Non-Compliance
Clean Water Act
RCRA
WESTERLY WASTEWATER TREATMENT FACILITY
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
-
87 MARGIN STREET
WESTERLY, RI 02891
View on map ↗ - County
- WASHINGTON County
- Industry
- Utilities
- NAICS (North American Industry Classification)
- 221320
- Inspections
- 12 · last Jun 21, 2024
- Total Penalties
- $0 · last Jun 9, 2010
- Registry ID
- 110009439722
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
0
Hazardous Waste (RCRA)
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 | Mar 4, 2025 | — | Open |
| cwa | Wet-weather unanticipated prohibited bypass discharge to waters of the U.S. - endangerment | Jun 6, 2024 | — | Open |
| cwa | Wet-weather unanticipated prohibited bypass discharge to waters of the U.S. - endangerment | Jun 6, 2024 | — | Open |
| cwa | Wet-weather unanticipated prohibited bypass discharge to waters of the U.S. - endangerment | May 16, 2024 | — | Open |
| cwa | Wet-weather unanticipated prohibited bypass discharge to waters of the U.S. - endangerment | Apr 3, 2024 | — | Open |
| cwa | Wet-weather unanticipated prohibited bypass discharge to waters of the U.S. - endangerment | Mar 29, 2024 | — | Open |
| cwa | Wet-weather unanticipated prohibited bypass discharge to waters of the U.S. - endangerment | Mar 9, 2024 | — | Open |
| cwa | Wet-weather unanticipated prohibited bypass discharge to waters of the U.S. - endangerment | Mar 7, 2024 | — | Open |
| cwa | Schedule Event achieved late but reported | Jul 15, 2023 | — | Open |
| cwa | Schedule Event achieved late but reported | Jul 15, 2023 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 15, 2023 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 15, 2023 | — | Open |
| cwa | Schedule Event reported late | Jan 15, 2023 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 15, 2023 | — | Open |
| cwa | Schedule Event reported late | Oct 1, 2022 | — | Open |
| cwa | Schedule Event unachieved but reported | Oct 1, 2022 | Jan 12, 2023 | Resolved |
| cwa | Schedule Event achieved late but reported | Oct 1, 2022 | — | Open |
| cwa | Schedule Event unachieved and not reported | Oct 1, 2022 | Jan 12, 2023 | Resolved |
| cwa | Schedule Event unachieved and not reported | Jul 15, 2022 | Dec 14, 2022 | Resolved |
| cwa | Schedule Event unachieved but reported | Jul 15, 2022 | Dec 14, 2022 | Resolved |
| cwa | Schedule Event achieved late but reported | Jul 15, 2022 | — | Open |
| cwa | Schedule Event unachieved but reported | Jul 15, 2022 | Dec 14, 2022 | Resolved |
| cwa | Schedule Event achieved late but reported | Jul 15, 2022 | — | Open |
| cwa | Schedule Event reported late | Jul 15, 2022 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jul 15, 2022 | Dec 14, 2022 | Resolved |
| cwa | Schedule Event reported late | Jul 15, 2022 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 15, 2022 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jan 15, 2021 | Feb 19, 2021 | Resolved |
| cwa | Schedule Event reported late | Jan 15, 2021 | — | Open |
| cwa | Schedule Event unachieved but reported | Jan 15, 2021 | Feb 19, 2021 | Resolved |
| cwa | Schedule Event reported late | Jan 15, 2021 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 15, 2021 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 15, 2021 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jan 15, 2021 | Feb 19, 2021 | Resolved |
| cwa | Schedule Event unachieved but reported | Jan 15, 2021 | Feb 19, 2021 | Resolved |
| cwa | Schedule Event achieved late but reported | Jul 15, 2018 | — | Open |
| cwa | Schedule Event achieved late but reported | Jul 15, 2018 | — | Open |
| cwa | Schedule Event achieved late but reported | Mar 15, 2017 | — | Open |
| cwa | Pretreatment - Failure to Meet Inspection and Sampling Plan for SIUs | Feb 23, 2017 | — | Open |
| cwa | Pretreatment - Failure to Develop/Enforce Standards | Feb 23, 2017 | — | Open |
| cwa | Pretreatment - Failure to Establish Self-Monitoring Requirements | Feb 23, 2017 | — | Open |
| cwa | Schedule Event reported late | Jan 15, 2017 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jan 15, 2017 | Jul 5, 2017 | Resolved |
| cwa | Schedule Event reported late | Jan 15, 2017 | — | Open |
| cwa | Schedule Event unachieved but reported | Jan 15, 2017 | Jul 5, 2017 | Resolved |
| cwa | Schedule Event achieved late but reported | Jan 15, 2017 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jan 15, 2017 | Mar 6, 2017 | Resolved |
| cwa | Schedule Event reported late | Jan 15, 2017 | — | Open |
| cwa | Schedule Event unachieved but reported | Jan 15, 2017 | Mar 6, 2017 | Resolved |
| cwa | Schedule Event achieved late but reported | Jan 15, 2017 | — | 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 |
|---|---|---|---|---|---|---|
| Copper, total [as Cu] | DMR, Limited - Numeric Violation | 0.03 mg/L | 0.02 | +13% | Oct 2025 | Open |
| Enterococci | DMR, Limited - Numeric Violation | 345.00 MPN/100mL | 276.00 | +25% | Jun 2024 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 3.54 MGD | 3.30 | +7% | Apr 2024 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 4.06 MGD | 3.30 | +23% | Mar 2024 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 3.70 MGD | 3.30 | +12% | Jan 2024 | Open |
| Copper, total [as Cu] | DMR, Limited - Numeric Violation | 0.03 mg/L | 0.02 | +30% | Feb 2023 | Open |
| Cyanide, total [as CN] | DMR, Limited - Overdue | 0.02 mg/L | 0.01 | +100% | Jan 2021 | Resolved |
| Cyanide, total [as CN] | DMR, Limited - Numeric Violation | 0.02 mg/L | 0.01 | +100% | Jan 2021 | Open |
| Cyanide, total [as CN] | DMR, Limited - Overdue | 0.03 mg/L | 0.01 | +200% | Jan 2021 | Resolved |
| Cyanide, total [as CN] | DMR, Limited - Numeric Violation | 0.03 mg/L | 0.01 | +200% | Jan 2021 | Open |
| Copper, total [as Cu] | DMR, Limited - Numeric Violation | 0.02 mg/L | 0.02 | +4% | Nov 2020 | Open |
| Copper, total [as Cu] | DMR, Limited - Numeric Violation | 0.03 mg/L | 0.02 | +9% | Jan 2019 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 3.82 MGD | 3.30 | +16% | Jan 2019 | Open |
| Cyanide, total [as CN] | DMR, Limited - Numeric Violation | 0.02 mg/L | 0.01 | +100% | Jan 2019 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 3.52 MGD | 3.30 | +7% | Nov 2018 | Open |
| Enterococci | DMR, Limited - Numeric Violation | 1,730.00 MPN/100mL | 276.00 | +527% | Aug 2018 | Open |
| Enterococci | DMR, Limited - Numeric Violation | 1,010.00 MPN/100mL | 276.00 | +266% | Jul 2018 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 4.14 MGD | 3.30 | +25% | Mar 2018 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 3.65 MGD | 3.30 | +11% | Feb 2018 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.50 mg/L | 0.07 | +669% | Nov 2017 | Open |
| Copper, total [as Cu] | DMR, Limited - Numeric Violation | 0.02 mg/L | 0.02 | +4% | Jul 2017 | Open |
| Cyanide, total [as CN] | DMR, Limited - Numeric Violation | 0.07 mg/L | 0.01 | +615% | Jun 2017 | Resolved |
| Cyanide, total [as CN] | DMR, Limited - Numeric Violation | 0.13 mg/L | 0.01 | +1,200% | Jun 2017 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 3.56 MGD | 3.30 | +8% | Apr 2017 | Open |
| Cyanide, total [as CN] | DMR, Limited - Numeric Violation | 0.04 mg/L | 0.01 | +300% | Apr 2017 | Open |
| Cyanide, total [as CN] | DMR, Limited - Numeric Violation | 0.02 mg/L | 0.01 | +125% | Apr 2017 | Resolved |
| Cyanide, total [as CN] | DMR, Limited - Numeric Violation | 0.06 mg/L | 0.01 | +500% | Mar 2017 | Open |
| Cyanide, total [as CN] | DMR, Limited - Numeric Violation | 0.03 mg/L | 0.01 | +243% | Mar 2017 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 57.00 mg/L | 50.00 | +14% | Feb 2017 | Open |
| Cyanide, total [as CN] | DMR, Limited - Numeric Violation | 0.15 mg/L | 0.01 | +1,400% | Dec 2016 | Open |
| Cyanide, total [as CN] | DMR, Limited - Numeric Violation | 0.08 mg/L | 0.01 | +700% | Dec 2016 | Resolved |
| Enterococci | DMR, Limited - Numeric Violation | 24,000,000.00 MPN/100mL | 276.00 | +8,695,552% | Aug 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 | 160.00 MPN/100mL | 35.00 | +357% | Jul 2016 | Open |
| Copper, total [as Cu] | DMR, Limited - Numeric Violation | 0.03 mg/L | 0.02 | +39% | Jul 2016 | Open |
| Enterococci | DMR, Limited - Numeric Violation | 24,000,000.00 MPN/100mL | 276.00 | +8,695,552% | Jun 2016 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 12.72 mg/L | 5.50 | +131% | May 2016 | Open |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 16.60 mg/L | 15.00 | +11% | May 2016 | Open |
| Enterococci | DMR, Limited - Numeric Violation | 24,000,000.00 MPN/100mL | 276.00 | +8,695,552% | Mar 2016 | Open |
| Enterococci | DMR, Limited - Numeric Violation | 24,000,000.00 MPN/100mL | 276.00 | +8,695,552% | Feb 2016 | Open |
| Enterococci | DMR, Limited - Numeric Violation | 16,000.00 MPN/100mL | 35.00 | +45,614% | Dec 2015 | Open |
| Enterococci | DMR, Limited - Numeric Violation | 24,000,000.00 MPN/100mL | 276.00 | +8,695,552% | Dec 2015 | Open |
| Enterococci | DMR, Limited - Numeric Violation | 24,000,000.00 MPN/100mL | 276.00 | +8,695,552% | Sep 2015 | Open |
| Enterococci | DMR, Limited - Numeric Violation | 1,714,287.00 MPN/100mL | 35.00 | +4,897,863% | Sep 2015 | Open |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 16.30 mg/L | 15.00 | +9% | May 2015 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 11.50 mg/L | 5.50 | +109% | May 2015 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 1,550.64 kg/d | 624.70 | +148% | Mar 2015 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 110.00 mg/L | 50.00 | +120% | Mar 2015 | Open |
| Cyanide, total [as CN] | DMR, Limited - Numeric Violation | 0.05 mg/L | 0.01 | +420% | Jan 2015 | Resolved |
| Cyanide, total [as CN] | DMR, Limited - Numeric Violation | 0.05 mg/L | 0.01 | +420% | Jan 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-435 · Dec 6, 2021
State CWA Penalty AO
Clean Water Act
· Case RI-NOV WP10-030 · Jun 9, 2010
$10,000
Administrative - Formal
· Case 01-2010-2035 · Apr 26, 2010
$3,000
Civil Judicial Action
Clean Water Act
· Case RI-N00000466 · Mar 7, 2003
State Administrative Order of Consent
Clean Water Act
· Case RI-N00000268 · Jan 6, 1999
State Administrative Order of Consent
Clean Water Act
· Case RI-N00000288 · Oct 22, 1998
Civil Judicial Action
Clean Water Act
· Case RI-N00000292 · Oct 22, 1998
State CWA Non Penalty AO
Clean Water Act
· Case RI-N00000092 · Jan 29, 1991
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