Non-Compliance
Clean Water Act
COLEBROOK 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
-
99 LYNCH DR
COLEBROOK, NH 03576
View on map ↗ - County
- COOS County
- Inspections
- 3 · last Aug 13, 2025
- Total Penalties
- $0
- Registry ID
- 110028120904
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.
3
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 | Monitoring Violations - Improper Analysis or Lab Error | Aug 13, 2025 | — | Open |
| cwa | Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangerment | Mar 11, 2024 | — | Open |
| cwa | Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | Jan 9, 2024 | — | Open |
| cwa | Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | Feb 28, 2022 | — | 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 |
|---|---|---|---|---|---|---|
| Solids, total suspended | DMR, Limited - Numeric Violation | 45.00 mg/L | 30.00 | +50% | Aug 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 71.00 mg/L | 50.00 | +42% | Aug 2023 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 71.00 mg/L | 45.00 | +58% | Aug 2023 | Resolved |
| Solids, total suspended | DMR, Limited - Overdue | 90.00 mg/L | 45.00 | +100% | Jul 2023 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 91.25 kg/d | 85.35 | +7% | Jul 2023 | Resolved |
| Solids, total suspended | DMR, Limited - Overdue | 40.00 mg/L | 30.00 | +33% | Jul 2023 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 40.00 mg/L | 30.00 | +33% | Jul 2023 | Open |
| Solids, total suspended | DMR, Limited - Overdue | 91.25 kg/d | 85.35 | +7% | Jul 2023 | Resolved |
| Solids, total suspended | DMR, Limited - Overdue | 91.25 kg/d | 76.73 | +19% | Jul 2023 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 91.25 kg/d | 76.73 | +19% | Jul 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 90.00 mg/L | 45.00 | +100% | Jul 2023 | Resolved |
| Solids, total suspended | DMR, Limited - Overdue | 90.00 mg/L | 50.00 | +80% | Jul 2023 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 90.00 mg/L | 50.00 | +80% | Jul 2023 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 79.88 kg/d | 76.73 | +4% | Apr 2022 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 79.88 kg/d | 51.30 | +56% | Apr 2022 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 44.20 mg/L | 30.00 | +47% | Apr 2022 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 71.00 % | 85.00 | +93% | Apr 2020 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 83.00 % | 85.00 | +13% | Apr 2019 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 51.00 % | 85.00 | +227% | Jan 2019 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 82.00 % | 85.00 | +20% | Nov 2016 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 84.00 % | 85.00 | +7% | Sep 2016 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 83.00 % | 85.00 | +13% | Apr 2016 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 42.00 mg/L | 30.00 | +40% | Apr 2016 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 84.00 % | 85.00 | +7% | Apr 2016 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 56.90 mg/L | 45.00 | +26% | Jul 2015 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 59.90 mg/L | 50.00 | +20% | Jul 2015 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 45.40 mg/L | 45.00 | +1% | May 2015 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 36.19 mg/L | 30.00 | +21% | Apr 2015 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 49.80 mg/L | 45.00 | +11% | Apr 2015 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 42.25 mg/L | 30.00 | +41% | Mar 2015 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 57.30 mg/L | 50.00 | +15% | Mar 2015 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 73.00 % | 85.00 | +80% | Mar 2015 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 57.30 mg/L | 45.00 | +27% | Mar 2015 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 64.30 mg/L | 45.00 | +43% | Feb 2015 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 48.05 mg/L | 30.00 | +60% | Feb 2015 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 64.30 mg/L | 50.00 | +29% | Feb 2015 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 66.00 % | 85.00 | +127% | Feb 2015 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 83.00 % | 85.00 | +13% | Jan 2015 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 84.00 % | 85.00 | +7% | Jan 2015 | Open |
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