HOMER CITY GENERATION LP

NPDES permit PA0005037 · Major NON-POTW · effective, expires 2026-12-31 · EPA's file as of 2026-09-19

Check this month's numbers before you file
Watch this permit — $79 a month. Every Monday, from EPA's newest files: the next report due and when, whether EPA's file holds your last one, any change to this permit's limits or status, and the renewal date.

EPA's record, 2025-09-01 to 2026-08-31

0values over a limit
0required values missing, on 0 form(s)
0of 183 forms filed late

Last period with anything received: 2026-06-30.

Reporting

Reports are due about 28 days after each monitoring period ends (the most common figure among PA permits in EPA's filings — check your permit).

Limits in force (370)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitDAILY MX <= 110 deg F Jan, Feb, Mar, Apr, May, Jun, Aug, Sep, Oct, Nov, Dec
001Temperature, water deg. fahrenheitDAILY MX <= 85.9 deg F Jul
001pHINST MIN >= 6 SU all year
001pHINST MAX <= 9 SU all year
001Solids, total suspendedMO AVG <= 15 mg/L all year
001Solids, total suspendedDAILY MX <= 50 mg/L all year
001Oil & GreaseMO AVG <= 7.5 mg/L all year
001Oil & GreaseDAILY MX <= 10 mg/L all year
001Chromium, total [as Cr]ANNL AVG <= .2 mg/L all year
001Chromium, total [as Cr]DAILY MX <= .2 mg/L all year
001Iron, total [as Fe]MO AVG <= 1.5 mg/L all year
001Iron, total [as Fe]DAILY MX <= 3 mg/L all year
001Manganese, total [as Mn]MO AVG <= 1 mg/L all year
001Manganese, total [as Mn]DAILY MX <= 2 mg/L all year
001Thallium, total [as Tl]MO AVG report only all year
001Thallium, total [as Tl]DAILY MX report only all year
001Zinc, total [as Zn]ANNL AVG <= 1 mg/L all year
001Zinc, total [as Zn]DAILY MX <= 1 mg/L all year
001Aluminum, total [as Al]MO AVG <= .75 mg/L all year
001Aluminum, total [as Al]DAILY MX <= .75 mg/L all year
001Iron [total]ANNL TOT <= 19739 lb all year
001Iron [total]MO TOTAL report only all year
001Manganese [total]ANNL TOT <= 13159 lb all year
001Manganese [total]MO TOTAL report only all year
001Aluminum [total]MO TOTAL report only all year
001Aluminum [total]ANNL TOT <= 9869 lb all year
001Flow, in conduit or thru treatment plantMO AVG report only Jul
001Flow, in conduit or thru treatment plantMO AVG report only Jan, Feb, Mar, Apr, May, Jun, Aug, Sep, Oct, Nov, Dec
001Flow, in conduit or thru treatment plantDAILY MX <= 2.736 MGD Jul
001Flow, in conduit or thru treatment plantDAILY MX <= 4.32 MGD Jan, Feb, Mar, Apr, May, Jun, Aug, Sep, Oct, Nov, Dec
001Chlorine, free availableANNL AVG <= .2 mg/L all year
001Chlorine, free availableDAILY MX <= .5 mg/L all year
002pHINST MIN report only all year
002pHINST MAX report only all year
002Iron, total [as Fe]MO AVG report only all year
002Iron, total [as Fe]DAILY MX report only all year
002Manganese, total [as Mn]MO AVG report only all year
002Manganese, total [as Mn]DAILY MX report only all year
002Aluminum, total [as Al]MO AVG report only all year
002Aluminum, total [as Al]DAILY MX report only all year
002Flow, in conduit or thru treatment plantMO AVG report only all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
006Precipitation, total defined period/inMO TOTAL report only all year
006Precipitation, total defined period/inANNL TOT report only all year
006Iron [total]ANNL TOT <= 12653 lb all year
006Manganese [total]ANNL TOT <= 8438 lb all year
006Aluminum [total]ANNL TOT <= 6326 lb all year
006Flow, totalANNL TOT report only all year
013pHINST MIN >= 6 SU all year
013pHINST MAX <= 9 SU all year
013Solids, total suspendedMO AVG report only all year
013Solids, total suspendedDAILY MX report only all year
013Iron, total [as Fe]MO AVG report only all year
013Iron, total [as Fe]DAILY MX report only all year
013Manganese, total [as Mn]MO AVG report only all year
013Manganese, total [as Mn]DAILY MX report only all year
013Aluminum, total [as Al]MO AVG report only all year
013Aluminum, total [as Al]DAILY MX report only all year
013Iron [total]MO TOTAL report only all year
013Iron [total]ANNL TOT <= 4235 lb all year
013Manganese [total]MO TOTAL report only all year
013Manganese [total]ANNL TOT <= 2823 lb all year
013Aluminum [total]MO TOTAL report only all year
013Aluminum [total]ANNL TOT <= 2117 lb all year
013Flow, in conduit or thru treatment plantMO AVG report only all year
013Flow, in conduit or thru treatment plantDAILY MX report only all year
013Flow, totalMO TOTAL report only all year
013Flow, totalANNL TOT report only all year
013Solids, total dissolvedMO AVG report only all year
013Solids, total dissolvedDAILY MX report only all year
017pHINST MAX report only all year
017Solids, total suspendedDAILY MX report only all year
017Oil & GreaseDAILY MX report only all year
017Nitrogen, total [as N]DAILY MX report only all year
017Iron, total [as Fe]DAILY MX report only all year
017Manganese, total [as Mn]DAILY MX report only all year
017Aluminum, total [as Al]DAILY MX report only all year
017Iron [total]ANNL TOT report only all year
017Iron [total]ST report only all year
017Manganese [total]ST report only all year
017Manganese [total]ANNL TOT report only all year
017Aluminum [total]ANNL TOT report only all year
017Aluminum [total]ST report only all year
017Flow, in conduit or thru treatment plantDAILY MX report only all year
017Flow, totalANNL TOT report only all year
017Flow, totalST report only all year
018pHINST MIN >= 6 SU all year
018pHINST MAX <= 9 SU all year
018Solids, total suspendedMO AVG <= 30 mg/L all year
018Solids, total suspendedDAILY MX <= 70 mg/L all year
018Oil & GreaseMO AVG <= 15 mg/L all year
018Oil & GreaseDAILY MX <= 20 mg/L all year
018Iron, total [as Fe]MO AVG <= 1.5 mg/L all year
018Iron, total [as Fe]DAILY MX <= 3 mg/L all year
018Manganese, total [as Mn]MO AVG <= 1 mg/L all year
018Manganese, total [as Mn]DAILY MX <= 2 mg/L all year
018Thallium, total [as Tl]MO AVG <= .002 mg/L all year
018Thallium, total [as Tl]DAILY MX <= .002 mg/L all year
018Aluminum, total [as Al]MO AVG <= .75 mg/L all year
018Aluminum, total [as Al]DAILY MX <= .75 mg/L all year
018Iron [total]ANNL TOT <= 1828 lb all year
018Iron [total]MO TOTAL report only all year
018Manganese [total]ANNL TOT <= 1218 lb all year
018Manganese [total]MO TOTAL report only all year
018Aluminum [total]ANNL TOT <= 914 lb all year
018Aluminum [total]MO TOTAL report only all year
018Flow, in conduit or thru treatment plantMO AVG report only all year
018Flow, in conduit or thru treatment plantDAILY MX report only all year
019pHINST MAX report only all year
019Solids, total suspendedDAILY MX report only all year
019Oil & GreaseDAILY MX report only all year
019Iron, total [as Fe]DAILY MX report only all year
019Manganese, total [as Mn]DAILY MX report only all year
019Aluminum, total [as Al]DAILY MX report only all year
019Iron [total]ANNL TOT report only all year
019Iron [total]ST report only all year
019Manganese [total]ANNL TOT report only all year
019Manganese [total]ST report only all year
019Aluminum [total]ANNL TOT report only all year
019Aluminum [total]ST report only all year
019Flow, in conduit or thru treatment plantDAILY MX report only all year
019Flow, totalANNL TOT report only all year
019Flow, totalST report only all year
021pHINST MAX report only all year
021Solids, total suspendedDAILY MX report only all year
021Oil & GreaseDAILY MX report only all year
021Nitrogen, total [as N]DAILY MX report only all year
021Iron, total [as Fe]DAILY MX report only all year
021Manganese, total [as Mn]DAILY MX report only all year
021Aluminum, total [as Al]DAILY MX report only all year
021Iron [total]ST report only all year
021Iron [total]ANNL TOT <= 383 lb all year
021Manganese [total]ST report only all year
021Manganese [total]ANNL TOT <= 256 lb all year
021Aluminum [total]ST report only all year
021Aluminum [total]ANNL TOT <= 192 lb all year
021Flow, in conduit or thru treatment plantDAILY MX report only all year
021Flow, totalST report only all year
021Flow, totalANNL TOT report only all year
022pHINST MAX report only all year
022Solids, total suspendedDAILY MX report only all year
022Oil & GreaseDAILY MX report only all year
022Nitrogen, total [as N]DAILY MX report only all year
022Iron, total [as Fe]DAILY MX report only all year
022Manganese, total [as Mn]DAILY MX report only all year
022Aluminum, total [as Al]DAILY MX report only all year
022Iron [total]ANNL TOT report only all year
022Iron [total]ST report only all year
022Manganese [total]ANNL TOT report only all year
022Manganese [total]ST report only all year
022Aluminum [total]ANNL TOT report only all year
022Aluminum [total]ST report only all year
022Flow, in conduit or thru treatment plantDAILY MX report only all year
022Flow, totalST report only all year
022Flow, totalANNL TOT report only all year
023pHINST MIN >= 6 SU all year
023pHINST MAX <= 9 SU all year
023Solids, total suspendedMO AVG <= 35 mg/L all year
023Solids, total suspendedDAILY MX <= 70 mg/L all year
023Oil & GreaseDAILY MX report only all year
023Iron, total [as Fe]MO AVG <= 1.5 mg/L all year
023Iron, total [as Fe]DAILY MX <= 3 mg/L all year
023Manganese, total [as Mn]MO AVG report only all year
023Manganese, total [as Mn]DAILY MX report only all year
023Aluminum, total [as Al]MO AVG report only all year
023Aluminum, total [as Al]DAILY MX report only all year
023Iron [total]ANNL TOT report only all year
023Iron [total]MO TOTAL report only all year
023Manganese [total]ANNL TOT report only all year
023Manganese [total]MO TOTAL report only all year
023Aluminum [total]ANNL TOT report only all year
023Aluminum [total]MO TOTAL report only all year
023Flow, in conduit or thru treatment plantMO AVG report only all year
023Flow, in conduit or thru treatment plantDAILY MX report only all year
023Flow, totalANNL TOT report only all year
023Flow, totalMO TOTAL report only all year
025pHINST MAX report only all year
025Solids, total suspendedDAILY MX report only all year
025Oil & GreaseDAILY MX report only all year
025Nitrogen, total [as N]DAILY MX report only all year
025Iron, total [as Fe]DAILY MX report only all year
025Manganese, total [as Mn]DAILY MX report only all year
025Aluminum, total [as Al]DAILY MX report only all year
025Iron [total]ST report only all year
025Iron [total]ANNL TOT report only all year
025Manganese [total]ST report only all year
025Manganese [total]ANNL TOT report only all year
025Aluminum [total]ST report only all year
025Aluminum [total]ANNL TOT report only all year
025Flow, in conduit or thru treatment plantDAILY MX report only all year
025Flow, totalST report only all year
025Flow, totalANNL TOT report only all year
027Temperature, water deg. fahrenheitINST MAX <= 110 deg F all year
027pHINST MIN >= 6 SU all year
027pHINST MAX <= 9 SU all year
027Solids, total suspendedMO AVG <= 30 mg/L all year
027Solids, total suspendedDAILY MX <= 100 mg/L all year
027Oil & GreaseMO AVG <= 15 mg/L all year
027Oil & GreaseDAILY MX <= 20 mg/L all year
027Nitrite + Nitrate total [as N]MO AVG report only all year
027Nitrite + Nitrate total [as N]DAILY MX report only all year
027Arsenic, total [as As]MO AVG report only all year
027Arsenic, total [as As]DAILY MX report only all year
027Beryllium, total [as Be]MO AVG <= .8 mg/L all year
027Beryllium, total [as Be]DAILY MX <= 1.6 mg/L all year
027Boron, total [as B]MO AVG report only all year
027Boron, total [as B]DAILY MX report only all year
027Iron, total [as Fe]MO AVG report only all year
027Iron, total [as Fe]DAILY MX report only all year
027Lead, total [as Pb]MO AVG <= .1 mg/L all year
027Lead, total [as Pb]DAILY MX <= .2 mg/L all year
027Manganese, total [as Mn]MO AVG report only all year
027Manganese, total [as Mn]DAILY MX report only all year
027Aluminum, total [as Al]MO AVG report only all year
027Aluminum, total [as Al]DAILY MX report only all year
027Selenium, total [as Se]MO AVG <= .8 mg/L all year
027Selenium, total [as Se]DAILY MX <= 1.6 mg/L all year
027Iron [total]ANNL TOT report only all year
027Iron [total]MO TOTAL report only all year
027Manganese [total]ANNL TOT report only all year
027Manganese [total]MO TOTAL report only all year
027Aluminum [total]ANNL TOT report only all year
027Aluminum [total]MO TOTAL report only all year
027Methylene blue active substancesMO AVG report only all year
027Methylene blue active substancesDAILY MX report only all year
027Flow, in conduit or thru treatment plantMO AVG report only all year
027Flow, in conduit or thru treatment plantDAILY MX report only all year
027Cyanide, free availableMO AVG report only all year
027Cyanide, free availableDAILY MX report only all year
027Solids, total dissolvedMO AVG report only all year
027Solids, total dissolvedDAILY MX report only all year
027Bromide [as Br]MO AVG report only all year
027Bromide [as Br]DAILY MX report only all year
027Mercury, total [as Hg]MO AVG report only all year
027Mercury, total [as Hg]DAILY MX report only all year
027BOD, carbonaceous [5 day, 20 C]MO AVG <= 25 mg/L all year
027BOD, carbonaceous [5 day, 20 C]DAILY MX <= 50 mg/L all year
027Osmotic pressure, total, unf whl wtrMO AVG report only all year
027Osmotic pressure, total, unf whl wtrDAILY MX report only all year
030pHINST MIN >= 6 SU all year
030pHINST MAX <= 9 SU all year
030Solids, total suspendedMO AVG <= 30 mg/L all year
030Solids, total suspendedDAILY MX <= 60 mg/L all year
030Oil & GreaseDAILY MX report only all year
030Iron, total [as Fe]MO AVG <= 1.5 mg/L all year
030Iron, total [as Fe]DAILY MX <= 3 mg/L all year
030Manganese, total [as Mn]MO AVG <= 1 mg/L all year
030Manganese, total [as Mn]DAILY MX <= 2 mg/L all year
030Aluminum, total [as Al]MO AVG <= .75 mg/L all year
030Aluminum, total [as Al]DAILY MX <= .75 mg/L all year
030Iron [total]ANNL TOT report only all year
030Iron [total]MO TOTAL report only all year
030Manganese [total]ANNL TOT report only all year
030Manganese [total]MO TOTAL report only all year
030Aluminum [total]ANNL TOT report only all year
030Aluminum [total]MO TOTAL report only all year
030Flow, in conduit or thru treatment plantMO AVG report only all year
030Flow, in conduit or thru treatment plantDAILY MX report only all year
032pHINST MIN >= 6 SU all year
032pHINST MAX <= 9 SU all year
032Solids, total suspendedMO AVG <= 30 mg/L all year
032Solids, total suspendedDAILY MX <= 60 mg/L all year
032Oil & GreaseDAILY MX report only all year
032Iron, total [as Fe]MO AVG <= 1.5 mg/L all year
032Iron, total [as Fe]DAILY MX <= 3 mg/L all year
032Manganese, total [as Mn]MO AVG <= 1 mg/L all year
032Manganese, total [as Mn]DAILY MX <= 2 mg/L all year
032Aluminum, total [as Al]MO AVG <= .75 mg/L all year
032Aluminum, total [as Al]DAILY MX <= .75 mg/L all year
032Iron [total]MO TOTAL report only all year
032Iron [total]ANNL TOT report only all year
032Manganese [total]MO TOTAL report only all year
032Manganese [total]ANNL TOT report only all year
032Aluminum [total]MO TOTAL report only all year
032Aluminum [total]ANNL TOT report only all year
032Flow, in conduit or thru treatment plantMO AVG report only all year
032Flow, in conduit or thru treatment plantDAILY MX report only all year
101pHINST MIN >= 6 SU all year
101pHINST MAX <= 9 SU all year
101Solids, total suspendedMO AVG <= 30 mg/L all year
101Solids, total suspendedDAILY MX <= 100 mg/L all year
101Oil & GreaseMO AVG <= 15 mg/L all year
101Oil & GreaseDAILY MX <= 20 mg/L all year
101Arsenic, total [as As]SEMI AVG report only all year
101Arsenic, total [as As]DAILY MX report only all year
101Iron, dissolved [as Fe]MO AVG <= 2 mg/L all year
101Iron, dissolved [as Fe]DAILY MX <= 4 mg/L all year
101Manganese, total [as Mn]MO AVG <= 2 mg/L all year
101Manganese, total [as Mn]DAILY MX <= 4 mg/L all year
101Flow, in conduit or thru treatment plantMO AVG report only all year
101Flow, in conduit or thru treatment plantDAILY MX report only all year
101Mercury, total [as Hg]SEMI AVG report only all year
101Mercury, total [as Hg]DAILY MX report only all year
106pHINST MAX report only all year
106Solids, total suspendedDAILY MX report only all year
106Oil & GreaseDAILY MX report only all year
106Nitrogen, total [as N]DAILY MX report only all year
106Nitrogen, ammonia total [as N]DAILY MX report only all year
106Nitrogen, Kjeldahl, total [as N]DAILY MX report only all year
106Iron, total [as Fe]DAILY MX report only all year
106Manganese, total [as Mn]DAILY MX report only all year
106Aluminum, total [as Al]DAILY MX report only all year
106Iron [total]ANNL TOT report only all year
106Iron [total]ST report only all year
106Manganese [total]ANNL TOT report only all year
106Manganese [total]ST report only all year
106Aluminum [total]ST report only all year
106Aluminum [total]ANNL TOT report only all year
106Flow, in conduit or thru treatment plantDAILY MX report only all year
106Flow, totalST report only all year
106Flow, totalANNL TOT report only all year
201Flow, in conduit or thru treatment plantMO AVG report only all year
201Flow, in conduit or thru treatment plantDAILY MX report only all year
213pHINST MIN >= 6 SU all year
213pHINST MAX <= 9 SU all year
213Solids, total suspendedMO AVG <= 30 mg/L all year
213Solids, total suspendedDAILY MX <= 60 mg/L all year
213Oil & GreaseDAILY MX report only all year
213Iron, total [as Fe]MO AVG report only all year
213Iron, total [as Fe]DAILY MX report only all year
213Manganese, total [as Mn]MO AVG report only all year
213Manganese, total [as Mn]DAILY MX report only all year
213Aluminum, total [as Al]MO AVG report only all year
213Aluminum, total [as Al]DAILY MX report only all year
213Flow, in conduit or thru treatment plantMO AVG report only all year
213Flow, in conduit or thru treatment plantDAILY MX report only all year
406pHINST MAX report only all year
406Solids, total suspendedDAILY MX report only all year
406Oil & GreaseDAILY MX report only all year
406Nitrogen, total [as N]DAILY MX report only all year
406Nitrogen, ammonia total [as N]DAILY MX report only all year
406Nitrogen, Kjeldahl, total [as N]DAILY MX report only all year
406Iron, total [as Fe]DAILY MX report only all year
406Manganese, total [as Mn]DAILY MX report only all year
406Aluminum, total [as Al]DAILY MX report only all year
406Iron [total]ST report only all year
406Iron [total]ANNL TOT report only all year
406Manganese [total]ST report only all year
406Manganese [total]ANNL TOT report only all year
406Aluminum [total]ST report only all year
406Aluminum [total]ANNL TOT report only all year
406Flow, in conduit or thru treatment plantDAILY MX report only all year
406Flow, totalST report only all year
406Flow, totalANNL TOT report only all year
613pHINST MIN >= 6 SU all year
613pHINST MAX <= 9 SU all year
613Solids, total suspendedMO AVG <= 30 mg/L all year
613Solids, total suspendedDAILY MX <= 60 mg/L all year
613Oil & GreaseDAILY MX report only all year
613Iron, total [as Fe]MO AVG report only all year
613Iron, total [as Fe]DAILY MX report only all year
613Manganese, total [as Mn]MO AVG report only all year
613Manganese, total [as Mn]DAILY MX report only all year
613Aluminum, total [as Al]MO AVG report only all year
613Aluminum, total [as Al]DAILY MX report only all year
613Flow, in conduit or thru treatment plantMO AVG report only all year
613Flow, in conduit or thru treatment plantDAILY MX report only all year
813pHINST MIN >= 6 SU all year
813pHINST MAX <= 9 SU all year
813Solids, total suspendedMO AVG <= 30 mg/L all year
813Solids, total suspendedDAILY MX <= 60 mg/L all year
813Oil & GreaseDAILY MX report only all year
813Iron, total [as Fe]MO AVG report only all year
813Iron, total [as Fe]DAILY MX report only all year
813Manganese, total [as Mn]MO AVG report only all year
813Manganese, total [as Mn]DAILY MX report only all year
813Aluminum, total [as Al]MO AVG report only all year
813Aluminum, total [as Al]DAILY MX report only all year
813Flow, in conduit or thru treatment plantMO AVG report only all year
813Flow, in conduit or thru treatment plantDAILY MX report only all year

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