Non-Compliance
Clean Air Act
Clean Water Act
RCRA
SEABROOK NUCLEAR GENERATING STATION
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
-
626 LAFAYETTE RD
SEABROOK, NH 03874
View on map ↗ - County
- ROCKINGHAM County
- Industry
- Utilities
- NAICS (North American Industry Classification)
- 221113
- Inspections
- 6 · last Nov 6, 2025
- Total Penalties
- $0 · last Aug 18, 2015
- Registry ID
- 110001123061
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.
0
Air (CAA)
Qtrs Non-Compliant
Qtrs Non-Compliant
3
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 |
|---|---|---|---|---|
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Jan 9, 2020 | Feb 4, 2020 | Resolved |
| rcra | Standards Applicable to Generators of HW: Manifest Requirements Applicable to Small and Large Quantity Generators | Jan 9, 2020 | Jan 30, 2020 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Jan 22, 2013 | Jan 22, 2013 | Resolved |
| rcra | Violation of a Federal or State Statute | Jan 22, 2013 | Jan 22, 2013 | Resolved |
| cwa | Schedule Event reported late | May 1, 2005 | — | Open |
| cwa | Schedule Event achieved late but reported | May 1, 2005 | — | Open |
| cwa | Schedule Event achieved late but reported | May 1, 2004 | — | Open |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Jul 31, 2003 | Sep 5, 2003 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Jun 20, 2002 | Nov 18, 2002 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Jun 20, 2002 | Nov 18, 2002 | Resolved |
| rcra | State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | Jun 20, 2002 | Nov 18, 2002 | Resolved |
| cwa | Schedule Event achieved late but reported | May 1, 2002 | — | Open |
| cwa | Schedule Event achieved late but reported | May 1, 2002 | — | Open |
| rcra | Standards Applicable to Transporters of HW: General | Oct 16, 2001 | Nov 1, 2001 | Resolved |
| cwa | Schedule Event achieved late but reported | Dec 1, 1996 | — | Open |
| rcra | Violation of a formal enforcement agreement or order. (3008(a) or 3013) | Jun 26, 1986 | Dec 1, 1986 | 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 |
|---|---|---|---|---|---|---|
| Oil & Grease | DMR, Limited - Numeric Violation | 36.90 mg/L | 15.00 | +146% | Feb 2025 | Open |
| Oil & Grease | DMR, Limited - Numeric Violation | 59.90 mg/L | 20.00 | +200% | Feb 2025 | Open |
| Oil & Grease | DMR, Limited - Numeric Violation | 23.40 mg/L | 20.00 | +17% | Mar 2021 | Open |
| Oil & Grease | DMR, Limited - Numeric Violation | 39.00 mg/L | 20.00 | +95% | Dec 2019 | Open |
| Oxidants, total residual | DMR, Limited - Numeric Violation | 0.34 mg/L | 0.20 | +70% | Mar 2016 | 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.
WRITTEN INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-NHD081257446-001 · May 27, 2014
INFORMAL WRITTEN NOTIFICATION
RCRA (Hazardous Waste)
· Case RCRA-NHD510167745-001 · Oct 16, 2001
CWA 309A AO For Compliance
Clean Water Act
· Case 01-1992-N035 · Jan 9, 1992
UNILATERAL ORDER, NO PENALTIES
RCRA (Hazardous Waste)
· Case RCRA-NHD081257446-000 · Aug 12, 1986
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