TILTON, VILLAGE OF

NPDES permit IL0031429 · Minor POTW · effective, expires 2031-08-31 · EPA's file as of 2026-09-19

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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 36 forms filed late

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

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 (54)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]MO AV MN >= 6 mg/L Jan, Feb, Aug, Sep, Oct, Nov, Dec
001Oxygen, dissolved [DO]MN WK AV >= 4.5 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]DAILY MN >= 4 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
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedWKLY AVG <= 45 mg/L all year
001Solids, total suspendedMO AVG <= 500 lb/d all year
001Solids, total suspendedWKLY AVG <= 751 lb/d all year
001Nitrogen, ammonia total [as N]MO AVG <= 1 mg/L Jun, Jul, Aug
001Nitrogen, ammonia total [as N]MO AVG <= 1.8 mg/L Mar, Apr, May, Sep, Oct
001Nitrogen, ammonia total [as N]MO AVG <= 4 mg/L Jan, Feb, Nov, Dec
001Nitrogen, ammonia total [as N]DAILY MX <= 6.9 mg/L Mar, Apr, May, Sep, Oct
001Nitrogen, ammonia total [as N]DAILY MX <= 5.7 mg/L Jun, Jul, Aug
001Nitrogen, ammonia total [as N]DAILY MX <= 6.3 mg/L Jan, Feb, Nov, Dec
001Nitrogen, ammonia total [as N]MO AVG <= 17 lb/d Jun, Jul, Aug
001Nitrogen, ammonia total [as N]MO AVG <= 30 lb/d Mar, Apr, May, Sep, Oct
001Nitrogen, ammonia total [as N]MO AVG <= 67 lb/d Jan, Feb, Nov, Dec
001Nitrogen, ammonia total [as N]DAILY MX <= 115 lb/d Mar, Apr, May, Sep, Oct
001Nitrogen, ammonia total [as N]DAILY MX <= 95 lb/d Jun, Jul, Aug
001Nitrogen, ammonia total [as N]DAILY MX <= 105 lb/d Jan, Feb, Nov, Dec
001Nitrogen, ammonia total [as N]WKLY AVG <= 4.6 mg/L Mar, Apr, May, Sep, Oct
001Nitrogen, ammonia total [as N]WKLY AVG <= 2.5 mg/L Jun, Jul, Aug
001Nitrogen, ammonia total [as N]WKLY AVG <= 77 lb/d Mar, Apr, May, Sep, Oct
001Nitrogen, ammonia total [as N]WKLY AVG <= 42 lb/d Jun, Jul, Aug
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 residualMO AVG <= .15 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001Chlorine, total residualMO AVG <= .15 mg/L May, Jun, Jul, Aug, Sep, Oct
001Chlorine, total residualDAILY MX <= .3 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001Chlorine, total residualDAILY MX <= .3 mg/L May, Jun, Jul, Aug, Sep, Oct
001Coliform, fecal generalDAILY MX <= 400 #/100mL May, Jun, Jul, Aug, Sep, Oct
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 25 mg/L all year
001BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 40 mg/L all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 417 lb/d all year
001BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 667 lb/d all year
003Oxygen, dissolved [DO]MO AV MN report only all year
003Oxygen, dissolved [DO]MN WK AV report only all year
003Oxygen, dissolved [DO]DAILY MN report only all year
003BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
003BOD, 5-day, 20 deg. CWKLY AVG <= 45 mg/L all year
003pHMINIMUM >= 6 SU all year
003pHMAXIMUM <= 9 SU all year
003Solids, total suspendedMO AVG <= 30 mg/L all year
003Solids, total suspendedWKLY AVG <= 45 mg/L all year
003Chlorine, total residualDAILY MX <= .75 mg/L all year
003Coliform, fecal generalDAILY MX report only all year
003Flow, totalMO TOTAL report only 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