Marion Co Comm San Eng Dept

NPDES permit OH0036765 · Minor POTW · effective, expires 2027-10-31 · 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

5values over a limit
0required values missing, on 0 form(s)
0of 34 forms filed late

Last period with anything received: 2026-07-31. Most often over: Solids, total suspended (4), pH (1).

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 (63)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeMO AVG report only all year
001Temperature, water deg. centigradeDAILY MX report only all year
001Oxygen, dissolved [DO]DAILY MN >= 5 mg/L all year
001pHDAILY MN >= 6.5 SU all year
001pHDAILY MX <= 9 SU all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedWKLY MAX <= 45 mg/L all year
001Solids, total suspendedMO AVG <= 22.7 kg/d all year
001Solids, total suspendedWKLY MAX <= 34.1 kg/d all year
001Nitrogen, ammonia total [as N]MO AVG report only all year
001Nitrogen, ammonia total [as N]DAILY MX report only all year
001Nitrite + Nitrate total [as N]MO AVG report only all year
001Nitrite + Nitrate total [as N]DAILY MX report only all year
001Phosphorus, total [as P]MO AVG report only all year
001Phosphorus, total [as P]DAILY MX report only all year
001E. coli, MTEC-MFMO GEOMN report only May, Jun, Jul, Aug, Sep, Oct
001E. coli, MTEC-MFDAILY MX report only May, Jun, Jul, Aug, Sep, Oct
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Solids, total dissolved- 180 deg. CMO AVG report only all year
001Solids, total dissolved- 180 deg. CDAILY MX report only all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 25 mg/L all year
001BOD, carbonaceous [5 day, 20 C]WKLY MAX <= 40 mg/L all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 19 kg/d all year
001BOD, carbonaceous [5 day, 20 C]WKLY MAX <= 30.3 kg/d all year
002Temperature, water deg. centigradeMO AVG report only all year
002Temperature, water deg. centigradeDAILY MX report only all year
002Oxygen, dissolved [DO]DAILY MN >= 6 mg/L all year
002pHDAILY MN >= 6.5 SU all year
002pHDAILY MX <= 9 SU all year
002Solids, total suspendedMO AVG <= 12 mg/L all year
002Solids, total suspendedWKLY MAX <= 18 mg/L all year
002Solids, total suspendedMO AVG <= 3.6 kg/d all year
002Solids, total suspendedWKLY MAX <= 5.5 kg/d all year
002Nitrogen, ammonia total [as N]MO AVG <= 1.8 mg/L May, Jun, Jul, Aug, Sep, Oct
002Nitrogen, ammonia total [as N]MO AVG <= 7 mg/L Jan, Feb, Mar, Apr, Nov, Dec
002Nitrogen, ammonia total [as N]WKLY MAX <= 2.7 mg/L May, Jun, Jul, Aug, Sep, Oct
002Nitrogen, ammonia total [as N]WKLY MAX <= 10.5 mg/L Jan, Feb, Mar, Apr, Nov, Dec
002Nitrogen, ammonia total [as N]MO AVG <= .55 kg/d May, Jun, Jul, Aug, Sep, Oct
002Nitrogen, ammonia total [as N]MO AVG <= 2.1 kg/d Jan, Feb, Mar, Apr, Nov, Dec
002Nitrogen, ammonia total [as N]WKLY MAX <= .82 kg/d May, Jun, Jul, Aug, Sep, Oct
002Nitrogen, ammonia total [as N]WKLY MAX <= 3.2 kg/d Jan, Feb, Mar, Apr, Nov, Dec
002Nitrite + Nitrate total [as N]MO AVG report only Mar, Jun, Aug, Dec
002Nitrite + Nitrate total [as N]DAILY MX report only Mar, Jun, Aug, Dec
002Phosphorus, total [as P]MO AVG report only Mar, Jun, Aug, Dec
002Phosphorus, total [as P]DAILY MX report only Mar, Jun, Aug, Dec
002Turbidity [severity]MO AVG report only all year
002Turbidity [severity]DAILY MX report only all year
002E. coli, MTEC-MFMO GEOMN <= 126 MPN/100mL May, Jun, Jul, Aug, Sep, Oct
002E. coli, MTEC-MFWK GEOMN <= 284 MPN/100mL 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
002Chlorine, total residualDAILY MX <= .019 mg/L May, Jun, Jul, Aug, Sep, Oct
002BOD, carbonaceous [5 day, 20 C]MO AVG <= 10 mg/L all year
002BOD, carbonaceous [5 day, 20 C]WKLY MAX <= 15 mg/L all year
002BOD, carbonaceous [5 day, 20 C]MO AVG <= 3 kg/d all year
002BOD, carbonaceous [5 day, 20 C]WKLY MAX <= 4.5 kg/d all year
588Sludge waste from secondary clarifiersMO AVG report only Dec
588Sludge waste from secondary clarifiersDAILY MX report only Dec
901Temperature, water deg. fahrenheitMO AVG report only all year
901Temperature, water deg. fahrenheitDAILY MX report only all year
901pHDAILY MN report only all year
901pHDAILY 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