HANSON AGGREGATE MIDWEST

NPDES permit IL0024155 · Minor NON-POTW · effective, expires 2026-10-31 · 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

9values over a limit
0required values missing, on 0 form(s)
0of 33 forms filed late

Last period with anything received: 2026-07-31. Most often over: Coliform, fecal general (3), Nitrogen, ammonia total [as N] (3), BOD, carbonaceous [5 day, 20 C] (2).

Reporting

Reports are due about 25 days after each monitoring period ends (the most common figure among IL permits in EPA's filings — check your permit).

Limits in force (30)

OutfallParameterStatisticLimitMonths
002pHMINIMUM >= 6 SU all year
002pHMAXIMUM <= 9 SU all year
002Solids, total suspended30DA AVG <= 35 mg/L all year
002Solids, total suspendedDAILY MX <= 70 mg/L all year
002Flow, in conduit or thru treatment plantMO AVG report only all year
002Offensive ConditionsVALUE report only all year
003pHMINIMUM >= 6 SU all year
003pHMAXIMUM <= 9 SU all year
003Solids, total suspended30DA AVG <= 12 mg/L all year
003Solids, total suspendedDAILY MX <= 24 mg/L all year
003Nitrogen, ammonia total [as N]30DA AVG <= 1.5 mg/L Mar, Apr, May, Sep, Oct
003Nitrogen, ammonia total [as N]30DA AVG <= 1.3 mg/L Jun, Jul, Aug
003Nitrogen, ammonia total [as N]30DA AVG <= 3.1 mg/L Jan, Feb, Nov, Dec
003Nitrogen, ammonia total [as N]DAILY MX <= 5.1 mg/L Mar, Apr, May, Sep, Oct
003Nitrogen, ammonia total [as N]DAILY MX <= 7.8 mg/L Jun, Jul, Aug
003Nitrogen, ammonia total [as N]DAILY MX <= 5 mg/L Jan, Feb, Nov, Dec
003Nitrogen, ammonia total [as N]WKLY AVG <= 3.3 mg/L Jun, Jul, Aug
003Nitrogen, ammonia total [as N]WKLY AVG <= 3.8 mg/L Mar, Apr, May, Sep, Oct
003Flow, in conduit or thru treatment plantMO AVG report only all year
003Chlorine, total residualDAILY MX <= .05 mg/L all year
003Offensive ConditionsMAXIMUM report only all year
003Coliform, fecal generalDAILY MX <= 400 #/100mL all year
003BOD, carbonaceous [5 day, 20 C]30DA AVG <= 10 mg/L all year
003BOD, carbonaceous [5 day, 20 C]DAILY MX <= 20 mg/L all year
004pHMINIMUM >= 6 SU all year
004pHMAXIMUM <= 9 SU all year
004Solids, total suspended30DA AVG <= 35 mg/L all year
004Solids, total suspendedDAILY MX <= 70 mg/L all year
004Flow, in conduit or thru treatment plantMO AVG report only all year
004Offensive ConditionsVALUE report only 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