| 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. |
| 1145123 |
07/13/2025 |
Sanitary Sewer Overflow/Spill/ |
Type: Category 1 Spill; Debris from Construction,Debris-wipes/Non-disposables,Debris-Rags,Debris-General caused 45000 gallons of sewage to spill from Manhole at 268 Middletown Rd to Drainage Conveyance System,Unpaved Surface,Surface Water,Drainage Conveyance System that discharges to surface water |
Violation |
None |
SSO |
Hangtown Creek CS |
301706 |
2022-0103-DWQ |
N |
| 1144516 |
06/13/2025 |
Sanitary Sewer Overflow/Spill/ |
Type: Category 1 Spill; Debris-wipes/Non-disposables caused 15 gallons of sewage to spill from Gravity Mainline,Lateral Clean Out (Public) at 3140 Cedar Ravine Rd to Surface Water |
Violation |
None |
SSO |
Hangtown Creek CS |
301706 |
2022-0103-DWQ |
N |
| 1144428 |
12/31/2024 |
Surface Water |
The discharge violated the receiving water limitations for turbidity as listed below. According to the NOA, the discharge shall not increase receiving water turbidity by more than 20% where natural turbidity is between 5 and 50 NTUs, and shall not increase turbidity by more than 1 NTU where natural turbidity is between 1 and 5 NTUs. |
Violation |
None |
Report |
River Islands Subdivision Construction Dewatering Proj - Phase II |
412397 |
R5-2022-0006-02 |
Y |
| 1144427 |
09/30/2024 |
Surface Water |
The discharge violated the receiving water limitations for turbidity as listed below. According to the NOA, the discharge shall not increase receiving water turbidity by more than 20% where natural turbidity is between 5 and 50 NTUs, and shall not increase turbidity by more than 1 NTU where natural turbidity is between 1 and 5 NTUs. |
Violation |
N |
Report |
River Islands Subdivision Construction Dewatering Proj - Phase II |
412397 |
R5-2022-0006-02 |
Y |
| 1143115 |
04/16/2025 |
Sanitary Sewer Overflow/Spill/ |
Type: Category 1 Spill; Vandalism (specify below),Damage by Others Not Related to Collection System Construction/Maintenance caused 80000 gallons of sewage to spill from Manhole at 670 Placerville Dr. to Surface Water |
Violation |
None |
SSO |
Hangtown Creek CS |
301706 |
2022-0103-DWQ |
N |
| 1133156 |
01/19/2024 |
Sanitary Sewer Overflow/Spill/ |
Type: Category 1 Spill; Pipe Structural Problem/Failure - Installation caused 193 gallons of sewage to spill from Gravity Mainline at 1063 LOCUST AVE to Surface Water |
Violation |
None |
SSO |
Hangtown Creek CS |
301706 |
2022-0103-DWQ |
N |
| 1133155 |
09/28/2023 |
Sanitary Sewer Overflow/Spill/ |
Type: Category 1 Spill; Siphon Failure caused 39 gallons of sewage to spill from Manhole at 2885 Mosquito Road to Paved Surface, Surface Water, Unpaved Surface |
Violation |
None |
SSO |
Hangtown Creek CS |
301706 |
2022-0103-DWQ |
N |
| 1133154 |
09/23/2023 |
Sanitary Sewer Overflow/Spill/ |
Type: Category 1 Spill; Damage by Others Not Related to Collection System Construction/Maintenance, Pipe Structural Problem/Failure - Controls caused 93 gallons of sewage to spill from Gravity Mainline at 3128 cedar ravine road to Drainage Conveyance System, Drainage Conveyance System that discharges to surface water, Unpaved Surface |
Violation |
None |
SSO |
Hangtown Creek CS |
301706 |
2022-0103-DWQ |
N |
| 1133153 |
08/29/2023 |
Sanitary Sewer Overflow/Spill/ |
Type: Category 1 Spill; Fats, Oil and Grease (FOG) caused 2000 gallons of sewage to spill from Gravity Mainline, Lower Lateral (Private) at 1045 Marshal way to Drainage Conveyance System, Drainage Conveyance System that discharges to surface water, Paved Surface, Street/Curb and Gutter (2 3), Surface Water |
Violation |
None |
SSO |
Hangtown Creek CS |
301706 |
2022-0103-DWQ |
N |
| 1133152 |
06/26/2023 |
Sanitary Sewer Overflow/Spill/ |
Type: Category 1 Spill; Debris-General caused 420 gallons of sewage to spill from Gravity Mainline at 3128 cedar ravine road to Drainage Conveyance System that discharges to surface water, Surface Water |
Violation |
None |
SSO |
Hangtown Creek CS |
301706 |
2022-0103-DWQ |
N |
| 1130887 |
09/30/2023 |
Deficient Monitoring |
The Discharger failed to monitor the Effluent flow, total chlorine, pH and bisulfite. |
Violation |
N |
Report |
Sconza Candy Company |
383019 |
R5-2022-0006-02 |
Y |
| 1130596 |
09/30/2023 |
CAT1 |
Manganese, Total Monthly Average limit is 80.0 ug/L and reported value was 200 ug/L. |
Violation |
None |
Report |
Segment 5 Contra Costa Canal Replacement Project |
413904 |
R5-2022-0006-02 |
Y |
| 1130595 |
08/31/2023 |
CAT1 |
Manganese, Total Monthly Average limit is 80.0 ug/L and reported value was 200 ug/L. |
Violation |
None |
Report |
Segment 5 Contra Costa Canal Replacement Project |
413904 |
R5-2022-0006-02 |
Y |
| 1130594 |
07/31/2023 |
CAT1 |
Manganese, Total Monthly Average limit is 80 ug/L and reported value was 242 ug/L. |
Violation |
N |
Report |
Segment 5 Contra Costa Canal Replacement Project |
413904 |
R5-2022-0006-02 |
Y |
| 1130593 |
09/30/2023 |
CAT1 |
Manganese, Total Daily Maximum limit is 160.0 ug/L and reported value was 220 ug/L. |
Violation |
None |
Report |
Segment 5 Contra Costa Canal Replacement Project |
413904 |
R5-2022-0006-02 |
Y |
| 1130592 |
08/31/2023 |
CAT1 |
Manganese, Total Daily Maximum limit is 160 ug/L and reported value was 242 ug/L. |
Violation |
None |
Report |
Segment 5 Contra Costa Canal Replacement Project |
413904 |
R5-2022-0006-02 |
Y |
| 1130591 |
07/31/2023 |
CAT1 |
Manganese, Total Daily Maximum limit is 160 ug/L and reported value was 242 ug/L. |
Violation |
N |
Report |
Segment 5 Contra Costa Canal Replacement Project |
413904 |
R5-2022-0006-02 |
Y |
| 1126230 |
12/31/2023 |
CAT1 |
Manganese, Total Recoverable Monthly Average limit is 80 ug/L and reported value was 170 ug/L. |
Violation |
N |
Report |
Recology Hay Road Landfill |
416226 |
R5-2022-0006-02 |
Y |
| 1126228 |
12/06/2023 |
CAT1 |
Manganese, Total Recoverable Daily Maximum limit is 160 ug/L and reported value was 170 ug/L. |
Violation |
N |
Report |
Recology Hay Road Landfill |
416226 |
R5-2022-0006-02 |
Y |
| 1126227 |
09/30/2023 |
CAT1 |
Manganese, Total Recoverable Monthly Average limit is 80 ug/L and reported value was 93 ug/L. |
Violation |
N |
Report |
Recology Hay Road Landfill |
416226 |
R5-2022-0006-02 |
Y |
| 1111824 |
12/22/2021 |
OEV |
pH Instantaneous Minimum limit is 6.5 SU and reported value was 6.4 SU. |
Violation |
N |
Report |
Sconza Candy Company |
383019 |
R5-2022-0006-02 |
Y |
| 1111823 |
11/10/2021 |
OEV |
pH Instantaneous Minimum limit is 6.5 SU and reported value was 6.2 SU. |
Violation |
N |
Report |
Sconza Candy Company |
383019 |
R5-2022-0006-02 |
Y |
| 1111822 |
09/22/2021 |
OEV |
pH Instantaneous Maximum limit is 8.5 SU and reported value was 8.7 SU. |
Violation |
N |
Report |
Sconza Candy Company |
383019 |
R5-2022-0006-02 |
Y |
| 1111821 |
09/10/2021 |
OEV |
pH Instantaneous Minimum limit is 6.5 SU and reported value was 6.4 SU. |
Violation |
N |
Report |
Sconza Candy Company |
383019 |
R5-2022-0006-02 |
Y |
| 1111819 |
05/16/2022 |
OEV |
pH Instantaneous Maximum limit is 8.5 SU and reported value was 8.8 SU. |
Violation |
None |
Report |
Sconza Candy Company |
383019 |
R5-2022-0006-02 |
Y |
| 1111817 |
05/02/2022 |
OEV |
pH Instantaneous Maximum limit is 8.5 SU and reported value was 8.6 SU. |
Violation |
N |
Report |
Sconza Candy Company |
383019 |
R5-2022-0006-02 |
Y |
| 1110650 |
08/31/2022 |
CAT1 |
Manganese, Total Recoverable Monthly Average limit is 80 ug/L and reported value was 105 ug/L. |
Violation |
N |
Report |
Recology Hay Road Landfill |
416226 |
R5-2022-0006-02 |
Y |
| 1107875 |
06/14/2022 |
Deficient Reporting |
Discharger did not report the correct pH result for 6/14/2022 until 5/8/2023. |
Violation |
N |
Report |
Recology Hay Road Landfill |
416226 |
R5-2022-0006-02 |
Y |
| 1107874 |
06/30/2022 |
CAT1 |
Manganese, Total Recoverable Monthly Average limit is 80 ug/L and reported value was 135 ug/L. |
Violation |
N |
Report |
Recology Hay Road Landfill |
416226 |
R5-2022-0006-02 |
Y |
| 1107873 |
06/14/2022 |
CAT1 |
Iron, Total Recoverable Monthly Average limit is 470 ug/L and reported value was 605 ug/L. |
Violation |
N |
Report |
Recology Hay Road Landfill |
416226 |
R5-2022-0006-02 |
Y |
| 1105476 |
03/31/2022 |
CAT1 |
Manganese, Total Recoverable Monthly Average limit is 80 ug/L and reported value was 110 ug/L. |
Violation |
N |
Report |
Recology Hay Road Landfill |
416226 |
R5-2022-0006-02 |
Y |
| 1102970 |
09/30/2021 |
CAT1 |
Manganese, Total Recoverable Monthly Average limit is 80 ug/L and reported value was 140 ug/L. |
Violation |
N |
Report |
Recology Hay Road Landfill |
416226 |
R5-2022-0006-02 |
Y |
| 1091138 |
01/04/2021 |
Deficient Reporting |
Discharger did not monitor flow and pH daily during 1-4 January as required in the NOA. |
Violation |
N |
Report |
Recology Hay Road Landfill |
416226 |
R5-2022-0006-02 |
Y |
| 1088957 |
11/30/2020 |
Deficient Reporting |
Discharger did not monitor effluent flow at the required frequency during 18-23 November 2020. |
Violation |
N |
Report |
Recology Hay Road Landfill |
416226 |
R5-2022-0006-02 |
Y |
| 1088956 |
11/30/2020 |
CAT1 |
Magnesium, Total Recoverable Monthly Average limit is 80 ug/L and reported value was 83 ug/L. |
Violation |
N |
Report |
Recology Hay Road Landfill |
416226 |
R5-2022-0006-02 |
Y |
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