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Sewerage Systems, Thornhurst Township, Pennsylvania. NPDES permit PA0060411, in force until Feb 28, 2027. Last 12 months: over a limit once (last May 2026), 19 required values missing. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| May 2026 | Coliform, fecal general, instantaneous maximum | 5750 #/100mL | ≤ 1000 #/100mL | 475% |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Oxygen, dissolved [DO] | instantaneous minimum | ≥ 5 mg/L | all year |
| pH | instantaneous minimum | ≥ 6 SU | all year |
| pH | instantaneous maximum | ≤ 9 SU | all year |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year |
| Solids, total suspended | monthly average | report only (mg/L) | all year |
| Nitrogen, total [as N] | annual average | report only (mg/L) | all year |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 3 mg/L | May–Oct |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 9 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, Kjeldahl, total [as N] | annual average | report only (mg/L) | all year |
| Nitrite + Nitrate total [as N] | annual average | report only (mg/L) | all year |
| Phosphorus, total [as P] | monthly average | ≤ 1 mg/L | all year |
| Ultraviolet light intensity | instantaneous minimum | report only (mW/cm2) | all year |
| Ultraviolet light intensity | monthly average | report only (mW/cm2) | all year |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year |
| Chlorine, total residual | monthly average | ≤ .5 mg/L | all year |
| Chlorine, total residual | instantaneous maximum | ≤ 1.1 mg/L | all year |
| E. coli | instantaneous maximum | report only (#/100mL) | all year |
| Solids, total dissolved | quarterly average | ≤ 1000 mg/L | all year |
| Coliform, fecal general | geometric mean | ≤ 200 #/100mL | all year |
| Coliform, fecal general | instantaneous maximum | ≤ 1000 #/100mL | all year |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 20 mg/L | all year |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (mg/L) | all year |
| BOD, carb-5 day, 20 deg C, percent removal | monthly average minimum | report only (%) | all year |
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/PA0060411 · MCP: https://passage-data.com/mcp