PROPHETSTOWN, CITY OF

NPDES permit IL0043061 · Minor POTW · effective, expires 2029-07-31 · 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)
0of 44 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 (22)

OutfallParameterStatisticLimitMonths
001OverflowsMO TOTAL report only all year
002OverflowsMO TOTAL report only all year
003pHMINIMUM >= 6 SU all year
003pHMAXIMUM <= 9 SU all year
003Solids, total suspendedMO AVG <= 37 mg/L all year
003Solids, total suspendedWKLY AVG <= 45 mg/L all year
003Solids, total suspendedMO AVG <= 201 lb/d all year
003Solids, total suspendedWKLY AVG <= 244 lb/d all year
003Nitrogen, ammonia total [as N]DAILY MX report only all year
003Flow, in conduit or thru treatment plantMO AVG report only all year
003Flow, in conduit or thru treatment plantDAILY MX report only all year
003Chlorine, total residualDAILY MX <= .6 mg/L Jan, Feb, Mar, Apr, Nov, Dec
003Chlorine, total residualDAILY MX <= .6 mg/L May, Jun, Jul, Aug, Sep, Oct
003Coliform, fecal generalDAILY MX <= 400 #/100mL May, Jun, Jul, Aug, Sep, Oct
003BOD, carbonaceous [5 day, 20 C]MO AVG <= 25 mg/L all year
003BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 40 mg/L all year
003BOD, carbonaceous [5 day, 20 C]MO AVG <= 136 lb/d all year
003BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 217 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