Non-Compliance
Clean Water Act
RCRA
WOONSOCKET REGIONAL WASTEWATER TREATMENT FACILITY
Quick Summary
- •Currently out of compliance in at least one environmental program (CAA, CWA, or RCRA).
- •Assessed $20,000 in total penalties since records began.
- Address
-
11 CUMBERLAND HILL ROAD REAR
WOONSOCKET, RI 02895
View on map ↗ - County
- PROVIDENCE County
- Industry
- Manufacturing
- NAICS (North American Industry Classification)
- 332410
- Inspections
- 47 · last Jun 26, 2025
- Total Penalties
- $20,000 · last Mar 7, 2022
- Registry ID
- 110000574977
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
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 | Dry-weather unanticipated prohibited bypass discharge to waters of the U.S. - endangerment | Jul 1, 2025 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 15, 2025 | — | Open |
| cwa | PR: Failure to submit noncompliance report - CSO, SSO, or Bypass [40 CFR 122.41(l)(6) & (m)(3)(ii)] | Jan 7, 2025 | — | Open |
| cwa | Dry-weather unanticipated prohibited bypass discharge to waters of the U.S. - endangerment | Jan 1, 2025 | — | Open |
| cwa | Effluent Violations - Unauthorized Discharge | Mar 16, 2023 | — | Open |
| cwa | Effluent Violations - Numeric effluent violation | Mar 16, 2023 | — | Open |
| cwa | Management Practice Violations - Improper Operation and Maintenance | Mar 16, 2023 | — | Open |
| cwa | Management Practice Violations - Improper Operation and Maintenance | Mar 10, 2023 | — | Open |
| cwa | Effluent Violations - Unauthorized Discharge | Mar 10, 2023 | — | Open |
| cwa | Effluent Violations - Numeric effluent violation | Mar 10, 2023 | — | Open |
| cwa | Effluent Violations - Unauthorized Discharge | Mar 6, 2023 | — | Open |
| cwa | Effluent Violations - Numeric effluent violation | Mar 6, 2023 | — | Open |
| cwa | Management Practice Violations - Improper Operation and Maintenance | Mar 6, 2023 | — | Open |
| cwa | Management Practice Violations - Improper Operation and Maintenance | Mar 1, 2023 | — | Open |
| cwa | Effluent Violations - Unauthorized Discharge | Mar 1, 2023 | — | Open |
| cwa | Effluent Violations - Numeric effluent violation | Mar 1, 2023 | — | Open |
| cwa | Management Practice Violations - Improper Operation and Maintenance | Feb 20, 2023 | — | Open |
| cwa | Effluent Violations - Unauthorized Discharge | Feb 20, 2023 | — | Open |
| cwa | Management Practice Violations - Improper Operation and Maintenance | Jan 30, 2023 | — | Open |
| cwa | Effluent Violations - Unauthorized Discharge | Jan 30, 2023 | — | Open |
| cwa | Biosolids: Other Management Practice Violation | Jan 30, 2023 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 15, 2023 | — | Open |
| cwa | Biosolids: Other Management Practice Violation | Dec 1, 2022 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jul 4, 2022 | Aug 4, 2022 | Resolved |
| cwa | Biosolids: Other Management Practice Violation | Jun 13, 2022 | — | Open |
| cwa | Management Practice Violations - Improper Operation and Maintenance | Jun 13, 2022 | — | Open |
| cwa | Biosolids: Other Management Practice Violation | Jun 10, 2022 | — | Open |
| cwa | Management Practice Violations - Improper Operation and Maintenance | Jun 10, 2022 | — | Open |
| cwa | Effluent Violations - Numeric effluent violation | Jun 10, 2022 | — | Open |
| cwa | Effluent Violations - Numeric effluent violation | Jun 8, 2022 | — | Open |
| cwa | Management Practice Violations - Improper Operation and Maintenance | Jun 8, 2022 | — | Open |
| cwa | Biosolids: Other Management Practice Violation | Jun 8, 2022 | — | Open |
| cwa | Effluent Violations - Numeric effluent violation | Jun 7, 2022 | — | Open |
| cwa | Management Practice Violations - Improper Operation and Maintenance | Jun 7, 2022 | — | Open |
| cwa | Biosolids: Other Management Practice Violation | Jun 7, 2022 | — | Open |
| cwa | Biosolids: Other Management Practice Violation | Jun 6, 2022 | — | Open |
| cwa | Effluent Violations - Numeric effluent violation | Jun 6, 2022 | — | Open |
| cwa | Management Practice Violations - Improper Operation and Maintenance | Jun 6, 2022 | — | Open |
| cwa | Reporting Violations - Failure to Notify | Mar 25, 2022 | — | Open |
| cwa | Management Practice Violations - Improper Operation and Maintenance | Mar 25, 2022 | — | Open |
| cwa | Effluent Violations - Unapproved Bypass | Mar 25, 2022 | — | Open |
| cwa | Permit Violations - Unapproved Operation | Mar 25, 2022 | — | Open |
| cwa | Effluent Violations - Numeric effluent violation | Mar 25, 2022 | — | Open |
| cwa | Permit Violations - Unapproved Operation | Mar 24, 2022 | — | Open |
| cwa | Reporting Violations - Failure to Notify | Mar 24, 2022 | — | Open |
| cwa | Effluent Violations - Unapproved Bypass | Mar 24, 2022 | — | Open |
| cwa | Management Practice Violations - Improper Operation and Maintenance | Mar 24, 2022 | — | Open |
| cwa | Effluent Violations - Numeric effluent violation | Mar 24, 2022 | — | Open |
| cwa | Permit Violations - Unapproved Operation | Mar 23, 2022 | — | Open |
| cwa | Reporting Violations - Failure to Notify | Mar 23, 2022 | — | 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 |
|---|---|---|---|---|---|---|
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 4.92 mg/L | 3.00 | +64% | Oct 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2.57 mg/L | 2.00 | +29% | Oct 2025 | Open |
| Copper, total [as Cu] | DMR, Limited - Numeric Violation | 0.18 mg/L | 0.03 | +517% | Oct 2025 | Open |
| Copper, total [as Cu] | DMR, Limited - Numeric Violation | 0.02 mg/L | 0.02 | +4% | Oct 2025 | Open |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 3.67 mg/L | 3.00 | +22% | Aug 2025 | Open |
| Enterococci | DMR, Limited - Numeric Violation | 870.00 MPN/100mL | 175.00 | +397% | Jul 2025 | Open |
| Enterococci | DMR, Limited - Numeric Violation | 770.00 MPN/100mL | 175.00 | +340% | Jun 2025 | Open |
| Copper, total [as Cu] | DMR, Limited - Numeric Violation | 0.06 mg/L | 0.03 | +105% | Jan 2025 | Open |
| Lead, total [as Pb] | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.01 | +131% | Nov 2024 | Open |
| Lead, total [as Pb] | DMR, Limited - Overdue | 0.01 mg/L | 0.01 | +131% | Nov 2024 | Resolved |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 0.23 mg/L | 0.10 | +130% | Oct 2024 | Resolved |
| Enterococci | DMR, Limited - Numeric Violation | 488.00 MPN/100mL | 175.00 | +179% | Oct 2024 | Open |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 3.56 mg/L | 3.00 | +19% | Sep 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2.60 mg/L | 2.00 | +30% | Sep 2024 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 0.29 mg/L | 0.10 | +190% | Sep 2024 | Resolved |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 0.23 mg/L | 0.10 | +130% | Aug 2024 | Resolved |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 1,670.00 MPN/100mL | 400.00 | +318% | Aug 2024 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 0.20 mg/L | 0.10 | +100% | Jul 2024 | Resolved |
| Enterococci | DMR, Limited - Numeric Violation | 181.00 MPN/100mL | 175.00 | +3% | Jun 2024 | Open |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 3.48 mg/L | 3.00 | +16% | May 2024 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 0.13 mg/L | 0.10 | +29% | May 2024 | Resolved |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 14.08 mg/L | 10.00 | +41% | Apr 2024 | Open |
| Copper, total [as Cu] | DMR, Limited - Numeric Violation | 0.16 mg/L | 0.03 | +434% | Apr 2024 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 0.17 mg/L | 0.10 | +74% | Apr 2024 | Resolved |
| Enterococci | DMR, Limited - Numeric Violation | 2,760.00 MPN/100mL | 175.00 | +1,477% | Apr 2024 | Open |
| Copper, total [as Cu] | DMR, Limited - Numeric Violation | 0.03 mg/L | 0.02 | +18% | Apr 2024 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.77 mg/L | 0.10 | +694% | Apr 2024 | Open |
| Enterococci | DMR, Limited - Numeric Violation | 24,000,000.00 MPN/100mL | 175.00 | +13,714,186% | Jan 2024 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 1,730.00 MPN/100mL | 400.00 | +333% | Jan 2024 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 1.30 mg/L | 1.00 | +30% | Dec 2023 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.22 mg/L | 0.10 | +125% | Dec 2023 | Open |
| Enterococci | DMR, Limited - Numeric Violation | 579.00 MPN/100mL | 175.00 | +231% | Dec 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 57.00 mg/L | 50.00 | +14% | May 2023 | Open |
| Enterococci | DMR, Limited - Numeric Violation | 554.00 MPN/100mL | 175.00 | +217% | Mar 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 34.60 mg/L | 15.00 | +131% | Feb 2023 | Open |
| Enterococci | DMR, Limited - Numeric Violation | 1,010.00 MPN/100mL | 175.00 | +477% | Feb 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 48.00 mg/L | 45.00 | +7% | Feb 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 90.00 mg/L | 50.00 | +80% | Feb 2023 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 1.20 mg/L | 1.00 | +20% | Feb 2023 | Open |
| Enterococci | DMR, Limited - Numeric Violation | 120.00 MPN/100mL | 54.00 | +122% | Dec 2022 | Open |
| Enterococci | DMR, Limited - Numeric Violation | 24,000,000.00 MPN/100mL | 175.00 | +13,714,186% | Dec 2022 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 24.00 mg/L | 15.00 | +60% | Jun 2022 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 18.00 mg/L | 15.00 | +20% | Jun 2022 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 32.00 mg/L | 17.00 | +88% | Jun 2022 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 89.00 mg/L | 20.00 | +345% | Jun 2022 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 3,961.15 kg/d | 1,514.09 | +162% | Jun 2022 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 180.00 mg/L | 25.00 | +620% | Jun 2022 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 0.50 mg/L | 0.10 | +400% | Jun 2022 | Resolved |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 4.30 mg/L | 3.00 | +43% | Jun 2022 | Open |
| Enterococci | DMR, Limited - Numeric Violation | 3,880.00 MPN/100mL | 175.00 | +2,117% | Jun 2022 | 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-OCI-WP-17-15 CA · Mar 7, 2022
$20,000
State CWA Penalty AO
Clean Water Act
· Case RI-OCI-WP-17-132 · Jul 10, 2018
$43,750
State CWA Penalty AO
Clean Water Act
· Case RI-OCI-WP-17-15 · Jul 10, 2018
$175,000
State CWA Penalty AO
Clean Water Act
· Case RI-WP-17-92 · Jan 3, 2018
$25,383
State CWA Penalty AO
Clean Water Act
· Case RI-WP/07-06 · Feb 27, 2009
$95,000
State Administrative Order of Consent
Clean Water Act
· Case RI-RIA-368 · Jul 1, 2008
Administrative - Formal
· Case 01-2007-2050 · Aug 3, 2007
State CWA Penalty AO
Clean Water Act
· Case RI-N00000361 · Aug 8, 2006
$31,000
State Administrative Order of Consent
Clean Water Act
· Case RI-wp0504 · Aug 3, 2006
Civil Judicial Action
Clean Water Act
· Case RI-N00000309 · Sep 30, 2001
State CWA Penalty AO
Clean Water Act
· Case RI-N00000182 · Jun 30, 2001
Civil Judicial Action
Clean Water Act
· Case RI-N00000187 · May 19, 2000
State CWA Non Penalty AO
Clean Water Act
· Case RI-N00000044 · Dec 5, 1996
Administrative - Formal
· Case 01-1995-0013 · May 19, 1995
$75,000
CWA 309G2B AO For Class II Penalties
Clean Water Act
· Case 01-1995-N032 · May 18, 1995
State CWA Non Penalty AO
Clean Water Act
· Case RI-N00000186 · May 17, 1995
Civil Judicial Action
Clean Water Act
· Case 01-1995-N033 · Dec 6, 1994
State CWA Non Penalty AO
Clean Water Act
· Case RI-N00000192 · Jul 8, 1993
State CWA Non Penalty AO
Clean Water Act
· Case RI-N00000323 · Jun 5, 1991
CWA 309A AO For Compliance
Clean Water Act
· Case 01-1991-N054 · May 31, 1991
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