ODOT Dist 4

NPDES permit OH0092495 · Minor POTW · effective, expires 2028-04-30 · 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

3values over a limit
0required values missing, on 0 form(s)
0of 23 forms filed late

Last period with anything received: 2026-07-31. Most often over: Nitrogen, ammonia total [as N] (3).

Reporting

Reports are due about 20 days after each monitoring period ends (the most common figure among OH permits in EPA's filings — check your permit).

Limits in force (44)

OutfallParameterStatisticLimitMonths
002Oxygen, dissolved [DO]DAILY MN report only all year
002pHDAILY MN >= 6.5 SU all year
002pHDAILY MX <= 9 SU all year
002Solids, total suspendedMO AVG report only all year
002Solids, total suspendedDAILY MX report only all year
002Nitrogen, ammonia total [as N]MO AVG report only May, Jun, Jul, Aug, Sep, Oct
002Nitrogen, ammonia total [as N]DAILY MX report only May, Jun, Jul, Aug, Sep, Oct
002Flow, in conduit or thru treatment plantMO AVG report only all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
588Sludge waste from secondary clarifiersMO AVG report only Dec
588Sludge waste from secondary clarifiersDAILY MX report only Dec
604Temperature, water deg. centigradeMO AVG report only all year
604Temperature, water deg. centigradeDAILY MX report only all year
604Oxygen, dissolved [DO]DAILY MN >= 6 mg/L all year
604pHDAILY MN >= 6.5 SU all year
604pHDAILY MX <= 9 SU all year
604Solids, total suspendedMO AVG <= 12 mg/L all year
604Solids, total suspendedWKLY MAX <= 18 mg/L all year
604Solids, total suspendedMO AVG <= .909 kg/d all year
604Solids, total suspendedWKLY MAX <= 1.37 kg/d all year
604Nitrogen, ammonia total [as N]MO AVG <= 1 mg/L May, Jun, Jul, Aug, Sep, Oct
604Nitrogen, ammonia total [as N]MO AVG <= 3 mg/L Jan, Feb, Mar, Apr, Nov, Dec
604Nitrogen, ammonia total [as N]WKLY MAX <= 1.5 mg/L May, Jun, Jul, Aug, Sep, Oct
604Nitrogen, ammonia total [as N]WKLY MAX <= 4.5 mg/L Jan, Feb, Mar, Apr, Nov, Dec
604Nitrogen, ammonia total [as N]MO AVG <= .0757 kg/d May, Jun, Jul, Aug, Sep, Oct
604Nitrogen, ammonia total [as N]MO AVG <= .228 kg/d Jan, Feb, Mar, Apr, Nov, Dec
604Nitrogen, ammonia total [as N]WKLY MAX <= .114 kg/d May, Jun, Jul, Aug, Sep, Oct
604Nitrogen, ammonia total [as N]WKLY MAX <= .341 kg/d Jan, Feb, Mar, Apr, Nov, Dec
604Nitrogen, Kjeldahl, total [as N]MO AVG report only Mar, Jun, Aug, Dec
604Nitrogen, Kjeldahl, total [as N]DAILY MX report only Mar, Jun, Aug, Dec
604Nitrite + Nitrate total [as N]MO AVG report only Mar, Jun, Aug, Dec
604Nitrite + Nitrate total [as N]DAILY MX report only Mar, Jun, Aug, Dec
604Phosphorus, total [as P]MO AVG report only Mar, Jun, Aug, Dec
604Phosphorus, total [as P]DAILY MX report only Mar, Jun, Aug, Dec
604Turbidity [severity]MO AVG report only all year
604Turbidity [severity]DAILY MX report only all year
604E. coli, MTEC-MFMO GEOMN <= 126 MPN/100mL May, Jun, Jul, Aug, Sep, Oct
604E. coli, MTEC-MFWK GEOMN <= 284 MPN/100mL May, Jun, Jul, Aug, Sep, Oct
604Flow, in conduit or thru treatment plantMO AVG report only all year
604Flow, in conduit or thru treatment plantDAILY MX report only all year
604BOD, carbonaceous [5 day, 20 C]MO AVG <= 10 mg/L all year
604BOD, carbonaceous [5 day, 20 C]WKLY MAX <= 15 mg/L all year
604BOD, carbonaceous [5 day, 20 C]MO AVG <= .757 kg/d all year
604BOD, carbonaceous [5 day, 20 C]WKLY MAX <= 1.14 kg/d 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