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Midwest Salt LLC

Groceries And Related Products, Chicago, Illinois. NPDES permit IL0080298, in force until Dec 31, 2030. Last 12 months: over a limit 2 times (last April 2026), 48 required values missing, 12 of 18 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 25 days after each period: outfall 001 form 0 monthly (6 values), outfall 002 form 0 monthly (6 values), outfall 003 form 0 monthly (6 values)
Last report on file
July 2026

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

Period endingOutfallParameterReportedLimit
March 2026003pH, monthly maximum9.91 SU≤ 9 SU
April 2026001pH, monthly minimum6.32 SU≥ 6.5 SU

Limits in force (18)

ParameterStatisticLimitMonthsOutfall
pHmonthly minimum≥ 6.5 SUall year001
pHmonthly maximum≤ 9 SUall year001
Chloride [as Cl]30-day averagereport only (mg/L)all year001
Chloride [as Cl]daily maximumreport only (mg/L)all 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
pHmonthly minimum≥ 6.5 SUall year002
pHmonthly maximum≤ 9 SUall year002
Chloride [as Cl]30-day averagereport only (mg/L)all year002
Chloride [as Cl]daily maximumreport only (mg/L)all 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
pHmonthly minimum≥ 6.5 SUall year003
pHmonthly maximum≤ 9 SUall year003
Chloride [as Cl]30-day averagereport only (mg/L)all year003
Chloride [as Cl]daily maximumreport only (mg/L)all year003
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year003
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year003

How strict are these limits?

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

Same industry: the 34 Wholesale Trade — Nondurable Goods 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/IL0080298 · MCP: https://passage-data.com/mcp