AVONDALE BORO 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
-
126 WEST STATE ST
AVONDALE, PA 19311
View on map ↗ - County
- CHESTER County
- Inspections
- 6 · last Nov 18, 2025
- Total Penalties
- $0 · last Nov 14, 2007
- Registry ID
- 110010128290
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 | Management Practice Violations - Improper Operation and Maintenance | May 10, 2022 | — | 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 |
|---|---|---|---|---|---|---|
| Solids, total suspended | DMR, Limited - Numeric Violation | 45.74 mg/L | 27.00 | +69% | Jan 2026 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 52.22 kg/d | 51.07 | +2% | Jan 2026 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 2.13 mg/L | 2.00 | +7% | Jan 2026 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 45.75 mg/L | 18.00 | +154% | Jan 2026 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 52.22 kg/d | 34.05 | +53% | Jan 2026 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 379.12 MPN/100mL | 200.00 | +90% | Sep 2025 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 1,733.00 MPN/100mL | 1,000.00 | +73% | Sep 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 1.70 mg/L | 1.20 | +42% | Jul 2021 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2.36 kg/d | 2.27 | +4% | Jul 2021 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 3.47 kg/d | 2.27 | +53% | Jun 2021 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2.13 mg/L | 1.20 | +77% | Jun 2021 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2.16 mg/L | 1.20 | +80% | May 2021 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 3.31 kg/d | 2.27 | +46% | May 2021 | Resolved |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 45,000.00 MPN/100mL | 1,000.00 | +4,400% | Oct 2020 | Open |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 21.57 mg/L | 20.00 | +8% | Jun 2020 | 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.