Moabi_WaterQualityReport.pdf

339 KB Posted

Attached to
RFP - Professional Engineering Services
Solicitation number
SPD126-SPDAD-6379
Issued by
San Bernardino County, California

About this file

Written by GovTribe AI ·

This is a Water Quality Report prepared by the Clinical Laboratory of San Bernardino, Inc. for the County of San Bernardino's Park Moabi project, with Project Manager Chris Bishop overseeing the work. The report documents analytical testing results for five water samples collected on March 3, 2025, from various sources at the park including Well #3, Well #4, Sampling Point #1, a Tank, and Sampling Point #2. The samples were analyzed for microbiology, general chemical, metals, and physical properties using EPA and standard methods. Testing was completed between March 4 and March 14, 2025, with results reported to the County on March 14, 2025. The laboratory, certified under ELAP Number 1088, conducted comprehensive testing including total coliform and E. coli bacteria analysis, plate counts, cyanide, fluoride, nitrate compounds, perchlorate, and metals including aluminum, arsenic, barium, cadmium, chromium, lead, mercury, nickel, selenium, and thallium.

Key findings from the analysis show that most analytes were either not detected or fell below the Maximum Contaminant Levels (MCL) for drinking water standards. Well #3 detected arsenic at 130 micrograms per liter and thallium at 30 micrograms per liter, while Well #4 showed higher arsenic levels at 150 micrograms per liter, cadmium at 19 micrograms per liter, nickel at 6.5 micrograms per liter, and thallium at 44 micrograms per liter. Fluoride levels ranged from 1.5 to 2.9 mg/L, nitrate as nitrogen from 1.6 to 3.0 mg/L, and nitrite as nitrogen was not detected in tested samples. All microbiology analyses for total coliform and E. coli showed presence/absence results with no detected contamination. Chlorine residual measurements from field analyses ranged from 1.02 to 1.42 mg/L, and apparent color and turbidity measurements were within acceptable ranges.

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Sub Project:

Project Manager:

County of San Bernardino - Park Moabi

222 W. Hospitality Lane., 2nd Floor

Chris BishopSan Bernardino CA, 92415

Project: County of San Bernardino - Park Moabi Work Order:

03/03/25 15:11

25C0066

Reported:

Received:

03/14/25

Clinical Laboratory of San Bernardino, Inc.

Celebrating 50 Years of Analytical Service 1967-2017

ResultAnalyte BatchPrepared AnalyzedMethod Units

Well #3 25C0066-01 (Water) 03/03/25 10:20 Tanner StevensSample Date: Sampler:

MCLRep. Limit Qualifier

Microbiology Analyses

03/04/25 2510054Total Coliform ASM 9223 P/A 03/03/25

03/04/25 2510054E. Coli ASM 9223 P/A 03/03/25

03/05/25 2510133Plate Count NDSM9215B CFU/ml 03/03/25 1 500

General Chemical Analyses

03/10/25 2510077Cyanide (CN) NDSM4500CNF ug/L 03/10/25 100 150

2.1 251004703/04/25 Fluoride (F) EPA 300.0 mg/L 03/04/25 0.10 2

2.9 251004703/04/25 Nitrate as N (NO3-N) EPA 300.0 mg/L 03/04/25 0.40 10

3.0 251004703/04/25 Nitrate + Nitrite (as N) EPA 300.0 mg/L 03/04/25 0.40 10

03/04/25 2510047Nitrite as N (NO2-N) NDEPA 300.0 mg/L 03/04/25 0.40 1

03/12/25 2511076Perchlorate (ClO4) NDEPA 314.0 ug/L 03/11/25 1.0 6

Metals

03/05/25 2510110Aluminum (Al) NDEPA 200.7 ug/L 03/05/25 50 200

03/14/25 2511094Antimony (Sb) NDEPA 200.8 ug/L 03/12/25 6.0 6

03/14/25 2511094Arsenic (As) NDEPA 200.8 ug/L 03/12/25 2.0 10

130 251011003/05/25 Barium (Ba) EPA 200.7 ug/L 03/05/25 100 1000

03/14/25 2511094Beryllium (Be) NDEPA 200.8 ug/L 03/12/25 1.0 4

03/14/25 2511094Cadmium (Cd) NDEPA 200.8 ug/L 03/12/25 1.0 5

10 251109403/14/25 Chromium (Total Cr) EPA 200.8 ug/L 03/12/25 10 50

03/14/25 2511094Lead (Pb) NDEPA 200.8 ug/L 03/12/25 5.0

03/11/25 2511049Mercury (Hg) NDEPA 200.8 ug/L 03/11/25 1.0 2

03/14/25 2511094Nickel (Ni) NDEPA 200.8 ug/L 03/12/25 10 100

03/14/25 2511094Selenium (Se) NDEPA 200.8 ug/L 03/12/25 5.0 50

03/14/25 2511094Silver (Ag) NDEPA 200.8 ug/L 03/12/25 10 100

03/14/25 2511094Thallium (Tl) NDEPA 200.8 ug/L 03/12/25 1.0 2

30 251109403/14/25 Vanadium (V) EPA 200.8 ug/L 03/12/25 3.0

Isabel Navarro

Project Manager

Post Office Box 329 San Bernardino, CA 92402 (909) 825-7693 Fax (909) 825-7696 ELAP Number 1088

County of San Bernardino - Park Moabi

222 W. Hospitality Lane., 2nd Floor

Chris BishopSan Bernardino CA, 92415

Project: County of San Bernardino - Park Moabi Work Order:

03/03/25 15:11

25C0066

Reported:

Received:

03/14/25

Clinical Laboratory of San Bernardino, Inc.

Celebrating 50 Years of Analytical Service 1967-2017

ResultAnalyte BatchPrepared AnalyzedMethod Units

Well #4 25C0066-02 (Water) 03/03/25 10:50 Tanner StevensSample Date: Sampler:

MCLRep. Limit Qualifier

Microbiology Analyses

03/04/25 2510054Total Coliform ASM 9223 P/A 03/03/25

03/04/25 2510054E. Coli ASM 9223 P/A 03/03/25

03/05/25 2510133Plate Count NDSM9215B CFU/ml 03/03/25 1 500

General Chemical Analyses

03/10/25 2510077Cyanide (CN) NDSM4500CNF ug/L 03/10/25 100 150

1.1 251004703/04/25 Fluoride (F) EPA 300.0 mg/L 03/04/25 0.10 2

1.6 251004703/04/25 Nitrate as N (NO3-N) EPA 300.0 mg/L 03/04/25 0.40 10

1.6 251004703/04/25 Nitrate + Nitrite (as N) EPA 300.0 mg/L 03/04/25 0.40 10

03/04/25 2510047Nitrite as N (NO2-N) NDEPA 300.0 mg/L 03/04/25 0.40 1

03/12/25 2511076Perchlorate (ClO4) NDEPA 314.0 ug/L 03/11/25 1.5 6

Metals

03/05/25 2510110Aluminum (Al) NDEPA 200.7 ug/L 03/05/25 50 200

03/14/25 2511094Antimony (Sb) NDEPA 200.8 ug/L 03/12/25 6.0 6

03/14/25 2511094Arsenic (As) NDEPA 200.8 ug/L 03/12/25 2.0 10

150 251011003/05/25 Barium (Ba) EPA 200.7 ug/L 03/05/25 100 1000

03/14/25 2511094Beryllium (Be) NDEPA 200.8 ug/L 03/12/25 1.0 4

03/14/25 2511094Cadmium (Cd) NDEPA 200.8 ug/L 03/12/25 1.0 5

19 251109403/14/25 Chromium (Total Cr) EPA 200.8 ug/L 03/12/25 10 50

03/14/25 2511094Lead (Pb) NDEPA 200.8 ug/L 03/12/25 5.0

03/11/25 2511049Mercury (Hg) NDEPA 200.8 ug/L 03/11/25 1.0 2

03/14/25 2511094Nickel (Ni) NDEPA 200.8 ug/L 03/12/25 10 100

6.5 251109403/14/25 Selenium (Se) EPA 200.8 ug/L 03/12/25 5.0 50

03/14/25 2511094Silver (Ag) NDEPA 200.8 ug/L 03/12/25 10 100

03/14/25 2511094Thallium (Tl) NDEPA 200.8 ug/L 03/12/25 1.0 2

44 251109403/14/25 Vanadium (V) EPA 200.8 ug/L 03/12/25 3.0

Isabel Navarro

Project Manager

Post Office Box 329 San Bernardino, CA 92402 (909) 825-7693 Fax (909) 825-7696 ELAP Number 1088

County of San Bernardino - Park Moabi

222 W. Hospitality Lane., 2nd Floor

Chris BishopSan Bernardino CA, 92415

Project: County of San Bernardino - Park Moabi Work Order:

03/03/25 15:11

25C0066

Reported:

Received:

03/14/25

Clinical Laboratory of San Bernardino, Inc.

Celebrating 50 Years of Analytical Service 1967-2017

ResultAnalyte BatchPrepared AnalyzedMethod Units

S.P. #1 25C0066-03 (Water) 03/03/25 11:20 Tanner StevensSample Date: Sampler:

MCLRep. Limit Qualifier

Field Analyses

1.2 251005103/03/25 Cl Res (Field) Field mg/L 03/03/25

Microbiology Analyses

03/04/25 2510054Total Coliform ASM 9223 P/A 03/03/25

03/04/25 2510054E. Coli ASM 9223 P/A 03/03/25

General Physical Analyses

03/03/25 2510087Apparent Color NDSM 2120BM Color Units 03/03/25 3.0 15

1 251008703/03/25 Odor Threshold EPA 140.1-M TON 03/03/25 1 3

03/03/25 2510087Turbidity NDEPA 180.1 NTU 03/03/25 0.10 5

General Chemical Analyses

1.9 251022103/07/25 Fluoride (F) EPA 300.0 mg/L 03/07/25 0.10 2

Isabel Navarro

Project Manager

Post Office Box 329 San Bernardino, CA 92402 (909) 825-7693 Fax (909) 825-7696 ELAP Number 1088

County of San Bernardino - Park Moabi

222 W. Hospitality Lane., 2nd Floor

Chris BishopSan Bernardino CA, 92415

Project: County of San Bernardino - Park Moabi Work Order:

03/03/25 15:11

25C0066

Reported:

Received:

03/14/25

Clinical Laboratory of San Bernardino, Inc.

Celebrating 50 Years of Analytical Service 1967-2017

ResultAnalyte BatchPrepared AnalyzedMethod Units

Tank 25C0066-04 (Water) 03/03/25 9:45 Tanner StevensSample Date: Sampler:

MCLRep. Limit Qualifier

Field Analyses

1.02 251005103/03/25 Cl Res (Field) Field mg/L 03/03/25

Microbiology Analyses

03/04/25 2510054Total Coliform ASM 9223 P/A 03/03/25

03/04/25 2510054E. Coli ASM 9223 P/A 03/03/25

Isabel Navarro

Project Manager

Post Office Box 329 San Bernardino, CA 92402 (909) 825-7693 Fax (909) 825-7696 ELAP Number 1088

County of San Bernardino - Park Moabi

222 W. Hospitality Lane., 2nd Floor

Chris BishopSan Bernardino CA, 92415

Project: County of San Bernardino - Park Moabi Work Order:

03/03/25 15:11

25C0066

Reported:

Received:

03/14/25

Clinical Laboratory of San Bernardino, Inc.

Celebrating 50 Years of Analytical Service 1967-2017

ResultAnalyte BatchPrepared AnalyzedMethod Units

S.P. #2 25C0066-05 (Water) 03/03/25 10:35 Tanner StevensSample Date: Sampler:

MCLRep. Limit Qualifier

Field Analyses

1.42 251005103/03/25 Cl Res (Field) Field mg/L 03/03/25

General Chemical Analyses

1.5 251022103/07/25 Fluoride (F) EPA 300.0 mg/L 03/07/25 0.10 2

Isabel Navarro

Project Manager

Post Office Box 329 San Bernardino, CA 92402 (909) 825-7693 Fax (909) 825-7696 ELAP Number 1088

County of San Bernardino - Park Moabi

222 W. Hospitality Lane., 2nd Floor

Chris BishopSan Bernardino CA, 92415

Project: County of San Bernardino - Park Moabi Work Order:

03/03/25 15:11

25C0066

Reported:

Received:

03/14/25

Clinical Laboratory of San Bernardino, Inc.

Celebrating 50 Years of Analytical Service 1967-2017

Analyte NOT DETECTED at or above the reporting limitND

Post Office Box 329 San Bernardino, CA 92402 (909) 825-7693 Fax (909) 825-7696 ELAP Number 1088

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