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Illinois Marine Towing Inc

Ship Building And Repairing, Lemont, Illinois. NPDES permit IL0080058, in force until Feb 28, 2031. Last 12 months: no values over a limit, 10 of 22 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 25 days after each period: outfall 001 form 0 monthly (5 values), outfall 002 form 0 monthly (9 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 16 of 24 reports late

Limits in force (16)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitmonthly maximum≤ 63 deg FJan, Feb, Mar, Dec001
Temperature, water deg. fahrenheitmonthly maximum≤ 93 deg FApr–Nov001
pHmonthly minimum≥ 6 SUall year001
pHmonthly maximum≤ 9 SUall 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
Temperature, water deg. fahrenheitmonthly maximum≤ 63 deg FJan, Feb, Mar, Dec002
Temperature, water deg. fahrenheitmonthly maximum≤ 93 deg FApr–Nov002
pHmonthly minimum≥ 6 SUall year002
pHmonthly maximum≤ 9 SUall year002
Solids, total suspended30-day average≤ 15 mg/Lall year002
Solids, total suspendeddaily maximum≤ 30 mg/Lall year002
Oil & Grease30-day average≤ 15 mg/Lall year002
Oil & Greasedaily maximum≤ 30 mg/Lall 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

How strict are these limits?

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

Same industry: the 8 Transportation Equipment permits in Illinois.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/IL0080058 · MCP: https://passage-data.com/mcp