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Industrial or other facility, Hummelstown, Pennsylvania. NPDES permit PA0594211, in force until Mar 17, 2027. Last 12 months: over a limit once (last March 2026), 54 required values missing. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit |
|---|---|---|---|
| March 2026 | pH, instantaneous minimum | 5.1 SU | ≥ 6 SU |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| pH | instantaneous minimum | ≥ 6 SU | all year | 001 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 001 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 001 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 001 |
| Alkalinity, total [as CaCO3] | instantaneous maximum | report only (mg/L) | all year | 001 |
| Alkalinity, total [as CaCO3] | instantaneous maximum | report only (mg/L) | all year | 001 |
| Acidity, total [as CaCO3] | instantaneous maximum | report only (mg/L) | all year | 001 |
| Acidity, total [as CaCO3] | instantaneous maximum | report only (mg/L) | all year | 001 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 001 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 001 |
| Solids, total suspended | instantaneous maximum | ≤ 90 mg/L | all year | 001 |
| Solids, total suspended | instantaneous maximum | ≤ 90 mg/L | all year | 001 |
| Oil & Grease | instantaneous maximum | report only (mg/L) | all year | 001 |
| Flow, in conduit or thru treatment plant | monthly average | ≤ 1.7 MGD | all year | 001 |
| Flow, in conduit or thru treatment plant | monthly average | ≤ 1.7 MGD | all year | 001 |
| Alkalinity - Acidity [as CaCO3] | instantaneous minimum | ≥ 0 mg/L | all year | 001 |
| Alkalinity - Acidity [as CaCO3] | instantaneous minimum | ≥ 0 mg/L | all year | 001 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 002 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 002 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 002 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 002 |
| Alkalinity, total [as CaCO3] | instantaneous maximum | report only (mg/L) | all year | 002 |
| Alkalinity, total [as CaCO3] | instantaneous maximum | report only (mg/L) | all year | 002 |
| Acidity, total [as CaCO3] | instantaneous maximum | report only (mg/L) | all year | 002 |
| Acidity, total [as CaCO3] | instantaneous maximum | report only (mg/L) | all year | 002 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 002 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 002 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 002 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 002 |
| Solids, total suspended | instantaneous maximum | ≤ 90 mg/L | all year | 002 |
| Solids, total suspended | instantaneous maximum | ≤ 90 mg/L | all year | 002 |
| Oil & Grease | instantaneous maximum | report only (mg/L) | all year | 002 |
| Flow, in conduit or thru treatment plant | monthly average | ≤ 1.7 MGD | all year | 002 |
| Flow, in conduit or thru treatment plant | monthly average | ≤ 1.7 MGD | all year | 002 |
| Alkalinity - Acidity [as CaCO3] | instantaneous minimum | ≥ 0 mg/L | all year | 002 |
| Alkalinity - Acidity [as CaCO3] | instantaneous minimum | ≥ 0 mg/L | all year | 002 |
Cited limits by parameter: Pennsylvania's rules and the federal ones.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/PA0594211 · MCP: https://passage-data.com/mcp