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Motors And Generators, Cheswick, Pennsylvania. NPDES permit PA0001228, in force until Aug 31, 2029. Last 12 months: no values over a limit, 303 required values missing. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. fahrenheit | instantaneous maximum | ≤ 110 deg F | all year | 001 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 001 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 001 |
| Manganese, total [as Mn] | monthly average | report only (mg/L) | all year | 001 |
| Manganese, total [as Mn] | 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 | daily maximum | ≤ 1 mg/L | all year | 001 |
| Perfluorooctanoic acid (PFOA) | daily maximum | report only (ng/L) | all year | 001 |
| Perfluorooctanesulfonate | daily maximum | report only (ng/L) | all year | 001 |
| Perfluorobutanesulfonic acid (PFBS) | daily maximum | report only (ng/L) | all year | 001 |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) | daily maximum | report only (ng/L) | all year | 001 |
| Temperature, water deg. fahrenheit | instantaneous maximum | ≤ 110 deg F | all year | 003 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 003 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 003 |
| Manganese, total [as Mn] | monthly average | report only (mg/L) | all year | 003 |
| Manganese, total [as Mn] | daily maximum | report only (mg/L) | all year | 003 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 003 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 003 |
| Chlorine, total residual | monthly average | report only (mg/L) | all year | 003 |
| Chlorine, total residual | daily maximum | report only (mg/L) | all year | 003 |
| Perfluorooctanoic acid (PFOA) | daily maximum | report only (ng/L) | all year | 003 |
| Perfluorooctanesulfonate | daily maximum | report only (ng/L) | all year | 003 |
| Perfluorobutanesulfonic acid (PFBS) | daily maximum | report only (ng/L) | all year | 003 |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) | daily maximum | report only (ng/L) | all year | 003 |
| Temperature, water deg. fahrenheit | instantaneous maximum | ≤ 110 deg F | all year | 004 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 004 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 004 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 004 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 004 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 004 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 004 |
| Chlorine, total residual | monthly average | report only (mg/L) | all year | 004 |
| Chlorine, total residual | daily maximum | report only (mg/L) | all year | 004 |
| Oxygen, dissolved [DO] | instantaneous minimum | ≥ 5 mg/L | all year | 113 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 113 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 113 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 113 |
| Solids, total suspended | daily maximum | ≤ 60 mg/L | all year | 113 |
| Cadmium, total [as Cd] | monthly average | report only (ug/L) | all year | 113 |
| Cadmium, total [as Cd] | daily maximum | report only (ug/L) | all year | 113 |
| Chromium, hexavalent [as Cr] | monthly average | report only (ug/L) | all year | 113 |
| Chromium, hexavalent [as Cr] | daily maximum | report only (ug/L) | all year | 113 |
| Chromium, trivalent [as Cr] | monthly average | report only (ug/L) | all year | 113 |
| Chromium, trivalent [as Cr] | daily maximum | report only (ug/L) | all year | 113 |
| Copper, total [as Cu] | monthly average | report only (ug/L) | all year | 113 |
| Copper, total [as Cu] | daily maximum | report only (ug/L) | all year | 113 |
| Iron, total [as Fe] | monthly average | report only (mg/L) | all year | 113 |
| Iron, total [as Fe] | daily maximum | report only (mg/L) | all year | 113 |
| Iron, dissolved [as Fe] | monthly average | report only (mg/L) | all year | 113 |
| Iron, dissolved [as Fe] | daily maximum | ≤ 7 mg/L | all year | 113 |
| Lead, total [as Pb] | monthly average | report only (ug/L) | all year | 113 |
| Lead, total [as Pb] | daily maximum | report only (ug/L) | all year | 113 |
| Manganese, total [as Mn] | monthly average | report only (ug/L) | all year | 113 |
| Manganese, total [as Mn] | daily maximum | report only (ug/L) | all year | 113 |
| Thallium, total [as Tl] | monthly average | report only (ug/L) | all year | 113 |
| Thallium, total [as Tl] | daily maximum | report only (ug/L) | all year | 113 |
| Silver, total [as Ag] | monthly average | report only (ug/L) | all year | 113 |
| Silver, total [as Ag] | daily maximum | report only (ug/L) | all year | 113 |
| Zinc, total [as Zn] | monthly average | report only (ug/L) | all year | 113 |
| Zinc, total [as Zn] | daily maximum | report only (ug/L) | all year | 113 |
| Antimony, total [as Sb] | monthly average | report only (ug/L) | all year | 113 |
| Antimony, total [as Sb] | daily maximum | report only (ug/L) | all year | 113 |
| Aluminum, total [as Al] | monthly average | report only (ug/L) | all year | 113 |
| Aluminum, total [as Al] | daily maximum | report only (ug/L) | all year | 113 |
| Selenium, total [as Se] | monthly average | report only (ug/L) | all year | 113 |
| Selenium, total [as Se] | daily maximum | report only (ug/L) | all year | 113 |
| Benzo[k]fluoranthene | monthly average | report only (ug/L) | all year | 113 |
| Benzo[k]fluoranthene | daily maximum | report only (ug/L) | all year | 113 |
| Benzo[a]pyrene | monthly average | report only (ug/L) | all year | 113 |
| Benzo[a]pyrene | daily maximum | report only (ug/L) | all year | 113 |
| Chrysene | monthly average | report only (ug/L) | all year | 113 |
| Chrysene | daily maximum | report only (ug/L) | all year | 113 |
| Benzo[a]anthracene | monthly average | report only (ug/L) | all year | 113 |
| Benzo[a]anthracene | daily maximum | report only (ug/L) | all year | 113 |
| Dibenz[a,h]anthracene | monthly average | report only (ug/L) | all year | 113 |
| Dibenz[a,h]anthracene | daily maximum | report only (ug/L) | all year | 113 |
| Di[2-ethylhexyl] phthalate [DEHP] | monthly average | report only (ug/L) | all year | 113 |
| Di[2-ethylhexyl] phthalate [DEHP] | daily maximum | report only (ug/L) | all year | 113 |
| Hexachlorobenzene | monthly average | report only (ug/L) | all year | 113 |
| Hexachlorobenzene | daily maximum | report only (ug/L) | all year | 113 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 113 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 113 |
| 3,4-Benzofluoranthene | monthly average | report only (ug/L) | all year | 113 |
| 3,4-Benzofluoranthene | daily maximum | report only (ug/L) | all year | 113 |
| Oxygen, dissolved [DO] | instantaneous minimum | ≥ 5 mg/L | all year | 123 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 123 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 123 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 123 |
| Solids, total suspended | daily maximum | ≤ 60 mg/L | all year | 123 |
| Cadmium, total [as Cd] | monthly average | report only (ug/L) | all year | 123 |
| Cadmium, total [as Cd] | daily maximum | report only (ug/L) | all year | 123 |
| Chromium, hexavalent [as Cr] | monthly average | report only (ug/L) | all year | 123 |
| Chromium, hexavalent [as Cr] | daily maximum | report only (ug/L) | all year | 123 |
| Chromium, trivalent [as Cr] | monthly average | report only (ug/L) | all year | 123 |
| Chromium, trivalent [as Cr] | daily maximum | report only (ug/L) | all year | 123 |
| Copper, total [as Cu] | monthly average | report only (ug/L) | all year | 123 |
| Copper, total [as Cu] | daily maximum | report only (ug/L) | all year | 123 |
| Iron, total [as Fe] | monthly average | report only (mg/L) | all year | 123 |
| Iron, total [as Fe] | daily maximum | report only (mg/L) | all year | 123 |
| Iron, dissolved [as Fe] | monthly average | report only (mg/L) | all year | 123 |
| Iron, dissolved [as Fe] | daily maximum | ≤ 7 mg/L | all year | 123 |
| Lead, total [as Pb] | monthly average | report only (ug/L) | all year | 123 |
| Lead, total [as Pb] | daily maximum | report only (ug/L) | all year | 123 |
| Manganese, total [as Mn] | monthly average | report only (ug/L) | all year | 123 |
| Manganese, total [as Mn] | daily maximum | report only (ug/L) | all year | 123 |
| Thallium, total [as Tl] | monthly average | report only (ug/L) | all year | 123 |
| Thallium, total [as Tl] | daily maximum | report only (ug/L) | all year | 123 |
| Silver, total [as Ag] | monthly average | report only (ug/L) | all year | 123 |
| Silver, total [as Ag] | daily maximum | report only (ug/L) | all year | 123 |
| Zinc, total [as Zn] | monthly average | report only (ug/L) | all year | 123 |
| Zinc, total [as Zn] | daily maximum | report only (ug/L) | all year | 123 |
| Antimony, total [as Sb] | monthly average | report only (ug/L) | all year | 123 |
| Antimony, total [as Sb] | daily maximum | report only (ug/L) | all year | 123 |
| Aluminum, total [as Al] | monthly average | report only (ug/L) | all year | 123 |
| Aluminum, total [as Al] | daily maximum | report only (ug/L) | all year | 123 |
| Selenium, total [as Se] | monthly average | report only (ug/L) | all year | 123 |
| Selenium, total [as Se] | daily maximum | report only (ug/L) | all year | 123 |
| Benzo[k]fluoranthene | monthly average | report only (ug/L) | all year | 123 |
| Benzo[k]fluoranthene | daily maximum | report only (ug/L) | all year | 123 |
| Benzo[a]pyrene | monthly average | report only (ug/L) | all year | 123 |
| Benzo[a]pyrene | daily maximum | report only (ug/L) | all year | 123 |
| Chrysene | monthly average | report only (ug/L) | all year | 123 |
| Chrysene | daily maximum | report only (ug/L) | all year | 123 |
| Benzo[a]anthracene | monthly average | report only (ug/L) | all year | 123 |
| Benzo[a]anthracene | daily maximum | report only (ug/L) | all year | 123 |
| Dibenz[a,h]anthracene | monthly average | report only (ug/L) | all year | 123 |
| Dibenz[a,h]anthracene | daily maximum | report only (ug/L) | all year | 123 |
| Di[2-ethylhexyl] phthalate [DEHP] | monthly average | report only (ug/L) | all year | 123 |
| Di[2-ethylhexyl] phthalate [DEHP] | daily maximum | report only (ug/L) | all year | 123 |
| Hexachlorobenzene | monthly average | report only (ug/L) | all year | 123 |
| Hexachlorobenzene | daily maximum | report only (ug/L) | all year | 123 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 123 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 123 |
| 3,4-Benzofluoranthene | monthly average | report only (ug/L) | all year | 123 |
| 3,4-Benzofluoranthene | daily maximum | report only (ug/L) | all year | 123 |
| Oxygen, dissolved [DO] | daily minimum | ≥ 5 mg/L | all year | 133 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 133 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 133 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 133 |
| Solids, total suspended | daily maximum | ≤ 60 mg/L | all year | 133 |
| Iron, dissolved [as Fe] | monthly average | report only (mg/L) | all year | 133 |
| Iron, dissolved [as Fe] | daily maximum | ≤ 7 mg/L | all year | 133 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 133 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 133 |
| Oxygen, dissolved [DO] | instantaneous minimum | ≥ 5 mg/L | all year | 303 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 303 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 303 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 303 |
| Solids, total suspended | daily maximum | ≤ 60 mg/L | all year | 303 |
| Cadmium, total [as Cd] | monthly average | report only (ug/L) | all year | 303 |
| Cadmium, total [as Cd] | daily maximum | report only (ug/L) | all year | 303 |
| Chromium, hexavalent [as Cr] | monthly average | report only (ug/L) | all year | 303 |
| Chromium, hexavalent [as Cr] | daily maximum | report only (ug/L) | all year | 303 |
| Chromium, trivalent [as Cr] | monthly average | report only (ug/L) | all year | 303 |
| Chromium, trivalent [as Cr] | daily maximum | report only (ug/L) | all year | 303 |
| Copper, total [as Cu] | monthly average | report only (ug/L) | all year | 303 |
| Copper, total [as Cu] | daily maximum | report only (ug/L) | all year | 303 |
| Iron, total [as Fe] | monthly average | report only (mg/L) | all year | 303 |
| Iron, total [as Fe] | daily maximum | report only (mg/L) | all year | 303 |
| Iron, dissolved [as Fe] | monthly average | report only (mg/L) | all year | 303 |
| Iron, dissolved [as Fe] | daily maximum | ≤ 7 mg/L | all year | 303 |
| Lead, total [as Pb] | monthly average | report only (ug/L) | all year | 303 |
| Lead, total [as Pb] | daily maximum | report only (ug/L) | all year | 303 |
| Manganese, total [as Mn] | monthly average | report only (ug/L) | all year | 303 |
| Manganese, total [as Mn] | daily maximum | report only (ug/L) | all year | 303 |
| Thallium, total [as Tl] | monthly average | report only (ug/L) | all year | 303 |
| Thallium, total [as Tl] | daily maximum | report only (ug/L) | all year | 303 |
| Silver, total [as Ag] | monthly average | report only (ug/L) | all year | 303 |
| Silver, total [as Ag] | daily maximum | report only (ug/L) | all year | 303 |
| Zinc, total [as Zn] | monthly average | report only (ug/L) | all year | 303 |
| Zinc, total [as Zn] | daily maximum | report only (ug/L) | all year | 303 |
| Antimony, total [as Sb] | monthly average | report only (ug/L) | all year | 303 |
| Antimony, total [as Sb] | daily maximum | report only (ug/L) | all year | 303 |
| Aluminum, total [as Al] | monthly average | report only (ug/L) | all year | 303 |
| Aluminum, total [as Al] | daily maximum | report only (ug/L) | all year | 303 |
| Selenium, total [as Se] | monthly average | report only (ug/L) | all year | 303 |
| Selenium, total [as Se] | daily maximum | report only (ug/L) | all year | 303 |
| Benzo[k]fluoranthene | monthly average | report only (ug/L) | all year | 303 |
| Benzo[k]fluoranthene | daily maximum | report only (ug/L) | all year | 303 |
| Benzo[a]pyrene | monthly average | report only (ug/L) | all year | 303 |
| Benzo[a]pyrene | daily maximum | report only (ug/L) | all year | 303 |
| Chrysene | monthly average | report only (ug/L) | all year | 303 |
| Chrysene | daily maximum | report only (ug/L) | all year | 303 |
| Benzo[a]anthracene | monthly average | report only (ug/L) | all year | 303 |
| Benzo[a]anthracene | daily maximum | report only (ug/L) | all year | 303 |
| Dibenz[a,h]anthracene | monthly average | report only (ug/L) | all year | 303 |
| Dibenz[a,h]anthracene | daily maximum | report only (ug/L) | all year | 303 |
| Di[2-ethylhexyl] phthalate [DEHP] | monthly average | report only (ug/L) | all year | 303 |
| Di[2-ethylhexyl] phthalate [DEHP] | daily maximum | report only (ug/L) | all year | 303 |
| Hexachlorobenzene | monthly average | report only (ug/L) | all year | 303 |
| Hexachlorobenzene | daily maximum | report only (ug/L) | all year | 303 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 303 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 303 |
| 3,4-Benzofluoranthene | monthly average | report only (ug/L) | all year | 303 |
| 3,4-Benzofluoranthene | daily maximum | report only (ug/L) | all year | 303 |
| Oxygen, dissolved [DO] | instantaneous minimum | ≥ 5 mg/L | all year | 403 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 403 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 403 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 403 |
| Solids, total suspended | daily maximum | ≤ 60 mg/L | all year | 403 |
| Copper, total [as Cu] | monthly average | report only (ug/L) | all year | 403 |
| Copper, total [as Cu] | daily maximum | report only (ug/L) | all year | 403 |
| Iron, dissolved [as Fe] | monthly average | report only (mg/L) | all year | 403 |
| Iron, dissolved [as Fe] | daily maximum | ≤ 7 mg/L | all year | 403 |
| Lead, total [as Pb] | monthly average | report only (ug/L) | all year | 403 |
| Lead, total [as Pb] | daily maximum | report only (ug/L) | all year | 403 |
| Nickel, total [as Ni] | monthly average | report only (mg/L) | all year | 403 |
| Nickel, total [as Ni] | daily maximum | report only (mg/L) | all year | 403 |
| Zinc, total [as Zn] | monthly average | report only (ug/L) | all year | 403 |
| Zinc, total [as Zn] | daily maximum | report only (ug/L) | all year | 403 |
| Di[2-ethylhexyl] phthalate [DEHP] | monthly average | report only (ug/L) | all year | 403 |
| Di[2-ethylhexyl] phthalate [DEHP] | daily maximum | report only (ug/L) | all year | 403 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 403 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 403 |
| Oxygen, dissolved [DO] | instantaneous minimum | ≥ 5 mg/L | all year | 603 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 603 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 603 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 603 |
| Solids, total suspended | daily maximum | ≤ 60 mg/L | all year | 603 |
| Copper, total [as Cu] | monthly average | report only (ug/L) | all year | 603 |
| Copper, total [as Cu] | daily maximum | report only (ug/L) | all year | 603 |
| Iron, dissolved [as Fe] | monthly average | report only (mg/L) | all year | 603 |
| Iron, dissolved [as Fe] | daily maximum | ≤ 7 mg/L | all year | 603 |
| Lead, total [as Pb] | monthly average | report only (ug/L) | all year | 603 |
| Lead, total [as Pb] | daily maximum | report only (ug/L) | all year | 603 |
| Nickel, total [as Ni] | monthly average | report only (mg/L) | all year | 603 |
| Nickel, total [as Ni] | daily maximum | report only (mg/L) | all year | 603 |
| Zinc, total [as Zn] | monthly average | report only (ug/L) | all year | 603 |
| Zinc, total [as Zn] | daily maximum | report only (ug/L) | all year | 603 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 603 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 603 |
| Oxygen, dissolved [DO] | instantaneous minimum | ≥ 5 mg/L | all year | 901 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 901 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 901 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 901 |
| Solids, total suspended | daily maximum | ≤ 60 mg/L | all year | 901 |
| Iron, dissolved [as Fe] | monthly average | report only (mg/L) | all year | 901 |
| Iron, dissolved [as Fe] | daily maximum | ≤ 7 mg/L | all year | 901 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 901 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 901 |
| Oxygen, dissolved [DO] | instantaneous minimum | ≥ 5 mg/L | all year | 903 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 903 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 903 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 903 |
| Solids, total suspended | daily maximum | ≤ 60 mg/L | all year | 903 |
| Cadmium, total [as Cd] | monthly average | report only (ug/L) | all year | 903 |
| Cadmium, total [as Cd] | daily maximum | report only (ug/L) | all year | 903 |
| Chromium, hexavalent [as Cr] | monthly average | report only (ug/L) | all year | 903 |
| Chromium, hexavalent [as Cr] | daily maximum | report only (ug/L) | all year | 903 |
| Chromium, trivalent [as Cr] | monthly average | report only (ug/L) | all year | 903 |
| Chromium, trivalent [as Cr] | daily maximum | report only (ug/L) | all year | 903 |
| Copper, total [as Cu] | monthly average | report only (ug/L) | all year | 903 |
| Copper, total [as Cu] | daily maximum | report only (ug/L) | all year | 903 |
| Iron, total [as Fe] | monthly average | report only (mg/L) | all year | 903 |
| Iron, total [as Fe] | daily maximum | report only (mg/L) | all year | 903 |
| Iron, dissolved [as Fe] | monthly average | report only (mg/L) | all year | 903 |
| Iron, dissolved [as Fe] | daily maximum | ≤ 7 mg/L | all year | 903 |
| Lead, total [as Pb] | monthly average | report only (ug/L) | all year | 903 |
| Lead, total [as Pb] | daily maximum | report only (ug/L) | all year | 903 |
| Manganese, total [as Mn] | monthly average | report only (ug/L) | all year | 903 |
| Manganese, total [as Mn] | daily maximum | report only (ug/L) | all year | 903 |
| Thallium, total [as Tl] | monthly average | report only (ug/L) | all year | 903 |
| Thallium, total [as Tl] | daily maximum | report only (ug/L) | all year | 903 |
| Silver, total [as Ag] | monthly average | report only (ug/L) | all year | 903 |
| Silver, total [as Ag] | daily maximum | report only (ug/L) | all year | 903 |
| Zinc, total [as Zn] | monthly average | report only (ug/L) | all year | 903 |
| Zinc, total [as Zn] | daily maximum | report only (ug/L) | all year | 903 |
| Antimony, total [as Sb] | monthly average | report only (ug/L) | all year | 903 |
| Antimony, total [as Sb] | daily maximum | report only (ug/L) | all year | 903 |
| Aluminum, total [as Al] | monthly average | report only (ug/L) | all year | 903 |
| Aluminum, total [as Al] | daily maximum | report only (ug/L) | all year | 903 |
| Selenium, total [as Se] | monthly average | report only (ug/L) | all year | 903 |
| Selenium, total [as Se] | daily maximum | report only (ug/L) | all year | 903 |
| Benzo[k]fluoranthene | monthly average | report only (ug/L) | all year | 903 |
| Benzo[k]fluoranthene | daily maximum | report only (ug/L) | all year | 903 |
| Benzo[a]pyrene | monthly average | report only (ug/L) | all year | 903 |
| Benzo[a]pyrene | daily maximum | report only (ug/L) | all year | 903 |
| Chrysene | monthly average | report only (ug/L) | all year | 903 |
| Chrysene | daily maximum | report only (ug/L) | all year | 903 |
| Benzo[a]anthracene | monthly average | report only (ug/L) | all year | 903 |
| Benzo[a]anthracene | daily maximum | report only (ug/L) | all year | 903 |
| Dibenz[a,h]anthracene | monthly average | report only (ug/L) | all year | 903 |
| Dibenz[a,h]anthracene | daily maximum | report only (ug/L) | all year | 903 |
| Di[2-ethylhexyl] phthalate [DEHP] | monthly average | report only (ug/L) | all year | 903 |
| Di[2-ethylhexyl] phthalate [DEHP] | daily maximum | report only (ug/L) | all year | 903 |
| Hexachlorobenzene | monthly average | report only (ug/L) | all year | 903 |
| Hexachlorobenzene | daily maximum | report only (ug/L) | all year | 903 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 903 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 903 |
| 3,4-Benzofluoranthene | monthly average | report only (ug/L) | all year | 903 |
| 3,4-Benzofluoranthene | daily maximum | report only (ug/L) | all year | 903 |
| Oxygen, dissolved [DO] | instantaneous minimum | ≥ 5 mg/L | all year | 911 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 911 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 911 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 911 |
| Solids, total suspended | daily maximum | ≤ 60 mg/L | all year | 911 |
| Iron, dissolved [as Fe] | monthly average | report only (mg/L) | all year | 911 |
| Iron, dissolved [as Fe] | daily maximum | ≤ 7 mg/L | all year | 911 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 911 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 911 |
| Oxygen, dissolved [DO] | instantaneous minimum | ≥ 5 mg/L | all year | 921 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 921 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 921 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 921 |
| Solids, total suspended | daily maximum | ≤ 60 mg/L | all year | 921 |
| Iron, dissolved [as Fe] | monthly average | report only (mg/L) | all year | 921 |
| Iron, dissolved [as Fe] | daily maximum | ≤ 7 mg/L | all year | 921 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 921 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 921 |
| Parameter | New limit | New or tighter | Median, last 12 months | × new limit |
|---|---|---|---|---|
| Chlorine, total residual, daily maximum outfall 003 | 0.027 mg/L | new | 0.01 mg/L (9 values, 6 below detection) | — |
| Chlorine, total residual, monthly average outfall 003 | 0.02 mg/L | new | 0.01 mg/L (9 values, 9 below detection) | — |
| Temperature, water deg. fahrenheit, instantaneous maximum outfall 003 | 40 deg F (Jan) | tighter | — | — |
| Temperature, water deg. fahrenheit, instantaneous maximum outfall 004 | 40.3 deg F (Jan) | tighter | — | — |
| 3,4-Benzofluoranthene, daily maximum outfall 113 | 2.5 ug/L | new | — | — |
| 3,4-Benzofluoranthene, monthly average outfall 113 | 2.5 ug/L | new | — | — |
| Benzo[a]anthracene, daily maximum outfall 113 | 2.5 ug/L | new | — | — |
| Benzo[a]anthracene, monthly average outfall 113 | 2.5 ug/L | new | — | — |
| Benzo[a]pyrene, daily maximum outfall 113 | 2.5 ug/L | new | — | — |
| Benzo[a]pyrene, monthly average outfall 113 | 2.5 ug/L | new | — | — |
| Benzo[k]fluoranthene, daily maximum outfall 113 | 2.5 ug/L | new | — | — |
| Benzo[k]fluoranthene, monthly average outfall 113 | 2.5 ug/L | new | — | — |
| Cadmium, total [as Cd], daily maximum outfall 113 | 0.22 ug/L | new | — | — |
| Cadmium, total [as Cd], monthly average outfall 113 | 0.2 ug/L | new | — | — |
| Chromium, hexavalent [as Cr], daily maximum outfall 113 | 18.3 ug/L | new | — | — |
| Chromium, hexavalent [as Cr], monthly average outfall 113 | 11.7 ug/L | new | — | — |
| Chromium, trivalent [as Cr], daily maximum outfall 113 | 63.1 ug/L | new | — | — |
| Chromium, trivalent [as Cr], monthly average outfall 113 | 40.4 ug/L | new | — | — |
| Chrysene, daily maximum outfall 113 | 2.5 ug/L | new | — | — |
| Chrysene, monthly average outfall 113 | 2.5 ug/L | new | — | — |
| Copper, total [as Cu], daily maximum outfall 113 | 5.76 ug/L | new | — | — |
| Copper, total [as Cu], monthly average outfall 113 | 4.21 ug/L | new | — | — |
| Di[2-ethylhexyl] phthalate [DEHP], daily maximum outfall 113 | 5 ug/L | new | — | — |
| Di[2-ethylhexyl] phthalate [DEHP], monthly average outfall 113 | 5 ug/L | new | — | — |
| Dibenz[a,h]anthracene, daily maximum outfall 113 | 2.5 ug/L | new | — | — |
| Dibenz[a,h]anthracene, monthly average outfall 113 | 2.5 ug/L | new | — | — |
| Hexachlorobenzene, daily maximum outfall 113 | 5 ug/L | new | — | — |
| Hexachlorobenzene, monthly average outfall 113 | 5 ug/L | new | — | — |
| Iron, dissolved [as Fe], daily maximum outfall 113 | 0.527 mg/L | tighter | — | — |
| Lead, total [as Pb], daily maximum outfall 113 | 1.43 ug/L | new | — | — |
| Lead, total [as Pb], monthly average outfall 113 | 1 ug/L | new | — | — |
| Thallium, total [as Tl], daily maximum outfall 113 | 2 ug/L | new | — | — |
| Thallium, total [as Tl], monthly average outfall 113 | 2 ug/L | new | — | — |
| 3,4-Benzofluoranthene, daily maximum outfall 123 | 2.5 ug/L | new | — | — |
| 3,4-Benzofluoranthene, monthly average outfall 123 | 2.5 ug/L | new | — | — |
| Benzo[a]anthracene, daily maximum outfall 123 | 2.5 ug/L | new | — | — |
| Benzo[a]anthracene, monthly average outfall 123 | 2.5 ug/L | new | — | — |
| Benzo[a]pyrene, daily maximum outfall 123 | 2.5 ug/L | new | — | — |
| Benzo[a]pyrene, monthly average outfall 123 | 2.5 ug/L | new | — | — |
| Benzo[k]fluoranthene, daily maximum outfall 123 | 2.5 ug/L | new | — | — |
| Benzo[k]fluoranthene, monthly average outfall 123 | 2.5 ug/L | new | — | — |
| Cadmium, total [as Cd], daily maximum outfall 123 | 0.23 ug/L | new | — | — |
| Cadmium, total [as Cd], monthly average outfall 123 | 0.2 ug/L | new | — | — |
| Chromium, hexavalent [as Cr], daily maximum outfall 123 | 18.85 ug/L | new | — | — |
| Chromium, hexavalent [as Cr], monthly average outfall 123 | 12 ug/L | new | — | — |
| Chromium, trivalent [as Cr], daily maximum outfall 123 | 67.6 ug/L | new | — | — |
| Chromium, trivalent [as Cr], monthly average outfall 123 | 43.4 ug/L | new | — | — |
| Chrysene, daily maximum outfall 123 | 2.5 ug/L | new | — | — |
| Chrysene, monthly average outfall 123 | 2.5 ug/L | new | — | — |
| Copper, total [as Cu], daily maximum outfall 123 | 6.21 ug/L | new | — | — |
| Copper, total [as Cu], monthly average outfall 123 | 4.53 ug/L | new | — | — |
| Di[2-ethylhexyl] phthalate [DEHP], daily maximum outfall 123 | 5 ug/L | new | — | — |
| Di[2-ethylhexyl] phthalate [DEHP], monthly average outfall 123 | 5 ug/L | new | — | — |
| Dibenz[a,h]anthracene, daily maximum outfall 123 | 2.5 ug/L | new | — | — |
| Dibenz[a,h]anthracene, monthly average outfall 123 | 2.5 ug/L | new | — | — |
| Hexachlorobenzene, daily maximum outfall 123 | 5 ug/L | new | — | — |
| Hexachlorobenzene, monthly average outfall 123 | 5 ug/L | new | — | — |
| Iron, dissolved [as Fe], daily maximum outfall 123 | 0.542 mg/L | tighter | — | — |
| Lead, total [as Pb], daily maximum outfall 123 | 1.57 ug/L | new | — | — |
| Lead, total [as Pb], monthly average outfall 123 | 1.01 ug/L | new | — | — |
| Thallium, total [as Tl], daily maximum outfall 123 | 2 ug/L | new | — | — |
| Thallium, total [as Tl], monthly average outfall 123 | 2 ug/L | new | — | — |
| 3,4-Benzofluoranthene, daily maximum outfall 303 | 2.5 ug/L | new | 0.093 ug/L (3 values, 3 below detection) | — |
| 3,4-Benzofluoranthene, monthly average outfall 303 | 2.5 ug/L | new | 0.093 ug/L (3 values, 3 below detection) | — |
| Benzo[a]anthracene, daily maximum outfall 303 | 2.5 ug/L | new | 0.071 ug/L (3 values, 3 below detection) | — |
| Benzo[a]anthracene, monthly average outfall 303 | 2.5 ug/L | new | 0.071 ug/L (3 values, 3 below detection) | — |
| Benzo[a]pyrene, daily maximum outfall 303 | 2.5 ug/L | new | 0.054 ug/L (3 values, 3 below detection) | — |
| Benzo[a]pyrene, monthly average outfall 303 | 2.5 ug/L | new | 0.054 ug/L (3 values, 3 below detection) | — |
| Benzo[k]fluoranthene, daily maximum outfall 303 | 2.5 ug/L | new | 0.085 ug/L (3 values, 3 below detection) | — |
| Benzo[k]fluoranthene, monthly average outfall 303 | 2.5 ug/L | new | 0.085 ug/L (3 values, 3 below detection) | — |
| Cadmium, total [as Cd], daily maximum outfall 303 | 0.2 ug/L | new | 0.15 ug/L (3 values, 3 below detection) | — |
| Cadmium, total [as Cd], monthly average outfall 303 | 0.2 ug/L | new | 0.15 ug/L (3 values, 3 below detection) | — |
| Chromium, hexavalent [as Cr], daily maximum outfall 303 | 17.5 ug/L | new | 0.67 ug/L (3 values, 2 below detection) | — |
| Chromium, hexavalent [as Cr], monthly average outfall 303 | 11.2 ug/L | new | 0.67 ug/L (3 values, 2 below detection) | — |
| Chromium, trivalent [as Cr], daily maximum outfall 303 | 56.2 ug/L | new | 0.55 ug/L (3 values, 3 below detection) | — |
| Chromium, trivalent [as Cr], monthly average outfall 303 | 36 ug/L | new | 0.55 ug/L (3 values, 3 below detection) | — |
| Chrysene, daily maximum outfall 303 | 2.5 ug/L | new | 0.078 ug/L (3 values, 3 below detection) | — |
| Chrysene, monthly average outfall 303 | 2.5 ug/L | new | 0.078 ug/L (3 values, 3 below detection) | — |
| Copper, total [as Cu], daily maximum outfall 303 | 5.08 ug/L | new | 2.3 ug/L (3 values) | 0.453× |
| Copper, total [as Cu], monthly average outfall 303 | 4 ug/L | new | 2.3 ug/L (3 values) | 0.575× |
| Di[2-ethylhexyl] phthalate [DEHP], daily maximum outfall 303 | 5 ug/L | new | 2.8 ug/L (3 values, 3 below detection) | — |
| Di[2-ethylhexyl] phthalate [DEHP], monthly average outfall 303 | 5 ug/L | new | 2.8 ug/L (3 values, 3 below detection) | — |
| Dibenz[a,h]anthracene, daily maximum outfall 303 | 2.5 ug/L | new | 0.069 ug/L (3 values, 3 below detection) | — |
| Dibenz[a,h]anthracene, monthly average outfall 303 | 2.5 ug/L | new | 0.069 ug/L (3 values, 3 below detection) | — |
| Hexachlorobenzene, daily maximum outfall 303 | 5 ug/L | new | 0.054 ug/L (3 values, 3 below detection) | — |
| Hexachlorobenzene, monthly average outfall 303 | 5 ug/L | new | 0.054 ug/L (3 values, 3 below detection) | — |
| Iron, dissolved [as Fe], daily maximum outfall 303 | 0.505 mg/L | tighter | 0.021 mg/L (3 values, 3 below detection) | — |
| Lead, total [as Pb], daily maximum outfall 303 | 1.23 ug/L | new | 0.12 ug/L (3 values, 1 below detection) | 0.0976× |
| Lead, total [as Pb], monthly average outfall 303 | 1 ug/L | new | 0.12 ug/L (3 values, 1 below detection) | 0.12× |
| Silver, total [as Ag], daily maximum outfall 303 | 0.56 ug/L | new | 0.1 ug/L (3 values, 3 below detection) | — |
| Silver, total [as Ag], monthly average outfall 303 | 0.52 ug/L | new | 0.1 ug/L (3 values, 3 below detection) | — |
| Thallium, total [as Tl], daily maximum outfall 303 | 2 ug/L | new | 0.13 ug/L (3 values, 3 below detection) | — |
| Thallium, total [as Tl], monthly average outfall 303 | 2 ug/L | new | 0.13 ug/L (3 values, 3 below detection) | — |
| Copper, total [as Cu], daily maximum outfall 403 | 4 ug/L | new | — | — |
| Copper, total [as Cu], monthly average outfall 403 | 4 ug/L | new | — | — |
| Lead, total [as Pb], daily maximum outfall 403 | 1 ug/L | new | — | — |
| Lead, total [as Pb], monthly average outfall 403 | 1 ug/L | new | — | — |
| Nickel, total [as Ni], daily maximum outfall 403 | 17.3 ug/L | new | — | — |
| Nickel, total [as Ni], monthly average outfall 403 | 11.1 ug/L | new | — | — |
| Zinc, total [as Zn], daily maximum outfall 403 | 25.4 ug/L | new | — | — |
| Zinc, total [as Zn], monthly average outfall 403 | 22.3 ug/L | new | — | — |
| Copper, total [as Cu], daily maximum outfall 603 | 23.1 ug/L | new | — | — |
| Copper, total [as Cu], monthly average outfall 603 | 14.8 ug/L | new | — | — |
| Nickel, total [as Ni], daily maximum outfall 603 | 140 ug/L | new | — | — |
| Nickel, total [as Ni], monthly average outfall 603 | 90 ug/L | new | — | — |
| 3,4-Benzofluoranthene, daily maximum outfall 903 | 2.5 ug/L | new | — | — |
| 3,4-Benzofluoranthene, monthly average outfall 903 | 2.5 ug/L | new | — | — |
| Benzo[a]anthracene, daily maximum outfall 903 | 2.5 ug/L | new | — | — |
| Benzo[a]anthracene, monthly average outfall 903 | 2.5 ug/L | new | — | — |
| Benzo[a]pyrene, daily maximum outfall 903 | 2.5 ug/L | new | — | — |
| Benzo[a]pyrene, monthly average outfall 903 | 2.5 ug/L | new | — | — |
| Benzo[k]fluoranthene, daily maximum outfall 903 | 2.5 ug/L | new | — | — |
| Benzo[k]fluoranthene, monthly average outfall 903 | 2.5 ug/L | new | — | — |
| Cadmium, total [as Cd], daily maximum outfall 903 | 0.2 ug/L | new | — | — |
| Cadmium, total [as Cd], monthly average outfall 903 | 0.2 ug/L | new | — | — |
| Chromium, hexavalent [as Cr], daily maximum outfall 903 | 17.2 ug/L | new | — | — |
| Chromium, hexavalent [as Cr], monthly average outfall 903 | 11.1 ug/L | new | — | — |
| Chromium, trivalent [as Cr], daily maximum outfall 903 | 53.9 ug/L | new | — | — |
| Chromium, trivalent [as Cr], monthly average outfall 903 | 34.6 ug/L | new | — | — |
| Chrysene, daily maximum outfall 903 | 2.5 ug/L | new | — | — |
| Chrysene, monthly average outfall 903 | 2.5 ug/L | new | — | — |
| Copper, total [as Cu], daily maximum outfall 903 | 4.85 ug/L | new | — | — |
| Copper, total [as Cu], monthly average outfall 903 | 4 ug/L | new | — | — |
| Di[2-ethylhexyl] phthalate [DEHP], daily maximum outfall 903 | 5 ug/L | new | — | — |
| Di[2-ethylhexyl] phthalate [DEHP], monthly average outfall 903 | 5 ug/L | new | — | — |
| Dibenz[a,h]anthracene, daily maximum outfall 903 | 2.5 ug/L | new | — | — |
| Dibenz[a,h]anthracene, monthly average outfall 903 | 2.5 ug/L | new | — | — |
| Hexachlorobenzene, daily maximum outfall 903 | 5 ug/L | new | — | — |
| Hexachlorobenzene, monthly average outfall 903 | 5 ug/L | new | — | — |
| Iron, dissolved [as Fe], daily maximum outfall 903 | 0.498 mg/L | tighter | — | — |
| Lead, total [as Pb], daily maximum outfall 903 | 1.16 ug/L | new | — | — |
| Lead, total [as Pb], monthly average outfall 903 | 1 ug/L | new | — | — |
| Silver, total [as Ag], daily maximum outfall 903 | 0.52 ug/L | new | — | — |
| Silver, total [as Ag], monthly average outfall 903 | 0.49 ug/L | new | — | — |
| Thallium, total [as Tl], daily maximum outfall 903 | 2 ug/L | new | — | — |
| Thallium, total [as Tl], monthly average outfall 903 | 2 ug/L | new | — | — |
Cited limits by parameter: Pennsylvania's rules and the federal ones.
Same industry: the 15 Electronic and Other Electrical Equipment permits in Pennsylvania.
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