CLINTON SANITARY DISTRICT

NPDES permit IL0023612 · Major POTW · administratively continued, expires 2024-05-31 · 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.

This permit expired on 2024-05-31 and is administratively continued: its last limits keep applying until a new permit is issued, and EPA still expects the reports.

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

16values over a limit
0required values missing, on 0 form(s)
0of 86 forms filed late

Last period with anything received: 2026-08-31. Most often over: Copper, total [as Cu] (14), Coliform, fecal general (1), Nitrogen, ammonia total [as N] (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 (166)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]MO AV MN report only all year
001Oxygen, dissolved [DO]MN WK AV report only all year
001Oxygen, dissolved [DO]DAILY MN report only all year
001BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 45 mg/L all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedWKLY AVG <= 45 mg/L all year
001Nitrogen, ammonia total [as N]MO AVG report only all year
001Nitrogen, ammonia total [as N]DAILY MX report only all year
001Phosphorus, total [as P]MO AVG report only all year
001Phosphorus, total [as P]DAILY MX report only all year
001Chlorine, total residualMO AVG <= .75 mg/L all year
001Flow, totalMO TOTAL report only all year
002BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
002BOD, 5-day, 20 deg. CWKLY AVG <= 45 mg/L all year
002pHMINIMUM >= 6 SU all year
002pHMAXIMUM <= 9 SU all year
002Solids, total suspendedMO AVG <= 30 mg/L all year
002Solids, total suspendedWKLY AVG <= 45 mg/L all year
002Nitrogen, ammonia total [as N]DAILY MX report only all year
002Phosphorus, total [as P]MO AVG report only all year
002Phosphorus, total [as P]DAILY MX report only all year
002Copper, total [as Cu]MO AVG report only all year
002Copper, total [as Cu]DAILY MX report only all year
002Chlorine, total residualMO AVG <= .75 mg/L all year
002Coliform, fecal generalDAILY MX <= 400 #/100mL all year
002Flow, totalMO TOTAL report only all year
004BOD, 5-day, 20 deg. CDAILY MX report only all year
004Solids, total suspendedDAILY MX report only all year
004Coliform, fecal generalDAILY MX report only all year
004FlowMO TOTAL report only all year
005BOD, 5-day, 20 deg. CDAILY MX report only all year
005Solids, total suspendedDAILY MX report only all year
005Coliform, fecal generalDAILY MX report only all year
005FlowMO TOTAL report only all year
A01BOD, 5-day, 20 deg. CDAILY MX report only all year
A01Solids, total suspendedDAILY MX report only all year
A01Nitrogen, ammonia total [as N]DAILY MX report only all year
A01Phosphorus, total [as P]MO AVG report only all year
A01Phosphorus, total [as P]DAILY MX report only all year
A01Chlorine, total residualDAILY MX <= .75 mg/L all year
A01Coliform, fecal generalDAILY MX <= 400 #/100mL all year
A01Flow, totalMO TOTAL report only all year
B01Oxygen, dissolved [DO]MO AV MN >= 6 mg/L Jan, Feb, Aug, Sep, Oct, Nov, Dec
B01Oxygen, dissolved [DO]MN WK AV >= 6.25 mg/L Mar, Apr, May, Jun, Jul
B01Oxygen, dissolved [DO]MN WK AV >= 4.5 mg/L Jan, Feb, Aug, Sep, Oct, Nov, Dec
B01Oxygen, dissolved [DO]DAILY MN >= 5 mg/L Mar, Apr, May, Jun, Jul
B01Oxygen, dissolved [DO]DAILY MN >= 4 mg/L Jan, Feb, Aug, Sep, Oct, Nov, Dec
B01pHMINIMUM >= 6 SU all year
B01pHMAXIMUM <= 9 SU all year
B01Solids, total suspendedMO AVG <= 12 mg/L all year
B01Solids, total suspendedDAILY MX <= 24 mg/L all year
B01Solids, total suspendedMO AVG <= 420 lb/d all year
B01Solids, total suspendedDAILY MX <= 841 lb/d all year
B01Oil & GreaseDAILY MX report only all year
B01Oil & GreaseDAILY MX report only all year
B01Nitrogen, total [as N]MO AVG report only all year
B01Nitrogen, total [as N]DAILY MX report only all year
B01Nitrogen, ammonia total [as N]MO AVG <= 2.5 mg/L Jan
B01Nitrogen, ammonia total [as N]MO AVG <= 2.5 mg/L Feb
B01Nitrogen, ammonia total [as N]MO AVG <= 2.5 mg/L Nov
B01Nitrogen, ammonia total [as N]MO AVG <= 2.5 mg/L Dec
B01Nitrogen, ammonia total [as N]MO AVG <= 1.5 mg/L Mar
B01Nitrogen, ammonia total [as N]MO AVG <= 1.5 mg/L Apr
B01Nitrogen, ammonia total [as N]MO AVG <= 1.5 mg/L May
B01Nitrogen, ammonia total [as N]MO AVG <= 1.2 mg/L Jun
B01Nitrogen, ammonia total [as N]MO AVG <= 1.2 mg/L Jul
B01Nitrogen, ammonia total [as N]MO AVG <= 1.2 mg/L Aug
B01Nitrogen, ammonia total [as N]MO AVG <= 1.5 mg/L Sep
B01Nitrogen, ammonia total [as N]MO AVG <= 1.5 mg/L Oct
B01Nitrogen, ammonia total [as N]DAILY MX <= 4.8 mg/L Jan
B01Nitrogen, ammonia total [as N]DAILY MX <= 4.8 mg/L Feb
B01Nitrogen, ammonia total [as N]DAILY MX <= 4.8 mg/L Nov
B01Nitrogen, ammonia total [as N]DAILY MX <= 4.8 mg/L Dec
B01Nitrogen, ammonia total [as N]DAILY MX <= 4.2 mg/L Mar
B01Nitrogen, ammonia total [as N]DAILY MX <= 3 mg/L Apr
B01Nitrogen, ammonia total [as N]DAILY MX <= 3 mg/L May
B01Nitrogen, ammonia total [as N]DAILY MX <= 3 mg/L Jun
B01Nitrogen, ammonia total [as N]DAILY MX <= 3 mg/L Jul
B01Nitrogen, ammonia total [as N]DAILY MX <= 3 mg/L Aug
B01Nitrogen, ammonia total [as N]DAILY MX <= 3 mg/L Sep
B01Nitrogen, ammonia total [as N]DAILY MX <= 3 mg/L Oct
B01Nitrogen, ammonia total [as N]MO AVG <= 88 lb/d Jan
B01Nitrogen, ammonia total [as N]MO AVG <= 88 lb/d Feb
B01Nitrogen, ammonia total [as N]MO AVG <= 88 lb/d Nov
B01Nitrogen, ammonia total [as N]MO AVG <= 88 lb/d Dec
B01Nitrogen, ammonia total [as N]MO AVG <= 53 lb/d Mar
B01Nitrogen, ammonia total [as N]MO AVG <= 53 lb/d Apr
B01Nitrogen, ammonia total [as N]MO AVG <= 53 lb/d May
B01Nitrogen, ammonia total [as N]MO AVG <= 42 lb/d Jun
B01Nitrogen, ammonia total [as N]MO AVG <= 42 lb/d Jul
B01Nitrogen, ammonia total [as N]MO AVG <= 42 lb/d Aug
B01Nitrogen, ammonia total [as N]MO AVG <= 53 lb/d Sep
B01Nitrogen, ammonia total [as N]MO AVG <= 53 lb/d Oct
B01Nitrogen, ammonia total [as N]DAILY MX <= 168 lb/d Jan
B01Nitrogen, ammonia total [as N]DAILY MX <= 168 lb/d Feb
B01Nitrogen, ammonia total [as N]DAILY MX <= 168 lb/d Nov
B01Nitrogen, ammonia total [as N]DAILY MX <= 168 lb/d Dec
B01Nitrogen, ammonia total [as N]DAILY MX <= 147 lb/d Mar
B01Nitrogen, ammonia total [as N]DAILY MX <= 105 lb/d Apr
B01Nitrogen, ammonia total [as N]DAILY MX <= 105 lb/d May
B01Nitrogen, ammonia total [as N]DAILY MX <= 105 lb/d Jun
B01Nitrogen, ammonia total [as N]DAILY MX <= 105 lb/d Jul
B01Nitrogen, ammonia total [as N]DAILY MX <= 105 lb/d Aug
B01Nitrogen, ammonia total [as N]DAILY MX <= 105 lb/d Sep
B01Nitrogen, ammonia total [as N]DAILY MX <= 105 lb/d Oct
B01Nitrogen, ammonia total [as N]WKLY AVG <= 3.8 mg/L Mar
B01Nitrogen, ammonia total [as N]WKLY AVG <= 133 lb/d Mar
B01Phosphorus, total [as P]MO AVG report only all year
B01Phosphorus, total [as P]DAILY MX report only all year
B01Cyanide, total [as CN]DAILY MX report only all year
B01Cyanide, total [as CN]DAILY MX report only all year
B01Cyanide, free [amenable to chlorination]DAILY MX report only all year
B01Cyanide, free [amenable to chlorination]DAILY MX report only all year
B01Fluoride, total [as F]DAILY MX report only all year
B01Fluoride, total [as F]DAILY MX report only all year
B01Arsenic, total [as As]DAILY MX report only all year
B01Arsenic, total [as As]DAILY MX report only all year
B01Barium, total [as Ba]DAILY MX report only all year
B01Barium, total [as Ba]DAILY MX report only all year
B01Cadmium, total [as Cd]DAILY MX report only all year
B01Cadmium, total [as Cd]DAILY MX report only all year
B01Chromium, hexavalent [as Cr]DAILY MX report only all year
B01Chromium, hexavalent [as Cr]DAILY MX report only all year
B01Chromium, total [as Cr]DAILY MX report only all year
B01Chromium, total [as Cr]DAILY MX report only all year
B01Copper, total [as Cu]MO AVG <= .0299 mg/L all year
B01Copper, total [as Cu]DAILY MX <= .0487 mg/L all year
B01Copper, total [as Cu]DAILY MX report only all year
B01Copper, total [as Cu]DAILY MX report only all year
B01Copper, total [as Cu]MO AVG <= 1.1 lb/d all year
B01Copper, total [as Cu]DAILY MX <= 1.7 lb/d all year
B01Iron, total [as Fe]DAILY MX report only all year
B01Iron, total [as Fe]DAILY MX report only all year
B01Iron, dissolved [as Fe]DAILY MX report only all year
B01Iron, dissolved [as Fe]DAILY MX report only all year
B01Lead, total [as Pb]DAILY MX report only all year
B01Lead, total [as Pb]DAILY MX report only all year
B01Manganese, total [as Mn]DAILY MX report only all year
B01Manganese, total [as Mn]DAILY MX report only all year
B01Nickel, total [as Ni]DAILY MX report only all year
B01Nickel, total [as Ni]DAILY MX report only all year
B01Silver, total [as Ag]DAILY MX report only all year
B01Silver, total [as Ag]DAILY MX report only all year
B01Zinc, total [as Zn]DAILY MX report only all year
B01Zinc, total [as Zn]DAILY MX report only all year
B01Selenium, total [as Se]DAILY MX report only all year
B01Selenium, total [as Se]DAILY MX report only all year
B01Phenolics, total recoverableDAILY MX report only all year
B01Phenolics, total recoverableDAILY MX report only all year
B01Flow, in conduit or thru treatment plantMO AVG report only all year
B01Flow, in conduit or thru treatment plantDAILY MX report only all year
B01Chlorine, total residualDAILY MX <= .05 mg/L all year
B01Mercury, total [as Hg]DAILY MX report only all year
B01Mercury, total [as Hg]DAILY MX report only all year
B01Coliform, fecal generalDAILY MX report only May, Jun, Jul, Aug, Sep, Oct
B01BOD, carbonaceous [5 day, 20 C]MO AVG <= 10 mg/L all year
B01BOD, carbonaceous [5 day, 20 C]DAILY MX <= 20 mg/L all year
B01BOD, carbonaceous [5 day, 20 C]MO AVG <= 350 lb/d all year
B01BOD, carbonaceous [5 day, 20 C]DAILY MX <= 701 lb/d all year
INFBOD, 5-day, 20 deg. CMO AVG report only all year
INFSolids, total suspendedMO AVG report only all year
INFFlow, in conduit or thru treatment plantMO AVG report only all year
INFFlow, in conduit or thru treatment plantDAILY MX report only all year

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