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Sewage treatment plant, major discharger, Ashland, Pennsylvania. NPDES permit PA0023558, in force until Feb 28, 2031. Last 12 months: over a limit 10 times (last June 2026), 114 required values missing, 3 of 20 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| October 2025 | Coliform, fecal general, instantaneous maximum | > 2420 CFU/100mL | ≤ 10000 CFU/100mL | — |
| November 2025 | Coliform, fecal general, instantaneous maximum | 24200 CFU/100mL | ≤ 10000 CFU/100mL | 142% |
| February 2026 | Coliform, fecal general, instantaneous maximum | > 2420 CFU/100mL | ≤ 10000 CFU/100mL | — |
| March 2026 | Iron, total [as Fe], monthly average | 1550 ug/L | ≤ 1500 ug/L | 3% |
| March 2026 | Manganese, total [as Mn], monthly average | 12.3 | ≤ 10.8 lb/d | 14% |
| March 2026 | Manganese, total [as Mn], monthly average | 1240 ug/L | ≤ 1000 ug/L | 24% |
| April 2026 | Manganese, total [as Mn], monthly average | 1100 ug/L | ≤ 1000 ug/L | 10% |
| May 2026 | Manganese, total [as Mn], monthly average | 1280 ug/L | ≤ 1000 ug/L | 28% |
| May 2026 | Manganese, total [as Mn], monthly average | 13.1 | ≤ 10.8 lb/d | 21% |
| June 2026 | Manganese, total [as Mn], monthly average | 1090 ug/L | ≤ 1000 ug/L | 9% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Oxygen, dissolved [DO] | instantaneous minimum | report only (mg/L) | 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 | ≤ 325 lb/d | all year | 001 |
| Solids, total suspended | weekly average | ≤ 488 lb/d | all year | 001 |
| Nitrogen, total [as N] | monthly average | report only (mg/L) | all year | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 11.3 mg/L | May–Oct | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 25 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 22.6 mg/L | May–Oct | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 50 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | monthly average | report only (lb/d) | May–Oct | 001 |
| Nitrogen, ammonia total [as N] | monthly average | report only (lb/d) | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (lb/d) | May–Oct | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (lb/d) | Jan, Feb, Mar, Apr, Nov, Dec | 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 | report only (mg/L) | all year | 001 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 001 |
| Phosphorus, total [as P] | monthly average | report only (lb/d) | all year | 001 |
| Phosphorus, total [as P] | daily maximum | report only (lb/d) | all year | 001 |
| Cadmium, total [as Cd] | monthly average | report only (ug/L) | all year | 001 |
| Cadmium, total [as Cd] | daily maximum | report only (ug/L) | all year | 001 |
| Cadmium, total [as Cd] | monthly average | report only (lb/d) | all year | 001 |
| Cadmium, total [as Cd] | daily maximum | report only (lb/d) | all year | 001 |
| Copper, total [as Cu] | monthly average | report only (ug/L) | all year | 001 |
| Copper, total [as Cu] | daily maximum | report only (ug/L) | all year | 001 |
| Copper, total [as Cu] | monthly average | report only (lb/d) | all year | 001 |
| Copper, total [as Cu] | daily maximum | report only (lb/d) | all year | 001 |
| Iron, total [as Fe] | monthly average | ≤ 1500 ug/L | all year | 001 |
| Iron, total [as Fe] | daily maximum | ≤ 1819 ug/L | all year | 001 |
| Iron, total [as Fe] | monthly average | ≤ 16.3 lb/d | all year | 001 |
| Iron, total [as Fe] | daily maximum | ≤ 19.7 lb/d | all year | 001 |
| Iron, dissolved [as Fe] | monthly average | ≤ 300 ug/L | all year | 001 |
| Iron, dissolved [as Fe] | daily maximum | ≤ 600 ug/L | all year | 001 |
| Iron, dissolved [as Fe] | monthly average | ≤ 3.25 lb/d | all year | 001 |
| Iron, dissolved [as Fe] | daily maximum | ≤ 6.5 lb/d | all year | 001 |
| Lead, total [as Pb] | monthly average | report only (ug/L) | all year | 001 |
| Lead, total [as Pb] | daily maximum | report only (ug/L) | all year | 001 |
| Lead, total [as Pb] | monthly average | report only (lb/d) | all year | 001 |
| Lead, total [as Pb] | daily maximum | report only (lb/d) | all year | 001 |
| Manganese, total [as Mn] | monthly average | ≤ 1000 ug/L | all year | 001 |
| Manganese, total [as Mn] | daily maximum | ≤ 1326 ug/L | all year | 001 |
| Manganese, total [as Mn] | monthly average | ≤ 10.8 lb/d | all year | 001 |
| Manganese, total [as Mn] | daily maximum | ≤ 14.4 lb/d | all year | 001 |
| Zinc, total [as Zn] | monthly average | report only (ug/L) | all year | 001 |
| Zinc, total [as Zn] | daily maximum | report only (ug/L) | all year | 001 |
| Zinc, total [as Zn] | monthly average | report only (lb/d) | all year | 001 |
| Zinc, total [as Zn] | daily maximum | report only (lb/d) | all year | 001 |
| Aluminum, total [as Al] | monthly average | ≤ 750 ug/L | all year | 001 |
| Aluminum, total [as Al] | daily maximum | ≤ 750 ug/L | all year | 001 |
| Aluminum, total [as Al] | monthly average | ≤ 8.13 lb/d | all year | 001 |
| Aluminum, total [as Al] | daily maximum | ≤ 8.13 lb/d | 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 | ≤ 1 mg/L | all year | 001 |
| Chlorine, total residual | instantaneous maximum | ≤ 2 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 | ≤ 23744 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 | ≤ 3166 lb | all year | 001 |
| Perfluorooctanoic acid (PFOA) | quarterly average | report only (ng/L) | all year | 001 |
| Perfluorooctanoic acid (PFOA) | instantaneous maximum | report only (ng/L) | all year | 001 |
| Perfluorooctanoic acid (PFOA) | quarterly average | report only (lb/d) | all year | 001 |
| Perfluorooctanoic acid (PFOA) | daily maximum | report only (lb/d) | all year | 001 |
| Perfluorooctanesulfonate | quarterly average | report only (ng/L) | all year | 001 |
| Perfluorooctanesulfonate | instantaneous maximum | report only (ng/L) | all year | 001 |
| Perfluorooctanesulfonate | quarterly average | report only (lb/d) | all year | 001 |
| Perfluorooctanesulfonate | daily maximum | report only (lb/d) | all year | 001 |
| Perfluorobutanesulfonic acid (PFBS) | quarterly average | report only (ng/L) | all year | 001 |
| Perfluorobutanesulfonic acid (PFBS) | instantaneous maximum | report only (ng/L) | all year | 001 |
| Perfluorobutanesulfonic acid (PFBS) | quarterly average | report only (lb/d) | all year | 001 |
| Perfluorobutanesulfonic acid (PFBS) | daily maximum | report only (lb/d) | all year | 001 |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) | quarterly average | report only (ng/L) | all year | 001 |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) | instantaneous maximum | report only (ng/L) | all year | 001 |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) | quarterly average | report only (lb/d) | all year | 001 |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) | daily maximum | report only (lb/d) | all year | 001 |
| Coliform, fecal general | geometric mean | ≤ 2000 #/100mL | Jan, Feb, Mar, Apr, Oct, Nov, Dec | 001 |
| Coliform, fecal general | geometric mean | ≤ 200 #/100mL | May–Sep | 001 |
| Coliform, fecal general | instantaneous maximum | ≤ 10000 #/100mL | Jan, Feb, Mar, Apr, Oct, Nov, Dec | 001 |
| Coliform, fecal general | instantaneous maximum | ≤ 1000 #/100mL | May–Sep | 001 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 25 mg/L | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 40 mg/L | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 271 lb/d | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 434 lb/d | all year | 001 |
| BOD, 5-day, percent removal | monthly average minimum | report only (%) | all year | 001 |
| Solids, suspended percent removal | monthly average minimum | report only (%) | all year | 001 |
| Oxygen demand, chem. [high level] [COD] | instantaneous maximum | report only (mg/L) | all year | 011 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 011 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 011 |
| Solids, total suspended | instantaneous maximum | report only (mg/L) | all year | 011 |
| Oil & Grease | instantaneous maximum | ≤ 30 mg/L | all year | 011 |
| Nitrogen, total [as N] | instantaneous maximum | report only (mg/L) | all year | 011 |
| Nitrogen, Kjeldahl, total [as N] | instantaneous maximum | report only (mg/L) | all year | 011 |
| Nitrite + Nitrate total [as N] | instantaneous maximum | report only (mg/L) | all year | 011 |
| Phosphorus, total [as P] | instantaneous maximum | report only (mg/L) | all year | 011 |
| Iron, total [as Fe] | instantaneous maximum | report only (mg/L) | all year | 011 |
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) | all year | 101 |
| BOD, 5-day, 20 deg. C | daily maximum | report only (mg/L) | all year | 101 |
| BOD, 5-day, 20 deg. C | monthly average | report only (lb/d) | all year | 101 |
| BOD, 5-day, 20 deg. C | daily maximum | report only (lb/d) | all year | 101 |
| pH | instantaneous minimum | report only (SU) | all year | 101 |
| pH | instantaneous maximum | report only (SU) | all year | 101 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 101 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 101 |
| Solids, total suspended | monthly average | report only (lb/d) | all year | 101 |
| Solids, total suspended | daily maximum | report only (lb/d) | all year | 101 |
| Nitrogen, total [as N] | monthly average | report only (mg/L) | all year | 101 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 101 |
| Nitrogen, total [as N] | monthly average | report only (lb/d) | all year | 101 |
| Nitrogen, total [as N] | daily maximum | report only (lb/d) | all year | 101 |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/L) | all year | 101 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | all year | 101 |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (lb/d) | all year | 101 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (lb/d) | all year | 101 |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | all year | 101 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year | 101 |
| Nitrite + Nitrate total [as N] | monthly average | report only (lb/d) | all year | 101 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (lb/d) | all year | 101 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | 101 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 101 |
| Phosphorus, total [as P] | monthly average | report only (lb/d) | all year | 101 |
| Phosphorus, total [as P] | daily maximum | report only (lb/d) | all year | 101 |
| Iron, total [as Fe] | monthly average | report only (ug/L) | all year | 101 |
| Iron, total [as Fe] | daily maximum | report only (ug/L) | all year | 101 |
| Iron, total [as Fe] | monthly average | report only (lb/d) | all year | 101 |
| Iron, total [as Fe] | daily maximum | report only (lb/d) | all year | 101 |
| Iron, dissolved [as Fe] | monthly average | report only (ug/L) | all year | 101 |
| Iron, dissolved [as Fe] | daily maximum | report only (ug/L) | all year | 101 |
| Iron, dissolved [as Fe] | monthly average | report only (lb/d) | all year | 101 |
| Iron, dissolved [as Fe] | daily maximum | report only (lb/d) | all year | 101 |
| Manganese, total [as Mn] | monthly average | report only (ug/L) | all year | 101 |
| Manganese, total [as Mn] | daily maximum | report only (ug/L) | all year | 101 |
| Manganese, total [as Mn] | monthly average | report only (lb/d) | all year | 101 |
| Manganese, total [as Mn] | daily maximum | report only (lb/d) | all year | 101 |
| Aluminum, total [as Al] | monthly average | report only (ug/L) | all year | 101 |
| Aluminum, total [as Al] | daily maximum | report only (ug/L) | all year | 101 |
| Aluminum, total [as Al] | monthly average | report only (lb/d) | all year | 101 |
| Aluminum, total [as Al] | daily maximum | report only (lb/d) | all year | 101 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 101 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 101 |
| E. coli | instantaneous maximum | report only (#/100mL) | all year | 101 |
| Coliform, fecal general | instantaneous maximum | report only (#/100mL) | all year | 101 |
| Parameter | New limit | New or tighter | Median, last 12 months | × new limit |
|---|---|---|---|---|
| Chlorine, total residual, instantaneous maximum | 1.63 mg/L | tighter | 0.53 mg/L (9 values) | 0.325× |
| Chlorine, total residual, monthly average | 0.5 mg/L | tighter | 0.22 mg/L (9 values) | 0.44× |
Cited limits by parameter: Pennsylvania's rules and the federal ones.
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