ST MARY'S CEMENT INC

NPDES permit IL0003514 · Minor NON-POTW · effective, expires 2027-04-30 · 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)
0of 77 forms filed late

Last period with anything received: 2026-07-31.

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 (97)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeMO MAX <= 33.7 deg C Apr, May, Jun, Jul, Aug, Sep, Oct, Nov
001Temperature, water deg. centigradeMO MAX <= 17.7 deg C Jan, Feb, Mar, Dec
001Temperature, water deg. centigradeMO MAX <= 3 deg C all year
001Temperature, water deg. centigradeMO MAX report only all year
001pHMO MIN >= 6 SU all year
001pHMO MAX <= 9 SU all year
001Solids, total suspended30DA AVG <= 15 mg/L all year
001Solids, total suspendedDAILY MX <= 30 mg/L all year
001Solids, total suspended30DA AVG report only all year
001Solids, total suspendedDAILY MX report only all year
001Temperature, length of excursionTOTAL <= 87.6 hr/12mo 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
001Chlorine, total residualDAILY MX <= .05 mg/L all year
002Temperature, water deg. centigradeMO MAX <= 33.7 deg C Apr, May, Jun, Jul, Aug, Sep, Oct, Nov
002Temperature, water deg. centigradeMO MAX <= 17.7 deg C Jan, Feb, Mar, Dec
002Temperature, water deg. centigradeMO MAX <= 3 deg C all year
002Temperature, water deg. centigradeMO MAX report only all year
002pHMO MIN >= 6 SU all year
002pHMO MAX <= 9 SU all year
002Solids, total suspended30DA AVG <= 15 mg/L all year
002Solids, total suspendedDAILY MX <= 30 mg/L all year
002Solids, total suspended30DA AVG report only all year
002Solids, total suspendedDAILY MX report only all year
002Iron, total [as Fe]30DA AVG <= 2 mg/L all year
002Iron, total [as Fe]DAILY MX <= 4 mg/L all year
002Temperature, length of excursionTOTAL <= 87.6 hr/12mo all year
002Flow, in conduit or thru treatment plantMO AVG report only all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
002Chlorine, total residualDAILY MX <= .05 mg/L all year
002Mercury, total [as Hg]QRTR AVG report only Mar, Jun, Sep, Dec
002Mercury, total [as Hg]QB report only Mar, Jun, Sep, Dec
003Temperature, water deg. centigradeMO MAX <= 33.7 deg C Apr, May, Jun, Jul, Aug, Sep, Oct, Nov
003Temperature, water deg. centigradeMO MAX <= 17.7 deg C Jan, Feb, Mar, Dec
003Temperature, water deg. centigradeMO MAX <= 3 deg C all year
003Temperature, water deg. centigradeMO MAX report only all year
003pHMO MIN >= 6 SU all year
003pHMO MAX <= 9 SU all year
003Solids, total suspended30DA AVG <= 15 mg/L all year
003Solids, total suspendedDAILY MX <= 30 mg/L all year
003Solids, total suspended30DA AVG report only all year
003Solids, total suspendedDAILY MX report only all year
003Temperature, length of excursionTOTAL <= 87.6 hr/12mo all year
003Flow, in conduit or thru treatment plantMO AVG report only all year
003Flow, in conduit or thru treatment plantDAILY MX report only all year
004Temperature, water deg. centigradeMO MAX <= 33.7 deg C Apr, May, Jun, Jul, Aug, Sep, Oct, Nov
004Temperature, water deg. centigradeMO MAX <= 17.7 deg C Jan, Feb, Mar, Dec
004Temperature, water deg. centigradeMO MAX <= 3 deg C all year
004Temperature, water deg. centigradeMO MAX report only all year
004pHMO MIN >= 6.5 SU all year
004pHMO MAX <= 9 SU all year
004Solids, total suspended30DA AVG <= 15 mg/L all year
004Solids, total suspendedDAILY MX <= 30 mg/L all year
004Solids, total suspended30DA AVG report only all year
004Solids, total suspendedDAILY MX report only all year
004Chloride [as Cl]QB report only Mar, Jun, Sep, Dec
004Sulfate, total [as SO4]DAILY MX <= 1864 mg/L all year
004Temperature, length of excursionTOTAL <= 87.6 hr/12mo all year
004Flow, in conduit or thru treatment plantMO AVG report only all year
004Flow, in conduit or thru treatment plantDAILY MX report only all year
004Chlorine, total residualDAILY MX <= .05 mg/L all year
005pHMO MIN >= 6.5 SU all year
005pHMO MAX <= 9 SU all year
005Solids, total suspended30DA AVG <= 15 mg/L all year
005Solids, total suspendedDAILY MX <= 30 mg/L all year
005Iron, total [as Fe]30DA AVG report only all year
005Iron, total [as Fe]DAILY MX report only all year
005Flow, in conduit or thru treatment plantMO AVG report only all year
005Flow, in conduit or thru treatment plantDAILY MX report only all year
005Offensive ConditionsVALUE report only all year
005Mercury, total [as Hg]QB report only Mar, Jun, Sep, Dec
006pHMO MIN >= 6.5 SU all year
006pHMO MAX <= 9 SU all year
006Solids, total suspended30DA AVG <= 35 mg/L all year
006Solids, total suspendedDAILY MX <= 50 mg/L all year
006Flow, in conduit or thru treatment plantMO AVG report only all year
006Flow, in conduit or thru treatment plantDAILY MX report only all year
006Offensive ConditionsVALUE report only all year
015Oxygen, dissolved [DO]MO AV MN >= 5.5 mg/L Jan, Feb, Aug, Sep, Oct, Nov, Dec
015Oxygen, dissolved [DO]MN WK AV >= 4 mg/L Jan, Feb, Aug, Sep, Oct, Nov, Dec
015Oxygen, dissolved [DO]MN WK AV >= 6 mg/L Mar, Apr, May, Jun, Jul
015Oxygen, dissolved [DO]DAILY MN >= 3.5 mg/L Jan, Feb, Aug, Sep, Oct, Nov, Dec
015Oxygen, dissolved [DO]DAILY MN >= 5 mg/L Mar, Apr, May, Jun, Jul
015pHMO MIN >= 6 SU all year
015pHMO MAX <= 9 SU all year
015Solids, total suspended30DA AVG <= 30 mg/L all year
015Solids, total suspendedDAILY MX <= 60 mg/L all year
015Solids, total suspended30DA AVG <= 3.5 lb/d all year
015Solids, total suspendedDAILY MX <= 7 lb/d all year
015Flow, in conduit or thru treatment plantMO AVG report only all year
015Flow, in conduit or thru treatment plantDAILY MX report only all year
015Chlorine, total residualDAILY MX <= .05 mg/L all year
015Coliform, fecal generalDAILY MX <= 200 #/100mL all year
015BOD, carbonaceous [5 day, 20 C]30DA AVG <= 25 mg/L all year
015BOD, carbonaceous [5 day, 20 C]DAILY MX <= 50 mg/L all year
015BOD, carbonaceous [5 day, 20 C]30DA AVG <= 2.9 lb/d all year
015BOD, carbonaceous [5 day, 20 C]DAILY MX <= 5.8 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