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Illinois Dept of Transportation

Water Supply, Venice, Illinois. NPDES permit IL0071765, in force until Jun 30, 2030. Last 12 months: over a limit 4 times (last September 2026), 1 of 12 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 25 days after each period: form 0 monthly (6 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 6 required values missing, 5 of 12 reports late

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

Period endingParameterReportedLimitOver by
October 2025Iron, total [as Fe], 30-day average22.1 mg/L≤ 20 mg/L11%
June 2026Solids, total suspended, 30-day average80 mg/L≤ 40 mg/L100%
July 2026Solids, total suspended, 30-day average45 mg/L≤ 40 mg/L13%
September 2026Iron, total [as Fe], 30-day average20.4 mg/L≤ 20 mg/L2%

Limits in force (6)

ParameterStatisticLimitMonths
pHmonthly minimum≥ 6 SUall year
pHmonthly maximum≤ 9 SUall year
Solids, total suspended30-day average≤ 40 mg/Lall year
Iron, total [as Fe]30-day average≤ 20 mg/Lall 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

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

Same industry: the 30 Water Supply 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/IL0071765 · MCP: https://passage-data.com/mcp