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General Information
Party ID Party Name Party Classification Mailing Address Work Phone Email/Website
139625 Kathleen Fong 3737 Main Street 500 Riverside, CA 92501-3348 951-774-0114 kathleen.fong@waterboards.ca.gov
  
  
  
  
Expand/Contract Related Places
Related Places
Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date
Total Related Places: 0
  
  
  
  
Expand/Contract Related Parties
Related Parties
Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification
137767 Santa Ana Regional Water Quality Control Board Organization Employee 06/17/2005 None Waterboard
Total Related Parties: 1
  
  
  
  
Expand/Contract Regulatory Measures
Regulatory Measures (non-enforcement)
Reg. Measure ID Regulatory Measure Type Region WDID Status Program Order No. RM Effective Date RM Termination Date Relationship Relationship Start Date Relationship End Date Amended?
Total Regulatory Measures: 0
  
  
  
  
Expand/Contract Violations
Violations within the past five years
Violation ID Occurrence Date Violation Type Violation Description(-) Violation Status Priority Source Facility Name Violated Reg. Meas. ID Violated Reg. Meas. Order No. Linked to Enf.
1142245 04/11/2025 Sanitary Sewer Overflow/Spill/ Type: Category 1 Spill; Pipe Structural Problem/Failure - Controls caused 160 gallons of sewage to spill from Force Main at 23016 Pheasant Dr to Drainage Conveyance System Violation None SSO EVMWD Regional Plant CS 300417 2022-0103-DWQ N
1133490 06/11/2023 Sanitary Sewer Overflow/Spill/ Type: Category 1 Spill; Other (specify below) caused 100 gallons of sewage to spill from Force Main at Gray Fox dr to Drainage Conveyance System, Drainage Conveyance System that discharges to surface water, Street/Curb and Gutter (2 3) Violation None SSO EVMWD Regional Plant CS 300417 2022-0103-DWQ N
1141248 03/05/2025 Sanitary Sewer Overflow/Spill/ Type: Category 1 Spill; Debris-General,Other (specify below),Debris from Lateral,Root Intrusion caused 425 gallons of sewage to spill from Manhole at 22216 San Joaquin Dr W Canyon lake to Surface Water Violation None SSO EVMWD Regional Plant CS 300417 2022-0103-DWQ N
1139352 01/24/2025 Sanitary Sewer Overflow/Spill/ Type: Category 1 Spill; Debris-General caused 6600 gallons of sewage to spill from Manhole at Lincoln Ave & Fallbrook Dr to Surface Water,Street/Curb and Gutter (2 3),Paved Surface,Unpaved Surface Violation None SSO Corona City CS 300926 2022-0103-DWQ N
1134752 10/16/2024 Sanitary Sewer Overflow/Spill/ Type: Category 1 Spill; Fats, Oil and Grease (FOG) caused 360 gallons of sewage to spill from Gravity Mainline at Village Pkwy to Drainage Conveyance System,Street/Curb and Gutter (2 3) Violation None SSO EVMWD Regional Plant CS 300417 2022-0103-DWQ N
1140018 02/12/2025 Sanitary Sewer Overflow/Spill/ Type: Category 1 Spill; Debris from Construction caused 900 gallons of sewage to spill from Manhole at Sanderson and Florida, Goodwill Shopping Center to Drainage Conveyance System,Street/Curb and Gutter (2 3) Violation None SSO Hemet City CS 318454 2022-0103-DWQ N
1133493 03/20/2024 Sanitary Sewer Overflow/Spill/ Type: Category 1 Spill; Debris from Construction, Debris-General caused 750 gallons of sewage to spill from Lateral Clean Out (Private), Manhole at Winward Dr. to Drainage Conveyance System that discharges to surface water, Street/Curb and Gutter (2 3) Violation None SSO EVMWD Regional Plant CS 300417 2022-0103-DWQ N
1133492 12/18/2023 Sanitary Sewer Overflow/Spill/ Type: Category 1 Spill; Pipe Structural Problem/Failure - Installation, Pump Station Failure - Mechanical caused 9762 gallons of sewage to spill from Force Main, Pump Station at Village Way Lift Station to Surface Water Violation None SSO EVMWD Regional Plant CS 300417 2022-0103-DWQ N
1133792 08/21/2023 Sanitary Sewer Overflow/Spill/ Type: Category 1 Spill; Natural Disaster (specify below) caused 480 gallons of sewage to spill from Gravity Mainline at 12784 California St. Yucaipa CA 92399 to Drainage Conveyance System Violation None SSO Yucaipa Valley Water Dist CS 300476 2022-0103-DWQ N
1103488 03/29/2022 Order Conditions WRF No. 3 experienced low chlorine conditions. Violation N eSMR Corona WWRF #3 395382 R8-2014-0015 N
1144467 06/20/2025 Order Conditions The June 16, 2025, and June 20, 2025, notifications provided by Elsinore Valley Municipal Water District (Discharger) do not meet the requirements of its enrollment under Order WQ 2-14-0194-DWS, General Order No. CAG14001 (Order). Consistent with section V of Attachment E to the Order (https://www.waterboards.ca.gov/board_decisions/adopted_orders/water_quality/2014/wqo2014_0194_dwq.pdf) beginning on page E-6, notifications for large (greater than one acre-foot), planned discharges must be provided at least three days prior to the initiation of the planned discharge. Notification was sent day of discharge. Violation N Complaint Elsinore Valley Municipal Water District WS 412274 2014-0194-DWQ Y
1092613 06/18/2021 OEV Turbidity Other limit is 5 NTU and reported value was 5.15 NTU at M-001. Violation N eSMR Corona WWRF #1 422466 R8-2020-0021 Y
1092616 06/21/2021 OEV Turbidity 24-hour Average limit is 2 NTU and reported value was 3 NTU at M-001. Violation N eSMR Corona WWRF #1 422466 R8-2020-0021 Y
1092622 06/18/2021 OEV Turbidity 24-hour Average limit is 2 NTU and reported value was 4 NTU at M-001. Violation N eSMR Corona WWRF #1 422466 R8-2020-0021 Y
1092628 06/19/2021 OEV Turbidity 24-hour Average limit is 2 NTU and reported value was 4 NTU at M-001. Violation N eSMR Corona WWRF #1 422466 R8-2020-0021 Y
1098563 11/07/2021 OEV Turbidity Other limit is 5 NTU and reported value was 11 NTU at M-001. Violation N eSMR Corona WWRF #1 422466 R8-2020-0021 Y
1115108 02/07/2023 OEV Turbidity Daily Discharge limit is 5 NTU and reported value was 10 NTU at M-001. Violation N eSMR WRCRWA Regional WWRF 396787 R8-2015-0013 Y
1089446 03/23/2021 OEV Turbidity Other limit is 5 NTU and reported value was 8.7 NTU at M-001. Violation N eSMR Corona WWRF #1 422466 R8-2020-0021 Y
1092611 06/23/2021 OEV Turbidity 24-hour Average limit is 2 NTU and reported value was 3 NTU at M-001. Violation N eSMR Corona WWRF #1 422466 R8-2020-0021 Y
1092631 06/19/2021 OEV Turbidity Other limit is 5 NTU and reported value was 5.50 NTU at M-001. Violation N eSMR Corona WWRF #1 422466 R8-2020-0021 Y
1095946 09/13/2021 OEV Turbidity Daily Average (Mean) limit is 2 NTU and reported value was 3 NTU at M-001. Violation N eSMR Corona WWRF #1 422466 R8-2020-0021 Y
1101372 01/11/2022 OEV Turbidity Other limit is 5 NTU and reported value was 9.99 NTU at M-001. Violation N eSMR Corona WWRF #1 422466 R8-2020-0021 Y
1115109 02/07/2023 OEV Turbidity Instantaneous Maximum limit is 10 NTU and reported value was 10 NTU at M-001. Violation N eSMR WRCRWA Regional WWRF 396787 R8-2015-0013 Y
1092612 06/20/2021 OEV Turbidity 24-hour Average limit is 2 NTU and reported value was 4 NTU at M-001. Violation N eSMR Corona WWRF #1 422466 R8-2020-0021 Y
1098567 11/29/2021 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 6.1 MPN/100 mL at M-001. Violation N eSMR Corona WWRF #1 422466 R8-2020-0021 Y
1115112 02/06/2023 OEV Turbidity Daily Discharge limit is 5 NTU and reported value was 10 NTU at M-001. Violation N eSMR WRCRWA Regional WWRF 396787 R8-2015-0013 Y
1098564 11/07/2021 OEV Turbidity Other limit is 10 NTU and reported value was 11 NTU at M-001. Violation N eSMR Corona WWRF #1 422466 R8-2020-0021 Y
1101347 01/08/2022 OEV Turbidity Other limit is 5 NTU and reported value was 9.99 NTU at M-001. Violation N eSMR Corona WWRF #1 422466 R8-2020-0021 Y
1113946 01/27/2023 OEV Total Coliform Daily Maximum limit is 240 MPN/100 mL and reported value was 1600 MPN/100 mL at M-001. Violation N eSMR WRCRWA Regional WWRF 396787 R8-2015-0013 Y
1115110 02/07/2023 OEV Turbidity 24-hour Average limit is 2 NTU and reported value was 6 NTU at M-001. Violation N eSMR WRCRWA Regional WWRF 396787 R8-2015-0013 Y
1101256 01/19/2022 OEV Total Coliform Instantaneous Maximum limit is 240 MPN/100 mL and reported value was 350 MPN/100 mL at M-001. Violation N eSMR WRCRWA Regional WWRF 396787 R8-2015-0013 Y
1101341 01/10/2022 OEV Turbidity Other limit is 10 NTU and reported value was 11 NTU at M-001. Violation N eSMR Corona WWRF #1 422466 R8-2020-0021 Y
1101342 01/07/2022 OEV Turbidity Other limit is 10 NTU and reported value was 11 NTU at M-001. Violation N eSMR Corona WWRF #1 422466 R8-2020-0021 Y
1101360 01/08/2022 OEV Turbidity 24-hour Average limit is 2 NTU and reported value was 3.98 NTU at M-001. Violation N eSMR Corona WWRF #1 422466 R8-2020-0021 Y
1101368 01/09/2022 OEV Turbidity Other limit is 5 NTU and reported value was 9.99 NTU at M-001. Violation N eSMR Corona WWRF #1 422466 R8-2020-0021 Y
1101369 01/12/2022 OEV Turbidity Other limit is 5 NTU and reported value was 9.99 NTU at M-001. Violation N eSMR Corona WWRF #1 422466 R8-2020-0021 Y
1092604 06/17/2021 OEV Turbidity 24-hour Average limit is 2 NTU and reported value was 3 NTU at M-001. Violation N eSMR Corona WWRF #1 422466 R8-2020-0021 Y
1092615 06/24/2021 OEV Turbidity 24-hour Average limit is 2 NTU and reported value was 3 NTU at M-001. Violation N eSMR Corona WWRF #1 422466 R8-2020-0021 Y
1101346 01/11/2022 OEV Turbidity Other limit is 10 NTU and reported value was 11 NTU at M-001. Violation N eSMR Corona WWRF #1 422466 R8-2020-0021 Y
1101370 01/08/2022 OEV Turbidity Other limit is 10 NTU and reported value was 11 NTU at M-001. Violation N eSMR Corona WWRF #1 422466 R8-2020-0021 Y
1101374 01/09/2022 OEV Turbidity 24-hour Average limit is 2 NTU and reported value was 3.73 NTU at M-001. Violation N eSMR Corona WWRF #1 422466 R8-2020-0021 Y
1092609 06/22/2021 OEV Turbidity 24-hour Average limit is 2 NTU and reported value was 3 NTU at M-001. Violation N eSMR Corona WWRF #1 422466 R8-2020-0021 Y
1092627 06/20/2021 OEV Turbidity Other limit is 5 NTU and reported value was 7.16 NTU at M-001. Violation N eSMR Corona WWRF #1 422466 R8-2020-0021 Y
1093413 07/29/2021 OEV Turbidity 24-hour Average limit is 2 NTU and reported value was 3 NTU at M-001. Violation N eSMR Corona WWRF #1 422466 R8-2020-0021 Y
1101354 01/10/2022 OEV Turbidity 24-hour Average limit is 2 NTU and reported value was 3.35 NTU at M-001. Violation N eSMR Corona WWRF #1 422466 R8-2020-0021 Y
1101359 01/07/2022 OEV Turbidity Other limit is 5 NTU and reported value was 9.99 NTU at M-001. Violation N eSMR Corona WWRF #1 422466 R8-2020-0021 Y
1098556 11/16/2021 OEV Turbidity Other limit is 10 NTU and reported value was 11 NTU at M-001. Violation N eSMR Corona WWRF #1 422466 R8-2020-0021 Y
1101348 01/10/2022 OEV Turbidity Other limit is 5 NTU and reported value was 9.99 NTU at M-001. Violation N eSMR Corona WWRF #1 422466 R8-2020-0021 Y
1101349 01/11/2022 OEV Turbidity 24-hour Average limit is 2 NTU and reported value was 4.74 NTU at M-001. Violation N eSMR Corona WWRF #1 422466 R8-2020-0021 Y
1101377 01/09/2022 OEV Turbidity Other limit is 10 NTU and reported value was 11 NTU at M-001. Violation N eSMR Corona WWRF #1 422466 R8-2020-0021 Y
1115107 02/06/2023 OEV Turbidity Instantaneous Maximum limit is 10 NTU and reported value was 10 NTU at M-001. Violation N eSMR WRCRWA Regional WWRF 396787 R8-2015-0013 Y
1115111 02/06/2023 OEV Turbidity 24-hour Average limit is 2 NTU and reported value was 4 NTU at M-001. Violation N eSMR WRCRWA Regional WWRF 396787 R8-2015-0013 Y
1136911 04/09/2021 OEV Turbidity 24-hour Average limit is 2 NTU and reported value was 2.49 NTU at M-001A. Violation None Report Rialto WWRF 381374 R8-2014-0010 N
1125404 02/01/2024 OEV Total Coliform 7-Day Median limit is 2.0 MPN/100 mL and reported value was 4.0 MPN/100 mL at M-001. Violation N eSMR Rialto WWRF 381374 R8-2014-0010 N
1136912 08/21/2023 OEV Turbidity 24-hour Average limit is 2 NTU and reported value was 2.8 NTU at M-001A. Violation None Report Rialto WWRF 381374 R8-2014-0010 N
1125405 02/03/2024 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 4.0 MPN/100 mL at M-001. Violation N eSMR Rialto WWRF 381374 R8-2014-0010 N
1136910 04/08/2021 OEV Turbidity 24-hour Average limit is 2 NTU and reported value was 2.18 NTU at M-001A. Violation None Report Rialto WWRF 381374 R8-2014-0010 N
1125403 02/02/2024 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 4.0 MPN/100 mL at M-001. Violation N eSMR Rialto WWRF 381374 R8-2014-0010 N
1140503 01/22/2025 OEV CT (Cl residual * contact time) Instantaneous Minimum limit is 450.0 mg-min/L and reported value was 0.0 mg-min/L at M-001. Violation N eSMR Rialto WWRF 381374 R8-2014-0010 N
1125980 04/02/2024 Late Report Annual SMR ( SUMRPT ) report for 2023 (2672757) was due on 01-APR-24 Violation None Report Rialto WWRF 381374 R8-2014-0010 N
1130049 07/16/2024 Late Report Annual SMR ( SUMRPT ) (Stormwater) report for 2024 (2788259) was due on 15-JUL-24 Violation None Report WRCRWA Regional WWRF 396787 R8-2015-0013 N
1143307 05/01/2025 Late Report Quarterly SMR ( PRETRPT ) report for Q1 2025 (2935516) was due on 30-APR-25 Violation None Report EVMWD Regional WWRF 371955 R8-2013-0017 N
1131232 07/03/2024 Deficient Monitoring On July 12, 2024, the City was notified by the contract laboratory, Eurofins, that the CalScience sub-laboratory had been experiencing contamination issues with one of their BOD instruments and have had failing Unseeded Control Blank and Laboratory Control Samples. They have been working on mitigating the issue by ordering new parts to replace instrument tubing and to conduct decontamination cleanups. Samples impacted include WRF No. 3 weekly influent and effluent BOD samples collected on July 3rd. Impacted samples with results that did not align with historical values were reanalyzed past hold time for result confirmation. A corrective action report was requested for these samples and is included in this report. Violation N eSMR Corona WWRF #3 395382 R8-2014-0015 N
1108843 08/02/2022 Deficient Monitoring Ammonia Nitrogen was collected on 8/2/22 in an improperly preserved container. The City was not notified and the lab missed resampling for this. Lab confirmed volume from TSS from 8/31 to run ammonia nitrogen, but data would not be valid for compliance. Violation N eSMR Corona WWRF #3 395382 R8-2014-0015 N
1122969 11/25/2023 Deficient Monitoring On November 27, 2023, the City of Corona was notified by the laboratory, Eurofins Drinking Water Testing (Eurofins), that all November 25th samples collected by the Eurofins field technician were not preserved on ice and are not valid for compliance. This includes the WRF No. 3 effluent total coliform sample. Violation N eSMR Corona WWRF #3 395382 R8-2014-0015 N
1142254 03/24/2025 Deficient Monitoring On April 2nd, the City was notified by Eurofins lab that Calscience experienced BOD LCS failure from their batch due to algal growth and debris in the seed line and syringe pump. This failure affected the March 24th WRF No. 1 weekly influent BOD sample. Violation N eSMR Corona WWRF #1 422466 R8-2020-0021 N
1108842 08/13/2022 Deficient Monitoring 8/13/22 TSS sample lost by lab. No data available. Violation N eSMR Corona WWRF #1 422466 R8-2020-0021 Y
1147852 08/31/2025 CTOX Chronic Toxicity-C.dubia-Reproduction Other limit is 1 TUc and reported value was 1.35 TUc at M-001. Violation N eSMR Corona WWRF #1 422466 R8-2020-0021 N
1146412 07/31/2025 CTOX Chronic Toxicity-C.dubia-Reproduction Other limit is 1.0 TUc and reported value was 1.3 TUc at M-001. Violation N eSMR Corona WWRF #1 422466 R8-2020-0021 N
1145329 06/30/2025 CTOX Chronic Toxicity-C.dubia-Reproduction Other limit is 1.0 TUc and reported value was 1.2 TUc at M-001. Violation N eSMR Corona WWRF #1 422466 R8-2020-0021 N
1093420 07/06/2021 CAT2 4,4-DDE Daily Maximum limit is 0.0012 ug/L and reported value was 0.0053 ug/L at M-001. Violation N eSMR Corona WWRF #1 422466 R8-2020-0021 Y
1108839 08/02/2022 CAT2 Bis (2-Ethylhexyl) Phthalate Monthly Average limit is 5.9 ug/L and reported value was 61 ug/L at M-001. Violation N eSMR Corona WWRF #1 422466 R8-2020-0021 Y
1112164 05/16/2022 CAT2 Bis (2-Ethylhexyl) Phthalate Monthly Average limit is 5.9 ug/L and reported value was 15 ug/L at M-001. Violation N eSMR Corona WWRF #1 422466 R8-2020-0021 Y
1123446 12/08/2023 CAT2 Chlorine, Total Residual Instantaneous Maximum limit is 0.1 mg/L and reported value was 0.48 mg/L at M-001. Violation N eSMR WRCRWA Regional WWRF 396787 R8-2015-0013 Y
1089451 03/02/2021 CAT2 4,4-DDE Monthly Average limit is 0.00059 ug/L and reported value was 0.0036 ug/L at M-001. Violation N eSMR Corona WWRF #1 422466 R8-2020-0021 Y
1097176 10/05/2021 CAT2 4,4-DDE Daily Maximum limit is 0.0012 ug/L and reported value was 0.0031 ug/L at M-001. Violation N eSMR Corona WWRF #1 422466 R8-2020-0021 Y
1109714 09/06/2022 CAT2 Cyanide, Free Available Monthly Average limit is 4.3 ug/L and reported value was 18 ug/L at M-001. Violation N eSMR Corona WWRF #1 422466 R8-2020-0021 Y
1112163 05/16/2022 CAT2 Bis (2-Ethylhexyl) Phthalate Daily Maximum limit is 11.8 ug/L and reported value was 15 ug/L at M-001. Violation N eSMR Corona WWRF #1 422466 R8-2020-0021 Y
1112955 12/06/2022 CAT2 Dieldrin Monthly Average limit is 0.00014 ug/L and reported value was 0.0037 ug/L at M-001. Violation N eSMR Corona WWRF #1 422466 R8-2020-0021 Y
1112958 12/06/2022 CAT2 Heptachlor Daily Maximum limit is 0.00042 ug/L and reported value was 0.03 ug/L at M-001. Violation N eSMR Corona WWRF #1 422466 R8-2020-0021 Y
1088198 02/17/2021 CAT2 Dieldrin Maximum Daily (MDEL) limit is 0.00028 ug/L and reported value was 0.004 ug/L at M-001. Violation N eSMR Corona WWRF #1 422466 R8-2020-0021 Y
1112956 12/06/2022 CAT2 Dieldrin Daily Maximum limit is 0.00028 ug/L and reported value was 0.0037 ug/L at M-001. Violation N eSMR Corona WWRF #1 422466 R8-2020-0021 Y
1088196 02/17/2021 CAT2 Dieldrin Monthly Average limit is 0.00014 ug/L and reported value was 0.004 ug/L at M-001. Violation N eSMR Corona WWRF #1 422466 R8-2020-0021 Y
1116145 03/29/2023 CAT2 Chlorine, Total Residual Instantaneous Maximum limit is 0.1 mg/L and reported value was 1.1 mg/L at M-001. Violation N eSMR WRCRWA Regional WWRF 396787 R8-2015-0013 Y
1138194 11/05/2024 CAT2 Cyanide, Free Available Monthly Average limit is 4.3 ug/L and reported value was 7.10 ug/L at M-001. Violation N eSMR Corona WWRF #1 422466 R8-2020-0021 N
1128064 04/30/2024 CAT2 Cyanide, Free Available Monthly Average (Mean) limit is 4.3 ug/L and reported value was 5.5 ug/L at M-001. Violation N eSMR Corona WWRF #1 422466 R8-2020-0021 N
1139469 12/03/2024 CAT2 Dieldrin Daily Maximum limit is 0.00028 ug/L and reported value was 0.013 ug/L at M-001. Violation N eSMR Corona WWRF #1 422466 R8-2020-0021 N
1139468 12/03/2024 CAT2 Dieldrin Monthly Average limit is 0.00014 ug/L and reported value was 0.0065 ug/L at M-001. Violation N eSMR Corona WWRF #1 422466 R8-2020-0021 N
1088197 02/17/2021 CAT2 4,4-DDE Monthly Average limit is 0.00059 ug/L and reported value was 0.0054 ug/L at M-001. Violation N eSMR Corona WWRF #1 422466 R8-2020-0021 Y
1111629 11/08/2022 CAT2 4,4-DDT Daily Maximum limit is 0.0012 ug/L and reported value was 0.0021 ug/L at M-001. Violation N eSMR Corona WWRF #1 422466 R8-2020-0021 Y
1106611 06/29/2022 CAT2 Bis (2-Ethylhexyl) Phthalate Monthly Average limit is 5.9 ug/L and reported value was 9.1 ug/L at M-001. Violation N eSMR Corona WWRF #1 422466 R8-2020-0021 Y
1109716 09/06/2022 CAT2 Cyanide, Free Available Daily Maximum limit is 8.5 ug/L and reported value was 18 ug/L at M-001. Violation N eSMR Corona WWRF #1 422466 R8-2020-0021 Y
1088200 02/17/2021 CAT2 4,4-DDE Maximum Daily (MDEL) limit is 0.0012 ug/L and reported value was 0.0054 ug/L at M-001. Violation N eSMR Corona WWRF #1 422466 R8-2020-0021 Y
1111628 11/08/2022 CAT2 4,4-DDT Monthly Average (Mean) limit is 0.00059 ug/L and reported value was 0.0021 ug/L at M-001. Violation N eSMR Corona WWRF #1 422466 R8-2020-0021 Y
1097174 10/05/2021 CAT2 4,4-DDE Monthly Average limit is 0.00059 ug/L and reported value was 0.0031 ug/L at M-001. Violation N eSMR Corona WWRF #1 422466 R8-2020-0021 Y
1093419 07/06/2021 CAT2 4,4-DDE Monthly Average limit is 0.00059 ug/L and reported value was 0.0053 ug/L at M-001. Violation N eSMR Corona WWRF #1 422466 R8-2020-0021 Y
1089450 03/02/2021 CAT2 4,4-DDE Daily Maximum limit is 0.0012 ug/L and reported value was 0.0051 ug/L at M-001. Violation N eSMR Corona WWRF #1 422466 R8-2020-0021 Y
1123445 12/09/2023 CAT2 Chlorine, Total Residual Instantaneous Maximum limit is 0.1 mg/L and reported value was 0.48 mg/L at M-001. Violation N eSMR WRCRWA Regional WWRF 396787 R8-2015-0013 Y
1108836 08/02/2022 CAT2 Bis (2-Ethylhexyl) Phthalate Daily Maximum limit is 11.8 ug/L and reported value was 61 ug/L at M-001. Violation N eSMR Corona WWRF #1 422466 R8-2020-0021 Y
1112957 12/06/2022 CAT2 Heptachlor Monthly Average limit is 0.00021 ug/L and reported value was 0.03 ug/L at M-001. Violation N eSMR Corona WWRF #1 422466 R8-2020-0021 Y
1103409 03/31/2022 CAT1 Ammonia, Total (as N) 30-Day Average limit is 4.5 mg/L and reported value was 5.08 mg/L at M-002. Violation N eSMR EVMWD Regional WWRF 371955 R8-2013-0017 N
1136913 01/04/2021 CAT1 Total Suspended Solids (TSS) Weekly Average limit is 30 mg/L and reported value was 38 mg/L at M-001. Violation None Report Rialto WWRF 381374 R8-2014-0010 N
1147851 08/17/2025 CAT1 Total Suspended Solids (TSS) High Weekly Average limit is 30 mg/L and reported value was 60.4 mg/L at M-001. Violation N eSMR Corona WWRF #1 422466 R8-2020-0021 N
Report currently showing last five years of violations. Click here to return to viewing one year of violations. Refer to the Interactive Violation Report for more data.
Total Violations: 103
*Click the "(+/-) Violation Description" link to expand and contract the violation description.
  
  
  
  
Expand/Contract Enforcement Actions
Enforcement Actions
Enforcement ID Enforcement Type Enf. Order No. Title Program Effective Date Status
Total Enforcement Actions: 0
  
  
  
  
Expand/Contract Enforcement Actions
Regulatory Measures linked to Related Parties
Reg. Measure ID Organization Regulatory Measure Type Program Effective Date Status
Total Regulatory Measures linked to Related Parties: 0
  
  
The current report was generated with data as of: 10/28/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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