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. |
1128176 |
04/30/2024 |
CAT1 |
Nitrate, Total (as N) 1-Hour Average (Mean) limit is 10 mg/L and reported value |
Violation |
N |
eSMR |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
N |
1126356 |
01/02/2024 |
Surface Water |
RSW-005 annual running mean for sodium was 79 mg/L. WRRF Influent sodium was 11 |
Violation |
N |
eSMR |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
N |
1126355 |
03/31/2024 |
CAT1 |
Nitrate, Total (as N) Monthly Average limit is 10 mg/L and reported value was 11 |
Violation |
N |
eSMR |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
N |
1125298 |
02/29/2024 |
CAT1 |
Nitrate, Total (as N) Monthly Average (Mean) limit is 10 mg/L and reported value |
Violation |
N |
eSMR |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
N |
1124514 |
01/19/2024 |
CAT2 |
Chlorine, Total Residual Instantaneous Maximum limit is 0.1 mg/L and reported va |
Violation |
N |
eSMR |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
N |
1124513 |
01/10/2024 |
Surface Water |
RSW-004 11 Color Units, RSW-005 27 Color units. The upgraded liquids treatment |
Violation |
N |
eSMR |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
N |
1124512 |
01/30/2024 |
Surface Water |
RSW-004 13 Color Units, RSW-005 29 Color units. The upgraded liquids treatment |
Violation |
N |
eSMR |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
N |
1124511 |
01/16/2024 |
CAT2 |
Chlorine, Total Residual Instantaneous Maximum limit is 0.1 mg/L and reported va |
Violation |
N |
eSMR |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
N |
1124510 |
01/18/2024 |
Surface Water |
RSW-004 8 Color Units, RSW-005 30 Color units. The upgraded liquids treatment p |
Violation |
N |
eSMR |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
N |
1124509 |
01/11/2024 |
CAT2 |
Chlorine, Total Residual Instantaneous Maximum limit is 0.1 mg/L and reported va |
Violation |
N |
eSMR |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
N |
1124508 |
01/18/2024 |
Surface Water |
RSW-004 Temp 13.3 Deg C, RSW-005 18.5 Deg C, 10 deg F difference not enough cool |
Violation |
N |
eSMR |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
N |
1124507 |
01/09/2024 |
CAT2 |
Chlorine, Total Residual Instantaneous Maximum limit is 0.1 mg/L and reported va |
Violation |
N |
eSMR |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
N |
1124506 |
01/31/2024 |
CAT1 |
Nitrate, Total (as N) Monthly Average (Mean) limit is 10 mg/L and reported value |
Violation |
N |
eSMR |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
N |
1124505 |
01/10/2024 |
Surface Water |
RSW-004 Temp 12.8 Deg C, RSW-005 17.6 Deg C, 9 deg F difference Not enough cooli |
Violation |
N |
eSMR |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
N |
1124504 |
01/02/2024 |
Surface Water |
RSW-004 Temp 13.7 Deg C, RSW-005 17.8 Deg C, 7 deg F difference Not enough cooli |
Violation |
N |
eSMR |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
N |
1124503 |
01/30/2024 |
Surface Water |
RSW-004 Temp 13.7 Deg C, RSW-005 17.4 Deg C, 7 deg F difference Not enough cooli |
Violation |
N |
eSMR |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
N |
1124274 |
02/02/2024 |
Late Report |
Annual SMR ( SLUDGE ) (Biosolids (Sludge) Tech Rpt) report for 2023 (2673352) w |
Violation |
None |
Report |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
N |
1123562 |
12/06/2023 |
Surface Water |
Color The upgraded liquids treatment process does not use sodium hypochlorite f |
Violation |
N |
eSMR |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
N |
1123561 |
12/01/2023 |
Surface Water |
Temperature not enough cooling towers were in service. The operations team has |
Violation |
N |
eSMR |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
N |
1123560 |
12/14/2023 |
Surface Water |
Temperature not enough cooling towers were in service. The operations team has |
Violation |
N |
eSMR |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
N |
1123559 |
12/07/2023 |
Surface Water |
Temperature not enough cooling towers were in service. The operations team has |
Violation |
N |
eSMR |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
N |
1123558 |
12/06/2023 |
Surface Water |
Temperature not enough cooling towers were in service. The operations team has |
Violation |
N |
eSMR |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
N |
1123557 |
12/02/2023 |
Surface Water |
Temperature not enough cooling towers were in service. The operations team has |
Violation |
N |
eSMR |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
N |
1123556 |
12/09/2023 |
Surface Water |
Temperature not enough cooling towers were in service. The operations team has |
Violation |
N |
eSMR |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
N |
1123555 |
12/03/2023 |
Surface Water |
Temperature not enough cooling towers were in service. The operations team has |
Violation |
N |
eSMR |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
N |
1123554 |
12/08/2023 |
Surface Water |
Temperature not enough cooling towers were in service. The operations team has |
Violation |
N |
eSMR |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
N |
1123553 |
12/16/2023 |
Surface Water |
Temperature not enough cooling towers were in service. The operations team has |
Violation |
N |
eSMR |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
N |
1123552 |
12/15/2023 |
Surface Water |
Temperature not enough cooling towers were in service. The operations team has |
Violation |
N |
eSMR |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
N |
1123551 |
12/13/2023 |
Deficient Monitoring |
Color The upgraded liquids treatment process does not use sodium hypochlorite f |
Violation |
N |
eSMR |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
N |
1123550 |
12/17/2023 |
Surface Water |
Temperature not enough cooling towers were in service. The operations team has |
Violation |
N |
eSMR |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
N |
1123549 |
12/13/2023 |
Surface Water |
Temperature not enough cooling towers were in service. The operations team has |
Violation |
N |
eSMR |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
N |
1123548 |
12/30/2023 |
CAT1 |
Nitrate, Total (as NO3) Monthly Mean limit is 10 % and reported value was 12 % a |
Violation |
N |
eSMR |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
N |
1123547 |
12/12/2023 |
Surface Water |
Temperature not enough cooling towers were in service. The operations team has |
Violation |
N |
eSMR |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
N |
1123546 |
12/11/2023 |
Surface Water |
Temperature not enough cooling towers were in service. The operations team has |
Violation |
N |
eSMR |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
N |
1123545 |
12/05/2023 |
Surface Water |
Temperature not enough cooling towers were in service. The operations team has |
Violation |
N |
eSMR |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
N |
1123544 |
12/10/2023 |
Surface Water |
Temperature not enough cooling towers were in service. The operations team has |
Violation |
N |
eSMR |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
N |
1123543 |
12/04/2023 |
Surface Water |
Temperature not enough cooling towers were in service. The operations team has |
Violation |
N |
eSMR |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
N |
1123542 |
12/28/2023 |
Surface Water |
Temperature not enough cooling towers were in service. The operations team has |
Violation |
N |
eSMR |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
N |
1123541 |
12/20/2023 |
Surface Water |
Color The upgraded liquids treatment process does not use sodium hypochlorite f |
Violation |
N |
eSMR |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
N |
1123374 |
10/12/2023 |
Order Conditions |
Discharge of treated wastewater at an unapproved location |
Violation |
N |
Report |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
Y |
1123373 |
10/12/2023 |
Surface Water |
Discharge that increased the concentration of ammonia, an inorganic chemical, an |
Violation |
N |
Report |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
Y |
1123371 |
10/12/2023 |
Other Codes |
Discharge of effluent to that altered the quality of its waters to a degree that |
Violation |
N |
Report |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
Y |
1123370 |
10/12/2023 |
Surface Water |
Discharge of waste that caused concentrations of un-ionized ammonia to exceed 0. |
Violation |
N |
Report |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
Y |
1123369 |
10/12/2023 |
Surface Water |
Discharge of effluent containing toxic substances in concentrations toxic to aqu |
Violation |
N |
Report |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
Y |
1123107 |
11/07/2023 |
Surface Water |
Water The upgraded liquids treatment process does not use sodium hypochlorite fo |
Violation |
N |
eSMR |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
N |
1123106 |
11/25/2023 |
Surface Water |
Not enough cooling towers were in service. The operations team has been balancin |
Violation |
N |
eSMR |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
N |
1123105 |
11/24/2023 |
Surface Water |
Not enough cooling towers were in service. The operations team has been balancin |
Violation |
N |
eSMR |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
N |
1123104 |
11/22/2023 |
Surface Water |
Not enough cooling towers were in service. The operations team has been balancin |
Violation |
N |
eSMR |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
N |
1123103 |
11/13/2023 |
Surface Water |
Not enough cooling towers were in service. The operations team has been balancin |
Violation |
N |
eSMR |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
N |
1123102 |
11/29/2023 |
Surface Water |
Not enough cooling towers were in service. The operations team has been balancin |
Violation |
N |
eSMR |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
N |
1123101 |
11/26/2023 |
Surface Water |
Not enough cooling towers were in service. The operations team has been balancin |
Violation |
N |
eSMR |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
N |
1123100 |
11/20/2023 |
Surface Water |
Not enough cooling towers were in service. The operations team has been balancin |
Violation |
N |
eSMR |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
N |
1123099 |
11/11/2023 |
Surface Water |
Not enough cooling towers were in service. The operations team has been balancin |
Violation |
N |
eSMR |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
N |
1123098 |
11/23/2023 |
Surface Water |
Not enough cooling towers were in service. The operations team has been balancin |
Violation |
N |
eSMR |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
N |
1123097 |
11/19/2023 |
Surface Water |
Not enough cooling towers were in service. The operations team has been balancin |
Violation |
N |
eSMR |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
N |
1123096 |
11/12/2023 |
Surface Water |
Not enough cooling towers were in service. The operations team has been balancin |
Violation |
N |
eSMR |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
N |
1123095 |
11/07/2023 |
Surface Water |
Not enough cooling towers were in service. The operations team has been balancin |
Violation |
N |
eSMR |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
N |
1123094 |
11/15/2023 |
Surface Water |
Water The upgraded liquids treatment process does not use sodium hypochlorite fo |
Violation |
N |
eSMR |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
N |
1123093 |
11/30/2023 |
Surface Water |
Not enough cooling towers were in service. The operations team has been balancin |
Violation |
N |
eSMR |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
N |
1123092 |
11/28/2023 |
Surface Water |
Not enough cooling towers were in service. The operations team has been balancin |
Violation |
N |
eSMR |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
N |
1123091 |
11/27/2023 |
Surface Water |
Not enough cooling towers were in service. The operations team has been balancin |
Violation |
N |
eSMR |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
N |
1123090 |
11/09/2023 |
Surface Water |
Not enough cooling towers were in service. The operations team has been balancin |
Violation |
N |
eSMR |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
N |
1123089 |
11/17/2023 |
Surface Water |
Not enough cooling towers were in service. The operations team has been balancin |
Violation |
N |
eSMR |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
N |
1123088 |
11/16/2023 |
Surface Water |
Not enough cooling towers were in service. The operations team has been balancin |
Violation |
N |
eSMR |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
N |
1123087 |
11/15/2023 |
Surface Water |
Not enough cooling towers were in service. The operations team has been balancin |
Violation |
N |
eSMR |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
N |
1123086 |
11/14/2023 |
Surface Water |
Not enough cooling towers were in service. The operations team has been balancin |
Violation |
N |
eSMR |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
N |
1123085 |
11/05/2023 |
Surface Water |
Not enough cooling towers were in service. The operations team has been balancin |
Violation |
N |
eSMR |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
N |
1123084 |
11/04/2023 |
Surface Water |
Not enough cooling towers were in service. The operations team has been balancin |
Violation |
N |
eSMR |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
N |
1123083 |
11/08/2023 |
Surface Water |
Not enough cooling towers were in service. The operations team has been balancin |
Violation |
N |
eSMR |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
N |
1123082 |
11/06/2023 |
Surface Water |
Not enough cooling towers were in service. The operations team has been balancin |
Violation |
N |
eSMR |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
N |
1122851 |
11/01/2023 |
Surface Water |
The upgraded liquids treatment process does not use sodium hypochlorite for disi |
Violation |
N |
eSMR |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
N |
1122850 |
11/01/2023 |
Surface Water |
Not enough cooling towers were in service. The operations team has been balancin |
Violation |
N |
eSMR |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
N |
1122314 |
10/12/2023 |
Surface Water |
RSW-005 unionized ammonia as N was 1.42 mg/L on 10/12/23 at 10:00. Effluent - 0 |
Violation |
N |
eSMR |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
N |
1122313 |
10/04/2023 |
Surface Water |
RSW-005 exceeded RSW-004 true color units on 10/4/23 (19 units), 10/12/23 (28 co |
Violation |
N |
eSMR |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
N |
1122312 |
10/16/2023 |
Surface Water |
Receiving surface water temperature exceeded 22.5 degrees C at 14:40 on 10/16/23 |
Violation |
N |
eSMR |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
N |
1122311 |
10/29/2023 |
OEV |
pH Daily Maximum limit is 8.3 SU and reported value was 8.38 SU at EFF-001. |
Violation |
N |
eSMR |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
N |
1122310 |
10/25/2023 |
Surface Water |
Receiving surface water temperature exceeded 22.5 degrees C at 13:41 on 10/16/23 |
Violation |
N |
eSMR |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
N |
1121454 |
09/20/2023 |
Surface Water |
RSW-005, exceeded 22.5 Deg C, sample taken at 0948 9/20/23 had a recorded temper |
Violation |
N |
eSMR |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
N |
1121453 |
09/27/2023 |
Surface Water |
Unionized ammonia at RSW-005 was 0.0500 mg/L as N on 9/27/23 14:16. All aeratio |
Violation |
N |
eSMR |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
N |
1121452 |
09/06/2023 |
Surface Water |
The upgraded liquids treatment process does not use sodium hypochlorite for disi |
Violation |
N |
eSMR |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
N |
1120441 |
08/17/2023 |
OEV |
pH Instantaneous Maximum limit is 8.3 SU and reported value was 8.31 SU at EFF-0 |
Violation |
N |
eSMR |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
N |
1120440 |
08/04/2023 |
OEV |
pH Instantaneous Maximum limit is 8.3 SU and reported value was 8.40 SU at EFF-0 |
Violation |
N |
eSMR |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
N |
1119230 |
08/02/2023 |
Late Report |
Monthly SMR ( MONNPDES ) (NPDES Mon Rpt Monthly) report for June 2023 (2705561) |
Violation |
None |
Report |
San Luis Obispo WWTP |
399576 |
R3-2014-0033 |
N |
Report defaults to display violations within the last year. Click here to see last five years of violations. Refer to the Interactive Violation Report for more data.
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