| 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. |
| 1121633 |
09/25/2023 |
Deficient Monitoring |
SFPUC invalidated three samples (9/23/2023, 9/24/2023, 9/25/2023) with high BOD results due to algae found in the composite sample. Because the BOD sample results were above the permitted effluent limits, but not representative of the effluent (as described below), Regional Board staff determined that the samples were not in compliance with Attachment D, section III.A of R2-2013-0029. |
Violation |
None |
Report |
SF-SE Water Pollution Control Plant, N-Point & Bayside |
392750 |
R2-2013-0029 |
N |
| 1121632 |
09/24/2023 |
Deficient Monitoring |
SFPUC invalidated three samples (9/23/2023, 9/24/2023, 9/25/2023) with high BOD results due to algae found in the composite sample. Because the BOD sample results were above the permitted effluent limits, but not representative of the effluent (as described below), Regional Board staff determined that the samples were not in compliance with Attachment D, section III.A of R2-2013-0029. |
Violation |
None |
Report |
SF-SE Water Pollution Control Plant, N-Point & Bayside |
392750 |
R2-2013-0029 |
N |
| 1121631 |
09/23/2023 |
Deficient Monitoring |
SFPUC invalidated three samples (9/23/2023, 9/24/2023, 9/25/2023) with high BOD results due to algae found in the composite sample. Because the BOD sample results were above the permitted effluent limits, but not representative of the effluent (as described below), Regional Board staff determined that the samples were not in compliance with Attachment D, section III.A of R2-2013-0029. |
Violation |
None |
Report |
SF-SE Water Pollution Control Plant, N-Point & Bayside |
392750 |
R2-2013-0029 |
N |
| 1121628 |
09/30/2023 |
CAT1 |
Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Monthly Average (Mean) limit is 30 mg/L and reported value was 33 mg/L at EFF-001A. |
Violation |
None |
Report |
SF-SE Water Pollution Control Plant, N-Point & Bayside |
392750 |
R2-2013-0029 |
N |
| 1121627 |
09/30/2023 |
CAT1 |
Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average (Mean) limit is 45.0 mg/L and reported value was 46 mg/L at EFF-001A. |
Violation |
None |
Report |
SF-SE Water Pollution Control Plant, N-Point & Bayside |
392750 |
R2-2013-0029 |
N |
| 1121626 |
09/02/2023 |
CAT1 |
Total Suspended Solids (TSS) Weekly Average (Mean) limit is 45 mg/L and reported value was 48 mg/L at EFF-001A. |
Violation |
None |
Report |
SF-SE Water Pollution Control Plant, N-Point & Bayside |
392750 |
R2-2013-0029 |
N |
| 1121625 |
08/31/2023 |
CAT1 |
Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Monthly Average (Mean) limit is 30 mg/L and reported value was 32 mg/L at EFF-001A. |
Violation |
None |
Report |
SF-SE Water Pollution Control Plant, N-Point & Bayside |
392750 |
R2-2013-0029 |
N |
| 1120996 |
10/03/2023 |
Late Report |
Monthly SMR ( MONNPDES ) report for August 2023 (2727446) was due on 02-OCT-23 |
Violation |
None |
Report |
SF-SE Water Pollution Control Plant, N-Point & Bayside |
392750 |
R2-2013-0029 |
N |
| 1119117 |
06/25/2023 |
Unauthorized Discharge |
Per the June SMR: On June 25, 2023, approximately 11.8 MG gallons of secondary treated, disinfected wastewater was discharged to Discharge Point No. EFF-002 (Quint Street Outfall). The discharge started at 7:42 a.m. and ended at 12:23 p.m. The cause was a loss of power to the Booster Pump Station (BPS), which pumps final effluent to Discharge Point No. 001 (Pier 80 Outfall). On Saturday June 24 at approximately 3:30 p.m., PG&E power to BPS was interrupted after PG&E infrastructure was damaged in a traffic accident. SFPUC Operations staff confirmed the issue after a field inspection at BPS. They began to recirculate wastewater flows within the plant and stored flows in upstream Transport/Storage (T/S) Boxes. Staff maintained communications with PG&E and on-call SFPUC electricians to prepare for power restoration. As of Saturday evening, PG&E had not provided an estimated timeframe for restoration. In anticipation of the possibility that power would not be restored before the Channel T/S Box capacity was exceeded, orders were issued to initiate discharge of treated effluent through the Quint Street outfall when Channel T/S Box level exceeded 290 inches to prevent a discharge of untreated wastewater. Channel T/S Box level exceeded this threshold at approximately 6:15 a.m. on Sunday June 25, 2023. Effluent flow to Discharge Point No. 002 commenced at 7:42 a.m. with an average flow rate of 60.5 million gallons per day (MGD). Power to BPS was restored at approximately 12:10 p.m. and discharge to Discharge Point No. 002 ceased at 12:23 p.m. All effluent discharged through Discharge Point No. 002 received full secondary treatment and disinfection. When PG&E power to BPS was restored, SFPUC electricians performed necessary electrical work to verify PG&E power and operating circuit breakers prior to restarting the pumps at BPS. |
Violation |
None |
Report |
SF-SE Water Pollution Control Plant, N-Point & Bayside |
392750 |
R2-2013-0029 |
N |
|
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