Attachment_E_FINAL.pdf

Attachment E: Environmental Law Compliance

Attachment E Contents:

• Consumer Confidence Reports (CCRs) o 2021 CCR o 2022 CCR o 2023 CCR o 2024 CCR o 2025 CCR

• Sanitary Survey Inspection Reports o 2021 Sanitary Survey Inspection Report o 2024 Sanitary Survey Inspection Report - Compliance Assistance Offer (CAO) o 2024 Sanitary Survey Inspection Report – Return to Compliance

• Updated Water Service Line Inventory

• Drinking Water PFAS testing results

• Wastewater System Drainfield – Current Status

Consumer Confidence Reports (CCRs) CCRs for 2021-2025 for the Cross Creek MHP drinking water system are attached. No constituents have been detected above drinking water MCLs. There was a monitoring violation noted in the 2021 CCR related to xylene monitoring. At that time GRU had been required to perform increased monitoring for xylene based on a xylene detection in 2015. In September 2015 there was a detection of xylene at 4.1 ppb which is below the MCL of 10 ppb. However, per 62-555 FAC, any VOC detection above 0.5 ppb requires resampling. Due to administrative oversight, GRU missed the required sampling event in the third quarter of 2021. GRU subsequently issued a public notice and collected xylene in the fourth quarter of 2021 which was non-detect. There have been no detections of xylenes in the last 5 years.

Previous detections were below the 10 ppb MCL. It is believed that prior detections may have been due to sample contamination during collection.

Sanitary Survey Inspection Reports Sanitary Survey Inspection Reports issued by FDEP for the water system for 2021 and 2024 are attached.

The 2021 report indicated that the facility was fully compliant. The FDEP issued a compliance assistance offer (CAO) with the 2024 sanitary survey inspection which sited minor issues. Based on additional information provided by GRU, the FDEP issued a second letter determining that the system had returned to compliance. The return to compliance letter was issued four days after the CAO was issued (both letters are attached).

Lead and Copper Service Line Inventory GRU submitted its updated Service Line Inventory in November 2025 (cover letter attached). GRU inspected each utility-side and customer-side water service line. All lines were determined to be plastic.

Drinking Water PFAS Testing results See attached analytical report. All PFAS compounds non-detect.

Wastewater System Drainfield Current Status The wastewater system is permitted as a septic system by the Alachua County Health Department.

There have been no permit violations. However, as described previously, the drainfield is no longer functional. GRU is currently hauling wastewater from the Cross Creek system via tanker truck to GRU’s wastewater collection system.

2021 Annual Drinking Water Quality Report

Cross Creek Mobile Home Park

Gainesville Regional Utilities (GRU) is pleased to present this year's Annual Water Quality Report. Our goal is to provide you with a safe and dependable supply of drinking water. We monitor the water supply for various contaminants. The source of your water supply is the Floridan Aquifer, a vast underground source of clean, well-protected water that is drawn by wells.

Because of the excellent quality of our water, the only treatment required is chlorination for disinfection process. GRU routinely monitors for contaminants in your drinking water according to Federal and State laws, rules, and regulations. Except where indicated otherwise, this report is based on the results of our monitoring for the period from January 1, 2021 to December

31, 2021. This water quality report shows our water quality results and what they mean. This report is submitted to customers as required by the US Environmental Protection Agency and the Florida Department of Environmental Protection in accordance with the Safe Drinking Water Act.

The Department of Environmental Protection has performed a Source Water Assessment on our system and a search of the data sources indicated no potential sources of contamination near our wells. The assessment results are available on the FDEP

Source Water Assessment and Protection Program website at www.dep.state.fl.us/swapp.

The United States EPA requires that we inform drinking water customers of the following:

The sources of drinking water (both tap water and bottled water) include rivers, lakes, streams, ponds, reservoirs, springs, and wells. As water travels over the surface of the land or through the ground, it dissolves naturally occurring minerals and, in some cases, radioactive material, and can pick up substances resulting from the presence of animals or from human activity.

Contaminants that may be present in source water include:

Microbial contaminants, such as viruses and bacteria, which may come from sewage treatment plants, septic systems, agricultural livestock operations, and wildlife

Inorganic contaminants, such as salts and metals, which can be naturally-occurring or result from urban stormwater runoff, industrial or domestic wastewater discharges, oil and gas production, mining, or farming

Pesticides and herbicides, which may come from a variety of sources such as agriculture, urban stormwater runoff, and residential uses

Organic chemical contaminants, including synthetic and volatile organic chemicals, which are by-products of industrial processes and petroleum production, and can also come from gas stations, urban stormwater runoff, and septic systems

Radioactive contaminants, which can be naturally occurring or be the result of oil and gas production and mining activities

In order to ensure that tap water is safe to drink, the EPA prescribes regulations, which limit the amount of certain contaminants in water provided by public water systems. The Food and Drug Administration (FDA) regulations establish limits for contaminants in bottled water, which must provide the same protection for public health.

Drinking water, including bottled water, may reasonably be expected to contain at least small amounts of some contaminants.

The presence of contaminants does not necessarily indicate that the water poses a health risk. More information about contaminants and potential health effects can be obtained by calling the Environmental Protection Agency’s Safe Drinking

Water Hotline at 1-800-426-4791. Some people may be more vulnerable to contaminants in drinking water than the general population. Immuno-compromised persons such as persons with cancer undergoing chemotherapy, persons who have undergone organ transplants, people with HIV/AIDS or other immune system disorders, some elderly, and infants can be particularly at risk from infections. These people should seek advice about drinking water from their health care providers.

EPA/CDC guidelines on appropriate means to lessen the risk of infection by Cryptosporidium and other microbiological contaminants are available from the Safe Drinking Water Hotline (1-800-426-4791).

Household plumbing can cause lead to leach into drinking water. If your house was built before 1987, you should identify and remove or replace any potential sources of lead. Infants and young children are typically more vulnerable to lead in http://www.dep.state.fl.us/swapp drinking water than the general population. It is possible that lead levels at your home may be higher than at other homes in the community as a result of materials used in your home’s plumbing. If you are concerned about elevated lead levels in your home’s water, you may wish to have your water tested and flush your tap for 30 seconds to two minutes before using tap water.

Additional information is available from the Safe Drinking Water Hotline (1-800-426-4791).

As authorized and approved by EPA, the State has reduced monitoring requirements for certain contaminants to less than once per year because the concentrations of these contaminants are not expected to vary significantly from year to year. Lead and copper tap water sampling is an example of this and is done once every three years.

GRU is owned by the citizens of Gainesville, and is therefore regulated by the Gainesville City Commission, which meets at

City Hall 200 E. University Ave., Gainesville, Florida, on the first and third Thursday of each month. If you have any questions about this report or concerning your water utility, please contact Jody Gilbert, Murphree Water Treatment Plant Manager at

(352) 393-6512 or Jennifer McElroy, P.E., Supervising Utility Engineer at (352) 393-1291.

Listed below are 7 parameters detected in your water during the reporting period. Not listed are many other parameters that we test for, but that were not detected. A list of measured parameters is listed in Appendix A.

WATER QUALITY TEST RESULTS

Inorganic Contaminants

Contaminant and

Unit of Measurement

Dates of sampling

(mo./yr.)

MCL

Violation

Y/N

Level

Detected

Range of

Results MCLG MCL Likely Source of Contamination

Fluoride (ppm) 11/21 N 0.28 N/A 4 4.0

Erosion of natural deposits; discharge from fertilizer and aluminum factories.

Water additive which promotes strong teeth when at optimum levels at 0.7 ppm

Sodium (ppm) 11/21 N 11.8 N/A N/A 160 Salt water intrusion, leaching from soil

Special Note: Due to administrative oversight during a busy part of the year, we did not collect the Annual Xylenes sample in the third quarter, and as a result, a monitoring violation was generated. As soon as the missed sampling event was noted, a sample was collected immediately during the fourth quarter. The sample analysis was completed, and there was no detection of the specific contaminants in your water. We do not believe that the missed testing and reporting has any adverse effect upon public health. Additional information was provided in notice delivered in November 2021.

Stage 1 Disinfectants and Stage II Disinfection By-Products

Disinfectant or

Contaminant and Unit of Measurement

Dates of sampling

(mo./yr.)

MCL or

MRDL

Violation Y/N

Level Detected

Range of

Results MCLG or

MRDLG

MCL or

MRDL

Likely Source of

Contamination

Chlorine (ppm) 1/21-12/21 N 1.34

0.98 –

1.87

MRDLG = 4 MRDL = 4.0

Water additive used to control microbes

HAA5 [Haloacetic

Acids] (five) (ppb)

7/21 N 17.8 NA NA MCL = 60

By-product of drinking water disinfection

TTHM [Total trihalomethanes] (ppb)

7/21 N 39.6 NA NA MCL = 80

By-product of drinking water disinfection

Lead and Copper (Tap Water)

Contaminant and

Unit of Measurement

Dates of sampling

(mo./yr.)

AL

Violation

Y/N

90th

Percentile

Result

No. of sampling sites exceeding the AL

MCLG

AL

(Action

Level)

Likely Source of Contamination

Copper (tap water)

(ppm) 8/20 N 0.08 0 1.3 1.3

Corrosion of household plumbing systems;

erosion of natural deposits; leaching from wood preservatives Lead (tap water)

(ppb) 8/20 N 6 0 0 15 Corrosion of household plumbing systems, erosion of natural deposits

In the previous table, you will find terms and abbreviations you might not be familiar with. To help you better understand these terms we've provided the following definitions:

Action Level (AL): The concentration of a contaminant that, if exceeded, triggers treatment or other requirements that a water system must follow.

Maximum Contaminant Level Goal or MCLG: The level of a contaminant in drinking water below which there is no known or expected risk to health. MCLGs allow for a margin of safety.

Maximum Contaminant Level or MCL: The highest level of a contaminant that is allowed in drinking water. MCLs are set as close to the MCLGs as feasible using the best available treatment technology.

Maximum Residual Disinfectant Level or MRDL: The highest level of a disinfectant allowed in drinking water. There is convincing evidence that addition of a disinfectant is necessary for control of microbial contaminants.

Maximum Residual Disinfectant Level goal or MRDLG: The level of a drinking water disinfectant below which there is no known of expected risk to health. MRDLGs do not reflect the benefits of the use of disinfectants to control microbial contaminants.

Not Applicable (N/A): Data is “not applicable” in table such as there is no range of values or there is no level set

Parts per billion (ppb) or Micrograms per liter (µg/l): One part by weight of analyte to 1 billion parts by weight of the water sample.

Parts per million (ppm) or Milligrams per liter (mg/l): One part by weight of analyte to 1 million parts by weight of the water sample.

Appendix A None of the following potential contaminants were detected in your water supply: Antimony, Arsenic, Asbestos, Barium, Beryllium, Cadmium, Chromium, Cyanide, Lead (leaving the water source), Mercury, Nickel, Nitrate, Nitrite, Selenium, Thallium, Gross Alpha including Radon and Uranium, Radium-228, Color, Foaming Agents, Odor Threshold, Silver, Sulfate, 2,4,5-TP (Silvex), 2,4-D, Alachlor (Lasso), Atrazine, Benzo(A)Pyrene, Carbofuran, Chlordane, Dalapon, Di (2-Ethylhexyl)

Adipate, Di (2-Ethylhexyl) Phthalate, Dibromochloropropane, Dinoseb, Dioxin, Diquat, Endothall, Endrin, Ethylene Dibromide, Glyphosate, Heptachlor, Heptachlor Epoxide, Hexachlorobenzene, Hexachlorocyclopentadiene, Lindane, Methoxyclor, Oxamyl

(Vydate), Pentachlorophenol, Picloram, Polychlorinated Biphenyl (PCB), Simazine, Toxaphene, 1,1,1-Trichloroethane, 1,1,2-

Trichloroethane, 1,1-Dichloroethene, 1,2,4-Trichlorobenzene, 1,2-Dichlorobenzene, 1,2-Dichloroethane, 1,2-Dichloropropane, Benzene, Carbon Tetrachloride, Chlorobenzene, cis-1,2-Dichloroethylene, Dichloromethane, Ethylbenzene, p-Dichlorobenzene, Styrene, Tetrachloroethylene, Toluene, Total Xylenes, trans-1,2-Dichloroethene, Trichloroethylene, Vinyl Chloride

2022 Annual Drinking Water Quality Report

Gainesville Regional Utilities (GRU) is pleased to present this year's Annual Water Quality Report. Our goal is to provide you with a safe and dependable supply of drinking water. We monitor the water supply for various contaminants. The source of your water supply is the Floridan Aquifer, a vast underground source of clean, well-protected water that is drawn by wells.

Because of the excellent quality of our water, the only treatment required is chlorination for disinfection process. GRU routinely monitors for contaminants in your drinking water according to Federal and State laws, rules, and regulations. Except where indicated otherwise, this report is based on the results of our monitoring for the period from January 1, 2022 to December 31, 2022. This water quality report shows our water quality results and what they mean. This report is submitted to customers as required by the US Environmental Protection Agency and the Florida Department of Environmental Protection in accordance with the Safe Drinking Water Act.

The Department of Environmental Protection has performed a Source Water Assessment on our system and a search of the data sources indicated no potential sources of contamination near our wells. The assessment results are available on the FDEP Source Water Assessment and Protection Program website at www.dep.state.fl.us/swapp.

The United States EPA requires that we inform drinking water customers of the following:

The sources of drinking water (both tap water and bottled water) include rivers, lakes, streams, ponds, reservoirs, springs, and wells. As water travels over the surface of the land or through the ground, it dissolves naturally occurring minerals and, in some cases, radioactive material, and can pick up substances resulting from the presence of animals or from human activity.

Contaminants that may be present in source water include:

Microbial contaminants, such as viruses and bacteria, which may come from sewage treatment plants, septic systems, agricultural livestock operations, and wildlife Inorganic contaminants, such as salts and metals, which can be naturally-occurring or result from urban stormwater runoff, industrial or domestic wastewater discharges, oil and gas production, mining, or farming Pesticides and herbicides, which may come from a variety of sources such as agriculture, urban stormwater runoff, and residential uses Organic chemical contaminants, including synthetic and volatile organic chemicals, which are by-products of industrial processes and petroleum production, and can also come from gas stations, urban stormwater runoff, and septic systems Radioactive contaminants, which can be naturally occurring or be the result of oil and gas production and mining activities

In order to ensure that tap water is safe to drink, the EPA prescribes regulations, which limit the amount of certain contaminants in water provided by public water systems. The Food and Drug Administration (FDA) regulations establish limits for contaminants in bottled water, which must provide the same protection for public health.

Drinking water, including bottled water, may reasonably be expected to contain at least small amounts of some contaminants.

The presence of contaminants does not necessarily indicate that the water poses a health risk. More information about contaminants and potential health effects can be obtained by calling the Environmental Protection Agency’s Safe Drinking Water Hotline at 1-800-426-4791. Some people may be more vulnerable to contaminants in drinking water than the general population. Immuno-compromised persons such as persons with cancer undergoing chemotherapy, persons who have undergone organ transplants, people with HIV/AIDS or other immune system disorders, some elderly, and infants can be particularly at risk from infections. These people should seek advice about drinking water from their health care providers.

EPA/CDC guidelines on appropriate means to lessen the risk of infection by Cryptosporidium and other microbiological contaminants are available from the Safe Drinking Water Hotline (1-800-426-4791).

Household plumbing can cause lead to leach into drinking water. If your house was built before 1987, you should identify and remove or replace any potential sources of lead. Infants and young children are typically more vulnerable to lead in drinking water than the general population. It is possible that lead levels at your home may be higher than at other homes in the community as a result of materials used in your home’s plumbing. If you are concerned about elevated lead levels in your home’s water, you may wish to have your water tested and flush your tap for 30 seconds to two minutes before using tap water. Additional information is available from the Safe Drinking Water Hotline (1-800-426-4791).

As authorized and approved by EPA, the State has reduced monitoring requirements for certain contaminants to less than once per year because the concentrations of these contaminants are not expected to vary significantly from year to year. Lead and copper tap water sampling is an example of this and is done once every three years.

GRU is owned by the citizens of Gainesville, and is therefore regulated by the Gainesville City Commission, which meets at City Hall 200 E. University Ave., Gainesville, Florida, on the first and third Thursday of each month. If you have any questions about this report or concerning your water utility, please contact Jody Gilbert, Murphree Water Treatment Plant Manager at (352) 393-6512 or Jennifer McElroy, P.E., Supervising Utility Engineer at (352) 393-1291.

Listed below are 7 parameters detected in your water during the reporting period. Not listed are many other parameters that

Contaminant and Unit of Measurement

Dates of sampling (mo./yr.)

MCL

Violation

Y/N

Level Detected

Range of Results

MCLG MCL Likely Source of Contamination

Fluoride (ppm) 04/22 N 0.29 N/A 4 4.0

Erosion of natural deposits; discharge from fertilizer and aluminum factories.

Water additive which promotes strong

Sodium (ppm) 04/22 N 10.5 N/A N/A 160 Salt water intrusion, leaching from soil

Contaminant and Unit of Measurement

Dates of sampling (mo./yr.)

MCL or

MRDL

Violation Y/N

Level Detected

Range of Results

MCLG or

MRDLG

MCL or

MRDL

Likely Source of Contamination

Chlorine (ppm) 1/22-12/22 N 1.46

1.20 – 1.73

MRDLG = 4 MRDL = 4.0

Water additive used to control microbes HAA5 [Haloacetic Acids] (five) (ppb)

7/21 N 17.8 NA NA MCL = 60

By-product of drinking water disinfection TTHM [Total trihalomethanes] (ppb)

7/21 N 39.6 NA NA MCL = 80

Unit of Measurement

Dates of sampling (mo./yr.)

AL

Violation

Y/N

90th Percentile

Result

No. of sampling sites exceeding the AL

MCLG

AL

(Action Level)

Likely Source of Contamination

Copper (tap water) (ppm)

8/20 N 0.08 0 1.3 1.3 Corrosion of household plumbing systems;

erosion of natural deposits; leaching from wood preservatives Lead (tap water) (ppb)

8/20 N 6 0 0 15 Corrosion of household plumbing systems, In the previous table, you will find terms and abbreviations you might not be familiar with. To help you better understand these terms we've provided the following definitions:

Action Level (AL): The concentration of a contaminant that, if exceeded, triggers treatment or other requirements that a water system must follow.

Maximum Contaminant Level Goal or MCLG: The level of a contaminant in drinking water below which there is no known or expected risk to health. MCLGs allow for a margin of safety.

Maximum Contaminant Level or MCL: The highest level of a contaminant that is allowed in drinking water.

MCLs are set as close to the MCLGs as feasible using the best available treatment technology.

Maximum Residual Disinfectant Level or MRDL: The highest level of a disinfectant allowed in drinking water.

There is convincing evidence that addition of a disinfectant is necessary for control of microbial contaminants.

Maximum Residual Disinfectant Level goal or MRDLG: The level of a drinking water disinfectant below which there is no known of expected risk to health. MRDLGs do not reflect the benefits of the use of disinfectants to control microbial contaminants.

Not Applicable (N/A): Data is “not applicable” in table such as there is no range of values or there is no level set

Parts per billion (ppb) or Micrograms per liter (µg/l): One part by weight of analyte to 1 billion parts by weight of the water sample.

Parts per million (ppm) or Milligrams per liter (mg/l): One part by weight of analyte to 1 million parts by weight of the water sample.

None of the following potential contaminants were detected in your water supply: Antimony, Arsenic, Asbestos, Barium, Beryllium, Cadmium, Chromium, Cyanide, Lead (leaving the water source), Mercury, Nickel, Nitrate, Nitrite, Selenium, Thallium, Gross Alpha including Radon and Uranium, Radium-228, Color, Foaming Agents, Odor Threshold, Silver, Sulfate, 2,4,5-TP (Silvex), 2,4-D, Alachlor (Lasso), Atrazine, Benzo(A)Pyrene, Carbofuran, Chlordane, Dalapon, Di (2-Ethylhexyl) Adipate, Di (2-Ethylhexyl) Phthalate, Dibromochloropropane, Dinoseb, Dioxin, Diquat, Endothall, Endrin, Ethylene Dibromide, Glyphosate, Heptachlor, Heptachlor Epoxide, Hexachlorobenzene, Hexachlorocyclopentadiene, Lindane, Methoxyclor, Oxamyl (Vydate), Pentachlorophenol, Picloram, Polychlorinated Biphenyl (PCB), Simazine, Toxaphene, 1,1,1-Trichloroethane, 1,1,2- Trichloroethane, 1,1-Dichloroethene, 1,2,4-Trichlorobenzene, 1,2-Dichlorobenzene, 1,2-Dichloroethane, 1,2-Dichloropropane, Benzene, Carbon Tetrachloride, Chlorobenzene, cis-1,2-Dichloroethylene, Dichloromethane, Ethylbenzene, p-Dichlorobenzene, Styrene, Tetrachloroethylene, Toluene, Total Xylenes, trans-1,2-Dichloroethene, Trichloroethylene, Vinyl Chloride

2023 Annual Drinking Water Quality Report

Gainesville Regional Utilities (GRU) is pleased to present this year's Annual Water Quality Report. Our goal is to provide you with a safe and dependable supply of drinking water. We monitor the water supply for various contaminants. The source of your water supply is the Floridan Aquifer, a vast underground source of clean, well-protected water that is drawn by wells.

Because of the excellent quality of our water, the only treatment required is chlorination for disinfection process. GRU routinely monitors for contaminants in your drinking water according to Federal and State laws, rules, and regulations. Except where indicated otherwise, this report is based on the results of our monitoring for the period from January 1, 2023 to December 31, 2023. This water quality report shows our water quality results and what they mean. This report is submitted to customers as required by the US Environmental Protection Agency and the Florida Department of Environmental Protection in accordance with the Safe Drinking Water Act.

The Department of Environmental Protection has performed a Source Water Assessment on our system and a search of the data sources indicated no potential sources of contamination near our wells. The assessment results are available on the FDEP Source Water Assessment and Protection Program website at https://prodapps.dep.state.fl.us/swapp/ .

The United States EPA requires that we inform drinking water customers of the following:

The sources of drinking water (both tap water and bottled water) include rivers, lakes, streams, ponds, reservoirs, springs, and wells. As water travels over the surface of the land or through the ground, it dissolves naturally occurring minerals and, in some cases, radioactive material, and can pick up substances resulting from the presence of animals or from human activity.

Contaminants that may be present in source water include:

Microbial contaminants, such as viruses and bacteria, which may come from sewage treatment plants, septic systems, agricultural livestock operations, and wildlife

Inorganic contaminants, such as salts and metals, which can be naturally-occurring or result from urban stormwater runoff, industrial or domestic wastewater discharges, oil and gas production, mining, or farming

Pesticides and herbicides, which may come from a variety of sources such as agriculture, urban stormwater runoff, and residential uses

Organic chemical contaminants, including synthetic and volatile organic chemicals, which are by-products of industrial processes and petroleum production, and can also come from gas stations, urban stormwater runoff, and septic systems

Radioactive contaminants, which can be naturally occurring or be the result of oil and gas production and mining activities

In order to ensure that tap water is safe to drink, the EPA prescribes regulations, which limit the amount of certain contaminants in water provided by public water systems. The Food and Drug Administration (FDA) regulations establish limits for contaminants in bottled water, which must provide the same protection for public health.

Drinking water, including bottled water, may reasonably be expected to contain at least small amounts of some contaminants.

The presence of contaminants does not necessarily indicate that the water poses a health risk. More information about contaminants and potential health effects can be obtained by calling the Environmental Protection Agency’s Safe Drinking Water Hotline at 1-800-426-4791. Some people may be more vulnerable to contaminants in drinking water than the general population. Immuno-compromised persons such as persons with cancer undergoing chemotherapy, persons who have undergone organ transplants, people with HIV/AIDS or other immune system disorders, some elderly, and infants can be particularly at risk from infections. These people should seek advice about drinking water from their health care providers.

EPA/CDC guidelines on appropriate means to lessen the risk of infection by Cryptosporidium and other microbiological contaminants are available from the Safe Drinking Water Hotline (1-800-426-4791).

Household plumbing can cause lead to leach into drinking water. If your house was built before 1987, you should identify and remove or replace any potential sources of lead. Infants and young children are typically more vulnerable to lead in drinking water than the general population. It is possible that lead levels at your home may be higher than at other homes in the community as a result of materials used in your home’s plumbing. If you are concerned about elevated lead levels in your home’s water, you may wish to have your water tested and flush your tap for 30 seconds to two minutes before using tap water. Additional information is available from the Safe Drinking Water Hotline (1-800-426-4791).

The U.S. Environmental Protection Agency (EPA) issued Lead and Copper Rule Revisions (LCRR), which requires all public water systems to create an inventory of the materials comprising all service lines in the water distribution system. This inventory includes both materials on the public side (GRU owned before the water meter) and the private side (customer owned after the water meter). GRU has begun preparing the an initial service line inventory which will be available by October 16, 2024. For more information, please visit www.gru.com/lead.

As authorized and approved by EPA, the State has reduced monitoring requirements for certain contaminants to less than once per year because the concentrations of these contaminants are not expected to vary significantly from year to year. Lead and copper tap water sampling is an example of this and is done once every three years.

GRU is owned by the citizens of Gainesville, and is therefore regulated by the Gainesville City Commission, which meets at City Hall 200 E. University Ave., Gainesville, Florida, on the first and third Thursday of each month. If you have any questions about this report or concerning your water utility, please contact Jody Gilbert, Murphree Water Treatment Plant Manager at (352) 393-6512 or Jennifer McElroy, P.E., Supervising Utility Engineer at (352) 393-1291.

Listed below are 7 parameters detected in your water during the reporting period. Not listed are many other parameters that

Contaminant and Unit of Measurement

Dates of sampling (mo./yr.)

MCL

Violation

Y/N

Level Detected

Range of Results

MCLG MCL Likely Source of Contamination

Fluoride (ppm) 04/22 N 0.29 N/A 4 4.0

Erosion of natural deposits; discharge from fertilizer and aluminum factories.

Water additive which promotes strong

Sodium (ppm) 04/22 N 10.5 N/A N/A 160 Salt water intrusion, leaching from soil

Contaminant and Unit of Measurement

Dates of sampling (mo./yr.)

MCL or

MRDL

Violation Y/N

Level Detected

Range of Results

MCLG or

MRDLG

MCL or

MRDL

Likely Source of Contamination

Chlorine (ppm) 1/23-12/23 N 1.41

0.93 – 1.58

MRDLG = 4 MRDL = 4.0

Water additive used to control microbes HAA5 [Haloacetic Acids] (five) (ppb)

7/21 N 17.8 NA NA MCL = 60

By-product of drinking water disinfection TTHM [Total trihalomethanes] (ppb)

7/21 N 39.6 NA NA MCL = 80

Unit of Measurement

Dates of sampling (mo./yr.)

AL

Violation

Y/N

90th Percentile

Result

No. of sampling sites exceeding the AL

MCLG

AL

(Action Level)

Likely Source of Contamination

Copper (tap water) (ppm)

8/23 N 0.057 0 1.3 1.3 Corrosion of household plumbing systems;

erosion of natural deposits; leaching from wood preservatives Lead (tap water) (ppb)

8/23 N 0.0058 0 0 15 Corrosion of household plumbing systems, In the previous table, you will find terms and abbreviations you might not be familiar with. To help you better understand these terms we've provided the following definitions:

Action Level (AL): The concentration of a contaminant that, if exceeded, triggers treatment or other requirements that a water system must follow.

Maximum Contaminant Level Goal or MCLG: The level of a contaminant in drinking water below which there is no known or expected risk to health. MCLGs allow for a margin of safety.

Maximum Contaminant Level or MCL: The highest level of a contaminant that is allowed in drinking water.

MCLs are set as close to the MCLGs as feasible using the best available treatment technology.

Maximum Residual Disinfectant Level or MRDL: The highest level of a disinfectant allowed in drinking water.

There is convincing evidence that addition of a disinfectant is necessary for control of microbial contaminants.

Maximum Residual Disinfectant Level goal or MRDLG: The level of a drinking water disinfectant below which there is no known of expected risk to health. MRDLGs do not reflect the benefits of the use of disinfectants to control microbial contaminants.

Not Applicable (N/A): Data is “not applicable” in table such as there is no range of values or there is no level set

Parts per billion (ppb) or Micrograms per liter (µg/l): One part by weight of analyte to 1 billion parts by weight of the water sample.

Parts per million (ppm) or Milligrams per liter (mg/l): One part by weight of analyte to 1 million parts by weight of the water sample.

None of the following potential contaminants were detected in your water supply: Antimony, Arsenic, Asbestos, Barium, Beryllium, Cadmium, Chromium, Cyanide, Mercury, Nickel, Nitrate, Nitrite, Selenium, Thallium, Gross Alpha including Radon and Uranium, Radium-228, Color, Foaming Agents, Odor Threshold, Silver, Sulfate, 2,4,5-TP (Silvex), 2,4-D, Alachlor (Lasso), Atrazine, Benzo(A)Pyrene, Carbofuran, Chlordane, Dalapon, Di (2-Ethylhexyl) Adipate, Di (2-Ethylhexyl) Phthalate, Dibromochloropropane, Dinoseb, Dioxin, Diquat, Endothall, Endrin, Ethylene Dibromide, Glyphosate, Heptachlor, Heptachlor Epoxide, Hexachlorobenzene, Hexachlorocyclopentadiene, Lindane, Methoxyclor, Oxamyl (Vydate), Pentachlorophenol, Picloram, Polychlorinated Biphenyl (PCB), Simazine, Toxaphene, 1,1,1-Trichloroethane, 1,1,2-Trichloroethane, 1,1- Dichloroethene, 1,2,4-Trichlorobenzene, 1,2-Dichlorobenzene, 1,2-Dichloroethane, 1,2-Dichloropropane, Benzene, Carbon Tetrachloride, Chlorobenzene, cis-1,2-Dichloroethylene, Dichloromethane, Ethylbenzene, p-Dichlorobenzene, Styrene, Tetrachloroethylene, Toluene, Total Xylenes, trans-1,2-Dichloroethene, Trichloroethylene, Vinyl Chloride

2024 Annual Drinking Water Quality Report

Gainesville Regional Utilities (GRU) is pleased to present this year's Drinking Water Quality Report. Our goal is to provide you with a safe and dependable supply of drinking water. We monitor the water supply for various contaminants. The source of your water supply is the Floridan Aquifer, a vast underground source of clean, well-protected water that is drawn by wells. Because of the excellent quality of our water, the only treatment required is chlorination for disinfection process. GRU routinely monitors for contaminants in your drinking water according to Federal and State laws, rules, and regulations. Except where indicated otherwise, this report is based on the results of our monitoring for the period from January 1, 2024 to December 31, 2024. This water quality report shows our water quality results and what they mean. This report is submitted to customers as required by the US Environmental Protection Agency and the Florida Department of Environmental Protection in accordance with the Safe Drinking Water Act.

The Florida Department of Environmental Protection performed Source Water Assessments on GRU’s system in 2024. The assessments were conducted to provide information about any potential sources of contamination within a 5-year ground water travel time around each well. The ground water system is considered to be at low risk. The assessment results are available on the FDEP Source Water Assessment and Protection Program (SWAPP) Web site at https://prodapps.dep.state.fl.us/swapp/.

Additional information is available at www.gru.com.

Service & Billing Questions: 352-334-3434 Water/Wastewater Repairs: 352-334-2711 Water Testing Requests: 352-393-6501

The United States EPA requires that we inform drinking water customers of the following:

Water Sources and Contaminants The sources of drinking water (both tap water and bottled water) include rivers, lakes, streams, ponds, reservoirs, springs, and wells. As water travels over the surface of the land or through the ground, it dissolves naturally occurring minerals and, in some cases, radioactive material, and can pick up substances resulting from the presence of animals or from human activity.

Contaminants that may be present in source water include:

(A) Microbial contaminants, such as viruses and bacteria, may come from sewage treatment plants, septic systems, agricultural livestock operations, and wildlife.

(B) Inorganic contaminants, such as salts and metals, which can be naturally occurring or result from urban stormwater runoff, industrial or domestic wastewater discharges, oil and gas production, mining, or farming.

(C) Pesticides and herbicides, which may come from a variety of sources such as agriculture, urban stormwater runoff, and residential uses.

(D) Organic chemical contaminants, including synthetic and volatile organic chemicals, which are by-products of industrial processes and petroleum production, and can also come from gas stations, urban stormwater runoff, and septic systems.

(E) Radioactive contaminants, which can be naturally occurring or be the result of oil and gas production and mining activities.

In order to ensure that tap water is safe to drink, the EPA prescribes regulations, which limit the amount of certain contaminants in water provided by public water systems. The Food and Drug Administration (FDA) regulations establish limits for contaminants in bottled water, which must provide the same protection for public health.

Drinking water, including bottled water, may reasonably be expected to contain at least small amounts of some contaminants. The presence of contaminants does not necessarily indicate that the water poses a health risk. More information about contaminants and potential health effects can be obtained by calling the Environmental Protection Agency’s Safe Drinking Water Hotline (1-800-426-4791).

Household plumbing can cause lead to leach into drinking water. If your house was built before 1987, you should identify and remove or replace any potential sources of lead. Infants and young children are typically more vulnerable to lead in drinking water than the general population. It is possible that lead levels at your home may be higher than at other homes in the community as a result of materials used in your home’s plumbing. If you are concerned about elevated lead levels in your home’s water, you may wish to have your water tested and flush your tap for 30 seconds to two minutes before using tap water. Additional information is available from the Safe Drinking Water Hotline (1-800-426-4791).

Effects of Lead Lead can cause serious health effects in people of all ages, especially pregnant people, infants (both formula-fed and breastfed), and young children. Lead in drinking water is primarily from materials and parts used in service lines and in home plumbing. GRU is responsible for providing high quality drinking water and removing lead pipes but cannot control the variety of materials used in the plumbing in your home. Because lead levels may vary over time, lead exposure is possible even when your tap sampling results do not detect lead at one point in time. You can help protect yourself and your family by identifying and removing lead materials within your home plumbing and taking steps to reduce your family's risk. Using a filter, certified by an American National Standards Institute accredited certifier to reduce lead, is effective in reducing lead exposures. Follow the instructions provided with the filter to ensure the filter is used properly. Use only cold water for drinking, cooking, and making baby formula.

Boiling water does not remove lead from water. Before using tap water for drinking, cooking, or making baby formula, flush your pipes for several minutes. You can do this by running your tap, taking a shower, doing laundry or a load of dishes. If you have a lead service line or galvanized requiring replacement service line, you may need to flush your pipes for a longer period. If you are concerned about lead in your water and wish to have your water tested, contact GRU at ServiceLineInventory@GRU.com Information on lead in drinking water, testing methods, and steps you can take to minimize exposure is available at https://www.epa.gov/safewater/lead.

Lead Sample Results Availability Information We are required to periodically sample water from customer taps to determine lead and copper levels.

EPA sets the lead action level at 15 ppb. For a water system to be in compliance, at least 90% of tap water samples must have lead levels below this limit. This report contains the 90th percentile and range of our most recent sampling. The individual results for each location sampled are available for review by emailing a request to ServiceLineInventory@GRU.com or by phone at (352) 393-1270.

Service Line Inventory To address lead in drinking water, EPA requires that all community water systems develop and maintain an inventory of service line materials. We have completed a service line inventory, and it is available for review online at https://www.gru.com/My-Home/Lead-and-Copper.

Vulnerable Populations Some people may be more vulnerable to contaminants in drinking water than the general population.

Immuno-compromised persons such as persons with cancer undergoing chemotherapy, persons who have undergone organ transplants, people with HIV/AIDS or other immune system disorders, some elderly, and infants can be particularly at risk from infections. These people should seek advice about drinking water from their health care providers. EPA/CDC guidelines on appropriate means to lessen the risk of infection by Cryptosporidium and other microbiological contaminants are available from the Safe Drinking Water Hotline (1-800-426-4791).

As authorized and approved by EPA, the State has reduced monitoring requirements for certain contaminants to less than once per year because the concentrations of these contaminants are not expected to vary significantly from year to year. Lead and copper tap water sampling is an example of this and is done once every three years.

GRU is owned by the citizens of Gainesville, and is regulated by the GRU Authority, which meets GRU Administration Building Multipurpose Room, 301 SE 4th Avenue, Gainesville, Florida. Information, including dates and times, for upcoming GRU Authority Meetings can be found on line at https://www.gru.com/About-GRU/The-GRU-Authority, If you have any questions about this report or concerning your water utility, please contact Jody Gilbert, Murphree Water Treatment Plant Manager at

(352) 393-6512 or Jennifer McElroy, P.E., Supervising Utility Engineer at (352) 393-1291.

Listed below are 7 parameters detected in your water during the reporting period. Not listed are many other parameters that we test for, but that were not detected. A list of measured parameters is listed in Appendix A.

GRU is required to monitor your drinking water for specific contaminants on a regular basis. Results of regular monitoring are an indicator of whether or not your drinking water meets health standards.

Unfortunately, we missed a sample collection to analyze for inorganic contaminants, synthetic organic contaminants, volatile organic contaminants, and secondary contaminants for the year 2024 and therefore cannot be sure of the quality of your drinking water at that time. As soon as this missed sampling event was noted a sample was collected on February 3, 2025. The sample analysis has been completed and results reported no contaminants in your water that exceed primary or secondary drinking water standards.

Contaminant and Unit of Measurement

Dates of sampling (mo./yr.)

MCL

Violation

Y/N

Level Detected

Range of

Results

MCLG MCL

Likely Source of Contamination

Barium (ppm) 02/2025 N 0.0044 N/A 2 2

Discharge of drilling wastes;

discharge from metal refineries; erosion of natural deposits

Fluoride (ppm) 02/2025 N 0.31 N/A 4 4

Erosion of natural deposits;

discharge from fertilizer and aluminum factories. Water additive which promotes strong teeth when at the optimum level of 0.7 ppm

Nitrate (as Nitrogen) (ppm)

02/2025 N 0.15 N/A 10 10

Runoff from fertilizer use;

leaching from septic tanks, sewage; erosion of natural deposits

Sodium (ppm) 02/2025 N 12.3 N/A N/A 160 Saltwater intrusion, leaching from soil

Stage 1 Disinfectants

Contaminant and Unit of Measurement

Dates of sampling (mo./yr.)

MCL or

MRDL

Violation Y/N

Level Detected

Range of

Results MCLG or

MRDLG

MCL or

MRDL

Likely Source of Contamination

Chlorine (ppm) 01/2024 – 12/2024

N 1.40 0.85- 2.19

4 4.0 Water additive used to control microbes

Stage 2 Disinfectant By-Products Contaminant and Unit of Measurement

Dates of sampling (mo/yr)

MCL

Violation?

(Y/N)

Level Detected

Range of Results

MCLG MCL

Likely Source of Contamination

Haloacetic Acids (HAA5) (ppb)

08/2024 N 15.8 N/A N/A 60 By-product of drinking water disinfection

Total Trihalomethanes (TTHM) (ppb)

08/2024 N 26.2 N/A N/A 80 By-product of drinking water disinfection and Unit of Measurement

Dates of sampling (mo./yr.)

AL

Violation

Y/N

90th Percentile

Result

No. of sampling sites exceeding the AL

MCLG

AL

(Action Level)

Likely Source of Contamination

Copper (tap water) (ppm)

8/23 N 0.057 0 1.3 1.3

Corrosion of household plumbing systems;

erosion of natural deposits; leaching from wood preservatives

Lead (tap water) (ppb)

8/23 N 5.8 0 0 15

Corrosion of household plumbing systems, erosion of natural deposits

In the previous table, you will find terms and abbreviations you might not be familiar with. To help you better understand these terms we've provided the following definitions:

Action Level (AL): The concentration of a contaminant that, if exceeded, triggers treatment or other requirements that a water system must follow.

Maximum Contaminant Level Goal or MCLG: The level of a contaminant in drinking water below which there is no known or expected risk to health. MCLGs allow for a margin of safety.

Maximum Contaminant Level or MCL: The highest level of a contaminant that is allowed in drinking water. MCLs are set as close to the MCLGs as feasible using the best available treatment technology.

Maximum Residual Disinfectant Level or MRDL: The highest level of a disinfectant allowed in drinking water. There is convincing evidence that addition of a disinfectant is necessary for control of microbial contaminants.

Maximum Residual Disinfectant Level goal or MRDLG: The level of a drinking water disinfectant below which there is no known of expected risk to health. MRDLGs do not reflect the benefits of the use of disinfectants to control microbial contaminants.

Not Applicable (N/A): Data is “not applicable” in table such as there is no range of values or there is no level set

Parts per billion (ppb) or Micrograms per liter (µg/l): One part by weight of analyte to 1 billion parts by weight of the water sample.

Parts per million (ppm) or Milligrams per liter (mg/l): One part by weight of analyte to 1 million parts by weight of the water sample.

None of the following potential contaminants were detected in your water supply: Nitrite an N, Arsenic, Cadmium, Chromium, Cyanide, Lead, Mercury, Nickel, Selenium, Antimony, Beryllium, Thallium, Asbestos, Aluminum, Silver, Sulfate, color, foaming agents, Gross Alpha including Uranium, Radium-226, Radium-228, 1,2,4-Trichlorobenzene, cis-1,2- Dichloroethylene, Dichloromethane, o-Dichlorobenzene, p-Dichlorobenzene, Vinyl Chloride, 1,1-Dichloroethene, trans-1,2-Dichloroethene, 1,2-Dichloroethane, 1,1,1-Trichloroethane, Carbon Tetrachloride, 1,2-Dichloropropane, Trichloroethylene, 1,1,2-Trichloroethane, Tetrachloroethylene, Monochlorobenzene Benzene, Toluene, Styrene, Endrin, Lindane, Methoxyclor, Toxaphene, Dalapon, Endothall, Glyphosate, Oxamyl (Vydate), Simazine, Di (2- Ethylhexyl) Adipate, Picloram, Dinoseb, Hexachlorocyclopentadiene, Carbofuran, Alachlor (Lasso), Atrazine, 2,3,7,8-TDCC (Dioxin), Heptachlor, Heptachlor Epoxide, 2,4-D, 2,4,5-TP (Silvex), Hexachlorobenzene, Benzo(A)Pyrene, Pentachlorophenol, Polychlorinated Biphenyl (PCB), Dibromochloropropane, Ethylene Dibromide, Chlordane

2025 Annual Drinking Water Quality Report

Gainesville Regional Utilities (GRU) is pleased to present this year's Drinking Water Quality Report. This report is designed to inform you about the quality water and services we deliver to you every day. Our constant goal is to provide you with a safe and dependable supply of drinking water. We want you to understand the efforts we make to continually improve the water treatment process and protect our water resources. We are committed to ensuring the quality of your water. The source of your water supply is the Floridan Aquifer, a vast underground source of clean, well-protected water that is drawn by wells.

Because of the excellent quality of our water, the only treatment required is chlorination for disinfection process.

GRU routinely monitors for contaminants in your drinking water according to federal and state laws, rules, and regulations. Except where indicated otherwise, this report is based on the results of our monitoring for the period of Jan. 1 to Dec. 31, 2025. Data obtained before Jan. 1, 2025, and presented in this report is from the most recent testing done in accordance with the laws, rules, and regulations.

In 2025, the Florida Department of Environmental Protection (DEP) performed a Source Water Assessment on our system and a search of the data sources indicated no potential sources of contamination near our wells. The assessment results are available on the DEP Source Water Assessment and Protection Program (SWAPP) website at https://prodapps.dep.state.fl.us/swapp/. The assessments were conducted to provide information about any potential sources of contamination within a 5-year ground water travel time around each well. The ground water system is considered to be at low risk.

Additional information is available at www.gru.com.

Service & Billing Questions: 352-334-3434 Water/Wastewater Repairs: 352-334-2711 Water Testing Requests: 352-393-6501

The United States EPA requires that we inform drinking water customers of the following:

Water Sources and Contaminants The sources of drinking water (both tap water and bottled water) include rivers, lakes, streams, ponds, reservoirs, springs, and wells. As water travels over the surface of the land or through the ground, it dissolves naturally occurring minerals and, in some cases, radioactive material, and can pick up substances resulting from the presence of animals or from human activity.

Contaminants that may be present in source…