Non-Compliance
Clean Water Act
MARIANAPOLIS PREP SCHOOL - ST JOHNS-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
-
ROUTE 200
THOMPSON, CT 06277
View on map ↗ - County
- WINDHAM County
- Inspections
- 1 · last Jul 2, 2025
- Total Penalties
- $0
- Registry ID
- 110010115008
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.
12
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 | Permit Violations - Discharge Without a Valid Permit | Jul 2, 2025 | — | Open |
| cwa | Management Practice Violations - No Licensed/Certified Operator | Jul 2, 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 |
|---|---|---|---|---|---|---|
| Chlorine, total residual | DMR, Limited - Numeric Violation | 2.00 mg/L | 1.50 | +33% | Jun 2018 | Resolved |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 2.00 mg/L | 1.50 | +33% | May 2018 | Resolved |
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