GENON POWER MIDWEST LP

NPDES permit PA0005061 · Major NON-POTW · expired, expires 2018-06-30 · 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.

This permit expired on 2018-06-30 and is expired: its last limits keep applying until a new permit is issued, and EPA still expects the reports.

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

0values over a limit
0required values missing, on 0 form(s)
0of 94 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 (70)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitMO AVG report only all year
001Temperature, water deg. fahrenheitDAILY MX report only all year
001Thermal DischargeDAILY MX <= 38451 MBTU/d Sep
001Thermal DischargeDAILY MX <= 39078 MBTU/d Jun
001Thermal DischargeDAILY MX <= 41959 MBTU/d Apr
001Thermal DischargeDAILY MX <= 48413 MBTU/d Jun
001Thermal DischargeDAILY MX <= 46465 MBTU/d Apr
001Thermal DischargeDAILY MX <= 39749 MBTU/d Aug
001Thermal DischargeDAILY MX <= 43866 MBTU/d Oct
001Thermal DischargeDAILY MX <= 38334 MBTU/d May
001Thermal DischargeDAILY MX <= 35490 MBTU/d Aug
001Thermal DischargeDAILY MX <= 20610 MBTU/d May
001Thermal DischargeDAILY MX <= 42367 MBTU/d Dec
001Thermal DischargeDAILY MX <= 44114 MBTU/d Nov
001Thermal DischargeDAILY MX <= 49096 MBTU/d Jan
001Thermal DischargeDAILY MX <= 41096 MBTU/d Mar
001Thermal DischargeDAILY MX <= 43303 MBTU/d Jul
001Thermal DischargeDAILY MX <= 46516 MBTU/d Feb
001Thermal DischargeDAILY MX <= 44114 MBTU/d Nov
001Thermal DischargeDAILY MX <= 41778 MBTU/d Oct
001Thermal DischargeDAILY MX <= 40548 MBTU/d Sep
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Copper, total [as Cu]DAILY MX report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Chlorine, total residualINST MAX <= .2 mg/L all year
003pHMINIMUM >= 6 SU all year
003pHMAXIMUM <= 9 SU all year
003Solids, total suspendedMO AVG <= 30 mg/L all year
003Solids, total suspendedDAILY MX <= 100 mg/L all year
003Oil & GreaseMO AVG <= 15 mg/L all year
003Oil & GreaseDAILY MX <= 20 mg/L all year
003Flow, in conduit or thru treatment plantMO AVG report only all year
003Flow, in conduit or thru treatment plantDAILY MX report only all year
004pHMINIMUM >= 6 SU all year
004pHMAXIMUM <= 9 SU all year
004Solids, total suspendedMO AVG <= 30 mg/L all year
004Solids, total suspendedDAILY MX <= 100 mg/L all year
004Oil & GreaseMO AVG <= 15 mg/L all year
004Oil & GreaseDAILY MX <= 20 mg/L all year
004Flow, in conduit or thru treatment plantMO AVG report only all year
004Flow, in conduit or thru treatment plantDAILY MX report only all year
004Bromide [as Br]AVERAGE report only all year
004Bromide [as Br]AVERAGE report only all year
007pHMINIMUM >= 6 SU all year
007pHMAXIMUM <= 9 SU all year
007Solids, total suspendedMO AVG <= 30 mg/L all year
007Solids, total suspendedDAILY MX <= 100 mg/L all year
007Oil & GreaseMO AVG <= 15 mg/L all year
007Oil & GreaseDAILY MX <= 20 mg/L all year
007Flow, in conduit or thru treatment plantMO AVG report only all year
007Flow, in conduit or thru treatment plantDAILY MX report only all year
008pHMINIMUM >= 6 SU all year
008pHMAXIMUM <= 9 SU all year
008Solids, total suspendedINST MAX <= 50 mg/L all year
008Flow, in conduit or thru treatment plantMO AVG report only all year
008Flow, in conduit or thru treatment plantDAILY MX report only all year
009pHMINIMUM >= 6 SU all year
009pHMAXIMUM <= 9 SU all year
009Solids, total suspendedMO AVG <= 30 mg/L all year
009Solids, total suspendedDAILY MX <= 100 mg/L all year
009Flow, in conduit or thru treatment plantMO AVG report only all year
009Flow, in conduit or thru treatment plantDAILY MX report only 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
101Flow, in conduit or thru treatment plantMO AVG report only all year
101Flow, in conduit or thru treatment plantDAILY MX report only all year

Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states