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Refuse Systems, Ambridge, Pennsylvania. NPDES permit PA0090522, in force until Oct 31, 2029. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| pH | daily minimum | ≥ 6 SU | all year | 001 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 60 mg/L | all year | 001 |
| Oil & Grease | daily maximum | ≤ 20 mg/L | all year | 001 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | all year | 001 |
| Cadmium, total [as Cd] | daily maximum | report only (mg/L) | all year | 001 |
| Chromium, total [as Cr] | daily maximum | report only (mg/L) | all year | 001 |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | all year | 001 |
| Iron, total [as Fe] | daily maximum | ≤ 7 mg/L | all year | 001 |
| Lead, total [as Pb] | daily maximum | report only (mg/L) | all year | 001 |
| Manganese, total [as Mn] | daily maximum | ≤ 4 mg/L | all year | 001 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 001 |
| Tin, total [as Sn] | daily maximum | report only (mg/L) | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 001 |
| Perfluorooctanoic acid (PFOA) | annual average | report only (ng/L) | all year | 001 |
| Perfluorooctanesulfonate | annual average | report only (ng/L) | all year | 001 |
| Perfluorobutanesulfonic acid (PFBS) | annual average | report only (ng/L) | all year | 001 |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) | annual average | report only (ng/L) | all year | 001 |
| pH | instantaneous maximum | report only (SU) | all year | 002 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 002 |
| Oil & Grease | daily maximum | report only (mg/L) | all year | 002 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | all year | 002 |
| Cadmium, total [as Cd] | daily maximum | report only (mg/L) | all year | 002 |
| Chromium, total [as Cr] | daily maximum | report only (mg/L) | all year | 002 |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | all year | 002 |
| Iron, total [as Fe] | daily maximum | report only (mg/L) | all year | 002 |
| Lead, total [as Pb] | daily maximum | report only (mg/L) | all year | 002 |
| Manganese, total [as Mn] | daily maximum | report only (mg/L) | all year | 002 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 002 |
| Tin, total [as Sn] | daily maximum | report only (mg/L) | all year | 002 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 002 |
| pH | instantaneous maximum | report only (SU) | all year | 003 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 003 |
| Oil & Grease | daily maximum | report only (mg/L) | all year | 003 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | all year | 003 |
| Cadmium, total [as Cd] | daily maximum | report only (mg/L) | all year | 003 |
| Chromium, total [as Cr] | daily maximum | report only (mg/L) | all year | 003 |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | all year | 003 |
| Iron, total [as Fe] | daily maximum | report only (mg/L) | all year | 003 |
| Lead, total [as Pb] | daily maximum | report only (mg/L) | all year | 003 |
| Manganese, total [as Mn] | daily maximum | report only (mg/L) | all year | 003 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 003 |
| Tin, total [as Sn] | daily maximum | report only (mg/L) | all year | 003 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 003 |
Cited limits by parameter: Pennsylvania's rules and the federal ones.
Same industry: the 63 Refuse Systems permits in Pennsylvania.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/PA0090522 · MCP: https://passage-data.com/mcp