ILLINOIS TOOL WORKS INC

NPDES permit IL0070971 · Minor NON-POTW · effective, expires 2027-10-31 · EPA's file as of 2026-09-19

Check this month's numbers before you file
Watch this permit — $79 a month. Every Monday, from EPA's newest files: the next report due and when, whether EPA's file holds your last one, any change to this permit's limits or status, and the renewal date.

EPA's record, 2025-09-01 to 2026-08-31

0values over a limit
0required values missing, on 0 form(s)
3of 12 forms filed late

Last period with anything received: 2026-08-31.

Reporting

Reports are due about 25 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (20)

OutfallParameterStatisticLimitMonths
001pHMO MIN >= 6 SU all year
001pHMO MAX <= 9 SU all year
0011,1-Dichloroethane30DA AVG <= .05 mg/L all year
0011,1-DichloroethaneDAILY MX <= .1 mg/L all year
0011,1-Dichloroethane30DA AVG <= .003 lb/d all year
0011,1-DichloroethaneDAILY MX <= .006 lb/d all year
0011,1,1-Trichloroethane30DA AVG <= .05 mg/L all year
0011,1,1-TrichloroethaneDAILY MX <= .1 mg/L all year
0011,1,1-Trichloroethane30DA AVG <= .003 lb/d all year
0011,1,1-TrichloroethaneDAILY MX <= .006 lb/d all year
001Trichloroethylene30DA AVG <= .05 mg/L all year
001TrichloroethyleneDAILY MX <= .1 mg/L all year
001Trichloroethylene30DA AVG <= .003 lb/d all year
001TrichloroethyleneDAILY MX <= .006 lb/d all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Methyl ethyl ketone30DA AVG <= .22 mg/L all year
001Methyl ethyl ketoneDAILY MX <= .44 mg/L all year
001Methyl ethyl ketone30DA AVG <= .013 lb/d all year
001Methyl ethyl ketoneDAILY MX <= .026 lb/d all year

Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states