GRAND RIDGE, VILLAGE OF

NPDES permit IL0079235 · Minor NON-POTW · effective, expires 2027-03-31 · 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

0values over a limit
0required values missing, on 0 form(s)
4of 12 forms filed late

Last period with anything received: 2026-08-31.

Reporting

Reports are due about 15 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (15)

OutfallParameterStatisticLimitMonths
001pHMO MIN >= 6 SU all year
001pHMO MAX <= 9 SU all year
001Solids, total suspended30DA AVG <= 15 mg/L all year
001Solids, total suspendedDAILY MX <= 30 mg/L all year
001Nitrogen, ammonia total [as N]30DA AVG <= 1.1 mg/L May
001Nitrogen, ammonia total [as N]DAILY MX <= 3.2 mg/L May
001Nitrogen, ammonia total [as N]WKLY AVG <= 2.8 mg/L May
001Arsenic, total [as As]30DA AVG <= .25 mg/L May
001Arsenic, total [as As]DAILY MX <= .5 mg/L May
001Iron, total [as Fe]30DA AVG <= 2 mg/L all year
001Iron, total [as Fe]DAILY MX <= 4 mg/L all year
001Manganese, total [as Mn]30DA AVG <= 1 mg/L May
001Manganese, total [as Mn]DAILY MX <= 2 mg/L May
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, 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