MONTICELLO, CITY OF

NPDES permit IL0029980 · Major POTW · administratively continued, expires 2024-09-30 · EPA's file as of 2026-09-19

Check this month's numbers before you file

This permit expired on 2024-09-30 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

0values over a limit
0required values missing, on 0 form(s)
0of 81 forms filed late

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

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 (224)

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
001Nitrogen, nitrate total [as N]MO AVG report only all year
001Nitrogen, nitrate 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
001Coliform, fecal generalDAILY MX <= 200 #/100mL all year
001Flow, totalMO TOTAL report only all year
002Oxygen, dissolved [DO]MO AV MN report only all year
002Oxygen, dissolved [DO]MN WK AV report only all year
002Oxygen, dissolved [DO]DAILY MN 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]MO AVG report only all year
002Nitrogen, ammonia total [as N]DAILY MX report only all year
002Nitrogen, nitrate total [as N]MO AVG report only all year
002Nitrogen, nitrate 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
002Chlorine, total residualMO AVG <= .75 mg/L all year
002Coliform, fecal generalDAILY MX <= 200 #/100mL all year
002Flow, totalMO TOTAL report only all year
A01BOD, 5-day, 20 deg. CDAILY MX report only all year
A01pHMINIMUM >= 6 SU all year
A01pHMAXIMUM <= 9 SU all year
A01Solids, total suspendedDAILY MX report only all year
A01Nitrogen, ammonia total [as N]DAILY MX report only all year
A01Nitrogen, nitrate 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 residualMO AVG <= .75 mg/L all year
A01Coliform, fecal generalDAILY MX <= 200 #/100mL all year
A01Flow, totalMO TOTAL report only all year
A02BOD, 5-day, 20 deg. CDAILY MX report only all year
A02pHMINIMUM >= 6 SU all year
A02pHMAXIMUM <= 9 SU all year
A02Solids, total suspendedDAILY MX report only all year
A02Nitrogen, ammonia total [as N]DAILY MX report only all year
A02Nitrogen, nitrate total [as N]DAILY MX report only all year
A02Phosphorus, total [as P]MO AVG report only all year
A02Phosphorus, total [as P]DAILY MX report only all year
A02Chlorine, total residualMO AVG <= .75 mg/L all year
A02Coliform, fecal generalDAILY MX <= 200 #/100mL all year
A02Flow, 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 <= 200 lb/d all year
B01Solids, total suspendedDAILY MX <= 400 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 <= 1.6 mg/L Mar, Apr, May, Sep, Oct
B01Nitrogen, ammonia total [as N]MO AVG <= 1.5 mg/L Jun, Jul, Aug
B01Nitrogen, ammonia total [as N]DAILY MX <= 6.4 mg/L Mar, Apr, May, Sep, Oct
B01Nitrogen, ammonia total [as N]DAILY MX <= 6.6 mg/L Jun, Jul, Aug
B01Nitrogen, ammonia total [as N]DAILY MX <= 4 mg/L Jan, Feb, Nov, Dec
B01Nitrogen, ammonia total [as N]MO AVG <= 27 lb/d Mar, Apr, May, Sep, Oct
B01Nitrogen, ammonia total [as N]MO AVG <= 25 lb/d Jun, Jul, Aug
B01Nitrogen, ammonia total [as N]DAILY MX <= 107 lb/d Mar, Apr, May, Sep, Oct
B01Nitrogen, ammonia total [as N]DAILY MX <= 110 lb/d Jun, Jul, Aug
B01Nitrogen, ammonia total [as N]DAILY MX <= 67 lb/d Jan, Feb, Nov, Dec
B01Nitrogen, ammonia total [as N]WKLY AVG <= 4 mg/L Mar, Apr, May, Sep, Oct
B01Nitrogen, ammonia total [as N]WKLY AVG <= 3.8 mg/L Jun, Jul, Aug
B01Nitrogen, ammonia total [as N]WKLY AVG <= 67 lb/d Mar, Apr, May, Sep, Oct
B01Nitrogen, ammonia total [as N]WKLY AVG <= 63 lb/d Jun, Jul, Aug
B01Nitrite + Nitrate total [as N]DAILY MX report only all year
B01Phosphorus, total [as P]MO AVG <= 1 mg/L all year
B01Phosphorus, total [as P]MO AVG <= 17 lb/d 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]DAILY MX report only all year
B01Copper, total [as Cu]DAILY MX report only 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
B01Coliform, fecal - % samples exceeding limitMAXIMUM <= 10 % 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 Jan, Feb, Mar, Apr, Nov, Dec
B01Chlorine, total residualDAILY MX <= .05 mg/L May, Jun, Jul, Aug, Sep, Oct
B01Mercury, total [as Hg]DAILY MX report only all year
B01Mercury, total [as Hg]DAILY MX report only all year
B01Coliform, fecal generalGEO MEAN <= 200 #/100mL May, Jun, Jul, Aug, Sep, Oct
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 <= 167 lb/d all year
B01BOD, carbonaceous [5 day, 20 C]DAILY MX <= 334 lb/d all year
B02Oxygen, dissolved [DO]MO AV MN >= 6 mg/L Jan, Feb, Aug, Sep, Oct, Nov, Dec
B02Oxygen, dissolved [DO]MN WK AV >= 6.25 mg/L Mar, Apr, May, Jun, Jul
B02Oxygen, dissolved [DO]MN WK AV >= 4.5 mg/L Jan, Feb, Aug, Sep, Oct, Nov, Dec
B02Oxygen, dissolved [DO]DAILY MN >= 5 mg/L Mar, Apr, May, Jun, Jul
B02Oxygen, dissolved [DO]DAILY MN >= 4 mg/L Jan, Feb, Aug, Sep, Oct, Nov, Dec
B02pHMINIMUM >= 6 SU all year
B02pHMAXIMUM <= 9 SU all year
B02Solids, total suspendedMO AVG <= 12 mg/L all year
B02Solids, total suspendedDAILY MX <= 24 mg/L all year
B02Solids, total suspendedMO AVG <= 200 lb/d all year
B02Solids, total suspendedDAILY MX <= 400 lb/d all year
B02Oil & GreaseDAILY MX report only all year
B02Oil & GreaseDAILY MX report only all year
B02Nitrogen, total [as N]MO AVG report only all year
B02Nitrogen, total [as N]DAILY MX report only all year
B02Nitrogen, ammonia total [as N]MO AVG <= 1.6 mg/L Mar, Apr, May, Sep, Oct
B02Nitrogen, ammonia total [as N]MO AVG <= 1.5 mg/L Jun, Jul, Aug
B02Nitrogen, ammonia total [as N]DAILY MX <= 6.4 mg/L Mar, Apr, May, Sep, Oct
B02Nitrogen, ammonia total [as N]DAILY MX <= 6.6 mg/L Jun, Jul, Aug
B02Nitrogen, ammonia total [as N]DAILY MX <= 4 mg/L Jan, Feb, Nov, Dec
B02Nitrogen, ammonia total [as N]MO AVG <= 27 lb/d Mar, Apr, May, Sep, Oct
B02Nitrogen, ammonia total [as N]MO AVG <= 25 lb/d Jun, Jul, Aug
B02Nitrogen, ammonia total [as N]DAILY MX <= 107 lb/d Mar, Apr, May, Sep, Oct
B02Nitrogen, ammonia total [as N]DAILY MX <= 110 lb/d Jun, Jul, Aug
B02Nitrogen, ammonia total [as N]DAILY MX <= 67 lb/d Jan, Feb, Nov, Dec
B02Nitrogen, ammonia total [as N]WKLY AVG <= 4 mg/L Mar, Apr, May, Sep, Oct
B02Nitrogen, ammonia total [as N]WKLY AVG <= 3.8 mg/L Jun, Jul, Aug
B02Nitrogen, ammonia total [as N]WKLY AVG <= 67 lb/d Mar, Apr, May, Sep, Oct
B02Nitrogen, ammonia total [as N]WKLY AVG <= 63 lb/d Jun, Jul, Aug
B02Nitrite + Nitrate total [as N]DAILY MX report only all year
B02Phosphorus, total [as P]MO AVG <= 1 mg/L all year
B02Phosphorus, total [as P]MO AVG <= 17 lb/d all year
B02Cyanide, total [as CN]DAILY MX report only all year
B02Cyanide, total [as CN]DAILY MX report only all year
B02Cyanide, free [amenable to chlorination]DAILY MX report only all year
B02Cyanide, free [amenable to chlorination]DAILY MX report only all year
B02Fluoride, total [as F]DAILY MX report only all year
B02Fluoride, total [as F]DAILY MX report only all year
B02Arsenic, total [as As]DAILY MX report only all year
B02Arsenic, total [as As]DAILY MX report only all year
B02Barium, total [as Ba]DAILY MX report only all year
B02Barium, total [as Ba]DAILY MX report only all year
B02Cadmium, total [as Cd]DAILY MX report only all year
B02Cadmium, total [as Cd]DAILY MX report only all year
B02Chromium, hexavalent [as Cr]DAILY MX report only all year
B02Chromium, hexavalent [as Cr]DAILY MX report only all year
B02Chromium, total [as Cr]DAILY MX report only all year
B02Chromium, total [as Cr]DAILY MX report only all year
B02Copper, total [as Cu]DAILY MX report only all year
B02Copper, total [as Cu]DAILY MX report only all year
B02Iron, total [as Fe]DAILY MX report only all year
B02Iron, total [as Fe]DAILY MX report only all year
B02Iron, dissolved [as Fe]DAILY MX report only all year
B02Iron, dissolved [as Fe]DAILY MX report only all year
B02Lead, total [as Pb]DAILY MX report only all year
B02Lead, total [as Pb]DAILY MX report only all year
B02Manganese, total [as Mn]DAILY MX report only all year
B02Manganese, total [as Mn]DAILY MX report only all year
B02Nickel, total [as Ni]DAILY MX report only all year
B02Nickel, total [as Ni]DAILY MX report only all year
B02Silver, total [as Ag]DAILY MX report only all year
B02Silver, total [as Ag]DAILY MX report only all year
B02Zinc, total [as Zn]DAILY MX report only all year
B02Zinc, total [as Zn]DAILY MX report only all year
B02Selenium, total [as Se]DAILY MX report only all year
B02Selenium, total [as Se]DAILY MX report only all year
B02Coliform, fecal - % samples exceeding limitMAXIMUM <= 10 % all year
B02Phenolics, total recoverableDAILY MX report only all year
B02Phenolics, total recoverableDAILY MX report only all year
B02Flow, in conduit or thru treatment plantMO AVG report only all year
B02Flow, in conduit or thru treatment plantDAILY MX report only all year
B02Chlorine, total residualDAILY MX <= .05 mg/L Jan, Feb, Mar, Apr, Nov, Dec
B02Chlorine, total residualDAILY MX <= .05 mg/L May, Jun, Jul, Aug, Sep, Oct
B02Mercury, total [as Hg]DAILY MX report only all year
B02Mercury, total [as Hg]DAILY MX report only all year
B02Coliform, fecal generalGEO MEAN <= 200 #/100mL May, Jun, Jul, Aug, Sep, Oct
B02Coliform, fecal generalDAILY MX report only May, Jun, Jul, Aug, Sep, Oct
B02BOD, carbonaceous [5 day, 20 C]MO AVG <= 10 mg/L all year
B02BOD, carbonaceous [5 day, 20 C]DAILY MX <= 20 mg/L all year
B02BOD, carbonaceous [5 day, 20 C]MO AVG <= 167 lb/d all year
B02BOD, carbonaceous [5 day, 20 C]DAILY MX <= 334 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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