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Sewage treatment plant, Perkasie, Pennsylvania. NPDES permit PA0058343, in force until Sep 30, 2029. Last 12 months: over a limit 17 times (last June 2026), 34 required values missing. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| December 2025 | Solids, total suspended, weekly average | 16 mg/L | ≤ 15 mg/L | 7% |
| January 2026 | Coliform, fecal general, geometric mean | 457 #/100mL | ≤ 200 #/100mL | 129% |
| January 2026 | Coliform, fecal general, instantaneous maximum | 20000 #/100mL | ≤ 1000 #/100mL | 1900% |
| February 2026 | Coliform, fecal general, geometric mean | 4915 #/100mL | ≤ 200 #/100mL | 2358% |
| February 2026 | Coliform, fecal general, instantaneous maximum | 7900 #/100mL | ≤ 1000 #/100mL | 690% |
| February 2026 | Solids, total suspended, monthly average | 18 mg/L | ≤ 10 mg/L | 80% |
| February 2026 | Solids, total suspended, monthly average | 44 | ≤ 25 lb/d | 76% |
| February 2026 | Solids, total suspended, weekly average | 153 | ≤ 38 lb/d | 303% |
| February 2026 | Solids, total suspended, weekly average | 62 mg/L | ≤ 15 mg/L | 313% |
| March 2026 | Coliform, fecal general, instantaneous maximum | 3200 #/100mL | ≤ 1000 #/100mL | 220% |
| May 2026 | Phosphorus, total [as P], monthly average | .7 mg/L | ≤ .5 mg/L | 40% |
| June 2026 | Coliform, fecal general, instantaneous maximum | 17100 #/100mL | ≤ 1000 #/100mL | 1610% |
| June 2026 | Nitrogen, ammonia total [as N], monthly average | 5.1 mg/L | ≤ 1 mg/L | 410% |
| June 2026 | Nitrogen, ammonia total [as N], monthly average | 5.3 | ≤ 2.5 lb/d | 112% |
| June 2026 | Oxygen, dissolved [DO], instantaneous minimum | 1.67 mg/L | ≥ 5 mg/L | 67% |
| June 2026 | Phosphorus, total [as P], monthly average | 1.4 mg/L | ≤ .5 mg/L | 180% |
| June 2026 | Phosphorus, total [as P], monthly average | 2.88 | ≤ 1.26 lb/d | 129% |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Oxygen, dissolved [DO] | instantaneous minimum | ≥ 5 mg/L | all year |
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) | all year |
| BOD, 5-day, 20 deg. C | weekly average | 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 | weekly average | 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 | ≤ 10 mg/L | all year |
| Solids, total suspended | weekly average | ≤ 15 mg/L | all year |
| Solids, total suspended | monthly average | ≤ 25 lb/d | all year |
| Solids, total suspended | weekly average | ≤ 38 lb/d | all year |
| Solids, total suspended | monthly average | report only (mg/L) | all year |
| Solids, total suspended | weekly average | report only (mg/L) | all year |
| Solids, total suspended | monthly average | report only (lb/d) | all year |
| Solids, total suspended | weekly average | report only (lb/d) | all year |
| Nitrogen, total [as N] | monthly average | report only (mg/L) | all year |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1 mg/L | May–Oct |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 5 lb/d | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2.5 lb/d | May–Oct |
| Nitrite + Nitrate total [as N] | monthly average | ≤ 10 mg/L | all year |
| Nitrite + Nitrate total [as N] | monthly average | ≤ 25 lb/d | all year |
| Phosphorus, total [as P] | monthly average | ≤ .6 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| Phosphorus, total [as P] | monthly average | ≤ .5 mg/L | May–Oct |
| Phosphorus, total [as P] | monthly average | ≤ 1.51 lb/d | Jan, Feb, Mar, Apr, Nov, Dec |
| Phosphorus, total [as P] | monthly average | ≤ 1.26 lb/d | May–Oct |
| Ultraviolet light intensity | daily minimum | report only (mW/cm2) | all year |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year |
| E. coli | instantaneous maximum | report only (#/100mL) | all year |
| Solids, total dissolved | quarterly average | report only (mg/L) | all year |
| Coliform, fecal general | geometric mean | ≤ 200 #/100mL | Jan, Feb, Mar, Apr, Oct, Nov, Dec |
| Coliform, fecal general | geometric mean | ≤ 200 #/100mL | May–Sep |
| Coliform, fecal general | instantaneous maximum | ≤ 1000 #/100mL | Jan, Feb, Mar, Apr, Oct, Nov, Dec |
| Coliform, fecal general | instantaneous maximum | ≤ 1000 #/100mL | May–Sep |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 20 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 10 mg/L | May–Oct |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 30 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 15 mg/L | May–Oct |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 50 lb/d | Jan, Feb, Mar, Apr, Nov, Dec |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 25 lb/d | May–Oct |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 76 lb/d | Jan, Feb, Mar, Apr, Nov, Dec |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 38 lb/d | May–Oct |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (mg/L) | all year |
| BOD, carbonaceous [5 day, 20 C] | weekly average | report only (mg/L) | all year |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (lb/d) | all year |
| BOD, carbonaceous [5 day, 20 C] | weekly average | report only (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
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