Non-Compliance
Clean Water Act
SOUTH KINGSTOWN WWTF
Quick Summary
- •Currently out of compliance in at least one environmental program (CAA, CWA, or RCRA).
- •Assessed $0 in total penalties since records began.
- Address
-
275 WESTMORELAND STREET
NARRAGANSETT, RI 02882
View on map ↗ - County
- WASHINGTON County
- Industry
- Utilities
- NAICS (North American Industry Classification)
- 221320
- Inspections
- 15 · last May 28, 2025
- Total Penalties
- $0
- Registry ID
- 110002051902
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.
7
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 achieved late but reported | Dec 15, 2025 | — | Open |
| cwa | Schedule Event achieved late but reported | Dec 15, 2024 | — | Open |
| cwa | Wet-weather unanticipated prohibited bypass discharge to waters of the U.S. - endangerment | May 16, 2024 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 15, 2023 | — | Open |
| cwa | Schedule Event achieved late but reported | Oct 15, 2022 | — | Open |
| cwa | Schedule Event reported late | Jan 15, 2021 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 15, 2021 | — | Open |
| cwa | Schedule Event reported late | Jan 15, 2019 | — | Open |
| cwa | Schedule Event unachieved but reported | Jan 15, 2019 | Mar 25, 2019 | Resolved |
| cwa | Schedule Event achieved late but reported | Jan 15, 2019 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jan 15, 2019 | Mar 25, 2019 | Resolved |
| cwa | Schedule Event achieved late but reported | Oct 15, 2017 | — | Open |
| cwa | Schedule Event reported late | Oct 15, 2017 | — | Open |
| cwa | Schedule Event reported late | Jan 15, 2017 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 15, 2017 | — | Open |
| cwa | Schedule Event achieved late but reported | Oct 15, 2015 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 15, 2015 | — | Open |
| cwa | Schedule Event unachieved but reported | Jan 15, 2015 | Mar 5, 2015 | Resolved |
| cwa | Schedule Event unachieved and not reported | Jan 15, 2015 | Mar 5, 2015 | Resolved |
| cwa | Schedule Event reported late | Jan 15, 2015 | — | Open |
| cwa | Schedule Event achieved late but reported | Jul 15, 2014 | — | Open |
| cwa | Schedule Event achieved late but reported | Apr 15, 2014 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 15, 2014 | — | Open |
| cwa | Schedule Event unachieved but reported | Jan 15, 2013 | Jun 20, 2013 | Resolved |
| cwa | Schedule Event unachieved and not reported | Jan 15, 2013 | Jun 20, 2013 | Resolved |
| cwa | Schedule Event reported late | Jan 15, 2013 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 15, 2013 | — | Open |
| cwa | Schedule Event achieved late but reported | Oct 15, 2012 | — | Open |
| cwa | Pretreatment - Failure to Develop/Enforce Standards | Sep 19, 2012 | — | Open |
| cwa | Pretreatment - Failure to Establish Self-Monitoring Requirements | Sep 19, 2012 | — | Open |
| cwa | Pretreatment - Failure to Enforce Against I/U | Sep 19, 2012 | — | Open |
| cwa | Schedule Event achieved late but reported | Jul 15, 2012 | — | Open |
| cwa | Schedule Event achieved late but reported | Oct 15, 2011 | — | Open |
| cwa | Schedule Event achieved late but reported | Apr 15, 2011 | — | Open |
| cwa | Schedule Event achieved late but reported | Nov 15, 2010 | — | Open |
| cwa | Schedule Event achieved late but reported | Apr 15, 2010 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jan 15, 2009 | May 26, 2009 | Resolved |
| cwa | Schedule Event reported late | Jan 15, 2009 | — | Open |
| cwa | Schedule Event unachieved but reported | Jan 15, 2009 | May 26, 2009 | Resolved |
| cwa | Schedule Event achieved late but reported | Jan 15, 2009 | — | Open |
| cwa | Schedule Event achieved late but reported | Nov 15, 2008 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 15, 2008 | — | Open |
| cwa | Schedule Event achieved late but reported | Nov 15, 2007 | — | Open |
| cwa | Schedule Event unachieved but reported | Jul 15, 2007 | Sep 14, 2007 | Resolved |
| cwa | Schedule Event achieved late but reported | Jul 15, 2007 | — | Open |
| cwa | Schedule Event reported late | Jul 15, 2007 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jul 15, 2007 | Sep 14, 2007 | Resolved |
| cwa | Schedule Event achieved late but reported | Apr 15, 2007 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 15, 2007 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 15, 2006 | — | 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 |
|---|---|---|---|---|---|---|
| Enterococci | DMR, Limited - Numeric Violation | 1,210.00 MPN/100mL | 276.00 | +338% | Feb 2026 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 58.90 mg/L | 45.00 | +31% | Dec 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 166.00 mg/L | 50.00 | +232% | Dec 2025 | Open |
| LC50 Static Renewal 48Hr Acute Americamysis bahia (formerly Mysidopsis bahia) | DMR, Limited - Numeric Violation | 72.80 % | 100.00 | +27% | Dec 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 1,683.20 kg/d | 946.59 | +78% | Dec 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 88.40 mg/L | 45.00 | +96% | Dec 2025 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 82.20 mg/L | 50.00 | +64% | Dec 2025 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 30.20 mg/L | 30.00 | +1% | Nov 2025 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 81.80 mg/L | 50.00 | +64% | Nov 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 94.00 mg/L | 50.00 | +88% | Nov 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 79.50 mg/L | 50.00 | +59% | Aug 2025 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 52.20 mg/L | 50.00 | +4% | Aug 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 47.00 mg/L | 45.00 | +4% | Aug 2025 | Open |
| Enterococci | DMR, Limited - Numeric Violation | 24,000,000.00 MPN/100mL | 276.00 | +8,695,552% | Aug 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 58.00 mg/L | 50.00 | +16% | Oct 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 83.00 mg/L | 50.00 | +66% | May 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 2,055.62 kg/d | 946.59 | +117% | May 2024 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 2,030.88 kg/d | 946.59 | +115% | May 2024 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 82.00 mg/L | 50.00 | +64% | May 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 64.80 mg/L | 50.00 | +30% | Jan 2024 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 80.80 mg/L | 50.00 | +62% | Feb 2023 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 32.00 mg/L | 30.00 | +7% | Feb 2023 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 55.80 mg/L | 45.00 | +24% | Feb 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 63.60 mg/L | 45.00 | +41% | Feb 2023 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 82.48 % | 85.00 | +17% | Feb 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 1,268.61 kg/d | 946.59 | +34% | Feb 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 123.00 mg/L | 50.00 | +146% | Feb 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 34.90 mg/L | 30.00 | +16% | Feb 2023 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 57.40 mg/L | 50.00 | +15% | May 2022 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 57.80 mg/L | 50.00 | +16% | Sep 2020 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 67.40 mg/L | 50.00 | +35% | Jul 2020 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 59.50 mg/L | 50.00 | +19% | Jul 2020 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 2,192.46 kg/d | 946.59 | +132% | Jan 2020 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 84.14 % | 85.00 | +6% | Jan 2020 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 219.00 mg/L | 50.00 | +338% | Jan 2020 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 76.70 mg/L | 45.00 | +70% | Jan 2020 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 84.00 mg/L | 50.00 | +68% | Apr 2017 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 1,237.88 kg/d | 946.59 | +31% | Apr 2017 | Open |
| Enterococci | DMR, Limited - Numeric Violation | 363.40 MPN/100mL | 276.00 | +32% | Dec 2016 | Open |
| Enterococci | DMR, Limited - Numeric Violation | 1,862.30 MPN/100mL | 35.00 | +5,221% | Nov 2016 | Open |
| Enterococci | DMR, Limited - Numeric Violation | 24,000,000.00 MPN/100mL | 276.00 | +8,695,552% | Nov 2016 | Open |
| Enterococci | DMR, Limited - Numeric Violation | 24,000,000.00 MPN/100mL | 276.00 | +8,695,552% | Jul 2016 | Open |
| Enterococci | DMR, Limited - Numeric Violation | 24,000,000.00 MPN/100mL | 276.00 | +8,695,552% | Oct 2015 | Open |
| Enterococci | DMR, Limited - Numeric Violation | 39.00 MPN/100mL | 35.00 | +11% | Jul 2015 | Open |
| Enterococci | DMR, Limited - Numeric Violation | 24,000,000.00 MPN/100mL | 276.00 | +8,695,552% | Jul 2015 | Open |
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 Administrative Order of Consent
Clean Water Act
· Case RI-RIA-416 · May 29, 2012
State CWA Non Penalty AO
Clean Water Act
· Case RI-N00000298 · Jun 1, 1991
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