GLENBARD WASTEWATER AUTHORITY

NPDES permit IL0021547 · Major POTW · effective, expires 2027-01-31 · 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.

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

4values over a limit
0required values missing, on 0 form(s)
0of 30 forms filed late

Last period with anything received: 2026-07-31. Most often over: BOD, carbonaceous [5 day, 20 C] (3), 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 (96)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitMO MAX report only all year
001Oxygen, dissolved [DO]MO AV MN >= 5.5 mg/L Jan, Feb, Aug, Sep, Oct, Nov, Dec
001Oxygen, dissolved [DO]MN WK AV >= 4 mg/L Jan, Feb, Aug, Sep, Oct, Nov, Dec
001Oxygen, dissolved [DO]MN WK AV >= 6 mg/L Mar, Apr, May, Jun, Jul
001Oxygen, dissolved [DO]DAILY MN >= 3.5 mg/L Jan, Feb, Aug, Sep, Oct, Nov, Dec
001Oxygen, dissolved [DO]DAILY MN >= 5 mg/L Mar, Apr, May, Jun, Jul
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Alkalinity, total [as CaCO3]DAILY MX report only all year
001Solids, total suspendedMO AVG <= 12 mg/L all year
001Solids, total suspendedDAILY MX <= 24 mg/L all year
001Solids, total suspendedMO AVG <= 4704 lb/d all year
001Solids, total suspendedDAILY MX <= 9408 lb/d all year
001Oil & GreaseDAILY MX report only all year
001Nitrogen, total [as N]DAILY MX report only all year
001Nitrogen, ammonia total [as N]MO AVG <= 1.5 mg/L Apr, May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]MO AVG <= 3.3 mg/L Jan, Feb, Nov, Dec
001Nitrogen, ammonia total [as N]MO AVG <= 2.5 mg/L Mar
001Nitrogen, ammonia total [as N]DAILY MX <= 3 mg/L Apr, May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]DAILY MX <= 7.5 mg/L Jan, Feb, Nov, Dec
001Nitrogen, ammonia total [as N]DAILY MX <= 12.4 mg/L Mar
001Nitrogen, ammonia total [as N]MO AVG <= 588 lb/d Apr, May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]MO AVG <= 1294 lb/d Jan, Feb, Nov, Dec
001Nitrogen, ammonia total [as N]MO AVG <= 980 lb/d Mar
001Nitrogen, ammonia total [as N]DAILY MX <= 1176 lb/d Apr, May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]DAILY MX <= 2940 lb/d Jan, Feb, Nov, Dec
001Nitrogen, ammonia total [as N]DAILY MX <= 4861 lb/d Mar
001Nitrogen, ammonia total [as N]WKLY AVG <= 6.3 mg/L Mar
001Nitrogen, ammonia total [as N]WKLY AVG <= 2469 lb/d Mar
001Nitrogen, Kjeldahl, total [as N]DAILY MX report only all year
001Nitrite + 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
001Phosphorus, dissolvedDAILY MX report only all year
001Cyanide, total [as CN]DAILY MX report only all year
001Cyanide, free [amenable to chlorination]DAILY MX report only all year
001Chloride [as Cl]DAILY MX report only all year
001Fluoride, total [as F]DAILY MX report only all year
001Arsenic, total [as As]DAILY MX report only all year
001Barium, total [as Ba]DAILY MX report only all year
001Beryllium, total [as Be]DAILY MX report only all year
001Cadmium, total [as Cd]DAILY MX report only all year
001Chromium, hexavalent [as Cr]DAILY MX report only all year
001Chromium, total [as Cr]DAILY MX report only all year
001Copper, total [as Cu]DAILY MX report only all year
001Iron, total [as Fe]DAILY MX report only all year
001Iron, dissolved [as Fe]DAILY MX report only all year
001Lead, total [as Pb]DAILY MX report only all year
001Manganese, total [as Mn]DAILY MX report only all year
001Thallium, total [as Tl]DAILY MX report only all year
001Nickel, total [as Ni]DAILY MX report only all year
001Silver, total [as Ag]DAILY MX report only all year
001Zinc, total [as Zn]DAILY MX report only all year
001Antimony, total [as Sb]DAILY MX report only all year
001Selenium, total [as Se]DAILY MX report only all year
001Coliform, fecal - % samples exceeding limitMAXIMUM <= 10 % May, Jun, Jul, Aug, Sep, Oct
001Phenolics, total recoverableDAILY MX report only 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 <= .038 mg/L all year
001Mercury, total [as Hg]DAILY MX report only all year
001Coliform, fecal generalGEO MEAN <= 200 #/100mL May, Jun, Jul, Aug, Sep, Oct
001Coliform, fecal generalDAILY MX report only May, Jun, Jul, Aug, Sep, Oct
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 10 mg/L all year
001BOD, carbonaceous [5 day, 20 C]DAILY MX <= 20 mg/L all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 3920 lb/d all year
001BOD, carbonaceous [5 day, 20 C]DAILY MX <= 7840 lb/d all year
INFBOD, 5-day, 20 deg. CMO AVG report only all year
INFSolids, total suspendedMO AVG report only all year
INFNitrogen, total [as N]DAILY MX report only all year
INFPhosphorus, total [as P]DAILY MX 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
INFLOil & GreaseDAILY MX report only all year
INFLCyanide, total [as CN]DAILY MX report only all year
INFLCyanide, free [amenable to chlorination]DAILY MX report only all year
INFLFluoride, total [as F]DAILY MX report only all year
INFLArsenic, total [as As]DAILY MX report only all year
INFLBarium, total [as Ba]DAILY MX report only all year
INFLBeryllium, total [as Be]DAILY MX report only all year
INFLCadmium, total [as Cd]DAILY MX report only all year
INFLChromium, hexavalent [as Cr]DAILY MX report only all year
INFLChromium, total [as Cr]DAILY MX report only all year
INFLCopper, total [as Cu]DAILY MX report only all year
INFLIron, total [as Fe]DAILY MX report only all year
INFLIron, dissolved [as Fe]DAILY MX report only all year
INFLLead, total [as Pb]DAILY MX report only all year
INFLManganese, total [as Mn]DAILY MX report only all year
INFLThallium, total [as Tl]DAILY MX report only all year
INFLNickel, total [as Ni]DAILY MX report only all year
INFLSilver, total [as Ag]DAILY MX report only all year
INFLZinc, total [as Zn]DAILY MX report only all year
INFLAntimony, total [as Sb]DAILY MX report only all year
INFLSelenium, total [as Se]DAILY MX report only all year
INFLPhenolics, total recoverableDAILY MX report only all year
INFLMercury, total [as Hg]DAILY 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