WATERVILLE VALLEY 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
-
TRIPOLI ROAD
WATERVILLE VALLEY, NH 03215
View on map ↗ - County
- GRAFTON County
- Inspections
- 5 · last Mar 25, 2026
- Total Penalties
- $0
- Registry ID
- 110006619668
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.
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 unachieved and not reported | Feb 19, 2003 | May 14, 2003 | Resolved |
| cwa | Schedule Event achieved late but reported | Feb 19, 2003 | — | Open |
| cwa | Schedule Event achieved late but reported | Feb 19, 2002 | — | Open |
| cwa | Schedule Event unachieved and not reported | Feb 19, 2001 | Apr 18, 2001 | Resolved |
| cwa | Schedule Event achieved late but reported | Feb 19, 2001 | — | 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 |
|---|---|---|---|---|---|---|
| LC50 Static 48Hr Acute Pimephales promelas | DMR, Limited - Numeric Violation | 69.70 % | 100.00 | +30% | Mar 2025 | Open |
| LC50 Static 48Hr Acute Ceriodaphnia dubia | DMR, Limited - Numeric Violation | 70.70 % | 100.00 | +29% | Mar 2025 | Open |
| LC50 Static 48Hr Acute Pimephales promelas | DMR, Limited - Numeric Violation | 95.10 % | 100.00 | +5% | Mar 2022 | Open |
| NOEL Static Renewal 7Day Chronic Ceriodaphnia dubia | DMR, Limited - Numeric Violation | 6.25 % | 13.30 | +53% | Sep 2021 | Open |
| LC50 Static 48Hr Acute Ceriodaphnia dubia | DMR, Limited - Numeric Violation | 64.10 % | 100.00 | +36% | Mar 2021 | Open |
| LC50 Static 48Hr Acute Pimephales promelas | DMR, Limited - Numeric Violation | 70.70 % | 100.00 | +29% | Mar 2021 | 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.