TA OPERATING CORPORATION

NPDES permit IL0066656 · Minor NON-POTW · effective, expires 2028-09-30 · EPA's file as of 2026-09-19

Check this month's numbers before you file

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

2values over a limit
0required values missing, on 0 form(s)
2of 22 forms filed late

Last period with anything received: 2026-07-31. Most often over: BOD, carbonaceous [5 day, 20 C] (1), Solids, total suspended (1).

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 (38)

OutfallParameterStatisticLimitMonths
001pHMO MIN >= 6 SU all year
001pHMO MAX <= 9 SU all year
001Solids, total suspended30DA AVG <= 37 mg/L all year
001Solids, total suspendedDAILY MX <= 74 mg/L all year
001Solids, total suspended30DA AVG <= 6.5 lb/d all year
001Solids, total suspendedDAILY MX <= 18.5 lb/d all year
001Oil and grease30DA AVG <= 15 mg/L all year
001Oil and greaseDAILY MX <= 30 mg/L all year
001Oil and grease30DA AVG <= 2.6 lb/d all year
001Oil and greaseDAILY MX <= 7.5 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
001Chlorine, total residualDAILY MX <= .05 mg/L all year
001Coliform, fecal generalDAILY MX <= 400 #/100mL May, Jun, Jul, Aug, Sep, Oct
001BOD, carbonaceous [5 day, 20 C]30DA AVG <= 25 mg/L all year
001BOD, carbonaceous [5 day, 20 C]DAILY MX <= 50 mg/L all year
001BOD, carbonaceous [5 day, 20 C]30DA AVG <= 4.4 lb/d all year
001BOD, carbonaceous [5 day, 20 C]DAILY MX <= 12.5 lb/d all year
002pHMO MIN >= 6 SU all year
002pHMO MAX <= 9 SU all year
002Oil and grease30DA AVG <= 15 mg/L all year
002Oil and greaseDAILY MX <= 30 mg/L all year
002Oil and grease30DA AVG <= .75 lb/d all year
002Oil and greaseDAILY MX <= 2 lb/d all year
002Polynuclear Aromatic Hydrocarbons [PAHs]DAILY MX <= .1 mg/L all year
002Polynuclear Aromatic Hydrocarbons [PAHs]DAILY MX <= .0067 lb/d all year
002Benzene, ethylbenzene, toluene, xylene combinationQRTR AVG report only Mar, Jun, Sep, Dec
002Benzene, ethylbenzene, toluene, xylene combinationQB report only Mar, Jun, Sep, Dec
002TolueneQRTR AVG report only Mar, Jun, Sep, Dec
002TolueneQB report only Mar, Jun, Sep, Dec
002BenzeneQRTR AVG report only Mar, Jun, Sep, Dec
002BenzeneQB report only Mar, Jun, Sep, Dec
002EthylbenzeneQRTR AVG report only Mar, Jun, Sep, Dec
002EthylbenzeneQB report only Mar, Jun, Sep, Dec
002Flow, in conduit or thru treatment plantMO AVG report only all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
002Xylene [mix of m+o+p]QRTR AVG report only Mar, Jun, Sep, Dec
002Xylene [mix of m+o+p]QB report only Mar, Jun, Sep, Dec

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