New Covert Generating Company, LLC

NPDES permit MI0056138 · Minor 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

1values over a limit
10required values missing, on 10 form(s)
0of 48 forms filed late

Last period with anything received: 2026-08-31. Most often over: Thermal Discharge (1).

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 (56)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitMO AVG report only all year
001Temperature, water deg. fahrenheitDAILY MX report only all year
001Temperature, water deg. fahrenheitMO AVG report only all year
001Temperature, water deg. fahrenheitDAILY MX report only all year
001Thermal DischargeDAILY MX <= 11.5 MBTU/hr all year
001Oxygen, dissolved [DO]DAILY MN >= 4 mg/L 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 suspendedDAILY MX <= 100 mg/L all year
001Solids, total suspendedDAILY MX <= 100 mg/L all year
001Solids, total suspendedMO AVG <= 41 lb/d all year
001Solids, total suspendedMO AVG <= 11 lb/d all year
001Solids, total suspendedDAILY MX <= 140 lb/d all year
001Solids, total suspendedDAILY MX <= 37 lb/d 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 & GreaseMO AVG <= 21 lb/d all year
001Oil & GreaseMO AVG <= 5.5 lb/d all year
001Oil & GreaseDAILY MX <= 28 lb/d all year
001Oil & GreaseDAILY MX <= 7.3 lb/d all year
001Phosphorus, total [as P]MO AVG <= 1 mg/L all year
001Phosphorus, total [as P]DAILY MX report only all year
001Phosphorus, total [as P]MO AVG <= 15 lb/d all year
001Phosphorus, total [as P]DAILY MX report only all year
001Arsenic, total [as As]MO AVG <= 100 ug/L all year
001Arsenic, total [as As]DAILY MX <= 680 ug/L all year
001Arsenic, total [as As]MO AVG <= 1.5 lb/d all year
001Arsenic, total [as As]DAILY MX <= 9.9 lb/d all year
001Copper, total [as Cu]MO AVG report only all year
001Copper, total [as Cu]DAILY MX <= 59 ug/L all year
001Copper, total [as Cu]MO AVG report only all year
001Copper, total [as Cu]DAILY MX <= .86 lb/d 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 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 all year
001Mercury, total [as Hg]DAILY MX report only all year
001Mercury, total [as Hg]MO AVG report only all year
001Mercury, total [as Hg]DAILY MX report only all year
001Mercury, total [as Hg]1D <= 10 ng/L all year
001Mercury, total [as Hg]1D <= .00015 lb/d all year
001Outfall observation,visual, y/n responseVALUE report only all year
002Filter backwash discharges per dayMX MO AV report only all year
002Filter backwash discharges per dayDAILY MX report only all year
002Backwash cycles, total number ofDAILY 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