Non-Compliance
Clean Water Act
HISTORIC SALEM VILLAGE 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
-
2193 YELLOW SPRINGS ROAD
MALVERN, PA 19355
View on map ↗ - County
- CHESTER County
- Inspections
- 2 · last Jul 15, 2025
- Total Penalties
- $0 · last Mar 20, 2003
- Registry ID
- 110010971430
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.
5
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 |
|---|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 7.08 mg/L | 2.00 | +254% | Jul 2024 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 4.92 mg/L | 2.00 | +146% | Jun 2024 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 14.30 mg/L | 2.00 | +615% | May 2024 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 10.61 mg/L | 4.50 | +136% | Feb 2024 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 15.60 mg/L | 4.50 | +247% | Jan 2024 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 33.60 mg/L | 20.00 | +68% | Nov 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 22.00 mg/L | 4.50 | +389% | Nov 2023 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 22.10 mg/L | 2.00 | +1,005% | Oct 2023 | Resolved |
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 5.58 mg/L | 6.00 | +7% | Oct 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 15.40 mg/L | 4.50 | +242% | Jan 2023 | Resolved |
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 5.72 mg/L | 6.00 | +5% | Dec 2022 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 172.00 mg/L | 20.00 | +760% | Nov 2022 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 4.97 mg/L | 2.00 | +148% | Oct 2022 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 7.78 mg/L | 2.00 | +289% | Jun 2022 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 3.80 mg/L | 2.00 | +90% | May 2022 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 58.00 mg/L | 20.00 | +190% | May 2022 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 5.84 mg/L | 2.00 | +192% | May 2022 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 25.75 mg/L | 20.00 | +29% | Apr 2022 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 19.29 mg/L | 4.50 | +329% | Dec 2021 | Resolved |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 2.97 mg/L | 2.00 | +49% | Feb 2021 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 18.20 mg/L | 4.50 | +304% | Feb 2021 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 12.00 mg/L | 2.00 | +500% | Sep 2020 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 4.61 mg/L | 2.00 | +131% | Aug 2020 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 5.22 mg/L | 2.00 | +161% | Jul 2020 | Resolved |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 3,500.00 MPN/100mL | 1,000.00 | +250% | Jun 2020 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 3,500.00 MPN/100mL | 200.00 | +1,650% | Jun 2020 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 29.80 mg/L | 2.00 | +1,390% | May 2020 | Resolved |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 2.25 mg/L | 2.00 | +13% | May 2020 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 14.20 mg/L | 4.50 | +216% | Mar 2020 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 25.20 mg/L | 20.00 | +26% | Feb 2020 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 2.59 mg/L | 2.00 | +30% | Feb 2020 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 29.50 mg/L | 15.00 | +97% | Feb 2020 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 5.38 mg/L | 4.50 | +20% | Feb 2020 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 10.40 mg/L | 2.00 | +420% | Jul 2019 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 9.09 mg/L | 2.00 | +355% | Jun 2019 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 27.10 mg/L | 2.00 | +1,255% | May 2019 | Resolved |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 283.00 MPN/100mL | 200.00 | +42% | Oct 2018 | 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-0056731_03202003 · Mar 20, 2003
$4,000
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