Non-Compliance
Clean Air Act
Clean Water Act
RCRA
MANCHESTER 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
-
300 WINSTON ST
MANCHESTER, NH 03103
View on map ↗ - County
- HILLSBOROUGH County
- Industry
- Utilities
- NAICS (North American Industry Classification)
- 221320
- Inspections
- 8 · last Sep 24, 2025
- Total Penalties
- $0 · last Nov 29, 2018
- Registry ID
- 110002320809
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
8
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 |
|---|---|---|---|---|
| cwa | Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | Mar 31, 2026 | — | Open |
| cwa | Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | Oct 20, 2025 | — | Open |
| cwa | Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | Sep 3, 2025 | — | Open |
| cwa | PR: Failure of the Control Authority to publish for SNC (Level II - Other) | Jul 31, 2025 | — | Open |
| cwa | Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | Jul 3, 2025 | — | Open |
| cwa | Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | Jun 6, 2025 | — | Open |
| cwa | Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | Jun 6, 2025 | — | Open |
| cwa | Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | Jun 6, 2025 | — | Open |
| cwa | Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | May 31, 2025 | — | Open |
| cwa | Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | May 17, 2025 | — | Open |
| cwa | Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | May 10, 2025 | — | Open |
| cwa | Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | May 8, 2025 | — | Open |
| cwa | Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | May 5, 2025 | — | Open |
| cwa | Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | Mar 17, 2025 | — | Open |
| cwa | Dry-weather SSO discharge to waters of the U.S. that may endanger health or the environment | Jan 3, 2025 | — | Open |
| cwa | PR: Biosolids - Incineration: Failure to Properly Operate Air Pollution Control Devices Violation (001) | Jan 1, 2025 | — | Open |
| cwa | Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | Aug 19, 2024 | — | Open |
| cwa | Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | Aug 19, 2024 | — | Open |
| cwa | Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | Aug 4, 2024 | — | Open |
| cwa | Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | Aug 4, 2024 | — | Open |
| cwa | Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | Aug 4, 2024 | — | Open |
| cwa | Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | Aug 3, 2024 | — | Open |
| cwa | Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | Jul 16, 2024 | — | Open |
| cwa | Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | May 26, 2024 | — | Open |
| cwa | Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | Apr 12, 2024 | — | Open |
| cwa | Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | Apr 4, 2024 | — | Open |
| cwa | Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | Mar 10, 2024 | — | Open |
| cwa | Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | Mar 7, 2024 | — | Open |
| cwa | Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | Jan 10, 2024 | — | Open |
| cwa | Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | Dec 18, 2023 | — | Open |
| cwa | Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | Dec 18, 2023 | — | Open |
| cwa | Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | Dec 18, 2023 | — | Open |
| cwa | Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | Dec 10, 2023 | — | Open |
| cwa | Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | Nov 14, 2023 | — | Open |
| cwa | Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | Sep 18, 2023 | — | Open |
| cwa | Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | Sep 11, 2023 | — | Open |
| cwa | Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | Sep 11, 2023 | — | Open |
| cwa | Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | Sep 10, 2023 | — | Open |
| cwa | Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | Sep 8, 2023 | — | Open |
| cwa | Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | Aug 8, 2023 | — | Open |
| cwa | Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | Jul 29, 2023 | — | Open |
| cwa | Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | Jul 21, 2023 | — | Open |
| cwa | Wet-weather SSO discharge to waters of the U.S. that may endanger health or the environment | Jul 16, 2023 | — | Open |
| cwa | Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | Jul 15, 2023 | — | Open |
| cwa | Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | Jul 2, 2023 | — | Open |
| cwa | Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | Jun 28, 2023 | — | Open |
| cwa | Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | Jun 26, 2023 | — | Open |
| cwa | Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | May 1, 2023 | — | Open |
| cwa | PR: Failure to submit noncompliance report - CSO, SSO, or Bypass [40 CFR 122.41(l)(6) & (m)(3)(ii)] | Apr 7, 2023 | — | Open |
| cwa | Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | Apr 1, 2023 | — | 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 |
|---|---|---|---|---|---|---|
| E. coli, colony forming units [CFU] | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 1,000.00 | +99,999% | Dec 2025 | Open |
| E. coli, colony forming units [CFU] | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 1,000.00 | +99,999% | Dec 2025 | Open |
| E. coli, colony forming units [CFU] | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 1,000.00 | +99,999% | Dec 2025 | Open |
| E. coli, colony forming units [CFU] | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 1,000.00 | +99,999% | Dec 2025 | Open |
| E. coli, colony forming units [CFU] | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 1,000.00 | +99,999% | Dec 2025 | Open |
| E. coli, colony forming units [CFU] | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 1,000.00 | +99,999% | Dec 2025 | Open |
| E. coli, colony forming units [CFU] | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 1,000.00 | +99,999% | Dec 2025 | Open |
| E. coli, colony forming units [CFU] | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 1,000.00 | +99,999% | Dec 2025 | Open |
| E. coli, colony forming units [CFU] | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 1,000.00 | +99,999% | Dec 2025 | Open |
| E. coli, colony forming units [CFU] | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 1,000.00 | +99,999% | Dec 2024 | Open |
| E. coli, colony forming units [CFU] | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 1,000.00 | +99,999% | Dec 2024 | Open |
| E. coli, colony forming units [CFU] | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 1,000.00 | +99,999% | Dec 2024 | Open |
| E. coli, colony forming units [CFU] | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 1,000.00 | +99,999% | Dec 2024 | Open |
| NOEL Static Renewal 7Day Chronic Ceriodaphnia dubia | DMR, Limited - Numeric Violation | 8.50 % | 8.50 | +99,999% | Sep 2024 | Open |
| E. coli, colony forming units [CFU] | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 1,000.00 | +99,999% | Dec 2023 | Open |
| E. coli, colony forming units [CFU] | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 1,000.00 | +99,999% | Dec 2023 | Open |
| E. coli, colony forming units [CFU] | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 1,000.00 | +99,999% | Dec 2023 | Open |
| E. coli, colony forming units [CFU] | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 1,000.00 | +99,999% | Dec 2023 | Open |
| E. coli, colony forming units [CFU] | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 1,000.00 | +99,999% | Dec 2023 | Open |
| E. coli, colony forming units [CFU] | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 1,000.00 | +99,999% | Dec 2023 | Open |
| E. coli, colony forming units [CFU] | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 1,000.00 | +99,999% | Dec 2023 | Open |
| E. coli, colony forming units [CFU] | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 1,000.00 | +99,999% | Dec 2023 | Open |
| E. coli, colony forming units [CFU] | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 1,000.00 | +99,999% | Dec 2023 | Open |
| E. coli, colony forming units [CFU] | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 1,000.00 | +99,999% | Dec 2023 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 339.59 kg/d | 107.14 | +217% | Oct 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 7,871.00 kg/d | 6,442.26 | +22% | Jul 2023 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 49.50 mg/L | 45.00 | +10% | Jun 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 16,794.37 kg/d | 6,442.26 | +161% | Jun 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 170.40 mg/L | 50.00 | +241% | Jun 2023 | Open |
| E. coli, colony forming units [CFU] | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 1,000.00 | +99,999% | Dec 2022 | Open |
| E. coli, colony forming units [CFU] | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 1,000.00 | +99,999% | Dec 2022 | Open |
| E. coli, colony forming units [CFU] | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 1,000.00 | +99,999% | Dec 2022 | Open |
| E. coli, colony forming units [CFU] | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 1,000.00 | +99,999% | Dec 2022 | Open |
| E. coli, colony forming units [CFU] | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 1,000.00 | +99,999% | Dec 2022 | Open |
| E. coli, colony forming units [CFU] | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 1,000.00 | +99,999% | Dec 2022 | Open |
| E. coli, colony forming units [CFU] | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 1,000.00 | +99,999% | Dec 2022 | Open |
| E. coli, colony forming units [CFU] | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 1,000.00 | +99,999% | Dec 2022 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 7,927.75 kg/d | 6,442.26 | +23% | Feb 2022 | Open |
| E. coli, colony forming units [CFU] | DMR, Limited - Numeric Violation | 2,400.00 MPN/100mL | 1,000.00 | +99,999% | Dec 2021 | Open |
| E. coli, colony forming units [CFU] | DMR, Limited - Numeric Violation | 2,400.00 MPN/100mL | 1,000.00 | +99,999% | Dec 2021 | Open |
| E. coli, colony forming units [CFU] | DMR, Limited - Numeric Violation | 2,400.00 MPN/100mL | 1,000.00 | +99,999% | Dec 2021 | Open |
| E. coli, colony forming units [CFU] | DMR, Limited - Numeric Violation | 2,400.00 MPN/100mL | 1,000.00 | +99,999% | Dec 2021 | Open |
| E. coli, colony forming units [CFU] | DMR, Limited - Numeric Violation | 2,400.00 MPN/100mL | 1,000.00 | +99,999% | Dec 2021 | Open |
| E. coli, colony forming units [CFU] | DMR, Limited - Numeric Violation | 2,400.00 MPN/100mL | 1,000.00 | +99,999% | Dec 2021 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 9,152.19 kg/d | 6,442.26 | +42% | Aug 2021 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 68.30 mg/L | 50.00 | +37% | Aug 2021 | Open |
| E. coli, colony forming units [CFU] | DMR, Limited - Numeric Violation | 2,490.00 MPN/100mL | 1,000.00 | +99,999% | Dec 2020 | Open |
| E. coli, colony forming units [CFU] | DMR, Limited - Numeric Violation | 2,490.00 MPN/100mL | 1,000.00 | +99,999% | Dec 2020 | Open |
| E. coli, colony forming units [CFU] | DMR, Limited - Numeric Violation | 2,490.00 MPN/100mL | 1,000.00 | +99,999% | Dec 2020 | Open |
| E. coli, colony forming units [CFU] | DMR, Limited - Numeric Violation | 2,490.00 MPN/100mL | 1,000.00 | +99,999% | Dec 2020 | 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.
Judicial
· Case 01-2016-2015 · Sep 28, 2020
Judicial
· Case 01-2017-1004 · Nov 29, 2018
$131,800
Administrative - Formal
· Case 01-2009-2509 · Aug 4, 2009
Administrative - Formal
· Case 01-2002-9595 · May 10, 2002
CWA 309A AO For Compliance
Clean Water Act
· Case 01-2002-N016 · May 10, 2002
Administrative - Formal
· Case 01-1999-0075 · Mar 8, 1999
Civil Judicial Action
Clean Water Act
· Case NH-N00000004 · Jul 11, 1988
Judicial
· Case 01-1978-0002 · Mar 7, 1979
$75,000
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