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Sewage treatment plant, major discharger, Elizabethtown, Pennsylvania. NPDES permit PA0023108, in force until Apr 30, 2027. Last 12 months: over a limit 2 times (last February 2026), 53 required values missing. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| October 2025 | Chlorine, total residual, monthly average | < .52 mg/L | ≤ .44 mg/L | 18% |
| February 2026 | Chlorine, total residual, monthly average | .54 mg/L | ≤ .44 mg/L | 23% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Oxygen, dissolved [DO] | instantaneous minimum | ≥ 5 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) | all year | 001 |
| BOD, 5-day, 20 deg. C | monthly average | report only (lb/d) | all year | 001 |
| BOD, 5-day, 20 deg. C | daily maximum | report only (lb/d) | all year | 001 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 001 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 001 |
| Solids, total suspended | weekly average | ≤ 45 mg/L | all year | 001 |
| Solids, total suspended | monthly average | ≤ 1126 lb/d | all year | 001 |
| Solids, total suspended | weekly average | ≤ 1689 lb/d | all year | 001 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 001 |
| Solids, total suspended | monthly average | report only (lb/d) | all year | 001 |
| Solids, total suspended | daily maximum | report only (lb/d) | all year | 001 |
| Nitrogen, total [as N] | monthly average | ≤ 8 mg/L | all year | 001 |
| Nitrogen, total [as N] | monthly average | ≤ 300 lb/d | all year | 001 |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | all year | 001 |
| Nitrogen, ammonia total [as N] | monthly average | report only (lb/d) | all year | 001 |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/L) | all year | 001 |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | all year | 001 |
| Phosphorus, total [as P] | monthly average | ≤ 1 mg/L | all year | 001 |
| Phosphorus, total [as P] | monthly average | ≤ 37.5 lb/d | all year | 001 |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | all year | 001 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 001 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 001 |
| Chlorine, total residual | monthly average | ≤ .5 mg/L | all year | 001 |
| Chlorine, total residual | instantaneous maximum | ≤ 1.6 mg/L | all year | 001 |
| E. coli | instantaneous maximum | report only (#/100mL) | all year | 001 |
| Nitrogen, Total | monthly total | report only (lb) | all year | 001 |
| Nitrogen, Total | annual total | report only (lb) | all year | 001 |
| Nitrogen, Total | annual total | ≤ 109500 lb | all year | 001 |
| Nitrogen, Ammonia Total | monthly total | report only (lb) | all year | 001 |
| Nitrogen, Ammonia Total | annual total | report only (lb) | all year | 001 |
| Nitrogen, Kjeldahl Total | monthly total | report only (lb) | all year | 001 |
| Nitrite Plus Nitrate Total | monthly total | report only (lb) | all year | 001 |
| Phosphorus, Total | monthly total | report only (lb) | all year | 001 |
| Phosphorus, Total | annual total | report only (lb) | all year | 001 |
| Phosphorus, Total | annual total | ≤ 13688 lb | all year | 001 |
| Coliform, fecal general | geometric mean | ≤ 200 #/100mL | May–Sep | 001 |
| Coliform, fecal general | geometric mean | ≤ 2000 #/100mL | Jan, Feb, Mar, Apr, Oct, Nov, Dec | 001 |
| Coliform, fecal general | instantaneous maximum | ≤ 1000 #/100mL | May–Sep | 001 |
| Coliform, fecal general | instantaneous maximum | ≤ 10000 #/100mL | Jan, Feb, Mar, Apr, Oct, Nov, Dec | 001 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 25 mg/L | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 37.5 mg/L | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 938 lb/d | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 1407 lb/d | all year | 001 |
| Oxygen, dissolved [DO] | instantaneous minimum | ≥ 5 mg/L | all year | 002 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 002 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 002 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 002 |
| Solids, total suspended | weekly average | ≤ 45 mg/L | all year | 002 |
| Nitrogen, total [as N] | monthly average | ≤ 8 mg/L | all year | 002 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 8 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 002 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 5 mg/L | May–Oct | 002 |
| Phosphorus, total [as P] | monthly average | ≤ 1 mg/L | all year | 002 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 002 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 002 |
| Chlorine, total residual | monthly average | ≤ .44 mg/L | all year | 002 |
| Chlorine, total residual | instantaneous maximum | ≤ 1.43 mg/L | all year | 002 |
| E. coli | instantaneous maximum | report only (#/100mL) | all year | 002 |
| Coliform, fecal general | geometric mean | ≤ 200 #/100mL | May–Sep | 002 |
| Coliform, fecal general | geometric mean | ≤ 2000 #/100mL | Jan, Feb, Mar, Apr, Oct, Nov, Dec | 002 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 20 mg/L | all year | 002 |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 30 mg/L | all year | 002 |
Cited limits by parameter: Pennsylvania's rules and the federal ones.
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