Attch. 10 Monthly Chemical Dosage March 2024 to March 2025.pdf

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Operation & Maintenance of the South Bay Wastewater Treatment Plant
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FY26OMSBIWTP
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191BWC26R0001 0008.pdf PDF
191BWC26R0001 0007.pdf PDF
191BWC26R0001 0006.pdf PDF
191BWC26R0001 0005.pdf PDF
191BWC26R0001 0004.pdf PDF
Request For Information_ Final for Solicitation Posting (1).xlsx XLSX spreadsheet
FY26 SBIWTP OM PWS_Amended 16 Dec 2025 (2).pdf PDF
Attch. 23 IBWC SBIWTP - Capital Improvement Plan (2025 - 2029).pdf PDF
Attch. 28 SBIWTP PDB Expansion SOW Section 01.31.83.01.pdf PDF
Attch. 29 CUI_SBIWTP PDB Early Work Package 1C Replace in Kind.pdf PDF
Attch. 24 2025 IBWC Risk Assessment Final.pdf PDF
Site Visit SB Exp-ENG 11.7.2025_rev.pptx PPTX presentation
191BWC26R0001 0003.pdf PDF
FY26 SBIWTP OM PWS_Amended 16 Dec 2025.pdf PDF
Attch. 20 Wage Determinations CA202100001CA20240001 07.26.2024.pdf PDF
Attch. 27 SBIWTP OM Contract PWS 2020.pdf PDF
Attch. 21 IBWC Spill and Transboundary Plan 2021.pdf PDF
Attch. 26 Emergency Response Plan.pdf PDF
Attch. 22A 2019 Contractor OrgChart.pdf PDF
Attch. 25 Tijuana wastewater flow diagram Oct 2025.pdf PDF
Attch. 04A CDO-R9-2025-0139.pdf PDF
Attch. 14 SBIWTP SSP 042020.pdf PDF
Request For Information_ Final for Solicitation Posting.xlsx XLSX spreadsheet
Attch. 10 Updated September October 2025 Chemical Dosage.pdf PDF
Attch. 22 USIBWC SDFO Org Chart.pdf PDF
191BWC26R0001 002.pdf PDF
FY26 SBIWTP OM PWS_Final.pdf PDF
191BWC26R0001 0001.pdf PDF
191BWC26R0001 OM Services SBIWTP.pdf PDF
Attch. 18 NIST.FIPS.199.pdf PDF
Attch. 01 SOM SUBMITTAL REGISTER SBIWTP O&M 2026.xlsx XLSX spreadsheet
Attch. 14 SBIWTP SSP 042020.pdf PDF
Attch. 04 NPDES Permit Order R9-2023-0009.pdf PDF
Attch. 02 FY26 SBIWTP O&M QASP.doc DOC document
Attch. 11 Canyon Collector Daily Inspection template- MAR 2025.xlsx XLSX spreadsheet
Attch. 20 Wage Determinations CA20240001 07.26.2024.pdf PDF
Attch. 08 IBWC SBIWTP - Asset Maintenance Schedule.xlsx XLSX spreadsheet
Attch. 19 SOO_V2_06192018.pdf PDF
Attch. 13 SBIWTP O&M Manual.pdf PDF
Attch. 06 IBWC SBIWTP Asset Registry 2024.xlsx XLSX spreadsheet
Attch. 17 SBIWTP Map.pdf PDF
Attch. 07 Condition Assessment Report Jan 2024.pdf PDF
Attch. 15 NIST.SP.800-171r3.pdf PDF
Attch. 03 RPM- Table 2026.xlsx XLSX spreadsheet
Attch. 05 List-of-Permits.docx DOCX document
Attch. 09 SBIWTP Capital Project List as of April 2025.pdf PDF
Attch. 16 Plans Drawings.docx DOCX document
Attch. 12 2024 NPDES ANNUAL BIOSOLIDS.pdf PDF
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5. March 2024 Chemical Dose

Location, Chemical Dose Consumption

PST, Ferric Chloride 13.7 mg/l 4,721 gal

PST, Anionic Polymer 0.00 mg/l 0.0 gal

Belt Press, Cationic Polymer 7.8 lbs/ton 29,778 gal

Belt Press, Lime 0 lbs/ton 0 tons

Odor Control, Sodium Hypochlorite >575 mv 11,280 gal

Odor Control, Sodium Hydroxide >9.0 pH 896 gal

Odor Control, Sulfuric Acid <4.0 pH 27 gal

Reclaim Water Chlorine 0.0 mg/l 0 gal

6. March 2024 Solids Quantity

Disposal Material No. of Trucks Weight, Tons Average No. of Trucks per Day

Grit/Screening Hauling 6 144.3 0.19

Solids Hauling 128 3,134.5 4.13

7. February 2024 Solids Quality

Sludge Solids pH Raw Sludge, % Solids

Unstabilized Sludge, % Solids

Stabilized Sludge, % Solids

Monthly Minimum 6.6 0.7 15.7 15.6

Monthly Maximum 7.3 3.4 20.7 21.8

Monthly Average 7.0 1.8 18.6 18.6

8. March Non Potable Water Usage

NPW

Monthly

Average, gal.

NPW

Min, gal.

NPW

Max, gal.

NPW 6-month Moving

Average, gal.

1,808,000 1,297,000 2,161,000 1,941,653

5. April 2024 Chemical Dose

PST, Ferric Chloride 15.3 mg/l 5,872 gal

PST, Anionic Polymer 0.00 mg/l 0.0 gal

Belt Press, Cationic Polymer 32.78 lbs/ton 21,234 gal

Belt Press, Lime 0 lbs/ton 0 tons

Odor Control, Sodium Hypochlorite >575 mv 10,753 gal

Odor Control, Sodium Hydroxide >9.0 pH 1,131 gal

Odor Control, Sulfuric Acid <4.0 pH 50 gal

Reclaim Water Chlorine 0.0 mg/l 0 gal

6. April 2024 Solids Quantity

Disposal Material No. of Trucks Weight, Tons Average No. of Trucks per Day

Grit/Screening Hauling 37 1,472.2 1.23

Solids Hauling 115 2,799.5 3.83

7. March 2024 Solids Quality

Sludge Solids pH Raw Sludge, % Solids

Unstabilized Sludge, % Solids

Stabilized Sludge, % Solids

Monthly Minimum 6.3 0.6 16.0 16.4

Monthly Maximum 7.4 4.8 21.9 21.8

Monthly Average 6.9 3.0 19.2 19.1

8. April Non Potable Water Usage

NPW

Monthly

Average, gal.

NPW

Min, gal.

NPW

Max, gal.

NPW 6-month Moving

1,957,867 1,404,000 2,828,000 1,873,839

5. May 2024 Chemical Dose

PST, Ferric Chloride 5.8 mg/l 8,290 gal

PST, Anionic Polymer 0.00 mg/l 0.0 gal

Belt Press, Cationic Polymer 14.50 lbs/ton 30,988 gal

Belt Press, Lime 0 lbs/ton 0 tons

Odor Control, Sodium Hypochlorite >575 mv 15,415 gal

Odor Control, Sodium Hydroxide >9.0 pH 1,205 gal

Odor Control, Sulfuric Acid <4.0 pH 61 gal

Reclaim Water Chlorine 0.0 mg/l 0 gal

6. May 2024 Solids Quantity

Disposal Material No. of Trucks Weight, Tons Average No. of Trucks per Day

Grit/Screening Hauling 36 1,343.3 1.16

Solids Hauling 156 3,858.9 5.03

7. April 2024 Solids Quality

Sludge Solids pH Raw Sludge, % Solids

Unstabilized Sludge, % Solids

Stabilized Sludge, % Solids

Monthly Minimum 6.1 3.0 16.3 16.3

Monthly Maximum 6.8 4.0 25.6 26.7

Monthly Average 6.5 3.7 22.4 22.6

5. June 2024 Chemical Dose

PST, Ferric Chloride 8.0 mg/l 8,290 gal

PST, Anionic Polymer 0.00 mg/l 0.0 gal

Belt Press, Cationic Polymer 19.12 lbs/ton 27,046 gal

Belt Press, Lime 0 lbs/ton 0 tons

Odor Control, Sodium Hypochlorite >575 mv 11,205 gal

Odor Control, Sodium Hydroxide >9.0 pH 999 gal

Odor Control, Sulfuric Acid <4.0 pH 69 gal

Reclaim Water Chlorine 0.0 mg/l 0 gal

6. June 2024 Solids Quantity

Disposal Material No. of Trucks Weight, Tons Average No. of Trucks per Day

Grit/Screening Hauling 26 820.5 0.87

Solids Hauling 145 3,667.5 4.83

7. May 2024 Solids Quality

Sludge Solids pH Raw Sludge, % Solids

Unstabilized Sludge, % Solids

Stabilized Sludge, % Solids

Monthly Minimum 6.3 2.9 16.7 18.2

Monthly Maximum 6.9 3.5 24.9 25.0

Monthly Average 6.6 3.2 21.4 21.7

8. June 2024 Non Potable Water Usage

NPW

Monthly

Average, gal.

NPW

Min, gal.

NPW

Max, gal.

NPW 6-month Moving

2,328,300 1,683,000 2,904,000 1,830,196

5. July 2024 Chemical Dose

PST, Ferric Chloride 6.8 mg/l 15,775 gal

PST, Anionic Polymer 0.00 mg/l 0.0 gal

Belt Press, Cationic Polymer 17.80 lbs/ton 21,911 gal

Belt Press, Lime 0 lbs/ton 0 tons

Odor Control, Sodium Hypochlorite >575 mv 10,810 gal

Odor Control, Sodium Hydroxide >9.0 pH 1,293 gal

Odor Control, Sulfuric Acid <4.0 pH 46 gal

6. July 2024 Solids Quantity

Trucks per Day

Grit/Screening Hauling 57 1,471.5 1.84

Solids Hauling 110 2,671.9 3.55

7. June 2024 Solids Quality

Sludge Solids pH Raw Sludge, % Solids

Unstabilized Sludge, % Solids

Stabilized Sludge, % Solids

Monthly Minimum 6.7 2.9 15.4 15.2

Monthly Maximum 7.0 4.0 24.9 25.1

Monthly Average 6.9 3.6 18.9 18.7

8. July Non Potable Water Usage

NPW

Monthly

Average, gal.

NPW

Min, gal.

NPW

Max, gal.

NPW 6-month Moving

2,594,387 1,853,000 3,270,000 1,915,588

5. August 2024 Chemical Dose

PST, Ferric Chloride 14.1 mg/l 11,284 gal

PST, Anionic Polymer 0.00 mg/l 0.0 gal

Belt Press, Cationic Polymer 11.44 lbs/ton 36,927 gal

Belt Press, Lime 0 lbs/ton 0 tons

Odor Control, Sodium Hypochlorite >575 mv 9,813 gal

Odor Control, Sodium Hydroxide >9.0 pH 676 gal

6. August 2024 Solids Quantity

Trucks per Day

Grit/Screening Hauling 25 789.5 0.81

Solids Hauling 161 3,900.4 5.19

7. July 2024 Solids Quality

Sludge Solids pH Raw Sludge, % Solids

Unstabilized Sludge, % Solids

Stabilized Sludge, % Solids

Monthly Minimum 6.7 1.8 14.3 15.1

Monthly Maximum 6.9 4.3 23.8 23.9

Monthly Average 6.8 2.9 19.2 19.9

8. August Non Potable Water Usage

NPW

Monthly

Average, gal.

NPW

Min, gal.

NPW

Max, gal.

NPW 6-month Moving

2,439,903 1,739,000 2,900,000 2,032,220

5. September 2024 Chemical Dose

PST, Ferric Chloride 17.5 mg/l 12,781 gal

PST, Anionic Polymer 0.00 mg/l 0.0 gal

Belt Press, Cationic Polymer 14.26 lbs/ton 39,676 gal

Belt Press, Lime 0 lbs/ton 0 tons

Odor Control, Sodium Hypochlorite >575 mv 6,429 gal

Odor Control, Sodium Hydroxide >9.0 pH 2,718 gal

Odor Control, Sulfuric Acid <4.0 pH 38 gal

6. September 2024 Solids Quantity

Trucks per Day

Grit/Screening Hauling 33 1,304.7 1.10

Solids Hauling 176 4,371.9 5.87

7. August 2024 Solids Quality

Sludge Solids pH Raw Sludge, % Solids

Unstabilized Sludge, % Solids

Stabilized Sludge, % Solids

Monthly Minimum 6.8 1.7 19.0 18.6

Monthly Maximum 7.0 5.2 26.4 28.9

Monthly Average 6.9 2.9 22.9 23.0

8. September 2024 Non Potable Water Usage

NPW

Monthly

Average, gal.

NPW

Min, gal.

NPW

Max, gal.

NPW 6-month Moving

2,370,900 1,895,000 2,886,000 2,169,692

5. October 2024 Chemical Dose

PST, Ferric Chloride 8.4 mg/l 8,175 gal

PST, Anionic Polymer 0.00 mg/l 0.0 gal

Belt Press, Cationic Polymer 12.08 lbs/ton 33,077 gal

Belt Press, Lime 0 lbs/ton 0 tons

Odor Control, Sodium Hypochlorite >575 mv 17,371 gal

Odor Control, Sodium Hydroxide >9.0 pH 1,205 gal

6. October 2024 Solids Quantity

Trucks per Day

Grit/Screening Hauling 30 773.8 0.97

Solids Hauling 172 4,214.0 5.55

7. September 2024 Solids Quality

Sludge Solids pH Raw Sludge, % Solids

Unstabilized Sludge, % Solids

Stabilized Sludge, % Solids

Monthly Minimum 6.7 3.7 19.1 18.6

Monthly Maximum 7.0 4.1 24.9 23.4

Monthly Average 6.9 3.9 21.5 20.9

8. October 2024 Non Potable Water Usage

NPW

Monthly

Average, gal.

NPW

Min, gal.

NPW

Max, gal.

NPW 6-month Moving

2,416,226 1,953,000 3,109,000 2,265,270

5. November 2024 Chemical Dose

PST, Ferric Chloride 5.7 mg/l 15,429 gal

PST, Anionic Polymer 0.00 mg/l 0.0 gal

Belt Press, Cationic Polymer 13.97 lbs/ton 45,175 gal

Belt Press, Lime 0 lbs/ton 0 tons

Odor Control, Sodium Hypochlorite >575 mv 12,332 gal

Odor Control, Sodium Hydroxide >9.0 pH 1,072 gal

Odor Control, Sulfuric Acid <4.0 pH 206 gal

6. November 2024 Solids Quantity

Trucks per Day

Grit/Screening Hauling 5 65.3 0.17

Solids Hauling 225 5,510.4 7.5

7. October 2024 Solids Quality

Sludge Solids pH Raw Sludge, % Solids

Unstabilized Sludge, % Solids

Stabilized Sludge, % Solids

Monthly Minimum 6.8 2.9 18.3 17.5

Monthly Maximum 6.9 6.1 22.8 22.4

Monthly Average 6.9 4.2 20.2 20.1

8. November 2024 Non Potable Water Usage

NPW

Monthly

Average, gal.

NPW

Min, gal.

NPW

Max, gal.

NPW 6-month Moving

2,125,767 1,542,000 2,982,000 2,354,814

5. December 2024 Chemical Dose

PST, Ferric Chloride 8.9 mg/l 14,048 gal

PST, Anionic Polymer 0.00 mg/l 0.0 gal

Belt Press, Cationic Polymer 15.71 lbs/ton 38,094 gal

Belt Press, Lime 0 lbs/ton 0 tons

Odor Control, Sodium Hypochlorite >575 mv 11,919 gal

Odor Control, Sodium Hydroxide >9.0 pH 911 gal

Odor Control, Sulfuric Acid <4.0 pH 84 gal

6. December 2024 Solids Quantity

Trucks per Day

Grit/Screening Hauling 8 123.6 0.26

Solids Hauling 230 5,614.9 7.42

7. November 2024 Solids Quality

Sludge Solids pH Raw Sludge, % Solids

Unstabilized Sludge, % Solids

Stabilized Sludge, % Solids

Monthly Minimum 6.7 2.7 18.0 17.0

Monthly Maximum 6.9 4.4 21.6 24.1

Monthly Average 6.8 3.6 19.8 19.8

8. December Non Potable Water Usage

NPW

Monthly

Average, gal.

NPW

Min, gal.

NPW

Max, gal.

NPW 6-month Moving

2,065,645 1,419,000 3,124,000 2,398,667

5. February 2025 Chemical Dose

PST, Ferric Chloride 16.9 mg/l 9,787 gal

PST, Anionic Polymer 0.00 mg/l 0.0 gal

Belt Press, Cationic Polymer 11.14 lbs/ton 36,351 gal

Belt Press, Lime 235.63 lbs/ton 117.27 tons

Odor Control, Sodium Hypochlorite >575 mv 8.385 gal

Odor Control, Sodium Hydroxide >9.0 pH 632 gal

Odor Control, Sulfuric Acid <4.0 pH 76 gal

Reclaim Water Chlorine 0.0 mg/l 0 gal

6. February 2025 Solids Quantity

Disposal Material No. of Trucks Weight, Tons Average No. of Trucks per Day

Grit/Screening Hauling 9 136.8 0.32

Solids Hauling 189 4,618.8 6.75

7. January 2025 Solids Quality

Sludge Solids pH Raw Sludge, % Solids

Unstabilized Sludge, % Solids

Stabilized Sludge, % Solids

Monthly Minimum 6.7 1.4 20.3 19.6

Monthly Maximum 7.0 5.0 27.8 27.5

Monthly Average 6.8 3.0 22.9 22.6

8. February 2025 Non Potable Water Usage

NPW

Monthly

Average, gal.

NPW

Min, gal.

NPW

Max, gal.

NPW 6-month Moving

2,285,750 1,736,000 3,547,000 2,270,332

5. March 2025 Chemical Dose

PST, Ferric Chloride 20.8 mg/l 11,745 gal

PST, Anionic Polymer 0.00 mg/l 0.0 gal

Belt Press, Cationic Polymer 10.30 lbs/ton 37,392 gal

Belt Press, Lime 202.51 lbs/ton 102.91 tons

Odor Control, Sodium Hypochlorite >575 mv 8,084 gal

Odor Control, Sodium Hydroxide >9.0 pH 661 gal

Odor Control, Sulfuric Acid <4.0 pH 88 gal

Reclaim Water Chlorine 0.0 mg/l 0 gal

6. March 2025 Solids Quantity

Disposal Material No. of Trucks Weight, Tons Average No. of Trucks per Day

Grit/Screening Hauling 4 58.9 0.13

Solids Hauling 195 4,774.2 6.29

7. February 2025 Solids Quality

Sludge Solids pH Raw Sludge, % Solids

Unstabilized Sludge, % Solids

Stabilized Sludge, % Solids

Monthly Minimum 6.7 2.6 19.5 18.9

Monthly Maximum 7.0 5.3 31.3 31.2

Monthly Average 6.9 4.3 23.7 23.7

8. March 2025 Non Potable Water Usage

NPW

Monthly

Average, gal.

NPW

Min, gal.

NPW

Max, gal.

NPW 6-month Moving

1,940,839 680,000 2,800,000 2,215,291

Pages from March 2024 O&M Report
Pages from APRIL 2024 OM Report Final
Pages from 01 May 2024 OM Report 1
Pages from June 2024 O&M Report
Pages from 07 July 2024 O&M Report
Pages from August 2024 O&M Report
Pages from Corrected September 2024 O&M Report
Pages from October 2024 O&M Report Final
Pages from November 2024 O&M Report
Pages from December 2024 O&M Report
Pages from February 2025 O&M Report
Pages from March 2025 O&M Report

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