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. |
1145394 |
06/27/2025 |
Deficient Monitoring |
Sample collection for Oil & Grease was missed on June 27, 2025. After Oil & Grease samples are collected, lab staff look at the calendar to identify the next sample date and write it down in three places throughout the laboratory. It is assumed when the sample was collected on June 21st, the next collection date was written recorded incorrectly in the three locations throughout the lab. |
Violation |
N |
eSMR |
El Estero Water Resource Center NPDES |
436198 |
R3-2019-0046 |
N |
1145086 |
07/19/2025 |
Sanitary Sewer Overflow/Spill/ |
Type: Category 1 Spill; Root Intrusion caused 270 gallons of sewage to spill from Other (specify below),Manhole at 2810 Valencia Dr to Surface Water,Drainage Conveyance System that discharges to surface water,Street/Curb and Gutter (2 3),Drainage Conveyance System |
Violation |
None |
SSO |
El Estero CS |
301443 |
2022-0103-DWQ |
N |
1142407 |
03/19/2025 |
Deficient Monitoring |
EFF-001A TSS composite sample was received in the laboratory above 6°C, which is outside the acceptable temperature criteria. Samples were placed in the reagent fridge because the sample fridge had extra samples that hadn¿t been processed and was too full to accommodate all samples. |
Violation |
N |
eSMR |
El Estero Water Resource Center NPDES |
436198 |
R3-2019-0046 |
N |
1141889 |
01/01/2024 |
Deficient Reporting |
Sampling and Reporting on Recycled Water Sample was not performed. |
Violation |
None |
Report |
El Estero Reclamation Facility, Recycle Water Use |
147037 |
97-044 |
N |
1139612 |
12/15/2024 |
Deficient Monitoring |
. Deficient monitoring violation occurred on 12/16/24 when the 12/15/24 RD sample was mistakenly dropped by a lab analyst. This resulted in lack of valid Total Coliform result. The Laboratory is understaffed, and the analyst was in a rush to complete the microbiological analysis within the required timeframe, to ensure other analyses were completed. |
Violation |
N |
eSMR |
El Estero Water Resource Center NPDES |
436198 |
R3-2019-0046 |
N |
1139611 |
12/15/2024 |
CAT2 |
Chlorine, Total Residual Maximum Daily (MDEL) limit is 360 ug/L and reported value was 480 ug/L at EFF-001B. |
Violation |
N |
eSMR |
El Estero Water Resource Center NPDES |
436198 |
R3-2019-0046 |
N |
1139610 |
12/03/2024 |
OEV |
pH Instantaneous Minimum limit is 6.0 SU and reported value was 4.2 SU at EFF-001B. |
Violation |
N |
eSMR |
El Estero Water Resource Center NPDES |
436198 |
R3-2019-0046 |
N |
1138849 |
12/28/2024 |
Sanitary Sewer Overflow/Spill/ |
Type: Category 1 Spill; Other (specify below) caused 845 gallons of sewage to spill from Manhole at 433 S. Canada St to Paved Surface,Other (specify below),Drainage Conveyance System,Drainage Conveyance System that discharges to surface water |
Violation |
None |
SSO |
El Estero CS |
301443 |
2022-0103-DWQ |
N |
1136730 |
10/02/2024 |
Deficient Monitoring |
On October 14, 2024, Lab Staff discovered that expired IDEXX Enterolert media had been used for the previous two weeks in the analysis of Enterococcus from September 27 - October 11. The laboratory investigated the bench sheets, current inventory, and standards/media inventory management including review of responsibilities and tracking mechanisms for media expiration. The lab was tracking multiple Enterococcus Q-Tray batches on a single benchsheet (B-022) which had only one location for media lot number and expiration date. The lab was not verifying the media lot number & expiration date each time it was used. |
Violation |
N |
eSMR |
El Estero Water Resource Center NPDES |
436198 |
R3-2019-0046 |
N |
1136497 |
02/19/2024 |
OEV |
Flow Monthly Average limit is 12.5 MGD and reported value was 12.775 MGD at EFF-001B. |
Violation |
None |
Report |
El Estero Water Resource Center NPDES |
436198 |
R3-2019-0046 |
N |
1135148 |
09/23/2024 |
OEV |
Fecal Coliform Single Sample Maximum limit is 400 MPN/100 mL and reported value was 3500 MPN/100 mL at M-001. |
Violation |
N |
eSMR |
El Estero Water Resource Center NPDES |
436198 |
R3-2019-0046 |
N |
1135147 |
09/06/2024 |
Deficient Monitoring |
Sample collection for Oil & Grease was missed on September 6, 2024. The sample was collected the next day on Sept 7th and the result was Non-Detect (ND) |
Violation |
N |
eSMR |
El Estero Water Resource Center NPDES |
436198 |
R3-2019-0046 |
N |
1134109 |
01/28/2024 |
Sanitary Sewer Overflow/Spill/ |
Type: Category 1 Spill; Other (specify below) caused 1195 gallons of sewage to spill from Lateral Clean Out (Private) at 1819 Santa Barbara St. to Drainage Conveyance System, Other (specify below), Paved Surface |
Violation |
None |
SSO |
El Estero CS |
301443 |
2022-0103-DWQ |
N |
1134108 |
12/21/2023 |
Sanitary Sewer Overflow/Spill/ |
Type: Category 1 Spill; Rainfall Exceeded Design, I and I (Separate Collection System Only) caused 6150 gallons of sewage to spill from Manhole at 205 Stanley Dr. to Surface Water |
Violation |
None |
SSO |
El Estero CS |
301443 |
2022-0103-DWQ |
N |
1131500 |
07/02/2024 |
Deficient Monitoring |
Deficient monitoring violation occurred on 7/2/2024 when the Oil & Grease sample bottle labels came off during transport due to the melted ice in the courier's cooler. Lab invalidated the samples due to varying Reporting Limits of Non-Detected results that could not be matched to the unlabeled sample bottles |
Violation |
N |
eSMR |
El Estero Water Resource Center NPDES |
436198 |
R3-2019-0046 |
N |
1130284 |
06/14/2024 |
Deficient Monitoring |
Deficient monitoring violation occurred on 06/14/24 and 06/20/24 when the Oil & Grease sample bottle labels came off during transport due to the melted ice in the courier¿s cooler. Lab invalidated the samples due to varying Reporting Limits of Non-Detected results that could not be matched to the unlabeled sample bottles. |
Violation |
N |
eSMR |
El Estero Water Resource Center NPDES |
436198 |
R3-2019-0046 |
N |
1130283 |
06/17/2024 |
Deficient Monitoring |
Deficient monitoring violation occurred on 06/17/24 when field pH probe was not calibrated prior to use. This resulted in lack of valid pH daily result. Lab invalidated the pH result due to missed calibration. EFF-001A =NV, EFF-001B = NV, RCY-001 = NV |
Violation |
N |
eSMR |
El Estero Water Resource Center NPDES |
436198 |
R3-2019-0046 |
N |
1125352 |
02/19/2024 |
CAT1 |
Total Suspended Solids (TSS) Daily Maximum limit is 8260 lb/day and reported value was 12539.1 lb/day at EFF-001A. |
Violation |
N |
eSMR |
El Estero Water Resource Center NPDES |
436198 |
R3-2019-0046 |
N |
1125349 |
02/19/2024 |
CAT1 |
Settleable Solids Instantaneous Maximum limit is 3.0 ml/L and reported value was 37 ml/L at EFF-001B. |
Violation |
N |
eSMR |
El Estero Water Resource Center NPDES |
436198 |
R3-2019-0046 |
Y |
1123624 |
12/23/2023 |
Deficient Monitoring |
Oil & Grease analyzed past hold time. |
Violation |
N |
eSMR |
El Estero Water Resource Center NPDES |
436198 |
R3-2019-0046 |
N |
1123479 |
09/18/2023 |
Deficient Monitoring |
Ammonia was analyzed on a composite sample instead of a grab sample as required by Table E-5. Composite sample collected on 9/18/23 had a value of <2.0mg/L (or ND). |
Violation |
N |
eSMR |
El Estero Water Resource Center NPDES |
436198 |
R3-2019-0046 |
N |
1122987 |
11/16/2023 |
Deficient Monitoring |
On 11/16/23 at 11:28am while performing preventive maintenance on the recycled water distribution chlorine analyzers, a valving error occurred causing the Influent to the Chlorine Contact Basin to be analyzed instead of Recycled Water Distribution sample. |
Violation |
N |
eSMR |
El Estero Water Resource Center NPDES |
436198 |
R3-2019-0046 |
N |
1119015 |
06/30/2023 |
Deficient Monitoring |
Total Dissolved Solids at RCY-001 has a minimum sampling frequency listed as quarterly. Laboratory collected quarterly RCY-001 samples however, the TDS analysis was missed. |
Violation |
N |
eSMR |
El Estero Water Resource Center NPDES |
436198 |
R3-2019-0046 |
N |
1114742 |
03/17/2023 |
Sanitary Sewer Overflow/Spill/ |
Type: Category 1. Grease Deposition (FOG) caused 2310 gallons of sewage to spill from Manhole;Two MH locations at 2741 Las Encinas Rd to Drainage Channel;Surface Water. Surface water body affected (Mission Creek). |
Violation |
N |
SSO |
El Estero CS |
301443 |
2022-0103-DWQ |
N |
1114079 |
01/09/2023 |
CAT1 |
Total Suspended Solids (TSS) Daily Maximum limit is 8260 lb/day and reported value was 9079.1 lb/day at EFF-001B. |
Violation |
N |
eSMR |
El Estero Water Resource Center NPDES |
436198 |
R3-2019-0046 |
N |
1113718 |
02/18/2023 |
Sanitary Sewer Overflow/Spill/ |
Type: Category 1. Vandalism caused 24675.0 gallons of sewage to spill from Manhole;Two MHs at 4000 La Colina Rd to Separate Storm Drain;Surface Water;Unpaved surface. Surface water body affected (Cieneguitas Creek). |
Violation |
N |
SSO |
El Estero CS |
301443 |
2022-0103-DWQ |
N |
1112906 |
12/08/2022 |
OEV |
Fecal Coliform Single Sample Maximum limit is 400 MPN/100 mL and reported value was 16000 MPN/100 mL at EFF-001A. |
Violation |
N |
eSMR |
El Estero Water Resource Center NPDES |
436198 |
R3-2019-0046 |
N |
1112609 |
01/09/2023 |
Sanitary Sewer Overflow/Spill/ |
Type: Category 1. Natural Disaster;Broken sewer pipe on the bridge spanning Sycamore Creek due to storm event on 1/9/2023. caused 4820.0 gallons of sewage to spill from Gravity Mainline;Broken sewer pipe on the bridge spanning Sycamore Creek at 1306 Mason St to Surface Water. Surface water body affected (Sycamore Creek Watershed.). |
Violation |
N |
SSO |
El Estero CS |
301443 |
2022-0103-DWQ |
N |
1112159 |
01/09/2023 |
Sanitary Sewer Overflow/Spill/ |
Type: Category 1. Natural Disaster caused 640.0 gallons of sewage to spill from Manhole at 401 Shoreline Drive to Paved Surface;Separate Storm Drain;Surface Water. Surface water body affected (Mission Creek Watershed). |
Violation |
N |
SSO |
El Estero CS |
301443 |
2022-0103-DWQ |
N |
1112154 |
01/09/2023 |
Sanitary Sewer Overflow/Spill/ |
Type: Category 1. Natural Disaster caused 22300.0 gallons of sewage to spill from Manhole at Laguna and De La Guerra to Separate Storm Drain;Surface Water. Surface water body affected (Laguna Channel Watershed). |
Violation |
N |
SSO |
El Estero CS |
301443 |
2022-0103-DWQ |
N |
1112152 |
01/09/2023 |
Sanitary Sewer Overflow/Spill/ |
Type: Category 1. Natural Disaster caused 4350.0 gallons of sewage to spill from Manhole at Vernon and Serena to Other (specify below);Separate Storm Drain;Mission Watershed. Surface water body affected (Mission Creek Watershed). |
Violation |
N |
SSO |
El Estero CS |
301443 |
2022-0103-DWQ |
N |
1110870 |
10/11/2022 |
Deficient Monitoring |
Total Coliform on RCY-001 must be analyzed at a daily frequency on a grab sample. Sample invalidated on 10/11/22. Deficient monitoring violation occurred due the lack of a valid sample result. Staff invalidated the sample due to organic and inorganic fouling in the sample line and tubing. The fouling was only occurring at the sample location and the sample was not representative of the water quality in the recycled water distribution system |
Violation |
N |
eSMR |
El Estero Water Resource Center NPDES |
436198 |
R3-2019-0046 |
N |
1109856 |
11/05/2022 |
Sanitary Sewer Overflow/Spill/ |
Type: Category 1. Other (specify below);Roots from lateral. caused 1043.0 gallons of sewage to spill from Upper Lateral (Private);SSO from lateral cleanout. at 1311 W. Valerio St. to Other (specify below);Separate Storm Drain;Street/Curb and Gutter;Surface Water;Partial SSO saturated into the soil in the front yard of 1311 W. Valerio. SSO reached Mission Creek Watershed.. Surface water body affected (Mission Creek Watershed). |
Violation |
N |
SSO |
El Estero CS |
301443 |
2022-0103-DWQ |
N |
1107115 |
08/02/2022 |
Late Report |
Quarterly SMR ( MONNPDES ) report for Q2 2022 (2294665) was due on 01-AUG-22 |
Violation |
None |
Report |
El Estero Water Resource Center NPDES |
436198 |
R3-2019-0046 |
N |
1107114 |
08/02/2022 |
Late Report |
Semi-Annual SMR ( MONNPDES ) report for H1 2022 (2294458) was due on 01-AUG-22 |
Violation |
None |
Report |
El Estero Water Resource Center NPDES |
436198 |
R3-2019-0046 |
N |
1103671 |
03/11/2022 |
Deficient Monitoring |
Deficient Monitoring of multiple parameters and multiple locations. Continuous monitoring was lost due to the data servers losing power for approximately 1 hour and 27 minutes on March 11, 2022. Real-time SCADA system operation, including online analyzers, flow monitors, and alarm handling, was unaffected but no historical data was stored. Parameters affected include: Influent pH, Influent Flow, Effluent Flow, Outfall Residual Chlorine (Monitoring location EFF-001A and M-001), Commingled Effluent pH, Recycled Water Chlorine Residual, Recycled Water Flow, Recycled Water Filtrate Turbidity from 3/11/2022 21:50 to 23:17. Flow totalizer data is also stored locally at the PLCs (Programmable Logic Controllers) in the facility so daily total values were unaffected. The loss of power was caused by the main electrical breaker supplying the administration building tripping and the UPS (Uninterruptible Power Supply) providing back up power to the data servers also failing simultaneously. Operations Staff were on-site monitoring the facility and did not report any other process related failures or exceedances. |
Violation |
N |
eSMR |
El Estero Water Resource Center NPDES |
436198 |
R3-2019-0046 |
N |
1100027 |
09/08/2021 |
Deficient Monitoring |
Cyanide and total chlorine residual were collected as a grab sample. The analytical methods used to analyze these pollutants require grab samples however the permit requires a 24hour composite. |
Violation |
N |
eSMR |
El Estero Water Resource Center NPDES |
436198 |
R3-2019-0046 |
N |
1100026 |
09/08/2021 |
Deficient Monitoring |
Only 2,3,7,8 TCDD was analyzed for the influent instead of the entire list of TCDD equivalents |
Violation |
N |
eSMR |
El Estero Water Resource Center NPDES |
436198 |
R3-2019-0046 |
N |
1098353 |
11/20/2021 |
Deficient Monitoring |
The auto sampler for EFF-001A produced an unusually high volume of sample, requiring multiple 10L bottles per one sample. One of the sample bottles that belonged to the 11/21 sample was mistakenly hand-composited with the 11/20 sample, causing neither sample to be representative. |
Violation |
N |
eSMR |
El Estero Water Resource Center NPDES |
436198 |
R3-2019-0046 |
N |
1097377 |
10/08/2021 |
OEV |
Enterococci Monthly 90th% limit is 110 MPN/100 mL and reported value was 2419.2 MPN/100 mL at EFF-001A. |
Violation |
N |
eSMR |
El Estero Water Resource Center NPDES |
436198 |
R3-2019-0046 |
N |
1097044 |
11/21/2021 |
Sanitary Sewer Overflow/Spill/ |
Type: Category 1. Root Intrusion;Roots from lateral and debris. caused 127.0 gallons of sewage to spill from Manhole at 3020 Hermosa Rd to Drainage Channel;Unpaved surface. Surface water body affected (Mission Creek WaterShed). |
Violation |
N |
SSO |
El Estero CS |
301443 |
2022-0103-DWQ |
N |
1096062 |
09/13/2021 |
Deficient Monitoring |
The auto sampler for EFF-001A malfunctioned and failed to produce a composite sample. TSS was analyzed on a grab sample instead of a 24hr composite. |
Violation |
N |
eSMR |
El Estero Water Resource Center NPDES |
436198 |
R3-2019-0046 |
N |
1093698 |
07/07/2021 |
OEV |
Fecal Coliform Single Sample Maximum limit is 400 MPN/100 mL and reported value was 1600 MPN/100 mL at EFF-001A. |
Violation |
N |
eSMR |
El Estero Water Resource Center NPDES |
436198 |
R3-2019-0046 |
N |
1092664 |
03/31/2021 |
Deficient Monitoring |
Ammonia on a grab sample at EFF-001B has a minimum sampling frequency list as 2/year and a footnote that specifies semi-annual monitoring shall be conducted during the months of March and September. The laboratory analyzed ammonia at EFF-001B on a composite sample rather than a grab sample. The laboratory experienced staffing shortages throughout the monitoring period. |
Violation |
N |
eSMR |
El Estero Water Resource Center NPDES |
436198 |
R3-2019-0046 |
N |
1092663 |
06/30/2021 |
Deficient Monitoring |
Total Dissolved Solids at RCY-001 has a minimum sampling frequency listed as quarterly. The laboratory failed to analyze TDS. The laboratory experienced staffing shortages throughout the monitoring period. |
Violation |
N |
eSMR |
El Estero Water Resource Center NPDES |
436198 |
R3-2019-0046 |
N |
1090887 |
06/04/2021 |
Sanitary Sewer Overflow/Spill/ |
Type: Category 1. Root Intrusion;Root intrusion from lateral, combined with grease and wipes caused 3285.0 gallons of sewage to spill from Manhole at 420 E. De La Guerra St to Drainage Channel;Separate Storm Drain;Laguna Channel at Hwy 101. Surface water body affected (Laguna Channel). |
Violation |
N |
SSO |
El Estero CS |
301443 |
2022-0103-DWQ |
N |
1089552 |
03/14/2021 |
Deficient Monitoring |
Microbiological contamination in laboratory¿s DI system caused NV results between March 11th ¿ March 14th. |
Violation |
N |
eSMR |
El Estero Water Resource Center NPDES |
436198 |
R3-2019-0046 |
N |
1089551 |
03/19/2021 |
Deficient Monitoring |
New laboratory staff failed to analyze settleable solids on March, 19th 2021. |
Violation |
N |
eSMR |
El Estero Water Resource Center NPDES |
436198 |
R3-2019-0046 |
N |
1085047 |
12/31/2020 |
OEV |
Enterococci Monthly 90th% limit is 110 MPN/100 mL and reported value was 112.4 MPN/100 mL at EFF-001A. |
Violation |
N |
eSMR |
El Estero Water Resource Center NPDES |
436198 |
R3-2019-0046 |
N |
1082712 |
12/12/2020 |
Sanitary Sewer Overflow/Spill/ |
Type: Category 1. Debris-Wipes/Non-Dispersables;Wipes and sticks caused 700.0 gallons of sewage to spill from Manhole at 1209 Ferrelo Rd. to Separate Storm Drain;Street/Curb and Gutter. Surface water body affected (Laguna Watershed). |
Violation |
N |
SSO |
El Estero CS |
301443 |
2022-0103-DWQ |
N |
1081929 |
11/22/2020 |
Sanitary Sewer Overflow/Spill/ |
Type: Category 1. Debris from Construction;Pieces of trenchless spot liners removed as part of annual capital project. caused 1260 gallons of sewage to spill from Manhole at 400 E Pedregosa to Drainage Channel;Separate Storm Drain;Unlined drainage channel part of City''s MS4. Surface water body affected (Laguna Watershed). |
Violation |
N |
SSO |
El Estero CS |
301443 |
2022-0103-DWQ |
N |
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