HUNTLEY, VILLAGE OF

NPDES permit IL0070688 · Major POTW · administratively continued, expires 2025-07-31 · EPA's file as of 2026-09-19

Check this month's numbers before you file

This permit expired on 2025-07-31 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)
2of 22 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 (51)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]MO AV MN >= 6 mg/L Jan, Feb, Aug, Sep, Oct, Nov, Dec
001Oxygen, dissolved [DO]MN WK AV >= 6.25 mg/L Mar, Apr, May, Jun, Jul
001Oxygen, dissolved [DO]MN WK AV >= 4.5 mg/L Jan, Feb, Aug, Sep, Oct, Nov, Dec
001Oxygen, dissolved [DO]DAILY MN >= 5 mg/L Mar, Apr, May, Jun, Jul
001Oxygen, dissolved [DO]DAILY MN >= 4 mg/L Jan, Feb, Aug, Sep, Oct, Nov, Dec
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedMO AVG <= 12 mg/L all year
001Solids, total suspendedDAILY MX <= 24 mg/L all year
001Solids, total suspendedMO AVG <= 651 lb/d all year
001Solids, total suspendedDAILY MX <= 1301 lb/d all year
001Nitrogen, total [as N]MO AVG report only all year
001Nitrogen, total [as N]DAILY MX report only all year
001Nitrogen, ammonia total [as N]MO AVG <= 1.2 mg/L Apr, May, Sep, Oct
001Nitrogen, ammonia total [as N]MO AVG <= 1.2 mg/L Jun, Jul, Aug
001Nitrogen, ammonia total [as N]MO AVG <= 1.5 mg/L Jan, Feb, Nov, Dec
001Nitrogen, ammonia total [as N]MO AVG <= 1.5 mg/L Mar
001Nitrogen, ammonia total [as N]DAILY MX <= 4.7 mg/L Apr, May, Sep, Oct
001Nitrogen, ammonia total [as N]DAILY MX <= 4.7 mg/L Jun, Jul, Aug
001Nitrogen, ammonia total [as N]DAILY MX <= 5.1 mg/L Jan, Feb, Nov, Dec
001Nitrogen, ammonia total [as N]DAILY MX <= 4.7 mg/L Mar
001Nitrogen, ammonia total [as N]MO AVG <= 65 lb/d Apr, May, Sep, Oct
001Nitrogen, ammonia total [as N]MO AVG <= 65 lb/d Jun, Jul, Aug
001Nitrogen, ammonia total [as N]MO AVG <= 81 lb/d Jan, Feb, Nov, Dec
001Nitrogen, ammonia total [as N]MO AVG <= 81 lb/d Mar
001Nitrogen, ammonia total [as N]DAILY MX <= 255 lb/d Apr, May, Sep, Oct
001Nitrogen, ammonia total [as N]DAILY MX <= 255 lb/d Jun, Jul, Aug
001Nitrogen, ammonia total [as N]DAILY MX <= 276 lb/d Jan, Feb, Nov, Dec
001Nitrogen, ammonia total [as N]DAILY MX <= 255 lb/d Mar
001Nitrogen, ammonia total [as N]WKLY AVG <= 3.8 mg/L Apr, May, Sep, Oct
001Nitrogen, ammonia total [as N]WKLY AVG <= 3.5 mg/L Jun, Jul, Aug
001Nitrogen, ammonia total [as N]WKLY AVG <= 3.8 mg/L Mar
001Nitrogen, ammonia total [as N]WKLY AVG <= 206 lb/d Apr, May, Sep, Oct
001Nitrogen, ammonia total [as N]WKLY AVG <= 190 lb/d Jun, Jul, Aug
001Nitrogen, ammonia total [as N]WKLY AVG <= 206 lb/d Mar
001Phosphorus, total [as P]MO AVG <= 1 mg/L all year
001Phosphorus, total [as P]MO AVG <= 54 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 <= .038 mg/L all year
001Coliform, fecal generalDAILY MX <= 400 #/100mL 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 <= 542 lb/d all year
001BOD, carbonaceous [5 day, 20 C]DAILY MX <= 1084 lb/d all year
INFBOD, 5-day, 20 deg. CMO AVG report only all year
INFSolids, total suspendedMO AVG report only all year
INFPhosphorus, total [as P]MO AVG 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

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