EmissionsLookup
Non-Compliance Clean Water Act

W SWANZEY WWTF

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
DENMAN THOMPSON HIGHWAY
SWANZEY, NH 03446
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County
CHESHIRE County
Inspections
1 · last Sep 8, 2025
Total Penalties
$0
Registry ID
110039692482

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.

10
Water (CWA)
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 Reporting Violations - Improper/ Incorrect Reporting Sep 8, 2025 Open
cwa Reporting Violations - Failure to Notify Sep 8, 2025 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
Copper, total [as Cu] DMR, Limited - Numeric Violation 0.03 mg/L 0.00 +900% Feb 2026 Open
Copper, total [as Cu] DMR, Limited - Numeric Violation 0.03 mg/L 0.00 +1,150% Feb 2026 Open
E. coli DMR, Limited - Numeric Violation 2,400.00 MPN/100mL 406.00 +491% Jan 2026 Open
Copper, total [as Cu] DMR, Limited - Numeric Violation 0.01 mg/L 0.00 +352% Jan 2026 Open
Copper, total [as Cu] DMR, Limited - Numeric Violation 0.01 mg/L 0.00 +442% Jan 2026 Open
E. coli DMR, Limited - Numeric Violation 251.00 MPN/100mL 126.00 +99% Jan 2026 Open
Copper, total [as Cu] DMR, Limited - Numeric Violation 0.01 mg/L 0.00 +129% Dec 2025 Resolved
Copper, total [as Cu] DMR, Limited - Numeric Violation 0.01 mg/L 0.00 +184% Dec 2025 Open
Copper, total [as Cu] DMR, Limited - Numeric Violation 0.02 mg/L 0.00 +481% Nov 2025 Open
Copper, total [as Cu] DMR, Limited - Numeric Violation 0.01 mg/L 0.00 +329% Nov 2025 Resolved
E. coli DMR, Limited - Numeric Violation 520.00 MPN/100mL 406.00 +28% Nov 2025 Open
Phosphorus, total [as P] DMR, Limited - Numeric Violation 4.30 mg/L 1.00 +330% Oct 2025 Resolved
LC50 Static 48Hr Acute Pimephales promelas DMR, Limited - Numeric Violation 50.90 % 100.00 +49% Sep 2025 Open
Phosphorus, total [as P] DMR, Limited - Numeric Violation 5.40 mg/L 1.00 +440% Sep 2025 Resolved
LC50 Static 48Hr Acute Ceriodaphnia dubia DMR, Limited - Numeric Violation 64.40 % 100.00 +36% Sep 2025 Open
Phosphorus, total [as P] DMR, Limited - Numeric Violation 5.90 mg/L 1.00 +490% Aug 2025 Resolved
Phosphorus, total [as P] DMR, Limited - Overdue 5.90 mg/L 1.00 +490% Aug 2025 Resolved
Phosphorus, total [as P] DMR, Limited - Overdue 4.90 mg/L 1.00 +390% Jul 2025 Resolved
Phosphorus, total [as P] DMR, Limited - Numeric Violation 4.90 mg/L 1.00 +390% Jul 2025 Resolved
Copper, total [as Cu] DMR, Limited - Numeric Violation 0.00 mg/L 0.00 +3% Jun 2025 Open
Copper, total [as Cu] DMR, Limited - Overdue 0.00 mg/L 0.00 +3% Jun 2025 Resolved
Phosphorus, total [as P] DMR, Limited - Overdue 3.20 mg/L 1.00 +220% Jun 2025 Resolved
Phosphorus, total [as P] DMR, Limited - Numeric Violation 3.20 mg/L 1.00 +220% Jun 2025 Resolved
Copper, total [as Cu] DMR, Limited - Numeric Violation 0.00 mg/L 0.00 +100% May 2025 Resolved
Phosphorus, total [as P] DMR, Limited - Numeric Violation 6.80 mg/L 1.00 +580% May 2025 Resolved
Copper, total [as Cu] DMR, Limited - Numeric Violation 0.00 mg/L 0.00 +55% May 2025 Open
Copper, total [as Cu] DMR, Limited - Numeric Violation 0.01 mg/L 0.00 +208% Apr 2025 Resolved
Copper, total [as Cu] DMR, Limited - Numeric Violation 0.01 mg/L 0.00 +223% Apr 2025 Open
Phosphorus, total [as P] DMR, Limited - Numeric Violation 3.40 mg/L 1.00 +240% Apr 2025 Resolved
BOD, carbonaceous [5 day, 20 C] DMR, Limited - Numeric Violation 35.80 mg/L 25.00 +43% Feb 2025 Open
BOD, carbonaceous [5 day, 20 C] DMR, Limited - Numeric Violation 31.20 mg/L 25.00 +25% Jan 2025 Open
BOD, carbonaceous [5 day, 20 C] DMR, Limited - Numeric Violation 44.00 mg/L 40.00 +10% Jan 2025 Open
E. coli DMR, Limited - Numeric Violation 2,419.60 MPN/100mL 406.00 +496% Jan 2025 Open
E. coli DMR, Limited - Numeric Violation 411.00 MPN/100mL 406.00 +1% Nov 2024 Open
Chlorine, total residual DMR, Limited - Numeric Violation 1.02 mg/L 1.00 +2% Nov 2024 Open
Phosphorus, total [as P] DMR, Limited - Numeric Violation 2.60 mg/L 1.00 +160% Oct 2024 Resolved
Chlorine, total residual DMR, Limited - Numeric Violation 1.05 mg/L 1.00 +5% Oct 2024 Open
LC50 Static 48Hr Acute Pimephales promelas DMR, Limited - Numeric Violation 70.70 % 100.00 +29% Sep 2024 Open
LC50 Static 48Hr Acute Ceriodaphnia dubia DMR, Limited - Numeric Violation 35.40 % 100.00 +65% Sep 2024 Open
Phosphorus, total [as P] DMR, Limited - Numeric Violation 1.35 mg/L 1.00 +35% Sep 2024 Resolved
Phosphorus, total [as P] DMR, Limited - Numeric Violation 2.20 mg/L 1.00 +120% Jul 2024 Resolved
Solids, total suspended DMR, Limited - Numeric Violation 32.00 mg/L 30.00 +7% Jul 2024 Open
Chlorine, total residual DMR, Limited - Numeric Violation 1.32 mg/L 1.00 +32% Jul 2024 Open
Solids, total suspended DMR, Limited - Numeric Violation 64.00 mg/L 50.00 +28% Jul 2024 Open
Solids, total suspended DMR, Limited - Numeric Violation 29.06 kg/d 27.29 +6% Jul 2024 Open
Solids, total suspended DMR, Limited - Numeric Violation 64.00 mg/L 45.00 +42% Jul 2024 Open
Phosphorus, total [as P] DMR, Limited - Numeric Violation 3.80 mg/L 1.00 +280% Jun 2024 Resolved
Phosphorus, total [as P] DMR, Limited - Numeric Violation 3.20 mg/L 1.00 +220% May 2024 Resolved
Phosphorus, total [as P] DMR, Limited - Numeric Violation 1.25 mg/L 1.00 +25% Apr 2024 Resolved
BOD, carbonaceous [5 day, 20 C] DMR, Limited - Numeric Violation 25.30 mg/L 25.00 +1% Mar 2024 Open

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