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Electric Services, major discharger, Shawville, Pennsylvania. NPDES permit PA0010031, in force until Jul 31, 2027. Last 12 months: no values over a limit, 372 required values missing. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| pH | daily maximum | report only (SU) | all year | 001 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 001 |
| Oil & Grease | daily maximum | report only (mg/L) | all year | 001 |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | all year | 001 |
| Iron, total [as Fe] | daily maximum | report only (mg/L) | all year | 001 |
| Iron, dissolved [as Fe] | daily maximum | report only (mg/L) | all year | 001 |
| Manganese, total [as Mn] | daily maximum | report only (mg/L) | all year | 001 |
| Nickel, total [as Ni] | daily maximum | report only (mg/L) | all year | 001 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 001 |
| Aluminum, total [as Al] | daily maximum | report only (mg/L) | all year | 001 |
| pH | daily maximum | report only (SU) | all year | 002 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 002 |
| Oil & Grease | daily maximum | report only (mg/L) | all year | 002 |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | all year | 002 |
| Iron, total [as Fe] | daily maximum | report only (mg/L) | all year | 002 |
| Iron, dissolved [as Fe] | daily maximum | report only (mg/L) | all year | 002 |
| Manganese, total [as Mn] | daily maximum | report only (mg/L) | all year | 002 |
| Nickel, total [as Ni] | daily maximum | report only (mg/L) | all year | 002 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 002 |
| Aluminum, total [as Al] | daily maximum | report only (mg/L) | all year | 002 |
| Chloride [as Cl] | monthly average | report only (mg/L) | all year | 005 |
| Chloride [as Cl] | daily maximum | report only (mg/L) | all year | 005 |
| Chloride [as Cl] | monthly average | report only (lb/d) | all year | 005 |
| Chloride [as Cl] | daily maximum | report only (lb/d) | all year | 005 |
| Sulfate, total [as SO4] | monthly average | report only (mg/L) | all year | 005 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | all year | 005 |
| Sulfate, total [as SO4] | monthly average | report only (lb/d) | all year | 005 |
| Sulfate, total [as SO4] | daily maximum | report only (lb/d) | all year | 005 |
| Iron, total [as Fe] | monthly average | ≤ 1.8 mg/L | all year | 005 |
| Iron, total [as Fe] | daily maximum | ≤ 3.6 mg/L | all year | 005 |
| Iron, total [as Fe] | monthly average | ≤ 19.74 lb/d | all year | 005 |
| Iron, total [as Fe] | daily maximum | ≤ 39.48 lb/d | all year | 005 |
| Manganese, total [as Mn] | monthly average | ≤ 2.1 mg/L | all year | 005 |
| Manganese, total [as Mn] | daily maximum | ≤ 4.2 mg/L | all year | 005 |
| Manganese, total [as Mn] | monthly average | ≤ 23.03 lb/d | all year | 005 |
| Manganese, total [as Mn] | daily maximum | ≤ 46.06 lb/d | all year | 005 |
| Thallium, total [as Tl] | monthly average | report only (ug/L) | all year | 005 |
| Thallium, total [as Tl] | daily maximum | report only (ug/L) | all year | 005 |
| Thallium, total [as Tl] | monthly average | report only (lb/d) | all year | 005 |
| Thallium, total [as Tl] | daily maximum | report only (lb/d) | all year | 005 |
| Zinc, total [as Zn] | monthly average | report only (mg/L) | all year | 005 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 005 |
| Zinc, total [as Zn] | monthly average | report only (lb/d) | all year | 005 |
| Zinc, total [as Zn] | daily maximum | report only (lb/d) | all year | 005 |
| Aluminum, total [as Al] | monthly average | ≤ 1170 ug/L | all year | 005 |
| Aluminum, total [as Al] | daily maximum | ≤ 1825 ug/L | all year | 005 |
| Aluminum, total [as Al] | monthly average | ≤ 33.6 lb/d | all year | 005 |
| Aluminum, total [as Al] | daily maximum | ≤ 52.4 lb/d | all year | 005 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 005 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 005 |
| Solids, total dissolved | monthly average | report only (mg/L) | all year | 005 |
| Solids, total dissolved | daily maximum | report only (mg/L) | all year | 005 |
| Solids, total dissolved | monthly average | report only (lb/d) | all year | 005 |
| Solids, total dissolved | daily maximum | report only (lb/d) | all year | 005 |
| Bromide [as Br] | monthly average | report only (mg/L) | all year | 005 |
| Bromide [as Br] | daily maximum | report only (mg/L) | all year | 005 |
| Bromide [as Br] | monthly average | report only (lb/d) | all year | 005 |
| Bromide [as Br] | daily maximum | report only (lb/d) | all year | 005 |
| pH | daily maximum | report only (SU) | all year | 101 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 101 |
| Oil & Grease | daily maximum | report only (mg/L) | all year | 101 |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | all year | 101 |
| Iron, total [as Fe] | daily maximum | report only (mg/L) | all year | 101 |
| Iron, dissolved [as Fe] | daily maximum | report only (mg/L) | all year | 101 |
| Manganese, total [as Mn] | daily maximum | report only (mg/L) | all year | 101 |
| Nickel, total [as Ni] | daily maximum | report only (mg/L) | all year | 101 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 101 |
| Aluminum, total [as Al] | daily maximum | report only (mg/L) | all year | 101 |
| pH | daily maximum | report only (SU) | all year | 102 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 102 |
| Oil & Grease | daily maximum | report only (mg/L) | all year | 102 |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | all year | 102 |
| Iron, total [as Fe] | daily maximum | report only (mg/L) | all year | 102 |
| Iron, dissolved [as Fe] | daily maximum | report only (mg/L) | all year | 102 |
| Manganese, total [as Mn] | daily maximum | report only (mg/L) | all year | 102 |
| Nickel, total [as Ni] | daily maximum | report only (mg/L) | all year | 102 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 102 |
| Aluminum, total [as Al] | daily maximum | report only (mg/L) | all year | 102 |
| pH | daily maximum | report only (SU) | all year | 201 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 201 |
| Oil & Grease | daily maximum | report only (mg/L) | all year | 201 |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | all year | 201 |
| Iron, total [as Fe] | daily maximum | report only (mg/L) | all year | 201 |
| Iron, dissolved [as Fe] | daily maximum | report only (mg/L) | all year | 201 |
| Manganese, total [as Mn] | daily maximum | report only (mg/L) | all year | 201 |
| Nickel, total [as Ni] | daily maximum | report only (mg/L) | all year | 201 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 201 |
| Aluminum, total [as Al] | daily maximum | report only (mg/L) | all year | 201 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 205 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 205 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 205 |
| Solids, total suspended | instantaneous maximum | ≤ 60 mg/L | all year | 205 |
| Solids, total suspended | monthly average | ≤ 4.5 lb/d | all year | 205 |
| Chloride [as Cl] | monthly average | report only (mg/L) | all year | 205 |
| Chloride [as Cl] | daily maximum | report only (mg/L) | all year | 205 |
| Chloride [as Cl] | monthly average | report only (lb/d) | all year | 205 |
| Chloride [as Cl] | daily maximum | report only (lb/d) | all year | 205 |
| Sulfate, total [as SO4] | monthly average | report only (mg/L) | all year | 205 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | all year | 205 |
| Sulfate, total [as SO4] | monthly average | report only (lb/d) | all year | 205 |
| Sulfate, total [as SO4] | daily maximum | report only (lb/d) | all year | 205 |
| Iron, total [as Fe] | monthly average | report only (mg/L) | all year | 205 |
| Iron, total [as Fe] | daily maximum | report only (mg/L) | all year | 205 |
| Iron, total [as Fe] | monthly average | report only (lb/d) | all year | 205 |
| Iron, total [as Fe] | daily maximum | report only (lb/d) | all year | 205 |
| Manganese, total [as Mn] | monthly average | report only (mg/L) | all year | 205 |
| Manganese, total [as Mn] | daily maximum | report only (mg/L) | all year | 205 |
| Manganese, total [as Mn] | monthly average | report only (lb/d) | all year | 205 |
| Manganese, total [as Mn] | daily maximum | report only (lb/d) | all year | 205 |
| Thallium, total [as Tl] | monthly average | report only (mg/L) | all year | 205 |
| Thallium, total [as Tl] | daily maximum | report only (mg/L) | all year | 205 |
| Thallium, total [as Tl] | monthly average | report only (lb/d) | all year | 205 |
| Thallium, total [as Tl] | daily maximum | report only (lb/d) | all year | 205 |
| Zinc, total [as Zn] | monthly average | report only (mg/L) | all year | 205 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 205 |
| Zinc, total [as Zn] | monthly average | report only (lb/d) | all year | 205 |
| Zinc, total [as Zn] | daily maximum | report only (lb/d) | all year | 205 |
| Aluminum, total [as Al] | monthly average | report only (mg/L) | all year | 205 |
| Aluminum, total [as Al] | daily maximum | report only (mg/L) | all year | 205 |
| Aluminum, total [as Al] | monthly average | report only (lb/d) | all year | 205 |
| Aluminum, total [as Al] | daily maximum | report only (lb/d) | all year | 205 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 205 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 205 |
| Chlorine, total residual | monthly average | ≤ .5 mg/L | all year | 205 |
| Chlorine, total residual | instantaneous maximum | ≤ 1.6 mg/L | all year | 205 |
| Solids, total dissolved | monthly average | report only (mg/L) | all year | 205 |
| Solids, total dissolved | daily maximum | report only (mg/L) | all year | 205 |
| Solids, total dissolved | monthly average | report only (lb/d) | all year | 205 |
| Solids, total dissolved | daily maximum | report only (lb/d) | all year | 205 |
| Bromide [as Br] | monthly average | report only (mg/L) | all year | 205 |
| Bromide [as Br] | daily maximum | report only (mg/L) | all year | 205 |
| Bromide [as Br] | monthly average | report only (lb/d) | all year | 205 |
| Bromide [as Br] | daily maximum | report only (lb/d) | all year | 205 |
| Coliform, fecal general | geometric mean | ≤ 200 #/100mL | May–Sep | 205 |
| Coliform, fecal general | geometric mean | ≤ 2000 #/100mL | Jan, Feb, Mar, Apr, Oct, Nov, Dec | 205 |
| Coliform, fecal general | instantaneous maximum | ≤ 1000 #/100mL | May–Sep | 205 |
| Coliform, fecal general | instantaneous maximum | ≤ 10000 #/100mL | Jan, Feb, Mar, Apr, Oct, Nov, Dec | 205 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 25 mg/L | all year | 205 |
| BOD, carbonaceous [5 day, 20 C] | instantaneous maximum | ≤ 50 mg/L | all year | 205 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 3.7 lb/d | all year | 205 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 405 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 405 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 405 |
| Solids, total suspended | monthly average | ≤ 325 lb/d | all year | 405 |
| Oil & Grease | monthly average | ≤ 15 mg/L | all year | 405 |
| Oil & Grease | daily maximum | ≤ 20 mg/L | all year | 405 |
| Oil & Grease | monthly average | ≤ 163 lb/d | all year | 405 |
| Oil & Grease | daily maximum | ≤ 217 lb/d | all year | 405 |
| Nitrogen, total [as N] | monthly average | report only (mg/L) | all year | 405 |
| Nitrogen, total [as N] | monthly average | report only (lb/d) | all year | 405 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | 405 |
| Phosphorus, total [as P] | monthly average | report only (lb/d) | all year | 405 |
| Chloride [as Cl] | monthly average | report only (mg/L) | all year | 405 |
| Chloride [as Cl] | daily maximum | report only (mg/L) | all year | 405 |
| Chloride [as Cl] | monthly average | report only (lb/d) | all year | 405 |
| Chloride [as Cl] | daily maximum | report only (lb/d) | all year | 405 |
| Sulfate, total [as SO4] | monthly average | report only (mg/L) | all year | 405 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | all year | 405 |
| Sulfate, total [as SO4] | monthly average | report only (lb/d) | all year | 405 |
| Sulfate, total [as SO4] | daily maximum | report only (lb/d) | all year | 405 |
| Iron, total [as Fe] | monthly average | report only (ug/L) | all year | 405 |
| Iron, total [as Fe] | daily maximum | report only (ug/L) | all year | 405 |
| Iron, total [as Fe] | monthly average | report only (lb/d) | all year | 405 |
| Iron, total [as Fe] | daily maximum | report only (lb/d) | all year | 405 |
| Manganese, total [as Mn] | monthly average | report only (ug/L) | all year | 405 |
| Manganese, total [as Mn] | daily maximum | report only (ug/L) | all year | 405 |
| Manganese, total [as Mn] | monthly average | report only (lb/d) | all year | 405 |
| Manganese, total [as Mn] | daily maximum | report only (lb/d) | all year | 405 |
| Thallium, total [as Tl] | monthly average | report only (ug/L) | all year | 405 |
| Thallium, total [as Tl] | daily maximum | report only (ug/L) | all year | 405 |
| Thallium, total [as Tl] | monthly average | report only (lb/d) | all year | 405 |
| Thallium, total [as Tl] | daily maximum | report only (lb/d) | all year | 405 |
| Zinc, total [as Zn] | monthly average | report only (mg/L) | all year | 405 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 405 |
| Zinc, total [as Zn] | monthly average | report only (lb/d) | all year | 405 |
| Zinc, total [as Zn] | daily maximum | report only (lb/d) | all year | 405 |
| Aluminum, total [as Al] | monthly average | report only (ug/L) | all year | 405 |
| Aluminum, total [as Al] | daily maximum | report only (ug/L) | all year | 405 |
| Aluminum, total [as Al] | monthly average | report only (lb/d) | all year | 405 |
| Aluminum, total [as Al] | daily maximum | report only (lb/d) | all year | 405 |
| Polychlorinated biphenyls [PCBs] | instantaneous maximum | ≤ 1.75 ug/L | all year | 405 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 405 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 405 |
| Chlorine, free available | instantaneous maximum | ≤ 0 mg/L | all year | 405 |
| Solids, total dissolved | monthly average | report only (mg/L) | all year | 405 |
| Solids, total dissolved | daily maximum | report only (mg/L) | all year | 405 |
| Solids, total dissolved | monthly average | report only (lb/d) | all year | 405 |
| Solids, total dissolved | daily maximum | report only (lb/d) | all year | 405 |
| Bromide [as Br] | monthly average | report only (mg/L) | all year | 405 |
| Bromide [as Br] | daily maximum | report only (mg/L) | all year | 405 |
| Bromide [as Br] | monthly average | report only (lb/d) | all year | 405 |
| Bromide [as Br] | daily maximum | report only (lb/d) | all year | 405 |
| Chromium, total [as Cr] | monthly average | ≤ .2 mg/L | all year | 605 |
| Chromium, total [as Cr] | daily maximum | ≤ .2 mg/L | all year | 605 |
| Chromium, total [as Cr] | monthly average | ≤ 3.45 lb/d | all year | 605 |
| Chromium, total [as Cr] | daily maximum | ≤ 3.45 lb/d | all year | 605 |
| Zinc, total [as Zn] | monthly average | ≤ 1 mg/L | all year | 605 |
| Zinc, total [as Zn] | daily maximum | ≤ 1 mg/L | all year | 605 |
| Zinc, total [as Zn] | monthly average | ≤ 17.26 lb/d | all year | 605 |
| Zinc, total [as Zn] | daily maximum | ≤ 17.26 lb/d | all year | 605 |
| Priority Pollutants | daily maximum | report only (mg/L) | all year | 605 |
| Priority Pollutants | daily maximum | report only (lb/d) | all year | 605 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 605 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 605 |
| Parameter | New limit | New or tighter | Median, last 12 months | × new limit |
|---|---|---|---|---|
| Thallium, total [as Tl], daily maximum | 4.34 ug/L | new | 6.79 ug/L (8 values, 2 below detection) | 1.56× |
| Thallium, total [as Tl], daily maximum | 0.12 lb/d | new | 0.0195 lb/d (8 values, 2 below detection) | 0.163× |
| Thallium, total [as Tl], monthly average | 2.78 ug/L | new | 5.355 ug/L (8 values, 6 below detection) | — |
| Thallium, total [as Tl], monthly average | 0.08 lb/d | new | 0.0165 lb/d (8 values, 6 below detection) | — |
Cited limits by parameter: Pennsylvania's rules and the federal ones.
Same industry: the 63 Electric Services permits in Pennsylvania.
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