Non-Compliance
Clean Water Act
CITY OF ST. HELENA WASTEWATER & RECLAMATION PLANT
Quick Summary
- •Currently out of compliance in at least one environmental program (CAA, CWA, or RCRA).
- •Assessed $147,000 in total penalties since records began.
- Address
-
#1 CHAIX LANE
SAINT HELENA, CA 94574
View on map ↗ - County
- NAPA County
- Industry
- Utilities
- NAICS (North American Industry Classification)
- 221320
- Inspections
- 2 · last Jun 24, 2025
- Total Penalties
- $147,000 · last Mar 30, 2023
- Registry ID
- 110000516950
Compliance Status (Last 12 Quarters)
Number of calendar quarters, out of the last 12, in which this facility was in violation of its permit. Zero means no recorded violations in that program over the past three years.
12
Water (CWA)
Qtrs Non-Compliant
Qtrs Non-Compliant
Compliance Violations
Individual permit violations recorded by the EPA across air, water, and hazardous waste programs. Open violations are unresolved as of the most recent ECHO data update.
| Program | Type | Violation Date | Return to Compliance | Status |
|---|---|---|---|---|
| cwa | Schedule Event unachieved and not reported | Mar 1, 2023 | May 31, 2023 | Resolved |
| cwa | Monitoring Violations - Improper Analysis or Lab Error | Dec 31, 2019 | May 19, 2020 | Resolved |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | Sep 6, 1999 | — | Open |
Discharge Limit Exceedances
Instances where this facility's reported discharge monitoring results exceeded its permitted limits under the Clean Water Act. Exceedance percentage shows how far over the permit limit the discharge was.
| Pollutant | Violation | Reported | Limit | Exceedance | Period | Status |
|---|---|---|---|---|---|---|
| Coliform, total general | DMR, Limited - Numeric Violation | 1,600.00 MPN/100mL | 240.00 | +99,999% | Apr 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 19.00 mg/L | 15.00 | +27% | Mar 2025 | Open |
| Copper, total recoverable | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.01 | +17% | Mar 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 38.00 mg/L | 20.00 | +90% | Feb 2025 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 34.00 mg/L | 25.00 | +36% | Feb 2025 | Open |
| Coliform, total general | DMR, Limited - Numeric Violation | 240.00 MPN/100mL | 23.00 | +943% | Feb 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 16.50 mg/L | 15.00 | +10% | Feb 2025 | Open |
| Coliform, total general | DMR, Limited - Numeric Violation | 1,600.00 MPN/100mL | 240.00 | +99,999% | Feb 2025 | Open |
| Coliform, total general | DMR, Limited - Numeric Violation | 1,600.00 MPN/100mL | 240.00 | +99,999% | Dec 2024 | Open |
| Copper, total recoverable | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.01 | +8% | Nov 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 24.00 mg/L | 20.00 | +20% | Nov 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 24.00 mg/L | 15.00 | +60% | Nov 2024 | Open |
| Coliform, total general | DMR, Limited - Numeric Violation | 33.00 MPN/100mL | 23.00 | +43% | Nov 2024 | Open |
| Coliform, total general | DMR, Limited - Numeric Violation | 1,600.00 MPN/100mL | 240.00 | +99,999% | Apr 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 41.70 mg/L | 15.00 | +178% | Apr 2024 | Resolved |
| Coliform, total general | DMR, Limited - Numeric Violation | 130.00 MPN/100mL | 23.00 | +465% | Apr 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 47.00 mg/L | 20.00 | +135% | Apr 2024 | Open |
| Coliform, total general | DMR, Limited - Numeric Violation | 49.00 MPN/100mL | 23.00 | +113% | Mar 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 23.75 mg/L | 15.00 | +58% | Mar 2024 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 19.00 mg/L | 16.00 | +19% | Mar 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 30.00 mg/L | 20.00 | +50% | Mar 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 15.70 mg/L | 7.80 | +101% | Mar 2024 | Open |
| Coliform, total general | DMR, Limited - Numeric Violation | 1,600.00 MPN/100mL | 240.00 | +567% | Mar 2024 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 29.00 mg/L | 25.00 | +16% | Feb 2024 | Open |
| Coliform, total general | DMR, Limited - Numeric Violation | 110.00 MPN/100mL | 23.00 | +378% | Feb 2024 | Open |
| Coliform, total general | DMR, Limited - Numeric Violation | 1,600.00 MPN/100mL | 240.00 | +567% | Feb 2024 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 83.70 % | 85.00 | +9% | Jan 2024 | Open |
| Coliform, total general | DMR, Limited - Numeric Violation | 350.00 MPN/100mL | 240.00 | +46% | Jan 2024 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 21.80 mg/L | 15.00 | +45% | Jan 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 28.30 mg/L | 15.00 | +89% | Jan 2024 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 36.00 mg/L | 20.00 | +80% | Jan 2024 | Open |
| Coliform, total general | DMR, Limited - Numeric Violation | 220.00 MPN/100mL | 23.00 | +857% | Jan 2024 | Open |
| Copper, total recoverable | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.01 | +69% | Jan 2024 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 31.50 mg/L | 15.00 | +110% | Mar 2023 | Resolved |
| Coliform, total general | DMR, Limited - Numeric Violation | 1,600.00 MPN/100mL | 23.00 | +99,999% | Mar 2023 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 81.10 % | 85.00 | +26% | Mar 2023 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 46.00 mg/L | 25.00 | +84% | Mar 2023 | Open |
| Coliform, total general | DMR, Limited - Numeric Violation | 1,600.00 MPN/100mL | 240.00 | +99,999% | Mar 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 44.75 mg/L | 15.00 | +198% | Mar 2023 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 56.00 mg/L | 20.00 | +180% | Mar 2023 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 35.00 mg/L | 15.00 | +133% | Jan 2023 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 25.00 mg/L | 20.00 | +25% | Jan 2023 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 47.00 mg/L | 25.00 | +88% | Jan 2023 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 70.20 % | 85.00 | +99% | Jan 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 25.00 mg/L | 15.00 | +67% | Jan 2023 | Resolved |
| Copper, total recoverable | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.01 | +33% | Jan 2023 | Open |
| Copper, total recoverable | DMR, Limited - Numeric Violation | 0.03 mg/L | 0.01 | +79% | Jan 2023 | Open |
| Solids, total suspended | DMR, Limited - Overdue | 35.00 mg/L | 15.00 | +133% | Feb 2022 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 35.00 mg/L | 15.00 | +133% | Feb 2022 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Overdue | 36.00 mg/L | 25.00 | +44% | Feb 2022 | Resolved |
Enforcement Actions
Formal enforcement cases brought by the EPA or state agencies, including administrative orders and civil penalties assessed. Penalty amounts reflect what was formally assessed, not necessarily what was collected.
State CWA Penalty AO
Clean Water Act
· Case CA-CFEA449439 · Mar 30, 2023
$147,000
State CWA Penalty AO
Clean Water Act
· Case CA-CFEA433398 · May 14, 2020
$57,000
State CWA Penalty AO
Clean Water Act
· Case CA-CFEA415936 · Sep 14, 2018
$21,000
State CWA Non Penalty AO
Clean Water Act
· Case CA-2016-1005 · Jan 13, 2016
State CWA Penalty AO
Clean Water Act
· Case CA-2016-1018 · Nov 6, 2015
$290,177
State CWA Penalty AO
Clean Water Act
· Case CA-2014-1037 · Apr 2, 2014
$6,000
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