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Sewage treatment plant, major discharger, Rochester, Pennsylvania. NPDES permit PA0026140 expired Feb 29, 2016; its limits still apply. Last 12 months: over a limit 4 times (last December 2025), 15 required values missing. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| October 2025 | Coliform, fecal general, instantaneous maximum | > 2420 CFU/100mL | ≤ 10000 #/100mL | — |
| December 2025 | Chlorine, total residual, instantaneous maximum | 3 mg/L | ≤ 1 mg/L | 200% |
| December 2025 | Chlorine, total residual, monthly average | .6 mg/L | ≤ .5 mg/L | 20% |
| December 2025 | Solids, total suspended, maximum weekly average | 70 mg/L | ≤ 45 mg/L | 56% |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| pH | minimum | ≥ 6 SU | all year |
| pH | maximum | ≤ 9 SU | all year |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year |
| Solids, total suspended | maximum weekly average | ≤ 45 mg/L | all year |
| Solids, total suspended | monthly average | ≤ 350 lb/d | all year |
| Solids, total suspended | maximum weekly average | ≤ 525.7 lb/d | 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 mg/L | all year |
| Coliform, fecal general | monthly geometric mean | ≤ 200 #/100mL | May–Sep |
| Coliform, fecal general | monthly geometric mean | ≤ 2000 #/100mL | Jan, Feb, Mar, Apr, Oct, Nov, Dec |
| Coliform, fecal general | instantaneous maximum | ≤ 10000 #/100mL | Jan, Feb, Mar, Apr, Oct, Nov, Dec |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 25 mg/L | all year |
| BOD, carbonaceous [5 day, 20 C] | maximum weekly average | ≤ 37.5 mg/L | all year |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 292.1 lb/d | all year |
| BOD, carbonaceous [5 day, 20 C] | maximum weekly average | ≤ 438.1 lb/d | 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/PA0026140 · MCP: https://passage-data.com/mcp