Indiana Michigan Power Company

NPDES permit MI0005827 · Major NON-POTW · administratively continued, expires 2018-10-01 · 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 2018-10-01 and is administratively continued: 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
20required values missing, on 20 form(s)
0of 88 forms filed late

Last period with anything received: 2026-07-31.

Reporting

Reports are due about 21 days after each monitoring period ends (the most common figure among MI permits in EPA's filings — check your permit).

Limits in force (84)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitDAILY MX report only all year
001Temperature, water deg. fahrenheitDAILY MX report only all year
001Thermal DischargeDAILY MX report only all year
001Thermal DischargeDAILY MX <= 17300 MBTU/hr all year
001pHDAILY MN >= 6.5 SU all year
001pHDAILY MX <= 9 SU all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedDAILY MX <= 100 mg/L all year
001Solids, total suspendedDAILY MX <= 100 mg/L all year
001Solids, total suspendedDAILY MX <= 100 mg/L all year
001Solids, total suspendedDAILY MX <= 100 mg/L all year
001Solids, total suspendedDAILY MX <= 100 mg/L all year
001Solids, total suspendedDAILY MX <= 100 mg/L all year
001Oil & GreaseMO AVG <= 15 mg/L all year
001Oil & GreaseMO AVG <= 15 mg/L all year
001Oil & GreaseMO AVG <= 15 mg/L all year
001Oil & GreaseMO AVG <= 15 mg/L all year
001Oil & GreaseMO AVG <= 15 mg/L all year
001Oil & GreaseMO AVG <= 15 mg/L all year
001Oil & GreaseDAILY MX <= 20 mg/L all year
001Oil & GreaseDAILY MX <= 20 mg/L all year
001Oil & GreaseDAILY MX <= 20 mg/L all year
001Oil & GreaseDAILY MX <= 20 mg/L all year
001Oil & GreaseDAILY MX <= 20 mg/L all year
001Oil & GreaseDAILY MX <= 20 mg/L all year
001Copper, total [as Cu]MO AVG <= 1 mg/L all year
001Copper, total [as Cu]DAILY MX <= 1 mg/L all year
001Iron, total [as Fe]MO AVG <= 1 mg/L all year
001Iron, total [as Fe]DAILY MX <= 1 mg/L all year
001Total residual ooxidant-discharge timeDAILY MX report only all year
001Oxidants, total residualDAILY MX <= 38 ug/L all year
001Oxidants, total residualDAILY MX <= 200 ug/L all year
001Oxidants, total residualDAILY MX <= 50 ug/L all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantMO AVG 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
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Mercury, total [as Hg]MO AVG report only Jan, Apr, Jul, Oct
001Mercury, total [as Hg]DAILY MX report only Jan, Apr, Jul, Oct
001Mercury, total [as Hg]MO AVG report only Jan, Apr, Jul, Oct
001Mercury, total [as Hg]DAILY MX report only Jan, Apr, Jul, Oct
001Mercury, total [as Hg]MO AVG report only Jan, Apr, Jul, Oct
001Mercury, total [as Hg]DAILY MX report only Jan, Apr, Jul, Oct
001Mercury, total [as Hg]MO AVG report only Jan, Apr, Jul, Oct
001Mercury, total [as Hg]DAILY MX report only Jan, Apr, Jul, Oct
001HydrazineMX MO AV <= 1 ug/L all year
001HydrazineMO AVG <= 3 ug/L all year
001HydrazineMX MO AV <= 13 lb/d all year
001HydrazineMO AVG report only all year
001Outfall observation,visual, y/n responseVALUE report only all year
002Temperature, water deg. fahrenheitDAILY MX report only all year
002Temperature, water deg. fahrenheitDAILY MX report only all year
002Thermal DischargeDAILY MX report only all year
002pHDAILY MN >= 6.5 SU all year
002pHDAILY MX <= 9 SU all year
002Total residual ooxidant-discharge timeDAILY MX report only all year
002Oxidants, total residualDAILY MX <= 38 ug/L all year
002Oxidants, total residualDAILY MX <= 200 ug/L all year
002Oxidants, total residualDAILY MX <= 50 ug/L 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
002Mercury, total [as Hg]MO AVG report only Jan, Apr, Jul, Oct
002Mercury, total [as Hg]DAILY MX report only Jan, Apr, Jul, Oct
002Mercury, total [as Hg]MO AVG report only Jan, Apr, Jul, Oct
002Mercury, total [as Hg]DAILY MX report only Jan, Apr, Jul, Oct
002Mercury, total [as Hg]MX MO AV report only all year
002Mercury, total [as Hg]MX MO AV report only all year
002HydrazineMX MO AV report only all year
002Outfall observation,visual, y/n responseVALUE 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