MATSUNK STP
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
-
600 MCCOYS LN
KING OF PRUSSIA, PA 19406
View on map ↗ - County
- MONTGOMERY County
- Inspections
- 4 · last May 7, 2025
- Total Penalties
- $0
- Registry ID
- 110064245320
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 | Permit Violations - Discharge Without a Valid Permit | Dec 4, 2025 | Dec 4, 2025 | Resolved |
| cwa | Management Practice Violations - Best Management Practice Deficiencies | Dec 4, 2025 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Dec 4, 2025 | — | Open |
| cwa | PR: Failure to sample at least 80% of SIU/CIUs within the past 12 month reporting period (Level II) | Dec 31, 2024 | — | Open |
| cwa | Management Practice Violations - Failure to Develop/Enforce Standards | Jun 24, 1993 | Dec 31, 1994 | Resolved |
| cwa | Pretreatment - Failure to Enforce Against I/U | Jun 10, 1992 | Apr 20, 1993 | Resolved |
| cwa | Management Practice Violations - Failure to Develop/Enforce Standards | Dec 31, 1990 | Apr 20, 1993 | Resolved |
| cwa | Pretreatment - Failure to Issue SIU Permits | Dec 31, 1990 | Jul 1, 1991 | Resolved |
| cwa | Pretreatment - Failure to submit required report (non-DMR) | Apr 1, 1990 | Sep 30, 1990 | Resolved |
| cwa | Pretreatment - Failure to Issue SIU Permits | Jun 15, 1989 | Dec 31, 1989 | 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 |
|---|---|---|---|---|---|---|
| Coliform, fecal general | DMR, Limited - Numeric Violation | 1,010.00 MPN/100mL | 1,000.00 | +1% | May 2025 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 2,000.00 MPN/100mL | 1,000.00 | +100% | Jul 2023 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 2,700.00 MPN/100mL | 1,000.00 | +170% | Aug 2021 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 6,800.00 MPN/100mL | 1,000.00 | +580% | Aug 2019 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 2,100.00 MPN/100mL | 1,000.00 | +110% | Jul 2019 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 1,100.00 MPN/100mL | 1,000.00 | +10% | Jun 2019 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 3,300.00 MPN/100mL | 1,000.00 | +230% | May 2016 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 1.58 mg/L | 1.20 | +32% | Nov 2015 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 1.40 mg/L | 1.20 | +17% | Oct 2015 | 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.