Non-Compliance
Clean Water Act
WARREN 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
-
427 WATER ST
WARREN, RI 02885
View on map ↗ - County
- BRISTOL County
- Industry
- Utilities
- NAICS (North American Industry Classification)
- 221320
- Inspections
- 15 · last Sep 23, 2025
- Total Penalties
- $0 · last Jan 6, 1998
- Registry ID
- 110000760739
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.
9
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 | Dry-weather unanticipated prohibited bypass discharge to waters of the U.S. - endangerment | May 8, 2025 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 15, 2025 | — | Open |
| cwa | Schedule Event reported late | Jan 15, 2025 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 15, 2025 | — | Open |
| cwa | Schedule Event achieved late but reported | Jul 15, 2024 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 15, 2024 | — | Open |
| cwa | Schedule Event achieved late but reported | Jul 15, 2023 | — | Open |
| cwa | Schedule Event reported late | Jul 15, 2023 | — | Open |
| cwa | Schedule Event unachieved but reported | Nov 15, 2022 | Dec 19, 2022 | Resolved |
| cwa | Schedule Event reported late | Nov 15, 2022 | — | Open |
| cwa | Schedule Event achieved late but reported | Nov 15, 2022 | — | Open |
| cwa | Schedule Event unachieved and not reported | Nov 15, 2022 | Dec 19, 2022 | Resolved |
| cwa | Schedule Event reported late | Jul 15, 2022 | — | Open |
| cwa | Schedule Event achieved late but reported | Jul 15, 2022 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 15, 2022 | — | Open |
| cwa | Schedule Event unachieved but reported | Jul 15, 2021 | Aug 18, 2021 | Resolved |
| cwa | Schedule Event unachieved and not reported | Jul 15, 2021 | Aug 18, 2021 | Resolved |
| cwa | Schedule Event achieved late but reported | Jul 15, 2021 | — | Open |
| cwa | Schedule Event reported late | Jul 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 reported late | Jan 15, 2021 | — | Open |
| cwa | Schedule Event reported late | Jan 15, 2021 | — | Open |
| cwa | Schedule Event reported late | Jul 15, 2020 | — | Open |
| cwa | Schedule Event achieved late but reported | Jul 15, 2020 | — | Open |
| cwa | Schedule Event unachieved but reported | Jan 15, 2020 | Mar 10, 2020 | Resolved |
| cwa | Schedule Event achieved late but reported | Jan 15, 2020 | — | Open |
| cwa | Schedule Event reported late | Jan 15, 2020 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jan 15, 2020 | Mar 10, 2020 | Resolved |
| cwa | Schedule Event reported late | Jan 1, 2020 | — | Open |
| cwa | Schedule Event achieved late but reported | Jul 15, 2019 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jul 15, 2019 | Sep 19, 2019 | Resolved |
| cwa | Schedule Event unachieved but reported | Jul 15, 2019 | Sep 19, 2019 | Resolved |
| cwa | Schedule Event reported late | Jul 15, 2019 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 15, 2019 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jan 15, 2019 | Mar 15, 2019 | Resolved |
| cwa | Schedule Event unachieved and not reported | Jan 15, 2019 | Mar 20, 2019 | Resolved |
| cwa | Schedule Event achieved late but reported | Jan 15, 2019 | — | Open |
| cwa | Schedule Event unachieved but reported | Jan 15, 2019 | Mar 15, 2019 | Resolved |
| cwa | Schedule Event reported late | Jan 15, 2019 | — | Open |
| cwa | Schedule Event unachieved but reported | Jan 15, 2019 | Mar 20, 2019 | Resolved |
| cwa | Schedule Event reported late | Jan 15, 2019 | — | Open |
| cwa | Schedule Event achieved late but reported | Dec 15, 2018 | — | Open |
| cwa | Schedule Event achieved late but reported | Jul 15, 2018 | — | Open |
| cwa | Schedule Event reported late | Jul 15, 2018 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 15, 2018 | — | Open |
| cwa | Schedule Event reported late | Jan 15, 2018 | — | Open |
| cwa | Schedule Event unachieved but reported | Jan 15, 2018 | Mar 22, 2018 | Resolved |
| cwa | Schedule Event unachieved and not reported | Jan 15, 2018 | Mar 22, 2018 | Resolved |
| cwa | Schedule Event achieved late but reported | Jan 15, 2018 | — | 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 |
|---|---|---|---|---|---|---|
| LC50 Static Renewal 48Hr Acute Americamysis bahia (formerly Mysidopsis bahia) | DMR, Limited - Numeric Violation | 63.00 % | 100.00 | +37% | Dec 2025 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 3.73 MGD | 3.43 | +9% | Mar 2024 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.28 mg/L | 0.27 | +6% | Dec 2023 | Open |
| Copper, total [as Cu] | DMR, Limited - Numeric Violation | 0.17 mg/L | 0.13 | +32% | Aug 2022 | Open |
| Copper, total [as Cu] | DMR, Limited - Numeric Violation | 0.17 mg/L | 0.04 | +328% | Aug 2022 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.36 mg/L | 0.27 | +35% | Apr 2022 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.38 mg/L | 0.27 | +40% | Dec 2021 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 446.28 kg/d | 380.45 | +17% | Dec 2019 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 48.00 mg/L | 29.30 | +64% | Dec 2019 | Open |
| Enterococci | DMR, Limited - Numeric Violation | 0.04 MPN/100mL | 0.04 | +11% | Sep 2019 | Open |
| Enterococci | DMR, Limited - Numeric Violation | 24,000.00 MPN/100mL | 0.28 | +8,695,552% | Sep 2019 | Open |
| Enterococci | DMR, Limited - Numeric Violation | 0.58 MPN/100mL | 0.28 | +110% | Jul 2019 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.30 mg/L | 0.27 | +13% | Jan 2019 | Open |
| Enterococci | DMR, Limited - Numeric Violation | 1.73 MPN/100mL | 0.28 | +528% | Jan 2019 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 3.59 MGD | 3.43 | +5% | Nov 2018 | Open |
| Enterococci | DMR, Limited - Numeric Violation | 0.60 MPN/100mL | 0.28 | +118% | Mar 2018 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 3.50 MGD | 3.43 | +2% | Mar 2018 | Open |
| Enterococci | DMR, Limited - Numeric Violation | 0.09 MPN/100mL | 0.04 | +157% | Mar 2018 | Open |
| Enterococci | DMR, Limited - Numeric Violation | 0.08 MPN/100mL | 0.04 | +126% | Feb 2018 | Open |
| Enterococci | DMR, Limited - Numeric Violation | 0.55 MPN/100mL | 0.28 | +99% | Feb 2018 | Open |
| Enterococci | DMR, Limited - Numeric Violation | 0.92 MPN/100mL | 0.28 | +234% | Apr 2017 | Open |
| Enterococci | DMR, Limited - Numeric Violation | 0.09 MPN/100mL | 0.04 | +146% | Apr 2017 | Open |
| Enterococci | DMR, Limited - Numeric Violation | 24,000.00 MPN/100mL | 0.28 | +8,695,552% | Apr 2016 | Open |
| Enterococci | DMR, Limited - Numeric Violation | 3,428.59 MPN/100mL | 0.04 | +9,795,880% | Apr 2016 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.44 mg/L | 0.27 | +65% | Mar 2015 | Open |
| Enterococci | DMR, Limited - Numeric Violation | 24,000.00 MPN/100mL | 0.28 | +8,695,552% | Mar 2015 | Open |
| Enterococci | DMR, Limited - Numeric Violation | 1,091.32 MPN/100mL | 0.04 | +3,117,963% | Mar 2015 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 385.90 kg/d | 380.45 | +1% | Mar 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-410 · Sep 30, 2011
State CWA Non Penalty AO
Clean Water Act
· Case RI-N00000355 · Oct 24, 2005
Civil Judicial Action
Clean Water Act
· Case RI-N00000048 · Jan 6, 1998
$125,000
Civil Judicial Action
Clean Water Act
· Case RI-N00000052 · Jan 6, 1998
Civil Judicial Action
Clean Water Act
· Case RI-N00000220 · Mar 30, 1995
State CWA Non Penalty AO
Clean Water Act
· Case RI-N00000191 · Mar 10, 1993
State CWA Non Penalty AO
Clean Water Act
· Case RI-N00000345 · Oct 19, 1991
CWA 309A AO For Compliance
Clean Water Act
· Case 01-1990-N034 · Dec 12, 1989
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· Retail Trade
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