| 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. |
| 1108786 |
09/29/2022 |
Sanitary Sewer Overflow/Spill/ |
Type: Category 1. Other (specify below);Unknown, This line is regularly cleaned and observations on last cleaning (9/12/2022) were Light roots and Light sediment and debris. The segment will be CCTV'd asap caused 426 gallons of sewage to spill from Manhole;1st appearance point at upper manhole. 2nd appearance at downstream structure of the same sewer segment. at Kendall and Merchant, Crockett to Paved Surface;Separate Storm Drain;Street/Curb and Gutter;Unpaved surface;calculated that 31 gallons were unrecovered from storm. Estimated that 15% went to dirt while the puddle volume extending down from Merchant to 145 Kendall was 2080ft² at 1/16" avg depth accounting for 81 gallons. Surface water body affected (Carquinez Straits). |
Violation |
N |
SSO |
Joint C&H-Cvsd Biological CS |
299948 |
2022-0103-DWQ |
Y |
| 1113253 |
02/10/2023 |
Sanitary Sewer Overflow/Spill/ |
Type: Category 1. Pipe Structural Problem/Failure caused 1075 gallons of sewage to spill from Gravity Mainline;Dirt area in easement at Clark & Pomona, Crockett to Separate Storm Drain;Street/Curb and Gutter;Unpaved surface. Surface water body affected (Carquinez Strait). |
Violation |
N |
SSO |
Joint C&H-Cvsd Biological CS |
299948 |
2022-0103-DWQ |
Y |
| 1136766 |
10/31/2024 |
OEV |
Enterococci Daily Maximum limit is 240 MPN/100 mL and reported value was 2419.6 MPN/100 mL at EFF-001. |
Violation |
N |
eSMR |
Port Costa WWTP |
457284 |
R2-2024-0009 |
N |
| 1089287 |
03/31/2021 |
Deficient Monitoring |
Effluent Copper sample for Q1 2021 was not collected. |
Violation |
N |
eSMR |
Port Costa WWTP |
427684 |
R2-2018-0053 |
N |
| 1114799 |
03/23/2023 |
Sanitary Sewer Overflow/Spill/ |
Type: Category 1. Root Intrusion caused 2772.0 gallons of sewage to spill from Manhole;Square manhole in paved street at 235 Kendall, Crockett CA 94525 to Paved Surface;Separate Storm Drain;Street/Curb and Gutter;Surface Water;Storm drain system. Surface water body affected (Carquinez straight). |
Violation |
N |
SSO |
Joint C&H-Cvsd Biological CS |
299948 |
2022-0103-DWQ |
Y |
| 1123813 |
12/27/2023 |
CAT1 |
Total Suspended Solids (TSS) Weekly Average (Mean) limit is 45 mg/L and reported value was 58.2 mg/L at EFF-001. |
Violation |
N |
eSMR |
Port Costa WWTP |
427684 |
R2-2018-0053 |
N |
| 1136752 |
08/29/2024 |
ATOX |
Acute Toxicity 1-Hour Average (Mean) limit is 70 % effect and reported value was 65 % effect at EFF-001. |
Violation |
N |
eSMR |
Port Costa WWTP |
457284 |
R2-2024-0009 |
N |
| 1113254 |
02/13/2023 |
Sanitary Sewer Overflow/Spill/ |
Type: Category 1. Root Intrusion caused 731 gallons of sewage to spill from Gravity Mainline;Sewage came out of rodding inlet at 235 Kendall, Crockett to Separate Storm Drain. Surface water body affected (Carquinez Strait). |
Violation |
N |
SSO |
Joint C&H-Cvsd Biological CS |
299948 |
2022-0103-DWQ |
Y |
| 1146548 |
07/08/2025 |
OEV |
Enterococci 10% for 30 days limit is 1000 CFU/100 mL and reported value was 9208 CFU/100 mL at EFF-001. |
Violation |
N |
eSMR |
Port Costa WWTP |
457284 |
R2-2024-0009 |
N |
| 1138308 |
11/04/2024 |
OEV |
Enterococci Monthly Average limit is 240 MPN/100 mL and reported value was 435 MPN/100 mL at EFF-001. |
Violation |
N |
eSMR |
Port Costa WWTP |
457284 |
R2-2024-0009 |
N |
| 1115053 |
02/28/2023 |
OEV |
Enterococci Monthly Average (Mean) limit is 35.0 MPN/100 mL and reported value was 40.6 MPN/100 mL at EFF-001. |
Violation |
N |
eSMR |
Port Costa WWTP |
427684 |
R2-2018-0053 |
N |
| 1133999 |
01/01/2024 |
Sanitary Sewer Overflow/Spill/ |
Type: Category 1 Spill; Debris-General caused 33600 gallons of sewage to spill from Lateral Clean Out (Private) at 535 Pomona to Street/Curb and Gutter (2 3), Surface Water |
Violation |
None |
SSO |
Joint C&H-Cvsd Biological CS |
299948 |
2022-0103-DWQ |
N |
| 1120965 |
05/06/2023 |
Order Conditions |
Failure to include all information required in the Sanitary Sewer Management Plan. Information submitted for the inspection differs from the Annual Report submitted on CIWQS. |
Violation |
None |
Report |
Joint C&H-Cvsd Biological CS |
299948 |
2022-0103-DWQ |
Y |
| 1120966 |
05/06/2023 |
Order Conditions |
Failure to include all information required in the Sanitary Sewer Management Plan. Information submitted for the inspection differs from the Annual Report submitted on CIWQS. |
Violation |
None |
Report |
Port Costa CS |
347793 |
2022-0103-DWQ |
Y |
|
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