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Sewerage Systems, Covington Twp, Pennsylvania. NPDES permit PA0061603, in force until Mar 31, 2029. Last 12 months: over a limit 29 times (last June 2026), 25 required values missing, 3 of 13 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| October 2025 | BOD, carbonaceous [5 day, 20 C], monthly average | 13.2 mg/L | ≤ 10 mg/L | 32% |
| October 2025 | Nitrogen, ammonia total [as N], monthly average | 56 mg/L | ≤ 2.5 mg/L | 2140% |
| October 2025 | Nitrogen, ammonia total [as N], monthly average | 86 | ≤ 10.5 lb/d | 719% |
| October 2025 | Phosphorus, total [as P], monthly average | 2.1 mg/L | ≤ 1 mg/L | 110% |
| November 2025 | BOD, carbonaceous [5 day, 20 C], monthly average | 13.5 mg/L | ≤ 10 mg/L | 35% |
| November 2025 | Chlorine, total residual, instantaneous maximum | 3 mg/L | ≤ .04 mg/L | 7400% |
| November 2025 | Chlorine, total residual, monthly average | < .52 mg/L | ≤ .02 mg/L | 2500% |
| November 2025 | Nitrogen, ammonia total [as N], monthly average | 34.2 mg/L | ≤ 7.5 mg/L | 356% |
| November 2025 | Nitrogen, ammonia total [as N], monthly average | 54 | ≤ 31.5 lb/d | 71% |
| December 2025 | Nitrogen, ammonia total [as N], monthly average | 8.6 mg/L | ≤ 7.5 mg/L | 15% |
| January 2026 | Chlorine, total residual, instantaneous maximum | .33 mg/L | ≤ .04 mg/L | 725% |
| January 2026 | Chlorine, total residual, monthly average | < .06 mg/L | ≤ .02 mg/L | 200% |
| February 2026 | Solids, total suspended, monthly average | 12.8 mg/L | ≤ 10 mg/L | 28% |
| March 2026 | BOD, carbonaceous [5 day, 20 C], monthly average | 101 mg/L | ≤ 10 mg/L | 910% |
| March 2026 | BOD, carbonaceous [5 day, 20 C], monthly average | 44.2 | ≤ 42 lb/d | 5% |
| March 2026 | Chlorine, total residual, instantaneous maximum | 1 mg/L | ≤ .04 mg/L | 2400% |
| March 2026 | Chlorine, total residual, monthly average | .4 mg/L | ≤ .02 mg/L | 1900% |
| March 2026 | Solids, total suspended, monthly average | 10.1 mg/L | ≤ 10 mg/L | 1% |
| April 2026 | Chlorine, total residual, instantaneous maximum | 1 mg/L | ≤ .04 mg/L | 2400% |
| April 2026 | Chlorine, total residual, monthly average | .14 mg/L | ≤ .02 mg/L | 600% |
| May 2026 | BOD, carbonaceous [5 day, 20 C], monthly average | < 1561.5 mg/L | ≤ 10 mg/L | 15515% |
| May 2026 | BOD, carbonaceous [5 day, 20 C], monthly average | < 1893 | ≤ 42 lb/d | 4407% |
| May 2026 | Coliform, fecal general, geometric mean | 408 #/100mL | ≤ 200 #/100mL | 104% |
| May 2026 | Coliform, fecal general, instantaneous maximum | 1732.9 #/100mL | ≤ 1000 #/100mL | 73% |
| May 2026 | Nitrite + Nitrate total [as N], monthly average | 30.2 mg/L | ≤ 10 mg/L | 202% |
| May 2026 | Nitrogen, ammonia total [as N], monthly average | 11 | ≤ 10.5 lb/d | 5% |
| May 2026 | Nitrogen, ammonia total [as N], monthly average | 8.8 mg/L | ≤ 2.5 mg/L | 252% |
| June 2026 | Coliform, fecal general, instantaneous maximum | 1119.9 #/100mL | ≤ 1000 #/100mL | 12% |
| June 2026 | Nitrogen, ammonia total [as N], monthly average | 4 mg/L | ≤ 2.5 mg/L | 60% |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Oxygen, dissolved [DO] | instantaneous minimum | ≥ 7 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 | monthly average | ≤ 42 lb/d | all year |
| Nitrogen, total [as N] | monthly average | report only (mg/L) | all year |
| Nitrogen, total [as N] | monthly average | report only (lb/d) | all year |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 7.5 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2.5 mg/L | May–Oct |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 31.5 lb/d | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 10.5 lb/d | May–Oct |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/L) | all year |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (lb/d) | all year |
| Nitrite + Nitrate total [as N] | monthly average | ≤ 10 mg/L | all year |
| Nitrite + Nitrate total [as N] | monthly average | ≤ 42 lb/d | all year |
| Phosphorus, total [as P] | monthly average | ≤ 1 mg/L | all year |
| Phosphorus, total [as P] | monthly average | ≤ 4.2 lb/d | 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 | ≤ .02 mg/L | all year |
| Chlorine, total residual | instantaneous maximum | ≤ .04 mg/L | all year |
| E. coli | instantaneous maximum | report only (#/100mL) | all year |
| Solids, total dissolved | quarterly average | ≤ 1000 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 | ≤ 10 mg/L | all year |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 42 lb/d | all year |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (mg/L) | all year |
| BOD, carb-5 day, 20 deg C, percent removal | monthly average | report only (%) | all year |
| Parameter | New limit | New or tighter | Median, last 12 months | × new limit |
|---|---|---|---|---|
| Nitrogen, ammonia total [as N], monthly average | 1.4 mg/L (May–Oct) | tighter | 8.8 mg/L (3 values) | 6.29× |
| Nitrogen, ammonia total [as N], monthly average | 5.8 lb/d (May–Oct) | tighter | 11 lb/d (3 values) | 1.9× |
| Nitrogen, ammonia total [as N], monthly average | 17.5 lb/d (Jan, Feb, Mar, Apr, Nov, Dec) | tighter | 7 lb/d (6 values) | 0.4× |
| Nitrogen, ammonia total [as N], monthly average | 4.2 mg/L (Jan, Feb, Mar, Apr, Nov, Dec) | tighter | 3.75 mg/L (6 values) | 0.893× |
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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