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Illinois Tool Works Inc

General Industrial Machinery, Harwood Heights, Illinois. NPDES permit IL0070971, in force until Oct 31, 2027. Last 12 months: no values over a limit, 3 of 12 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 25 days after each period: form 0 monthly (20 values)
Renewal application due
May 4, 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, 20 required values missing, 3 of 12 reports late

Limits in force (20)

ParameterStatisticLimitMonths
pHmonthly minimum≥ 6 SUall year
pHmonthly maximum≤ 9 SUall year
1,1-Dichloroethane30-day average≤ .05 mg/Lall year
1,1-Dichloroethanedaily maximum≤ .1 mg/Lall year
1,1-Dichloroethane30-day average≤ .003 lb/dall year
1,1-Dichloroethanedaily maximum≤ .006 lb/dall year
1,1,1-Trichloroethane30-day average≤ .05 mg/Lall year
1,1,1-Trichloroethanedaily maximum≤ .1 mg/Lall year
1,1,1-Trichloroethane30-day average≤ .003 lb/dall year
1,1,1-Trichloroethanedaily maximum≤ .006 lb/dall year
Trichloroethylene30-day average≤ .05 mg/Lall year
Trichloroethylenedaily maximum≤ .1 mg/Lall year
Trichloroethylene30-day average≤ .003 lb/dall year
Trichloroethylenedaily maximum≤ .006 lb/dall 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
Methyl ethyl ketone30-day average≤ .22 mg/Lall year
Methyl ethyl ketonedaily maximum≤ .44 mg/Lall year
Methyl ethyl ketone30-day average≤ .013 lb/dall year
Methyl ethyl ketonedaily maximum≤ .026 lb/dall year

How strict are these limits?

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

Same industry: the 11 Industrial and Commercial Machinery and Computer 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/IL0070971 · MCP: https://passage-data.com/mcp