Non-Compliance
Clean Air Act
Clean Water Act
RCRA
NASHUA WWTP
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
-
2 SAWMILL RD
NASHUA, NH 03060
View on map ↗ - County
- HILLSBOROUGH County
- Industry
- Utilities
- NAICS (North American Industry Classification)
- 22132
- Inspections
- 4 · last Aug 4, 2025
- Total Penalties
- $0
- Registry ID
- 110007686110
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.
1
Air (CAA)
Qtrs Non-Compliant
Qtrs Non-Compliant
11
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 SSO discharge to waters of the U.S. that may endanger health or the environment | Dec 28, 2025 | — | Open |
| cwa | Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | Nov 25, 2025 | — | Open |
| cwa | Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | Nov 24, 2025 | — | Open |
| cwa | Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | Nov 17, 2025 | — | Open |
| cwa | Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | Oct 27, 2025 | — | Open |
| cwa | Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | Sep 10, 2025 | — | Open |
| cwa | PR: Failure to submit noncompliance report - CSO, SSO, or Bypass [40 CFR 122.41(l)(6) & (m)(3)(ii)] | Aug 25, 2025 | — | Open |
| cwa | Dry-weather SSO discharge to waters of the U.S. that may endanger health or the environment | Aug 19, 2025 | — | Open |
| caa | FRV | Apr 17, 2025 | — | Open |
| caa | FRV | Jan 2, 2020 | — | Open |
| cwa | Schedule Event reported late | Oct 15, 2005 | — | Open |
| cwa | Schedule Event achieved late but reported | Oct 15, 2005 | — | Open |
| cwa | Schedule Event unachieved but reported | Oct 15, 2005 | Dec 31, 2013 | Resolved |
| cwa | Schedule Event unachieved and not reported | Oct 15, 2005 | Dec 31, 2013 | Resolved |
| cwa | Schedule Event unachieved and not reported | Jul 1, 2005 | Dec 31, 2013 | Resolved |
| cwa | Schedule Event unachieved but reported | Jul 1, 2005 | Dec 31, 2013 | Resolved |
| cwa | Schedule Event achieved late but reported | Jul 1, 2005 | — | Open |
| cwa | Schedule Event reported late | Jul 1, 2005 | — | Open |
| cwa | Schedule Event reported late | Feb 1, 2005 | — | Open |
| cwa | Schedule Event unachieved and not reported | Feb 1, 2005 | Dec 31, 2013 | Resolved |
| cwa | Schedule Event unachieved and not reported | Feb 1, 2005 | Dec 31, 2013 | Resolved |
| cwa | Schedule Event achieved late but reported | Feb 1, 2005 | — | Open |
| cwa | Schedule Event achieved late but reported | Feb 1, 2005 | — | Open |
| cwa | Schedule Event unachieved but reported | Feb 1, 2005 | Dec 31, 2013 | Resolved |
| cwa | Schedule Event reported late | Feb 1, 2005 | — | Open |
| cwa | Schedule Event unachieved but reported | Feb 1, 2005 | Dec 31, 2013 | Resolved |
| cwa | Schedule Event unachieved but reported | Jan 15, 2005 | Dec 31, 2013 | Resolved |
| cwa | Schedule Event reported late | Jan 15, 2005 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jan 15, 2005 | Dec 31, 2013 | Resolved |
| cwa | Schedule Event achieved late but reported | Jan 15, 2005 | — | Open |
| cwa | Schedule Event achieved late but reported | Jul 15, 2004 | — | Open |
| cwa | Schedule Event achieved late but reported | Feb 19, 2004 | — | Open |
| cwa | Schedule Event achieved late but reported | Feb 19, 2003 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 15, 2003 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 15, 2002 | — | Open |
| cwa | Schedule Event unachieved and not reported | Feb 19, 2001 | Dec 6, 2001 | Resolved |
| cwa | Schedule Event achieved late but reported | Feb 19, 2001 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 15, 2001 | — | Open |
| cwa | Management Practice Violations - Failure to Develop/Enforce Standards | Dec 31, 1993 | Aug 1, 1994 | Resolved |
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 |
|---|---|---|---|---|---|---|
| E. coli, thermotol, MF, MTEC | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 1,000.00 | +99,999% | Dec 2025 | Open |
| E. coli, thermotol, MF, MTEC | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 1,000.00 | +99,999% | Dec 2025 | Open |
| E. coli, thermotol, MF, MTEC | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 1,000.00 | +99,999% | Dec 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 47.00 mg/L | 45.00 | +4% | Nov 2025 | Open |
| E. coli, thermotol, MF, MTEC | DMR, Limited - Numeric Violation | 1,553.10 MPN/100mL | 406.00 | +283% | Oct 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 180.00 mg/L | 50.00 | +260% | Oct 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 13,828.39 kg/d | 3,030.90 | +356% | Oct 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 54.00 mg/L | 50.00 | +8% | Sep 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 3,553.46 kg/d | 3,030.90 | +17% | Sep 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 106.00 mg/L | 50.00 | +112% | Jul 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 5,899.73 kg/d | 3,030.90 | +95% | Jul 2025 | Open |
| LC50 Static 48Hr Acute Ceriodaphnia dubia | DMR, Limited - Numeric Violation | 75.00 % | 100.00 | +25% | Jun 2025 | Open |
| LC50 Static 48Hr Acute Pimephales promelas | DMR, Limited - Numeric Violation | 75.00 % | 100.00 | +25% | Jun 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 3,104.91 kg/d | 3,030.90 | +2% | May 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 85.00 mg/L | 50.00 | +70% | Mar 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 6,114.93 kg/d | 3,030.90 | +102% | Mar 2025 | Open |
| E. coli, thermotol, MF, MTEC | DMR, Limited - Numeric Violation | 1,938.50 MPN/100mL | 406.00 | +377% | Mar 2025 | Open |
| E. coli, thermotol, MF, MTEC | DMR, Limited - Numeric Violation | 1,011.70 MPN/100mL | 406.00 | +149% | Feb 2025 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 3,069.04 kg/d | 3,030.90 | +1% | Dec 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 4,338.88 kg/d | 3,030.90 | +43% | Dec 2024 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 5,959.20 kg/d | 3,030.90 | +97% | Nov 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 6,423.65 kg/d | 3,030.90 | +112% | Nov 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 83.00 mg/L | 50.00 | +66% | Nov 2024 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 77.00 mg/L | 50.00 | +54% | Nov 2024 | Open |
| LC50 Static 48Hr Acute Pimephales promelas | DMR, Limited - Numeric Violation | 86.70 % | 100.00 | +13% | Sep 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 4,665.76 kg/d | 3,030.90 | +54% | Aug 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 63.00 mg/L | 50.00 | +26% | Aug 2024 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 82.00 mg/L | 50.00 | +64% | Aug 2024 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 6,073.16 kg/d | 3,030.90 | +100% | Aug 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 11,571.10 kg/d | 3,030.90 | +282% | Jul 2024 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 109.00 mg/L | 50.00 | +118% | Jul 2024 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 7,882.80 kg/d | 3,030.90 | +160% | Jul 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 160.00 mg/L | 50.00 | +220% | Jul 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 53.00 mg/L | 45.00 | +18% | Jul 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 2,927.39 kg/d | 2,727.63 | +7% | Jul 2024 | Open |
| LC50 Static 48Hr Acute Pimephales promelas | DMR, Limited - Numeric Violation | 57.40 % | 100.00 | +43% | Jun 2024 | Open |
| E. coli, thermotol, MF, MTEC | DMR, Limited - Numeric Violation | 579.40 MPN/100mL | 406.00 | +43% | May 2024 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 5,001.26 kg/d | 3,030.90 | +65% | Apr 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 9,610.73 kg/d | 3,030.90 | +217% | Apr 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 98.00 mg/L | 50.00 | +96% | Apr 2024 | Open |
| E. coli, thermotol, MF, MTEC | DMR, Limited - Numeric Violation | 816.40 MPN/100mL | 406.00 | +101% | Apr 2024 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 51.00 mg/L | 50.00 | +2% | Apr 2024 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 5,343.13 kg/d | 3,030.90 | +76% | Mar 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 8,505.69 kg/d | 3,030.90 | +181% | Mar 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 78.00 mg/L | 50.00 | +56% | Mar 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 3,057.69 kg/d | 2,727.63 | +12% | Mar 2024 | Open |
| E. coli, thermotol, MF, MTEC | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 406.00 | +99,999% | Feb 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 74.00 mg/L | 50.00 | +48% | Jan 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 9,879.49 kg/d | 3,030.90 | +226% | Jan 2024 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 4,005.19 kg/d | 3,030.90 | +32% | Jan 2024 | 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.
Judicial
· Case 01-2003-0163 · Dec 28, 2005
CWA 309A AO For Compliance
Clean Water Act
· Case 01-2003-N021 · Jul 21, 2003
Administrative - Formal
· Case 01-2003-0071 · Jul 18, 2003
CWA 309A AO For Compliance
Clean Water Act
· Case 01-1995-N029 · Jun 30, 1995
Civil Judicial Action
Clean Water Act
· Case NH-N00000005 · May 19, 1988
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