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New Covert Generating Company, LLC

Electric Services, Covert, Michigan. NPDES permit MI0056138 expired Oct 1, 2018; its limits still apply. Last 12 months: over a limit once (last July 2026), 10 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 21 days after each period: outfall 001 form A monthly (32 values), outfall 001 form B monthly (10 values), outfall 001 form C monthly (10 values), outfall 002 form A monthly (3 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
2 values over a limit, 12 required values missing, 0 of 48 reports late

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

Period endingParameterReportedLimitOver by
July 2026Thermal Discharge, daily maximum11.7≤ 11.5 MBTU/hr2%

Limits in force (56)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)all year001
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year001
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)all year001
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year001
Thermal Dischargedaily maximum≤ 11.5 MBTU/hrall year001
Oxygen, dissolved [DO]daily minimum≥ 4 mg/Lall year001
pHdaily minimum≥ 6.5 SUall year001
pHdaily maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 30 mg/Lall year001
Solids, total suspendedmonthly average≤ 30 mg/Lall year001
Solids, total suspendeddaily maximum≤ 100 mg/Lall year001
Solids, total suspendeddaily maximum≤ 100 mg/Lall year001
Solids, total suspendedmonthly average≤ 41 lb/dall year001
Solids, total suspendedmonthly average≤ 11 lb/dall year001
Solids, total suspendeddaily maximum≤ 140 lb/dall year001
Solids, total suspendeddaily maximum≤ 37 lb/dall year001
Oil & Greasemonthly average≤ 15 mg/Lall year001
Oil & Greasemonthly average≤ 15 mg/Lall year001
Oil & Greasedaily maximum≤ 20 mg/Lall year001
Oil & Greasedaily maximum≤ 20 mg/Lall year001
Oil & Greasemonthly average≤ 21 lb/dall year001
Oil & Greasemonthly average≤ 5.5 lb/dall year001
Oil & Greasedaily maximum≤ 28 lb/dall year001
Oil & Greasedaily maximum≤ 7.3 lb/dall year001
Phosphorus, total [as P]monthly average≤ 1 mg/Lall year001
Phosphorus, total [as P]daily maximumreport only (mg/L)all year001
Phosphorus, total [as P]monthly average≤ 15 lb/dall year001
Phosphorus, total [as P]daily maximumreport only (lb/d)all year001
Arsenic, total [as As]monthly average≤ 100 ug/Lall year001
Arsenic, total [as As]daily maximum≤ 680 ug/Lall year001
Arsenic, total [as As]monthly average≤ 1.5 lb/dall year001
Arsenic, total [as As]daily maximum≤ 9.9 lb/dall year001
Copper, total [as Cu]monthly averagereport only (ug/L)all year001
Copper, total [as Cu]daily maximum≤ 59 ug/Lall year001
Copper, total [as Cu]monthly averagereport only (lb/d)all year001
Copper, total [as Cu]daily maximum≤ .86 lb/dall year001
Total residual ooxidant-discharge timedaily maximumreport only (min/d)all year001
Oxidants, total residualdaily maximum≤ 38 ug/Lall year001
Oxidants, total residualdaily maximum≤ 200 ug/Lall year001
Oxidants, total residualdaily maximum≤ 50 ug/Lall year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Mercury, total [as Hg]monthly averagereport only (ng/L)all year001
Mercury, total [as Hg]daily maximumreport only (ng/L)all year001
Mercury, total [as Hg]monthly averagereport only (lb/d)all year001
Mercury, total [as Hg]daily maximumreport only (lb/d)all year001
Mercury, total [as Hg]12-month average≤ 10 ng/Lall year001
Mercury, total [as Hg]12-month average≤ .00015 lb/dall year001
Outfall observation,visual, y/n responsevaluereport only (N=0;Y=1)all year001
Filter backwash discharges per daymaximum monthly averagereport only (occur/d)all year002
Filter backwash discharges per daydaily maximumreport only (occur/d)all year002
Backwash cycles, total number ofdaily maximumreport only (c)all year002

How strict are these limits?

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

Same industry: the 27 Electric Services permits in Michigan.

Check this month's numbers Email me before each report is due

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/MI0056138 · MCP: https://passage-data.com/mcp