BARRINGTON, VILLAGE OF

NPDES permit IL0021598 · Major POTW · administratively continued, expires 2024-01-31 · 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 2024-01-31 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

0values over a limit
0required values missing, on 0 form(s)
0of 46 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 (110)

OutfallParameterStatisticLimitMonths
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
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
002Flow, totalMO TOTAL report only all year
A02BOD, 5-day, 20 deg. CDAILY MX report only all year
A02Solids, total suspendedDAILY MX report only all year
A02Nitrogen, ammonia 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
A02Coliform, fecal generalDAILY MX <= 400 #/100mL all year
A02Flow, totalMO TOTAL report only all year
B02Temperature, water deg. fahrenheitMO MAX report only all year
B02Oxygen, dissolved [DO]MO AV MN >= 5.5 mg/L Jan, Feb, Aug, Sep, Oct, Nov, Dec
B02Oxygen, dissolved [DO]MN WK AV >= 6 mg/L Mar, Apr, May, Jun, Jul
B02Oxygen, dissolved [DO]MN WK AV >= 4 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 >= 3.5 mg/L Jan, Feb, Aug, Sep, Oct, Nov, Dec
B02pHMINIMUM >= 6 SU all year
B02pHMAXIMUM <= 9 SU all year
B02Alkalinity, total [as CaCO3]DAILY MX report only all year
B02Solids, total suspendedMO AVG <= 12 mg/L all year
B02Solids, total suspendedDAILY MX <= 24 mg/L all year
B02Solids, total suspendedMO AVG <= 1021 lb/d all year
B02Solids, total suspendedDAILY MX <= 2042 lb/d all year
B02Oil & GreaseDAILY MX report only all year
B02Oil & GreaseDAILY MX report only all year
B02Nitrogen, total [as N]DAILY MX report only all year
B02Nitrogen, ammonia total [as N]WKLY AVG <= 4 mg/L Mar
B02Nitrogen, ammonia total [as N]WKLY AVG <= 340 lb/d Mar
B02Nitrogen, ammonia total [as N]MO AVG <= 2.5 mg/L Jan, Feb, Nov, Dec
B02Nitrogen, ammonia total [as N]MO AVG <= 1.6 mg/L Mar
B02Nitrogen, ammonia total [as N]MO AVG <= 1.2 mg/L Apr, May, Jun, Jul, Aug, Sep, Oct
B02Nitrogen, ammonia total [as N]DAILY MX <= 6 mg/L Jan, Feb, Nov, Dec
B02Nitrogen, ammonia total [as N]DAILY MX <= 6.2 mg/L Mar
B02Nitrogen, ammonia total [as N]DAILY MX <= 3 mg/L Apr, May, Jun, Jul, Aug, Sep, Oct
B02Nitrogen, ammonia total [as N]MO AVG <= 213 lb/d Jan, Feb, Nov, Dec
B02Nitrogen, ammonia total [as N]MO AVG <= 136 lb/d Mar
B02Nitrogen, ammonia total [as N]MO AVG <= 102 lb/d Apr, May, Jun, Jul, Aug, Sep, Oct
B02Nitrogen, ammonia total [as N]DAILY MX <= 510 lb/d Jan, Feb, Nov, Dec
B02Nitrogen, ammonia total [as N]DAILY MX <= 527 lb/d Mar
B02Nitrogen, ammonia total [as N]DAILY MX <= 255 lb/d Apr, May, Jun, Jul, Aug, Sep, Oct
B02Nitrogen, Kjeldahl, total [as N]DAILY MX report only all year
B02Nitrite + Nitrate total [as N]DAILY MX report only all year
B02Phosphorus, total [as P]MO AVG report only all year
B02Phosphorus, total [as P]DAILY MX report only all year
B02Phosphorus, total [as P]ANNL AVG <= 1 mg/L all year
B02Phosphorus, total [as P]ANNL AVG <= 85 lb/d all year
B02Phosphorus, dissolvedDAILY MX report only all year
B02Cyanide, weak acid, dissociableDAILY MX report only all year
B02Cyanide, weak acid, dissociableDAILY MX report only all year
B02Cyanide, total [as CN]DAILY MX report only all year
B02Cyanide, total [as CN]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
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 May, Jun, Jul, Aug, Sep, Oct
B02Chlorine, total residualDAILY MX <= .05 mg/L Jan, Feb, Mar, Apr, Nov, Dec
B02Mercury, total [as Hg]DAILY MX report only all year
B02Mercury, total [as Hg]DAILY MX report only all year
B02Coliform, fecal generalDAILY MX <= 400 #/100mL 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 <= 851 lb/d all year
B02BOD, carbonaceous [5 day, 20 C]DAILY MX <= 1701 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

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