Non-Compliance
Clean Water Act
KEENE 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
-
198 AIRPORT ROAD
KEENE, NH 03431
View on map ↗ - County
- CHESHIRE County
- Inspections
- 4 · last Sep 4, 2025
- Total Penalties
- $0 · last Apr 13, 2006
- Registry ID
- 110002320854
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.
4
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 SSO, no discharge to waters of the U.S., not permit compliant, no endangerment | Nov 4, 2025 | — | Open |
| cwa | Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangerment | Sep 20, 2025 | — | Open |
| cwa | Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangerment | Dec 16, 2024 | — | Open |
| cwa | Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | Jul 19, 2024 | — | Open |
| cwa | Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangerment | Jun 17, 2024 | — | Open |
| cwa | Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangerment | Apr 15, 2024 | — | Open |
| cwa | Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangerment | Jun 8, 2023 | — | Open |
| cwa | Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | Mar 20, 2023 | — | Open |
| cwa | Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | Dec 26, 2022 | — | Open |
| cwa | Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangerment | Oct 31, 2022 | — | Open |
| cwa | Schedule Event reported late | Jan 31, 2013 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 31, 2013 | — | Open |
| cwa | Schedule Event achieved late but reported | Feb 15, 2012 | — | Open |
| cwa | Schedule Event reported late | Feb 15, 2012 | — | Open |
| cwa | Schedule Event unachieved and not reported | Feb 15, 2012 | Jan 1, 2013 | Resolved |
| cwa | Schedule Event unachieved but reported | Feb 15, 2012 | Jan 1, 2013 | Resolved |
| cwa | Schedule Event achieved late but reported | Jan 31, 2012 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 31, 2012 | — | Open |
| cwa | Schedule Event unachieved but reported | Jan 1, 2012 | Feb 1, 2012 | Resolved |
| cwa | Schedule Event achieved late but reported | Jan 1, 2012 | — | Open |
| cwa | Schedule Event reported late | Jan 1, 2012 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jan 1, 2012 | Feb 1, 2012 | Resolved |
| cwa | Schedule Event unachieved and not reported | Dec 31, 2011 | — | Open |
| cwa | Schedule Event reported late | Dec 31, 2011 | — | Open |
| cwa | Schedule Event achieved late but reported | Dec 31, 2011 | — | Open |
| cwa | Schedule Event unachieved but reported | Dec 31, 2011 | — | Open |
| cwa | Schedule Event reported late | Nov 1, 2009 | — | Open |
| cwa | Schedule Event achieved late but reported | Nov 1, 2009 | — | Open |
| cwa | Schedule Event unachieved and not reported | Nov 1, 2009 | Aug 1, 2010 | Resolved |
| cwa | Schedule Event unachieved but reported | Nov 1, 2009 | Aug 1, 2010 | Resolved |
| cwa | Schedule Event achieved late but reported | Jun 1, 2009 | — | Open |
| cwa | Schedule Event reported late | Feb 15, 2009 | — | Open |
| cwa | Schedule Event achieved late but reported | Feb 15, 2009 | — | Open |
| cwa | Schedule Event achieved late but reported | Feb 15, 2008 | — | Open |
| cwa | Schedule Event reported late | Jan 31, 2005 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 31, 2005 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jan 31, 2005 | Apr 13, 2006 | Resolved |
| cwa | Schedule Event unachieved but reported | Jan 31, 2005 | Apr 13, 2006 | Resolved |
| cwa | Schedule Event achieved late but reported | Nov 1, 1998 | — | Open |
| cwa | Schedule Event unachieved and not reported | Nov 1, 1998 | Jan 5, 1999 | Resolved |
| cwa | Schedule Event achieved late but reported | Nov 1, 1998 | — | Open |
| cwa | Schedule Event achieved late but reported | Nov 1, 1997 | — | Open |
| cwa | Schedule Event achieved late but reported | Nov 1, 1996 | — | Open |
| cwa | Schedule Event achieved late but reported | Nov 1, 1996 | — | Open |
| cwa | Schedule Event achieved late but reported | Nov 1, 1995 | — | Open |
| cwa | Management Practice Violations - Failure to Develop/Enforce Standards | Sep 30, 1995 | Mar 30, 1997 | Resolved |
| cwa | Schedule Event achieved late but reported | Dec 5, 1994 | — | Open |
| cwa | Schedule Event achieved late but reported | Nov 1, 1994 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jul 14, 1994 | Aug 29, 1994 | Resolved |
| cwa | Schedule Event achieved late but reported | Jul 14, 1994 | — | 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 |
|---|---|---|---|---|---|---|
| Aluminum, total recoverable | DMR, Limited - Numeric Violation | 0.18 mg/L | 0.11 | +63% | Jan 2026 | Open |
| Aluminum, total recoverable | DMR, Limited - Numeric Violation | 0.14 mg/L | 0.11 | +30% | Dec 2025 | Resolved |
| Aluminum, total recoverable | DMR, Limited - Numeric Violation | 0.11 mg/L | 0.11 | +2% | Nov 2025 | Resolved |
| Aluminum, total recoverable | DMR, Limited - Numeric Violation | 0.17 mg/L | 0.11 | +51% | Oct 2025 | Resolved |
| Aluminum, total recoverable | DMR, Limited - Numeric Violation | 0.12 mg/L | 0.11 | +6% | Sep 2025 | Resolved |
| NOEL Static 7Day Chronic Ceriodaphnia dubia | DMR, Limited - Numeric Violation | 12.50 % | 50.00 | +75% | Sep 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 3.20 mg/L | 3.10 | +3% | Oct 2017 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 110.32 kg/d | 70.37 | +57% | Oct 2017 | Open |
| E. coli, thermotol, MF, MTEC | DMR, Limited - Numeric Violation | 687.00 MPN/100mL | 406.00 | +69% | Sep 2015 | Open |
| E. coli, thermotol, MF, MTEC | DMR, Limited - Numeric Violation | 1,203.00 MPN/100mL | 406.00 | +196% | Feb 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.
Administrative - Formal
· Case 01-2009-0505 · Dec 19, 2008
Administrative - Formal
· Case 01-2008-2067 · Jul 3, 2008
Administrative - Formal
· Case 01-2005-2001 · Apr 13, 2006
$58,000
Administrative - Formal
· Case 01-2004-2106 · Sep 27, 2004
CWA 309A AO For Compliance
Clean Water Act
· Case 01-2004-N019 · Sep 27, 2004
Administrative - Formal
· Case 01-1997-0063 · Dec 30, 1996
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