Non-Compliance
Clean Water Act
NORTHAMPTON WASTEWATER TREATMENT PLANT
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
-
33 HOCKANUM ROAD
NORTHAMPTON, MA 01060
View on map ↗ - County
- HAMPSHIRE County
- Industry
- Utilities
- NAICS (North American Industry Classification)
- 22132
- Inspections
- 2 · last May 14, 2025
- Total Penalties
- $0 · last Jul 3, 2007
- Registry ID
- 110002349771
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.
10
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 | Schedule Event achieved late but reported | Mar 31, 2013 | — | Open |
| cwa | Schedule Event achieved late but reported | Feb 1, 2013 | — | Open |
| cwa | Schedule Event unachieved and not reported | Mar 31, 2012 | May 8, 2012 | Resolved |
| cwa | Schedule Event reported late | Mar 31, 2012 | — | Open |
| cwa | Schedule Event achieved late but reported | Mar 31, 2012 | — | Open |
| cwa | Schedule Event unachieved but reported | Mar 31, 2012 | May 8, 2012 | Resolved |
| cwa | Schedule Event unachieved and not reported | Feb 1, 2012 | Jan 1, 2013 | Resolved |
| cwa | Schedule Event unachieved but reported | Feb 1, 2012 | Jan 31, 2013 | Resolved |
| cwa | Schedule Event achieved late but reported | Feb 1, 2012 | — | Open |
| cwa | Schedule Event reported late | Feb 1, 2012 | — | Open |
| cwa | Schedule Event achieved late but reported | Mar 31, 2010 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jun 1, 2009 | Aug 17, 2009 | Resolved |
| cwa | Schedule Event achieved late but reported | Jun 1, 2009 | — | Open |
| cwa | Schedule Event unachieved but reported | Jun 1, 2009 | Aug 17, 2009 | Resolved |
| cwa | Schedule Event reported late | Jun 1, 2009 | — | Open |
| cwa | Schedule Event unachieved but reported | Mar 31, 2009 | Aug 17, 2009 | Resolved |
| cwa | Schedule Event reported late | Mar 31, 2009 | — | Open |
| cwa | Schedule Event unachieved and not reported | Mar 31, 2009 | Aug 17, 2009 | Resolved |
| cwa | Schedule Event achieved late but reported | Mar 31, 2009 | — | Open |
| cwa | Schedule Event achieved late but reported | Aug 1, 2008 | — | Open |
| cwa | Schedule Event achieved late but reported | Aug 1, 2007 | — | Open |
| cwa | Schedule Event reported late | Jan 2, 2007 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 2, 2007 | — | Open |
| cwa | Schedule Event achieved late but reported | Aug 1, 2006 | — | Open |
| cwa | Schedule Event reported late | Aug 1, 2006 | — | Open |
| cwa | Schedule Event unachieved but reported | Aug 1, 2006 | Sep 20, 2006 | Resolved |
| cwa | Schedule Event unachieved and not reported | Aug 1, 2006 | Sep 20, 2006 | Resolved |
| cwa | Schedule Event achieved late but reported | Jan 1, 2006 | — | Open |
| cwa | Schedule Event achieved late but reported | Mar 1, 2005 | — | Open |
| cwa | Schedule Event achieved late but reported | Mar 1, 2004 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jan 1, 2004 | Feb 12, 2004 | Resolved |
| cwa | Schedule Event achieved late but reported | Jan 1, 2004 | — | Open |
| cwa | Schedule Event achieved late but reported | Aug 1, 2003 | — | Open |
| cwa | Schedule Event unachieved and not reported | Aug 1, 2003 | Jun 23, 2004 | Resolved |
| cwa | Schedule Event unachieved and not reported | Jan 1, 2003 | Apr 21, 2003 | Resolved |
| cwa | Schedule Event achieved late but reported | Jan 1, 2003 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 1, 2003 | — | Open |
| cwa | Schedule Event unachieved and not reported | Nov 1, 2002 | Apr 21, 2003 | Resolved |
| cwa | Schedule Event achieved late but reported | Nov 1, 2002 | — | Open |
| cwa | Schedule Event achieved late but reported | Mar 1, 2000 | — | Open |
| cwa | Schedule Event achieved late but reported | Mar 1, 1999 | — | Open |
| cwa | Schedule Event unachieved and not reported | Feb 19, 1999 | May 20, 1999 | Resolved |
| cwa | Schedule Event achieved late but reported | Feb 19, 1999 | — | Open |
| cwa | Schedule Event achieved late but reported | Mar 1, 1998 | — | Open |
| cwa | Schedule Event unachieved and not reported | Feb 19, 1998 | Apr 6, 1998 | Resolved |
| cwa | Schedule Event achieved late but reported | Feb 19, 1998 | — | Open |
| cwa | Schedule Event unachieved and not reported | Feb 19, 1997 | May 8, 1997 | Resolved |
| cwa | Schedule Event achieved late but reported | Feb 19, 1997 | — | Open |
| cwa | Schedule Event achieved late but reported | Mar 1, 1996 | — | Open |
| cwa | Management Practice Violations - Failure to Develop/Enforce Standards | Feb 22, 1996 | Feb 26, 1997 | 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 | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 409.00 | +492% | Sep 2025 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 1.03 mg/L | 1.00 | +3% | Aug 2025 | Open |
| E. coli | DMR, Limited - Numeric Violation | 727.00 MPN/100mL | 409.00 | +78% | Jun 2025 | Open |
| E. coli | DMR, Limited - Numeric Violation | 1,553.10 MPN/100mL | 409.00 | +280% | May 2024 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 76.89 % | 85.00 | +54% | Jan 2024 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 78.53 % | 85.00 | +43% | Dec 2023 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 1.26 mg/L | 1.00 | +26% | Oct 2023 | Open |
| E. coli, thermotol, MF, MTEC | DMR, Limited - Numeric Violation | 727.00 MPN/100mL | 409.00 | +78% | Jun 2023 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 1.25 mg/L | 1.00 | +25% | Jun 2023 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 82.84 % | 85.00 | +14% | Jan 2023 | Open |
| E. coli, thermotol, MF, MTEC | DMR, Limited - Numeric Violation | 488.40 MPN/100mL | 409.00 | +19% | Sep 2022 | Open |
| E. coli, thermotol, MF, MTEC | DMR, Limited - Numeric Violation | 686.70 MPN/100mL | 409.00 | +68% | Jul 2022 | Open |
| E. coli, thermotol, MF, MTEC | DMR, Limited - Numeric Violation | 727.00 MPN/100mL | 409.00 | +78% | Oct 2020 | Open |
| E. coli, thermotol, MF, MTEC | DMR, Limited - Numeric Violation | 980.40 MPN/100mL | 409.00 | +140% | Jul 2020 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 1.18 mg/L | 1.00 | +18% | Jun 2020 | Open |
| E. coli, thermotol, MF, MTEC | DMR, Limited - Numeric Violation | 613.10 MPN/100mL | 409.00 | +50% | Oct 2019 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 1.01 mg/L | 1.00 | +1% | Apr 2019 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 1.36 mg/L | 1.00 | +36% | Aug 2018 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 49.30 mg/L | 45.00 | +10% | Oct 2017 | Open |
| E. coli, thermotol, MF, MTEC | DMR, Limited - Numeric Violation | 254.30 MPN/100mL | 126.00 | +102% | Sep 2017 | Open |
| E. coli, thermotol, MF, MTEC | DMR, Limited - Numeric Violation | 1,413.60 MPN/100mL | 409.00 | +246% | Sep 2017 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 9.00 mg/L | 1.00 | +800% | Apr 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 01-2007-1005 · Jul 3, 2007
$1,300
CWA 309A AO For Compliance
Clean Water Act
· Case 01-1984-N013 · Dec 30, 1983
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