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Homer City Generation LP

Electric Services, major discharger, Homer City, Pennsylvania. NPDES permit PA0005037, in force until Dec 31, 2026. Last 12 months: no values over a limit, 208 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form A monthly (20 values), outfall 002 form A monthly (10 values), outfall 006 form A monthly (1 value), outfall 013 form A monthly (18 values), outfall 018 form A monthly (19 values), outfall 023 form A monthly (16 values), and 37 more forms
Renewal application due
Jul 4, 2026 · 180 days before expiry; your permit may set another date
Last report on file
June 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 211 reports late

Limits in force (370)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitdaily maximum≤ 110 deg FJan, Feb, Mar, Apr, May, Jun, Aug, Sep, Oct, Nov, Dec001
Temperature, water deg. fahrenheitdaily maximum≤ 85.9 deg FJul001
pHinstantaneous minimum≥ 6 SUall year001
pHinstantaneous maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 15 mg/Lall year001
Solids, total suspendeddaily maximum≤ 50 mg/Lall year001
Oil & Greasemonthly average≤ 7.5 mg/Lall year001
Oil & Greasedaily maximum≤ 10 mg/Lall year001
Chromium, total [as Cr]annual average≤ .2 mg/Lall year001
Chromium, total [as Cr]daily maximum≤ .2 mg/Lall year001
Iron, total [as Fe]monthly average≤ 1.5 mg/Lall year001
Iron, total [as Fe]daily maximum≤ 3 mg/Lall year001
Manganese, total [as Mn]monthly average≤ 1 mg/Lall year001
Manganese, total [as Mn]daily maximum≤ 2 mg/Lall year001
Thallium, total [as Tl]monthly averagereport only (mg/L)all year001
Thallium, total [as Tl]daily maximumreport only (mg/L)all year001
Zinc, total [as Zn]annual average≤ 1 mg/Lall year001
Zinc, total [as Zn]daily maximum≤ 1 mg/Lall year001
Aluminum, total [as Al]monthly average≤ .75 mg/Lall year001
Aluminum, total [as Al]daily maximum≤ .75 mg/Lall year001
Iron [total]annual total≤ 19739 lball year001
Iron [total]monthly totalreport only (lb)all year001
Manganese [total]annual total≤ 13159 lball year001
Manganese [total]monthly totalreport only (lb)all year001
Aluminum [total]monthly totalreport only (lb)all year001
Aluminum [total]annual total≤ 9869 lball year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)Jul001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)Jan, Feb, Mar, Apr, May, Jun, Aug, Sep, Oct, Nov, Dec001
Flow, in conduit or thru treatment plantdaily maximum≤ 2.736 MGDJul001
Flow, in conduit or thru treatment plantdaily maximum≤ 4.32 MGDJan, Feb, Mar, Apr, May, Jun, Aug, Sep, Oct, Nov, Dec001
Chlorine, free availableannual average≤ .2 mg/Lall year001
Chlorine, free availabledaily maximum≤ .5 mg/Lall year001
pHinstantaneous minimumreport only (SU)all year002
pHinstantaneous maximumreport only (SU)all year002
Iron, total [as Fe]monthly averagereport only (mg/L)all year002
Iron, total [as Fe]daily maximumreport only (mg/L)all year002
Manganese, total [as Mn]monthly averagereport only (mg/L)all year002
Manganese, total [as Mn]daily maximumreport only (mg/L)all year002
Aluminum, total [as Al]monthly averagereport only (mg/L)all year002
Aluminum, total [as Al]daily maximumreport only (mg/L)all year002
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year002
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year002
Precipitation, total defined period/inmonthly totalreport only (in)all year006
Precipitation, total defined period/inannual totalreport only (in)all year006
Iron [total]annual total≤ 12653 lball year006
Manganese [total]annual total≤ 8438 lball year006
Aluminum [total]annual total≤ 6326 lball year006
Flow, totalannual totalreport only (Mgal)all year006
pHinstantaneous minimum≥ 6 SUall year013
pHinstantaneous maximum≤ 9 SUall year013
Solids, total suspendedmonthly averagereport only (mg/L)all year013
Solids, total suspendeddaily maximumreport only (mg/L)all year013
Iron, total [as Fe]monthly averagereport only (mg/L)all year013
Iron, total [as Fe]daily maximumreport only (mg/L)all year013
Manganese, total [as Mn]monthly averagereport only (mg/L)all year013
Manganese, total [as Mn]daily maximumreport only (mg/L)all year013
Aluminum, total [as Al]monthly averagereport only (mg/L)all year013
Aluminum, total [as Al]daily maximumreport only (mg/L)all year013
Iron [total]monthly totalreport only (lb)all year013
Iron [total]annual total≤ 4235 lball year013
Manganese [total]monthly totalreport only (lb)all year013
Manganese [total]annual total≤ 2823 lball year013
Aluminum [total]monthly totalreport only (lb)all year013
Aluminum [total]annual total≤ 2117 lball year013
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year013
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year013
Flow, totalmonthly totalreport only (Mgal)all year013
Flow, totalannual totalreport only (Mgal)all year013
Solids, total dissolvedmonthly averagereport only (mg/L)all year013
Solids, total dissolveddaily maximumreport only (mg/L)all year013
pHinstantaneous maximumreport only (SU)all year017
Solids, total suspendeddaily maximumreport only (mg/L)all year017
Oil & Greasedaily maximumreport only (mg/L)all year017
Nitrogen, total [as N]daily maximumreport only (mg/L)all year017
Iron, total [as Fe]daily maximumreport only (mg/L)all year017
Manganese, total [as Mn]daily maximumreport only (mg/L)all year017
Aluminum, total [as Al]daily maximumreport only (mg/L)all year017
Iron [total]annual totalreport only (lb)all year017
Iron [total]semi-annual totalreport only (lb)all year017
Manganese [total]semi-annual totalreport only (lb)all year017
Manganese [total]annual totalreport only (lb)all year017
Aluminum [total]annual totalreport only (lb)all year017
Aluminum [total]semi-annual totalreport only (lb)all year017
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year017
Flow, totalannual totalreport only (Mgal)all year017
Flow, totalsemi-annual totalreport only (Mgal)all year017
pHinstantaneous minimum≥ 6 SUall year018
pHinstantaneous maximum≤ 9 SUall year018
Solids, total suspendedmonthly average≤ 30 mg/Lall year018
Solids, total suspendeddaily maximum≤ 70 mg/Lall year018
Oil & Greasemonthly average≤ 15 mg/Lall year018
Oil & Greasedaily maximum≤ 20 mg/Lall year018
Iron, total [as Fe]monthly average≤ 1.5 mg/Lall year018
Iron, total [as Fe]daily maximum≤ 3 mg/Lall year018
Manganese, total [as Mn]monthly average≤ 1 mg/Lall year018
Manganese, total [as Mn]daily maximum≤ 2 mg/Lall year018
Thallium, total [as Tl]monthly average≤ .002 mg/Lall year018
Thallium, total [as Tl]daily maximum≤ .002 mg/Lall year018
Aluminum, total [as Al]monthly average≤ .75 mg/Lall year018
Aluminum, total [as Al]daily maximum≤ .75 mg/Lall year018
Iron [total]annual total≤ 1828 lball year018
Iron [total]monthly totalreport only (lb)all year018
Manganese [total]annual total≤ 1218 lball year018
Manganese [total]monthly totalreport only (lb)all year018
Aluminum [total]annual total≤ 914 lball year018
Aluminum [total]monthly totalreport only (lb)all year018
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year018
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year018
pHinstantaneous maximumreport only (SU)all year019
Solids, total suspendeddaily maximumreport only (mg/L)all year019
Oil & Greasedaily maximumreport only (mg/L)all year019
Iron, total [as Fe]daily maximumreport only (mg/L)all year019
Manganese, total [as Mn]daily maximumreport only (mg/L)all year019
Aluminum, total [as Al]daily maximumreport only (mg/L)all year019
Iron [total]annual totalreport only (lb)all year019
Iron [total]semi-annual totalreport only (lb)all year019
Manganese [total]annual totalreport only (lb)all year019
Manganese [total]semi-annual totalreport only (lb)all year019
Aluminum [total]annual totalreport only (lb)all year019
Aluminum [total]semi-annual totalreport only (lb)all year019
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year019
Flow, totalannual totalreport only (Mgal)all year019
Flow, totalsemi-annual totalreport only (Mgal)all year019
pHinstantaneous maximumreport only (SU)all year021
Solids, total suspendeddaily maximumreport only (mg/L)all year021
Oil & Greasedaily maximumreport only (mg/L)all year021
Nitrogen, total [as N]daily maximumreport only (mg/L)all year021
Iron, total [as Fe]daily maximumreport only (mg/L)all year021
Manganese, total [as Mn]daily maximumreport only (mg/L)all year021
Aluminum, total [as Al]daily maximumreport only (mg/L)all year021
Iron [total]semi-annual totalreport only (lb)all year021
Iron [total]annual total≤ 383 lball year021
Manganese [total]semi-annual totalreport only (lb)all year021
Manganese [total]annual total≤ 256 lball year021
Aluminum [total]semi-annual totalreport only (lb)all year021
Aluminum [total]annual total≤ 192 lball year021
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year021
Flow, totalsemi-annual totalreport only (Mgal)all year021
Flow, totalannual totalreport only (Mgal)all year021
pHinstantaneous maximumreport only (SU)all year022
Solids, total suspendeddaily maximumreport only (mg/L)all year022
Oil & Greasedaily maximumreport only (mg/L)all year022
Nitrogen, total [as N]daily maximumreport only (mg/L)all year022
Iron, total [as Fe]daily maximumreport only (mg/L)all year022
Manganese, total [as Mn]daily maximumreport only (mg/L)all year022
Aluminum, total [as Al]daily maximumreport only (mg/L)all year022
Iron [total]annual totalreport only (lb)all year022
Iron [total]semi-annual totalreport only (lb)all year022
Manganese [total]annual totalreport only (lb)all year022
Manganese [total]semi-annual totalreport only (lb)all year022
Aluminum [total]annual totalreport only (lb)all year022
Aluminum [total]semi-annual totalreport only (lb)all year022
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year022
Flow, totalsemi-annual totalreport only (Mgal)all year022
Flow, totalannual totalreport only (Mgal)all year022
pHinstantaneous minimum≥ 6 SUall year023
pHinstantaneous maximum≤ 9 SUall year023
Solids, total suspendedmonthly average≤ 35 mg/Lall year023
Solids, total suspendeddaily maximum≤ 70 mg/Lall year023
Oil & Greasedaily maximumreport only (mg/L)all year023
Iron, total [as Fe]monthly average≤ 1.5 mg/Lall year023
Iron, total [as Fe]daily maximum≤ 3 mg/Lall year023
Manganese, total [as Mn]monthly averagereport only (mg/L)all year023
Manganese, total [as Mn]daily maximumreport only (mg/L)all year023
Aluminum, total [as Al]monthly averagereport only (mg/L)all year023
Aluminum, total [as Al]daily maximumreport only (mg/L)all year023
Iron [total]annual totalreport only (lb)all year023
Iron [total]monthly totalreport only (lb)all year023
Manganese [total]annual totalreport only (lb)all year023
Manganese [total]monthly totalreport only (lb)all year023
Aluminum [total]annual totalreport only (lb)all year023
Aluminum [total]monthly totalreport only (lb)all year023
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year023
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year023
Flow, totalannual totalreport only (Mgal)all year023
Flow, totalmonthly totalreport only (Mgal)all year023
pHinstantaneous maximumreport only (SU)all year025
Solids, total suspendeddaily maximumreport only (mg/L)all year025
Oil & Greasedaily maximumreport only (mg/L)all year025
Nitrogen, total [as N]daily maximumreport only (mg/L)all year025
Iron, total [as Fe]daily maximumreport only (mg/L)all year025
Manganese, total [as Mn]daily maximumreport only (mg/L)all year025
Aluminum, total [as Al]daily maximumreport only (mg/L)all year025
Iron [total]semi-annual totalreport only (lb)all year025
Iron [total]annual totalreport only (lb)all year025
Manganese [total]semi-annual totalreport only (lb)all year025
Manganese [total]annual totalreport only (lb)all year025
Aluminum [total]semi-annual totalreport only (lb)all year025
Aluminum [total]annual totalreport only (lb)all year025
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year025
Flow, totalsemi-annual totalreport only (Mgal)all year025
Flow, totalannual totalreport only (Mgal)all year025
Temperature, water deg. fahrenheitinstantaneous maximum≤ 110 deg Fall year027
pHinstantaneous minimum≥ 6 SUall year027
pHinstantaneous maximum≤ 9 SUall year027
Solids, total suspendedmonthly average≤ 30 mg/Lall year027
Solids, total suspendeddaily maximum≤ 100 mg/Lall year027
Oil & Greasemonthly average≤ 15 mg/Lall year027
Oil & Greasedaily maximum≤ 20 mg/Lall year027
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)all year027
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)all year027
Arsenic, total [as As]monthly averagereport only (mg/L)all year027
Arsenic, total [as As]daily maximumreport only (mg/L)all year027
Beryllium, total [as Be]monthly average≤ .8 mg/Lall year027
Beryllium, total [as Be]daily maximum≤ 1.6 mg/Lall year027
Boron, total [as B]monthly averagereport only (mg/L)all year027
Boron, total [as B]daily maximumreport only (mg/L)all year027
Iron, total [as Fe]monthly averagereport only (mg/L)all year027
Iron, total [as Fe]daily maximumreport only (mg/L)all year027
Lead, total [as Pb]monthly average≤ .1 mg/Lall year027
Lead, total [as Pb]daily maximum≤ .2 mg/Lall year027
Manganese, total [as Mn]monthly averagereport only (mg/L)all year027
Manganese, total [as Mn]daily maximumreport only (mg/L)all year027
Aluminum, total [as Al]monthly averagereport only (mg/L)all year027
Aluminum, total [as Al]daily maximumreport only (mg/L)all year027
Selenium, total [as Se]monthly average≤ .8 mg/Lall year027
Selenium, total [as Se]daily maximum≤ 1.6 mg/Lall year027
Iron [total]annual totalreport only (lb)all year027
Iron [total]monthly totalreport only (lb)all year027
Manganese [total]annual totalreport only (lb)all year027
Manganese [total]monthly totalreport only (lb)all year027
Aluminum [total]annual totalreport only (lb)all year027
Aluminum [total]monthly totalreport only (lb)all year027
Methylene blue active substancesmonthly averagereport only (mg/L)all year027
Methylene blue active substancesdaily maximumreport only (mg/L)all year027
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year027
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year027
Cyanide, free availablemonthly averagereport only (mg/L)all year027
Cyanide, free availabledaily maximumreport only (mg/L)all year027
Solids, total dissolvedmonthly averagereport only (mg/L)all year027
Solids, total dissolveddaily maximumreport only (mg/L)all year027
Bromide [as Br]monthly averagereport only (mg/L)all year027
Bromide [as Br]daily maximumreport only (mg/L)all year027
Mercury, total [as Hg]monthly averagereport only (ng/L)all year027
Mercury, total [as Hg]daily maximumreport only (ng/L)all year027
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/Lall year027
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 50 mg/Lall year027
Osmotic pressure, total, unf whl wtrmonthly averagereport only (mOsm/kg)all year027
Osmotic pressure, total, unf whl wtrdaily maximumreport only (mOsm/kg)all year027
pHinstantaneous minimum≥ 6 SUall year030
pHinstantaneous maximum≤ 9 SUall year030
Solids, total suspendedmonthly average≤ 30 mg/Lall year030
Solids, total suspendeddaily maximum≤ 60 mg/Lall year030
Oil & Greasedaily maximumreport only (mg/L)all year030
Iron, total [as Fe]monthly average≤ 1.5 mg/Lall year030
Iron, total [as Fe]daily maximum≤ 3 mg/Lall year030
Manganese, total [as Mn]monthly average≤ 1 mg/Lall year030
Manganese, total [as Mn]daily maximum≤ 2 mg/Lall year030
Aluminum, total [as Al]monthly average≤ .75 mg/Lall year030
Aluminum, total [as Al]daily maximum≤ .75 mg/Lall year030
Iron [total]annual totalreport only (lb)all year030
Iron [total]monthly totalreport only (lb)all year030
Manganese [total]annual totalreport only (lb)all year030
Manganese [total]monthly totalreport only (lb)all year030
Aluminum [total]annual totalreport only (lb)all year030
Aluminum [total]monthly totalreport only (lb)all year030
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year030
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year030
pHinstantaneous minimum≥ 6 SUall year032
pHinstantaneous maximum≤ 9 SUall year032
Solids, total suspendedmonthly average≤ 30 mg/Lall year032
Solids, total suspendeddaily maximum≤ 60 mg/Lall year032
Oil & Greasedaily maximumreport only (mg/L)all year032
Iron, total [as Fe]monthly average≤ 1.5 mg/Lall year032
Iron, total [as Fe]daily maximum≤ 3 mg/Lall year032
Manganese, total [as Mn]monthly average≤ 1 mg/Lall year032
Manganese, total [as Mn]daily maximum≤ 2 mg/Lall year032
Aluminum, total [as Al]monthly average≤ .75 mg/Lall year032
Aluminum, total [as Al]daily maximum≤ .75 mg/Lall year032
Iron [total]monthly totalreport only (lb)all year032
Iron [total]annual totalreport only (lb)all year032
Manganese [total]monthly totalreport only (lb)all year032
Manganese [total]annual totalreport only (lb)all year032
Aluminum [total]monthly totalreport only (lb)all year032
Aluminum [total]annual totalreport only (lb)all year032
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year032
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year032
pHinstantaneous minimum≥ 6 SUall year101
pHinstantaneous maximum≤ 9 SUall year101
Solids, total suspendedmonthly average≤ 30 mg/Lall year101
Solids, total suspendeddaily maximum≤ 100 mg/Lall year101
Oil & Greasemonthly average≤ 15 mg/Lall year101
Oil & Greasedaily maximum≤ 20 mg/Lall year101
Arsenic, total [as As]semi-annual averagereport only (mg/L)all year101
Arsenic, total [as As]daily maximumreport only (mg/L)all year101
Iron, dissolved [as Fe]monthly average≤ 2 mg/Lall year101
Iron, dissolved [as Fe]daily maximum≤ 4 mg/Lall year101
Manganese, total [as Mn]monthly average≤ 2 mg/Lall year101
Manganese, total [as Mn]daily maximum≤ 4 mg/Lall year101
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year101
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year101
Mercury, total [as Hg]semi-annual averagereport only (ng/L)all year101
Mercury, total [as Hg]daily maximumreport only (ng/L)all year101
pHinstantaneous maximumreport only (SU)all year106
Solids, total suspendeddaily maximumreport only (mg/L)all year106
Oil & Greasedaily maximumreport only (mg/L)all year106
Nitrogen, total [as N]daily maximumreport only (mg/L)all year106
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year106
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)all year106
Iron, total [as Fe]daily maximumreport only (mg/L)all year106
Manganese, total [as Mn]daily maximumreport only (mg/L)all year106
Aluminum, total [as Al]daily maximumreport only (mg/L)all year106
Iron [total]annual totalreport only (lb)all year106
Iron [total]semi-annual totalreport only (lb)all year106
Manganese [total]annual totalreport only (lb)all year106
Manganese [total]semi-annual totalreport only (lb)all year106
Aluminum [total]semi-annual totalreport only (lb)all year106
Aluminum [total]annual totalreport only (lb)all year106
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year106
Flow, totalsemi-annual totalreport only (Mgal)all year106
Flow, totalannual totalreport only (Mgal)all year106
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year201
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year201
pHinstantaneous minimum≥ 6 SUall year213
pHinstantaneous maximum≤ 9 SUall year213
Solids, total suspendedmonthly average≤ 30 mg/Lall year213
Solids, total suspendeddaily maximum≤ 60 mg/Lall year213
Oil & Greasedaily maximumreport only (mg/L)all year213
Iron, total [as Fe]monthly averagereport only (mg/L)all year213
Iron, total [as Fe]daily maximumreport only (mg/L)all year213
Manganese, total [as Mn]monthly averagereport only (mg/L)all year213
Manganese, total [as Mn]daily maximumreport only (mg/L)all year213
Aluminum, total [as Al]monthly averagereport only (mg/L)all year213
Aluminum, total [as Al]daily maximumreport only (mg/L)all year213
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year213
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year213
pHinstantaneous maximumreport only (SU)all year406
Solids, total suspendeddaily maximumreport only (mg/L)all year406
Oil & Greasedaily maximumreport only (mg/L)all year406
Nitrogen, total [as N]daily maximumreport only (mg/L)all year406
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year406
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)all year406
Iron, total [as Fe]daily maximumreport only (mg/L)all year406
Manganese, total [as Mn]daily maximumreport only (mg/L)all year406
Aluminum, total [as Al]daily maximumreport only (mg/L)all year406
Iron [total]semi-annual totalreport only (lb)all year406
Iron [total]annual totalreport only (lb)all year406
Manganese [total]semi-annual totalreport only (lb)all year406
Manganese [total]annual totalreport only (lb)all year406
Aluminum [total]semi-annual totalreport only (lb)all year406
Aluminum [total]annual totalreport only (lb)all year406
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year406
Flow, totalsemi-annual totalreport only (Mgal)all year406
Flow, totalannual totalreport only (Mgal)all year406
pHinstantaneous minimum≥ 6 SUall year613
pHinstantaneous maximum≤ 9 SUall year613
Solids, total suspendedmonthly average≤ 30 mg/Lall year613
Solids, total suspendeddaily maximum≤ 60 mg/Lall year613
Oil & Greasedaily maximumreport only (mg/L)all year613
Iron, total [as Fe]monthly averagereport only (mg/L)all year613
Iron, total [as Fe]daily maximumreport only (mg/L)all year613
Manganese, total [as Mn]monthly averagereport only (mg/L)all year613
Manganese, total [as Mn]daily maximumreport only (mg/L)all year613
Aluminum, total [as Al]monthly averagereport only (mg/L)all year613
Aluminum, total [as Al]daily maximumreport only (mg/L)all year613
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year613
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year613
pHinstantaneous minimum≥ 6 SUall year813
pHinstantaneous maximum≤ 9 SUall year813
Solids, total suspendedmonthly average≤ 30 mg/Lall year813
Solids, total suspendeddaily maximum≤ 60 mg/Lall year813
Oil & Greasedaily maximumreport only (mg/L)all year813
Iron, total [as Fe]monthly averagereport only (mg/L)all year813
Iron, total [as Fe]daily maximumreport only (mg/L)all year813
Manganese, total [as Mn]monthly averagereport only (mg/L)all year813
Manganese, total [as Mn]daily maximumreport only (mg/L)all year813
Aluminum, total [as Al]monthly averagereport only (mg/L)all year813
Aluminum, total [as Al]daily maximumreport only (mg/L)all year813
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year813
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year813

New limits from Dec 1, 2026

ParameterNew limitNew or tighterMedian, last 12 months× new limit
Thallium, total [as Tl], daily maximum outfall 0010.0033 mg/Lnew0.0011 mg/L (9 values, 1 below detection)0.333×
Thallium, total [as Tl], monthly average outfall 0010.0021 mg/Lnew0.00065 mg/L (9 values, 1 below detection)0.31×
Aluminum [total], annual total outfall 0274045 lbnew——
Aluminum, total [as Al], daily maximum outfall 0270.75 mg/Lnew——
Aluminum, total [as Al], monthly average outfall 0270.75 mg/Lnew——
Arsenic, total [as As], daily maximum outfall 0270.005 mg/Lnew——
Boron, total [as B], daily maximum outfall 027339 mg/Lnew——
Boron, total [as B], monthly average outfall 027217 mg/Lnew——
Bromide [as Br], daily maximum outfall 0270.2 mg/Lnew——
Cyanide, free available, daily maximum outfall 0270.92 mg/Lnew——
Cyanide, free available, monthly average outfall 0270.59 mg/Lnew——
Iron [total], annual total outfall 0278091 lbnew——
Iron, total [as Fe], daily maximum outfall 0273 mg/Lnew——
Iron, total [as Fe], monthly average outfall 0271.5 mg/Lnew——
Manganese [total], annual total outfall 0275395 lbnew——
Manganese, total [as Mn], daily maximum outfall 0272 mg/Lnew——
Manganese, total [as Mn], monthly average outfall 0271 mg/Lnew——
Mercury, total [as Hg], daily maximum outfall 02723 ng/Lnew——
Mercury, total [as Hg], monthly average outfall 02710 ng/Lnew——
Nitrite + Nitrate total [as N], daily maximum outfall 0272 mg/Lnew——
Nitrite + Nitrate total [as N], monthly average outfall 0271.2 mg/Lnew——
Selenium, total [as Se], daily maximum outfall 0270.01 mg/Ltighter——
Solids, total dissolved, daily maximum outfall 027306 mg/Lnew——
Solids, total dissolved, monthly average outfall 027149 mg/Lnew——

How strict are these limits?

Cited limits by parameter: Pennsylvania's rules and the federal ones.

Same industry: the 63 Electric Services permits in Pennsylvania.

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Your permit document is the final word. As JSON: /api/v1/permits/PA0005037 · MCP: https://passage-data.com/mcp