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Sewage treatment plant, Dilliner, Pennsylvania. NPDES permit PA0028452, in force until Jul 31, 2029. Last 12 months: over a limit once (last May 2026), 28 required values missing. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| May 2026 | Nitrogen, ammonia total [as N], weekly average | 9.1 mg/L | ≤ 8.3 mg/L | 10% |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Oxygen, dissolved [DO] | instantaneous minimum | ≥ 4 mg/L | all year |
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) | all year |
| BOD, 5-day, 20 deg. C | daily maximum | report only (mg/L) | all year |
| BOD, 5-day, 20 deg. C | monthly average | report only (lb/d) | all year |
| BOD, 5-day, 20 deg. C | daily maximum | report only (lb/d) | 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 | weekly average | ≤ 45 mg/L | all year |
| Solids, total suspended | monthly average | ≤ 37.6 lb/d | all year |
| Solids, total suspended | weekly average | ≤ 56.3 lb/d | all year |
| Solids, total suspended | monthly average | report only (mg/L) | all year |
| Solids, total suspended | daily maximum | report only (mg/L) | all year |
| Solids, total suspended | monthly average | report only (lb/d) | all year |
| Solids, total suspended | daily maximum | report only (lb/d) | all year |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 5.5 mg/L | May–Oct |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 16.5 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 8.3 mg/L | May–Oct |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 24.8 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 6.9 lb/d | May–Oct |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 20.7 lb/d | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 10.3 lb/d | May–Oct |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 31 lb/d | Jan, Feb, Mar, Apr, Nov, Dec |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year |
| Flow, in conduit or thru treatment plant | monthly average | ≤ .15 MGD | all year |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year |
| E. coli | instantaneous maximum | report only (#/100mL) | all year |
| Ultraviolet light dosage | monthly average | report only (mJ/cm2) | all year |
| Coliform, fecal general | geometric mean | ≤ 200 #/100mL | May–Sep |
| Coliform, fecal general | geometric mean | ≤ 2000 #/100mL | Jan, Feb, Mar, Apr, Oct, Nov, Dec |
| Coliform, fecal general | instantaneous maximum | ≤ 1000 #/100mL | May–Sep |
| 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] | weekly average | ≤ 38 mg/L | all year |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 31.3 lb/d | all year |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 47.6 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/PA0028452 · MCP: https://passage-data.com/mcp