Putnam Co Commissioners

NPDES permit OH0102504 · Minor NON-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

3values over a limit
0required values missing, on 0 form(s)
1of 11 forms filed late

Last period with anything received: 2026-07-31. Most often over: Solids, total suspended (3).

Reporting

Reports are due about 20 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (47)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeMO AVG report only all year
001Temperature, water deg. centigradeDAILY MX report only all year
001Color, spectrophoto-metric filterMO AVG report only all year
001Color, spectrophoto-metric filterDAILY MX report only all year
001Oxygen demand, chem. [low level] [COD]MO AVG report only all year
001Oxygen demand, chem. [low level] [COD]DAILY MX report only 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
001Oil and grease, hexane extr methodDAILY MX <= 10 mg/L all year
001Nitrogen, ammonia total [as N]MO AVG <= 2.2 mg/L May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]MO AVG report only Jan, Feb, Mar, Apr, Nov, Dec
001Nitrogen, ammonia total [as N]DAILY MX report only Jan, Feb, Mar, Apr, Nov, Dec
001Phosphorus, total [as P]MO AVG report only all year
001Phosphorus, total [as P]DAILY MX report only all year
001Hardness, total [as CaCO3]MO AVG report only Mar, Jun, Aug, Dec
001Hardness, total [as CaCO3]DAILY MX report only Mar, Jun, Aug, Dec
001Iron, total recoverableMO AVG <= 5146 ug/L all year
001Boron, total [as B]MO AVG report only Mar, Jun, Aug, Dec
001Boron, total [as B]DAILY MX report only Mar, Jun, Aug, Dec
001Zinc, total recoverableMO AVG report only Mar, Jun, Aug, Dec
001Zinc, total recoverableDAILY MX report only Mar, Jun, Aug, Dec
001Cadmium, total recoverableMO AVG report only Mar, Jun, Aug, Dec
001Cadmium, total recoverableDAILY MX report only Mar, Jun, Aug, Dec
001Copper, total recoverableMO AVG report only Mar, Jun, Aug, Dec
001Copper, total recoverableDAILY MX report only Mar, Jun, Aug, Dec
001Turbidity [severity]MO AVG report only all year
001Turbidity [severity]DAILY MX report only all year
001TolueneMO AVG report only Mar, Jun, Aug, Dec
001TolueneDAILY MX report only Mar, Jun, Aug, Dec
001BenzeneMO AVG report only Mar, Jun, Aug, Dec
001BenzeneDAILY MX report only Mar, Jun, Aug, Dec
001EthylbenzeneMO AVG report only Mar, Jun, Aug, Dec
001EthylbenzeneDAILY MX report only Mar, Jun, Aug, Dec
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Toxicity [acute], Ceriodaphnia dubiaMO AVG report only May
001Toxicity [acute], Ceriodaphnia dubiaDAILY MX report only May
001Toxicity [acute], Pimephales promelas [Fathead Minnow]MO AVG report only May
001Toxicity [acute], Pimephales promelas [Fathead Minnow]DAILY MX report only May
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 report only all year
001BOD, carbonaceous [5 day, 20 C]DAILY MX report only all year
001Xylene [mix of m+o+p]MO AVG report only Mar, Jun, Aug, Dec
001Xylene [mix of m+o+p]DAILY MX report only Mar, Jun, Aug, Dec

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