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Ra Cullinan & Sons Inc

Heavy Construction, Farmdale, Illinois. NPDES permit IL0079014, in force until Jan 31, 2031. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

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

Limits in force (12)

ParameterStatisticLimitMonths
Sulfate [as S]30-day averagereport only (mg/L)all year
Sulfate [as S]daily maximumreport only (mg/L)all year
pHmonthly minimum≥ 6.5 SUall year
pHmonthly maximum≤ 9 SUall year
Solids, total suspended30-day average≤ 15 mg/Lall year
Solids, total suspendeddaily maximum≤ 30 mg/Lall year
Chloride [as Cl]30-day averagereport only (mg/L)all year
Chloride [as Cl]daily maximumreport only (mg/L)all year
Iron, total [as Fe]30-day averagereport only (mg/L)all year
Iron, total [as Fe]daily maximumreport only (mg/L)all 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

How strict are these limits?

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

Same industry: the 3 Heavy Construction 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/IL0079014 · MCP: https://passage-data.com/mcp