HENNIKER 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
-
199 RAMSDELL ROAD
HENNIKER, NH 03242
View on map ↗ - County
- MERRIMACK County
- Inspections
- 3 · last Jan 11, 2024
- Total Penalties
- $0
- Registry ID
- 110006619276
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 | PR: Biosolids: Other Management Practice Violation | Jan 1, 2019 | Sep 30, 2020 | 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 |
|---|---|---|---|---|---|---|
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 6.20 mg/L | 2.30 | +170% | Oct 2025 | Resolved |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 6.70 mg/L | 2.30 | +191% | Sep 2025 | Resolved |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 6.15 mg/L | 2.30 | +167% | Aug 2025 | Resolved |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 4.92 mg/L | 2.30 | +114% | Jul 2025 | Resolved |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 30.10 mg/L | 2.30 | +1,209% | Jun 2025 | Resolved |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 5.93 mg/L | 2.30 | +158% | May 2025 | Resolved |
| E. coli, thermotol, MF, MTEC | DMR, Limited - Numeric Violation | 2,000.00 MPN/100mL | 406.00 | +393% | Dec 2022 | Open |
| E. coli, thermotol, MF, MTEC | DMR, Limited - Numeric Violation | 1,200.00 MPN/100mL | 126.00 | +852% | Dec 2022 | Open |
| E. coli, thermotol, MF, MTEC | DMR, Limited - Numeric Violation | 447.00 MPN/100mL | 406.00 | +10% | Sep 2018 | 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.