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Mississippi Lime Company

Crushed And Broken Limestone, Prairie Du Rocher, Illinois. NPDES permit IL0068144, in force until Jul 31, 2027. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 25 days after each period: outfall 001 form 0 monthly (6 values), outfall 003 form 0 monthly (6 values)
Renewal application due
Feb 1, 2027 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 24 reports late

Limits in force (12)

ParameterStatisticLimitMonthsOutfall
pHmonthly minimum≥ 6.5 SUall year001
pHmonthly maximum≤ 9 SUall year001
Solids, total suspended30-day average≤ 35 mg/Lall year001
Solids, total suspendeddaily maximum≤ 70 mg/Lall year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Offensive Conditionsvaluereport only (N=0;Y=1)all year001
pHmonthly minimum≥ 6.5 SUall year003
pHmonthly maximum≤ 9 SUall year003
Solids, total suspended30-day average≤ 35 mg/Lall year003
Solids, total suspendeddaily maximum≤ 70 mg/Lall year003
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year003
Offensive Conditionsvaluereport only (N=0;Y=1)all year003

How strict are these limits?

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

Same industry: the 24 Mining and Quarrying of Nonmetallic Minerals 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/IL0068144 · MCP: https://passage-data.com/mcp