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Fish, Crystal and Mud Lake Rehabilitation District

Industrial or other facility, Lodi, Wisconsin. NPDES permit WI0049964 expired Sep 30, 2023; its limits still apply. Last 12 months: no values over a limit, 42 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 001 form A monthly (5 values), outfall 004 form A monthly (6 values)
Last report on file
June 2026
Oct 2024 – Sep 2025
1 value over a limit, 17 required values missing, 4 of 24 reports late

Limits in force (13)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]daily minimum≥ 7 mg/LJan, Feb, Mar, Apr, May, Jun, Oct, Nov, Dec001
BOD, 5-day, 20 deg. Cweekly average≤ 20 mg/Lall year001
pHdaily minimum≥ 6 SUall year001
pHdaily maximum≤ 9 SUall year001
Solids, total suspendedweekly average≤ 40 mg/Lall year001
Flow, in conduit or thru treatment plantdaily maximum≤ 1.5 MGDall year001
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)May–Sep004
Oxygen, dissolved [DO]daily minimum≥ 8 mg/LJan, Feb, Mar, Apr, May, Jun, Oct, Nov, Dec004
pHdaily minimum≥ 6 SUall year004
pHdaily maximum≤ 9 SUall year004
Solids, total suspendedweekly average≤ 13 mg/Lall year004
Phosphorus, total [as P]monthly average≤ .225 mg/Lall year004
Flow, in conduit or thru treatment plantdaily maximum≤ 1.5 MGDall year004

How strict are these limits?

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

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/WI0049964 · MCP: https://passage-data.com/mcp