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Michigan Department of Natural Resources

Fish Hatcheries And Preserves, Alanson, Michigan. NPDES permit MI0035726 expired Oct 1, 2026; its limits still apply. Last 12 months: over a limit 2 times (last April 2026), 18 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 21 days after each period: outfall 001 form A monthly (23 values), outfall 001 form B monthly (2 values), outfall 002 form A monthly (14 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
1 value over a limit, 0 required values missing, 0 of 24 reports late

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

Period endingParameterReportedLimitOver by
March 2026Phosphorus, total [as P], monthly average109.2≤ 100 lb/mo9%
April 2026Phosphorus, total [as P], monthly average103.09≤ 100 lb/mo3%

Limits in force (39)

ParameterStatisticLimitMonthsOutfall
pHdaily minimum= 6.5 SUall year001
pHdaily maximum= 9 SUall year001
Solids, total suspendeddaily maximumreport only (mg/L)all year001
Solids, total suspendeddaily maximumreport only (lb/qtr)all year001
Solids, total suspendeddaily maximum≤ 4 mg/Lall year001
Solids, total suspendeddaily maximum≤ 130 lb/qtrall year001
Phosphorus, total [as P]monthly averagereport only (mg/L)all year001
Phosphorus, total [as P]daily maximumreport only (mg/L)all year001
Phosphorus, total [as P]monthly averagereport only (lb/qtr)all year001
Phosphorus, total [as P]daily maximumreport only (lb/qtr)all year001
Phosphorus, total [as P]monthly averagereport only (mg/L)all year001
Phosphorus, total [as P]daily maximumreport only (mg/L)all year001
Phosphorus, total [as P]monthly average≤ 100 lb/moall year001
Phosphorus, total [as P]daily maximumreport only (lb/mo)all year001
Phosphorus, total [as P]12-month average≤ 800 lb/yrall 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 plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Chlorine, total residualdaily maximum= 38 ug/Lall year001
Formaldehydedaily maximum≤ 1600 ug/Lall year001
Formaldehydedaily maximum≤ 1600 ug/Lall year001
Formaldehydedaily maximum≤ 90 lb/qtrall year001
Formaldehydedaily maximum≤ 90 lb/dall year001
Outfall observation,visual, y/n responsevaluereport only (N=0;Y=1)all year001
pHdaily minimum= 6.5 SUall year002
pHdaily maximum= 9 SUall year002
Solids, total suspendeddaily maximumreport only (mg/L)all year002
Solids, total suspendeddaily maximumreport only (lb/qtr)all year002
Phosphorus, total [as P]monthly averagereport only (mg/L)all year002
Phosphorus, total [as P]daily maximumreport only (mg/L)all year002
Phosphorus, total [as P]monthly averagereport only (lb/qtr)all year002
Phosphorus, total [as P]daily maximumreport only (lb/qtr)all year002
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year002
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year002
Chlorine, total residualdaily maximum= 38 ug/Lall year002
Formaldehydedaily maximum= 1600 ug/Lall year002
Formaldehydedaily maximum= 35 lb/qtrall year002
Outfall observation,visual, y/n responsevaluereport only (N=0;Y=1)all year002

How strict are these limits?

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

Same industry: the 9 Fishing, Hunting and Trapping permits in Michigan.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/MI0035726 · MCP: https://passage-data.com/mcp