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Midland Cogeneration Venture

Electric And Other Services Combined, major discharger, Midland, Michigan. NPDES permit MI0042668 expired Oct 1, 2013; its limits still apply. Last 12 months: no values over a limit, 3 of 33 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 21 days after each period: form A monthly (22 values), form B monthly (6 values), form D monthly (6 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 36 reports late

Limits in force (41)

ParameterStatisticLimitMonths
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)Jan, Feb, Mar, Dec
Temperature, water deg. fahrenheitdaily maximum≤ 85 deg FApr, Oct
Temperature, water deg. fahrenheitdaily maximum≤ 90 deg FMay, Sep
Temperature, water deg. fahrenheitdaily maximum≤ 95 deg FJun–Aug
Temperature, water deg. fahrenheitdaily maximum≤ 80 deg FNov
Temperature, water deg. fahrenheitdaily maximum≤ 75 deg FJan, Feb, Mar, Dec
Oxygen, dissolved [DO]daily minimum≥ 5.5 mg/LMay–Sep
Oxygen, dissolved [DO]daily minimum≥ 3.2 mg/LOct, Nov
Oxygen, dissolved [DO]daily minimum≥ 3 mg/LJan, Feb, Mar, Apr, Dec
pHdaily minimum≥ 6.5 SUall year
pHdaily maximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendeddaily maximum≤ 100 mg/Lall year
Solids, total suspendeddaily maximum≤ 100 mg/Lall year
Oil & Greasemonthly average≤ 15 mg/Lall year
Oil & Greasemonthly maximum≤ 15 mg/Lall year
Oil & Greasedaily maximum≤ 20 mg/Lall year
Oil & Greasedaily maximum≤ 20 mg/Lall year
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year
Nitrogen, ammonia total [as N]daily maximumreport only (lb/d)all year
Phosphorus, total [as P]monthly averagereport only (mg/L)all year
Phosphorus, total [as P]daily maximumreport only (mg/L)all year
Phosphorus, total [as P]monthly maximumreport only (lb/d)all year
Phosphorus, total [as P]daily maximumreport only (lb/d)all year
Copper, total [as Cu]daily maximum≤ 30 ug/Lall year
Copper, total [as Cu]daily maximum≤ 37 lb/dall year
Selenium, total [as Se]daily maximumreport only (ug/L)all year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Chlorine, total residualdaily maximum≤ 200 ug/Lall year
Solids, total dissolvedmonthly average≤ 500 mg/Lall year
Solids, total dissolveddaily maximum≤ 750 mg/Lall year
Chlorination durationdaily maximum≤ 160 min/dall year
BOD, carbonaceous [5 day, 20 C]daily maximumreport only (mg/L)all year
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 2200 lb/dall year
Outfall observation,visual, y/n responsevaluereport only (N=0;Y=1)all year

How strict are these limits?

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

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/MI0042668 · MCP: https://passage-data.com/mcp