SENECA, VILLAGE OF

NPDES permit IL0022446 · Minor POTW · effective, expires 2028-05-31 · EPA's file as of 2026-09-19

Check this month's numbers before you file

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

3values over a limit
13required values missing, on 4 form(s)
22of 55 forms filed late

Last period with anything received: 2026-07-31. Most often over: Solids, total suspended (2), Coliform, fecal general (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 (40)

OutfallParameterStatisticLimitMonths
001BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 45 mg/L all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedWKLY AVG <= 45 mg/L all year
001Nitrogen, ammonia total [as N]MO AVG report only all year
001Nitrogen, ammonia total [as N]DAILY MX report only all year
001Chlorine, total residualMO AVG <= .75 mg/L all year
001Flow, totalMO TOTAL report only all year
002BOD, 5-day, 20 deg. CDAILY MX report only all year
002Solids, total suspendedDAILY MX report only all year
002Coliform, fecal generalDAILY MX report only all year
002FlowMO TOTAL report only all year
A01BOD, 5-day, 20 deg. CDAILY MX report only all year
A01Solids, total suspendedDAILY MX report only all year
A01Nitrogen, ammonia total [as N]DAILY MX report only all year
A01Coliform, fecal generalDAILY MX <= 400 #/100mL all year
A01Flow, totalMO TOTAL report only all year
B01pHMINIMUM >= 6 SU all year
B01pHMAXIMUM <= 9 SU all year
B01Solids, total suspendedMO AVG <= 30 mg/L all year
B01Solids, total suspendedWKLY AVG <= 45 mg/L all year
B01Solids, total suspendedMO AVG <= 200 lb/d all year
B01Solids, total suspendedWKLY AVG <= 360 lb/d all year
B01Nitrogen, ammonia total [as N]DAILY MX report only all year
B01Nitrogen, ammonia total [as N]DAILY MX report only all year
B01Flow, in conduit or thru treatment plantMO AVG report only all year
B01Flow, in conduit or thru treatment plantDAILY MX report only all year
B01Chlorine, total residualDAILY MX <= .75 mg/L May, Jun, Jul, Aug, Sep, Oct
B01Chlorine, total residualDAILY MX <= .75 mg/L Jan, Feb, Mar, Apr, Nov, Dec
B01Coliform, fecal generalDAILY MX <= 400 #/100mL May, Jun, Jul, Aug, Sep, Oct
B01BOD, carbonaceous [5 day, 20 C]MO AVG <= 25 mg/L all year
B01BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 40 mg/L all year
B01BOD, carbonaceous [5 day, 20 C]MO AVG <= 160 lb/d all year
B01BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 320 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