Non-Compliance
Clean Water Act
WESTTOWN-CHESTER CREEK 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
-
904 WESTTOWN RD
WESTCHESTER, PA 19382
View on map ↗ - County
- CHESTER County
- Inspections
- 6 · last Sep 4, 2025
- Total Penalties
- $0 · last Jun 3, 2009
- Registry ID
- 110039759758
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
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 | 79.00 mg/L | 45.00 | +76% | May 2023 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 17.30 kg/d | 3.72 | +365% | Dec 2022 | Open |
| Copper, total [as Cu] | DMR, Limited - Numeric Violation | 0.45 kg/d | 0.05 | +733% | Dec 2022 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 50.00 mg/L | 45.00 | +11% | Aug 2021 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 1.30 mg/L | 1.00 | +30% | Aug 2021 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 1.10 mg/L | 1.00 | +10% | May 2020 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 2.59 kg/d | 1.86 | +39% | Sep 2019 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 2.30 mg/L | 1.00 | +130% | Sep 2019 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 57.20 kg/d | 43.13 | +33% | Jun 2019 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 46.00 mg/L | 23.00 | +100% | Jun 2019 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 8.70 mg/L | 7.50 | +16% | Dec 2018 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 1.30 mg/L | 1.00 | +30% | Jul 2018 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 1.20 mg/L | 1.00 | +20% | Oct 2017 | 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.
State CWA Penalty AO
Clean Water Act
· Case PA-0031771_06032009 · Jun 3, 2009
$975
State CWA Penalty AO
Clean Water Act
· Case PA-0031771_08012003 · Aug 1, 2003
$3,499
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