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Elementary And Secondary Schools, Bernville, Pennsylvania. NPDES permit PA0051748, in force until Oct 31, 2030. Last 12 months: no values over a limit, 17 required values missing. Source: EPA ECHO, Oct 22, 2026.
| 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 | instantaneous maximum | ≤ 60 mg/L | all year |
| Nitrogen, total [as N] | quarterly average | report only (mg/L) | all year |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 17.4 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 5.8 mg/L | May–Oct |
| Nitrogen, ammonia total [as N] | instantaneous maximum | ≤ 34.8 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, ammonia total [as N] | instantaneous maximum | ≤ 11.6 mg/L | May–Oct |
| Nitrogen, Kjeldahl, total [as N] | quarterly average | report only (mg/L) | all year |
| Nitrite + Nitrate total [as N] | quarterly average | report only (mg/L) | all year |
| Phosphorus, total [as P] | monthly average | ≤ 1 mg/L | all year |
| Phosphorus, total [as P] | instantaneous maximum | ≤ 2 mg/L | 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 | ≤ 1.6 mg/L | 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 | ≤ 2000 #/100mL | Jan, Feb, Mar, Apr, Oct, Nov, Dec |
| Coliform, fecal general | geometric mean | ≤ 200 #/100mL | May–Sep |
| Coliform, fecal general | instantaneous maximum | ≤ 10000 #/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 | ≤ 25 mg/L | all year |
| BOD, carbonaceous [5 day, 20 C] | instantaneous maximum | ≤ 50 mg/L | all year |
| Parameter | New limit | New or tighter | Median, last 12 months | × new limit |
|---|---|---|---|---|
| Chlorine, total residual, monthly average | 0.25 mg/L | tighter | 0.28 mg/L (9 values) | 1.12× |
| Chlorine, total residual, instantaneous maximum | 0.82 mg/L | tighter | 0.64 mg/L (9 values) | 0.78× |
Cited limits by parameter: Pennsylvania's rules and the federal ones.
Same industry: the 99 Educational Services permits in Pennsylvania.
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