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Sewage treatment plant, major discharger, Shenandoah, Pennsylvania. NPDES permit PA0070386, in force until May 31, 2031. Last 12 months: no values over a limit, 164 required values missing. Source: EPA ECHO, Oct 22, 2026.
| 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 | ≤ 500 lb/d | all year | 001 |
| Solids, total suspended | weekly average | ≤ 750 lb/d | all year | 001 |
| Nitrogen, total [as N] | monthly average | report only (mg/L) | all year | 001 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 001 |
| Nitrogen, total [as N] | monthly average | report only (lb/d) | all year | 001 |
| Nitrogen, total [as N] | daily maximum | report only (lb/d) | all year | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 17.2 mg/L | all year | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 34.4 mg/L | all year | 001 |
| Nitrogen, ammonia total [as N] | monthly average | report only (lb/d) | all year | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (lb/d) | all year | 001 |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/L) | all year | 001 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | all year | 001 |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (lb/d) | all year | 001 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (lb/d) | all year | 001 |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | all year | 001 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year | 001 |
| Nitrite + Nitrate total [as N] | monthly average | report only (lb/d) | all year | 001 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (lb/d) | 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 |
| Magnesium, total [as Mg] | quarterly average | report only (mg/L) | all year | 001 |
| Magnesium, total [as Mg] | daily maximum | report only (mg/L) | all year | 001 |
| Magnesium, total [as Mg] | quarterly average | report only (lb/d) | all year | 001 |
| Magnesium, total [as Mg] | daily maximum | report only (lb/d) | all year | 001 |
| Cobalt, total [as Co] | monthly average | report only (ug/L) | all year | 001 |
| Cobalt, total [as Co] | daily maximum | report only (ug/L) | all year | 001 |
| Cobalt, total [as Co] | monthly average | report only (lb/d) | all year | 001 |
| Cobalt, total [as Co] | 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 | report only (ug/L) | all year | 001 |
| Iron, total [as Fe] | daily maximum | report only (ug/L) | all year | 001 |
| Iron, total [as Fe] | monthly average | report only (lb/d) | all year | 001 |
| Iron, total [as Fe] | daily maximum | report only (lb/d) | all year | 001 |
| Iron, dissolved [as Fe] | monthly average | report only (ug/L) | all year | 001 |
| Iron, dissolved [as Fe] | daily maximum | report only (ug/L) | all year | 001 |
| Iron, dissolved [as Fe] | monthly average | report only (lb/d) | all year | 001 |
| Iron, dissolved [as Fe] | daily maximum | report only (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 | report only (ug/L) | all year | 001 |
| Manganese, total [as Mn] | daily maximum | report only (ug/L) | all year | 001 |
| Manganese, total [as Mn] | monthly average | report only (lb/d) | all year | 001 |
| Manganese, total [as Mn] | daily maximum | report only (lb/d) | all year | 001 |
| Nickel, total [as Ni] | monthly average | report only (ug/L) | all year | 001 |
| Nickel, total [as Ni] | daily maximum | report only (ug/L) | all year | 001 |
| Nickel, total [as Ni] | monthly average | report only (lb/d) | all year | 001 |
| Nickel, total [as Ni] | daily maximum | report only (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 | report only (ug/L) | all year | 001 |
| Aluminum, total [as Al] | daily maximum | report only (ug/L) | all year | 001 |
| Aluminum, total [as Al] | monthly average | report only (lb/d) | all year | 001 |
| Aluminum, total [as Al] | daily maximum | report only (lb/d) | all year | 001 |
| Dichlorobromomethane | monthly average | report only (ug/L) | all year | 001 |
| Dichlorobromomethane | daily maximum | report only (ug/L) | all year | 001 |
| Dichlorobromomethane | monthly average | report only (lb/d) | all year | 001 |
| Dichlorobromomethane | daily maximum | report only (lb/d) | all year | 001 |
| Carbon tetrachloride | monthly average | report only (ug/L) | all year | 001 |
| Carbon tetrachloride | daily maximum | report only (ug/L) | all year | 001 |
| Carbon tetrachloride | monthly average | report only (lb/d) | all year | 001 |
| Carbon tetrachloride | daily maximum | report only (lb/d) | all year | 001 |
| Chloroform | monthly average | report only (ug/L) | all year | 001 |
| Chloroform | daily maximum | report only (ug/L) | all year | 001 |
| Chloroform | monthly average | report only (lb/d) | all year | 001 |
| Chloroform | daily maximum | report only (lb/d) | all year | 001 |
| Acrolein | monthly average | report only (ug/L) | all year | 001 |
| Acrolein | daily maximum | report only (ug/L) | all year | 001 |
| Acrolein | monthly average | report only (lb/d) | all year | 001 |
| Acrolein | daily maximum | report only (lb/d) | all year | 001 |
| Indeno[1,2,3-cd]pyrene | monthly average | report only (ug/L) | all year | 001 |
| Indeno[1,2,3-cd]pyrene | daily maximum | report only (ug/L) | all year | 001 |
| Indeno[1,2,3-cd]pyrene | monthly average | report only (lb/d) | all year | 001 |
| Indeno[1,2,3-cd]pyrene | daily maximum | report only (lb/d) | all year | 001 |
| Di[2-ethylhexyl] phthalate [DEHP] | monthly average | report only (ug/L) | all year | 001 |
| Di[2-ethylhexyl] phthalate [DEHP] | daily maximum | report only (ug/L) | all year | 001 |
| Di[2-ethylhexyl] phthalate [DEHP] | monthly average | report only (lb/d) | all year | 001 |
| Di[2-ethylhexyl] phthalate [DEHP] | daily maximum | report only (lb/d) | all year | 001 |
| Vinyl chloride | monthly average | report only (ug/L) | all year | 001 |
| Vinyl chloride | daily maximum | report only (ug/L) | all year | 001 |
| Vinyl chloride | monthly average | report only (lb/d) | all year | 001 |
| Vinyl chloride | daily maximum | report only (lb/d) | all year | 001 |
| Trichloroethylene | monthly average | report only (ug/L) | all year | 001 |
| Trichloroethylene | daily maximum | report only (ug/L) | all year | 001 |
| Trichloroethylene | monthly average | report only (lb/d) | all year | 001 |
| Trichloroethylene | daily maximum | report only (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 | monthly total | report only (lb) | all year | 001 |
| Nitrogen, Total | annual total | ≤ 36529 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 | monthly total | report only (lb) | all year | 001 |
| Phosphorus, Total | annual total | ≤ 4871 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) | instantaneous 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 | instantaneous 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) | instantaneous 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) | instantaneous minimum | report only (lb/d) | all year | 001 |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) | instantaneous maximum | report only (lb/d) | all year | 001 |
| Toxicity [chronic], Ceriodaphnia dubia | daily maximum | ≤ 1.29 tox chronic | all year | 001 |
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | daily maximum | ≤ 1.29 tox chronic | all year | 001 |
| Coliform, fecal general | monthly average | ≤ 200 #/100mL | May–Sep | 001 |
| Coliform, fecal general | monthly average | ≤ 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] | daily maximum | ≤ 40 mg/L | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 417 lb/d | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 667 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 |
| TU Static 7Day Chronic Ceriodaphnia dubia | daily maximum | ≤ 1.29 tox chronic | all year | 001 |
| Static 7Day Chronic Pimephales Promelas | daily maximum | ≤ 1.29 tox chronic | all year | 001 |
| Oxygen demand, chem. [high level] [COD] | instantaneous maximum | report only (mg/L) | all year | 015 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 015 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 015 |
| Solids, total suspended | instantaneous maximum | report only (mg/L) | all year | 015 |
| Oil & Grease | instantaneous maximum | ≤ 30 mg/L | all year | 015 |
| Nitrogen, total [as N] | instantaneous maximum | report only (mg/L) | all year | 015 |
| Nitrogen, Kjeldahl, total [as N] | instantaneous maximum | report only (mg/L) | all year | 015 |
| Nitrite + Nitrate total [as N] | instantaneous maximum | report only (mg/L) | all year | 015 |
| Phosphorus, total [as P] | instantaneous maximum | report only (mg/L) | all year | 015 |
| Iron, total [as Fe] | instantaneous maximum | report only (ug/L) | all year | 015 |
| Oxygen demand, chem. [high level] [COD] | instantaneous maximum | report only (mg/L) | all year | 016 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 016 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 016 |
| Solids, total suspended | instantaneous maximum | report only (mg/L) | all year | 016 |
| Oil & Grease | instantaneous maximum | ≤ 30 mg/L | all year | 016 |
| Nitrogen, total [as N] | instantaneous maximum | report only (mg/L) | all year | 016 |
| Nitrogen, Kjeldahl, total [as N] | instantaneous maximum | report only (mg/L) | all year | 016 |
| Nitrite + Nitrate total [as N] | instantaneous maximum | report only (mg/L) | all year | 016 |
| Phosphorus, total [as P] | instantaneous maximum | report only (mg/L) | all year | 016 |
| Iron, total [as Fe] | instantaneous maximum | report only (ug/L) | all year | 016 |
| Oxygen demand, chem. [high level] [COD] | instantaneous maximum | report only (mg/L) | all year | 017 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 017 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 017 |
| Solids, total suspended | instantaneous maximum | report only (mg/L) | all year | 017 |
| Oil & Grease | instantaneous maximum | ≤ 30 mg/L | all year | 017 |
| Nitrogen, total [as N] | instantaneous maximum | report only (mg/L) | all year | 017 |
| Nitrogen, Kjeldahl, total [as N] | instantaneous maximum | report only (mg/L) | all year | 017 |
| Nitrite + Nitrate total [as N] | instantaneous maximum | report only (mg/L) | all year | 017 |
| Phosphorus, total [as P] | instantaneous maximum | report only (mg/L) | all year | 017 |
| Iron, total [as Fe] | instantaneous maximum | report only (ug/L) | all year | 017 |
| 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 |
| 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 |
| 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 |
| Parameter | New limit | New or tighter | Median, last 12 months | × new limit |
|---|---|---|---|---|
| Chlorine, total residual, instantaneous maximum outfall 001 | 0.17 mg/L | tighter | 1.1 mg/L (9 values) | 6.47× |
| Chlorine, total residual, monthly average outfall 001 | 0.07 mg/L | tighter | 0.8 mg/L (9 values) | 11.4× |
| Nitrogen, ammonia total [as N], monthly average outfall 001 | 6.12 mg/L (Jan, Feb, Mar, Apr, Nov, Dec) | tighter | 7.395 mg/L (6 values) | 1.21× |
| Acrolein, daily maximum outfall 001 | 3.89 ug/L | new | — | — |
| Acrolein, daily maximum outfall 001 | 0.065 lb/d | new | — | — |
| Acrolein, monthly average outfall 001 | 0.05 lb/d | new | — | — |
| Acrolein, monthly average outfall 001 | 3 ug/L | new | — | — |
| Aluminum, total [as Al], daily maximum outfall 001 | 766 ug/L | new | — | — |
| Aluminum, total [as Al], daily maximum outfall 001 | 12.8 lb/d | new | — | — |
| Aluminum, total [as Al], monthly average outfall 001 | 750 ug/L | new | — | — |
| Aluminum, total [as Al], monthly average outfall 001 | 12.5 lb/d | new | — | — |
| BOD, carbonaceous [5 day, 20 C], monthly average outfall 001 | 10 mg/L | tighter | 5.6 mg/L (9 values, 1 below detection) | 0.56× |
| BOD, carbonaceous [5 day, 20 C], monthly average outfall 001 | 166.8 lb/d | tighter | 29 lb/d (9 values, 1 below detection) | 0.174× |
| BOD, carbonaceous [5 day, 20 C], weekly average outfall 001 | 15 mg/L | tighter | 7.6 mg/L (8 values) | 0.507× |
| BOD, carbonaceous [5 day, 20 C], weekly average outfall 001 | 250.2 lb/d | tighter | 43 lb/d (9 values) | 0.172× |
| Copper, total [as Cu], daily maximum outfall 001 | 0.27 lb/d | new | — | — |
| Copper, total [as Cu], daily maximum outfall 001 | 16.5 ug/L | new | — | — |
| Copper, total [as Cu], monthly average outfall 001 | 11.1 ug/L | new | — | — |
| Copper, total [as Cu], monthly average outfall 001 | 0.18 lb/d | new | — | — |
| Di[2-ethylhexyl] phthalate [DEHP], daily maximum outfall 001 | 0.027 lb/d | new | — | — |
| Di[2-ethylhexyl] phthalate [DEHP], daily maximum outfall 001 | 1.61 ug/L | new | — | — |
| Di[2-ethylhexyl] phthalate [DEHP], monthly average outfall 001 | 0.017 lb/d | new | — | — |
| Di[2-ethylhexyl] phthalate [DEHP], monthly average outfall 001 | 1.2 ug/L | new | — | — |
| Indeno[1,2,3-cd]pyrene, daily maximum outfall 001 | 0.00008 lb/d | new | — | — |
| Indeno[1,2,3-cd]pyrene, daily maximum outfall 001 | 0.005 ug/L | new | — | — |
| Indeno[1,2,3-cd]pyrene, monthly average outfall 001 | 0.003 ug/L | new | — | — |
| Indeno[1,2,3-cd]pyrene, monthly average outfall 001 | 0.00005 lb/d | new | — | — |
| Iron, dissolved [as Fe], daily maximum outfall 001 | 607 ug/L | new | — | — |
| Iron, dissolved [as Fe], daily maximum outfall 001 | 10.1 lb/d | new | — | — |
| Iron, dissolved [as Fe], monthly average outfall 001 | 6.49 lb/d | new | — | — |
| Iron, dissolved [as Fe], monthly average outfall 001 | 389 ug/L | new | — | — |
| Nitrogen, ammonia total [as N], daily maximum outfall 001 | 12.24 mg/L (Jan, Feb, Mar, Apr, Nov, Dec) | tighter | — | — |
| Vinyl chloride, daily maximum outfall 001 | 0.1 ug/L | new | — | — |
| Vinyl chloride, monthly average outfall 001 | 0.064 ug/L | new | — | — |
| Zinc, total [as Zn], daily maximum outfall 001 | 124 ug/L | new | — | — |
| Zinc, total [as Zn], daily maximum outfall 001 | 2.08 lb/d | new | — | — |
| Zinc, total [as Zn], monthly average outfall 001 | 120 ug/L | new | — | — |
| Zinc, total [as Zn], monthly average outfall 001 | 1.83 lb/d | new | — | — |
| Oil & Grease, instantaneous maximum outfall 018 | 30 mg/L | new | — | — |
| pH, instantaneous maximum outfall 018 | 9 SU | new | — | — |
| Oil & Grease, instantaneous maximum outfall 019 | 30 mg/L | new | — | — |
| pH, instantaneous maximum outfall 019 | 9 SU | new | — | — |
| Oil & Grease, instantaneous maximum outfall 020 | 30 mg/L | new | — | — |
| pH, instantaneous maximum outfall 020 | 9 SU | new | — | — |
Cited limits by parameter: Pennsylvania's rules and the federal ones.
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