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Sewage treatment plant, Perkasie, Pennsylvania. NPDES permit PA0244066 expired Apr 30, 2026; its limits still apply. Last 12 months: over a limit 12 times (last February 2026), 17 required values missing. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| December 2025 | BOD, carbonaceous [5 day, 20 C], monthly average | < 10.4 mg/L | ≤ 10 mg/L | 4% |
| January 2026 | Coliform, fecal general, geometric mean | 230 CFU/100mL | ≤ 50 CFU/100mL | 360% |
| February 2026 | BOD, carbonaceous [5 day, 20 C], instantaneous maximum | 44.8 mg/L | ≤ 20 mg/L | 124% |
| February 2026 | BOD, carbonaceous [5 day, 20 C], monthly average | 29 mg/L | ≤ 10 mg/L | 190% |
| February 2026 | Nitrogen, ammonia total [as N], monthly average | 23 mg/L | ≤ 3 mg/L | 667% |
| February 2026 | Nitrogen, total [as N], instantaneous maximum | < 33.4 mg/L | ≤ 20 mg/L | 67% |
| February 2026 | Nitrogen, total [as N], monthly average | < 25.84 mg/L | ≤ 10 mg/L | 158% |
| February 2026 | Oxygen, dissolved [DO], instantaneous minimum | 4.12 mg/L | ≥ 6 mg/L | 31% |
| February 2026 | Phosphorus, total [as P], instantaneous maximum | 1.37 mg/L | ≤ 1 mg/L | 37% |
| February 2026 | Phosphorus, total [as P], monthly average | 1.23 mg/L | ≤ .5 mg/L | 146% |
| February 2026 | Solids, total suspended, instantaneous maximum | 53 mg/L | ≤ 20 mg/L | 165% |
| February 2026 | Solids, total suspended, monthly average | 42 mg/L | ≤ 10 mg/L | 320% |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Oxygen, dissolved [DO] | instantaneous minimum | ≥ 6 mg/L | all year |
| pH | instantaneous minimum | ≥ 6 SU | all year |
| pH | instantaneous maximum | ≤ 9 SU | all year |
| Solids, total suspended | monthly average | ≤ 10 mg/L | all year |
| Solids, total suspended | instantaneous maximum | ≤ 20 mg/L | all year |
| Nitrogen, total [as N] | monthly average | ≤ 10 mg/L | all year |
| Nitrogen, total [as N] | instantaneous maximum | ≤ 20 mg/L | all year |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 3 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.5 mg/L | May–Oct |
| Phosphorus, total [as P] | monthly average | ≤ .5 mg/L | all year |
| Phosphorus, total [as P] | instantaneous maximum | ≤ 1 mg/L | 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 |
| Coliform, fecal general | geometric mean | ≤ 50 CFU/100mL | all year |
| Coliform, fecal general | instantaneous maximum | ≤ 1000 CFU/100mL | all year |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 10 mg/L | all year |
| BOD, carbonaceous [5 day, 20 C] | instantaneous maximum | ≤ 20 mg/L | 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/PA0244066 · MCP: https://passage-data.com/mcp