Clermont Co Water Resources Dept — NPDES permit OH0048089: limits, due date and EPA's record

NPDES permit OH0048089 · Major POTW · effective, expires 2026-09-30 · EPA's file as of 2026-09-19

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

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 (172)

Outfall	Parameter	Statistic	Limit	Months
001	Temperature, water deg. centigrade	MO AVG	report only	all year
001	Temperature, water deg. centigrade	DAILY MX	report only	all year
001	Oxygen, dissolved [DO]	DAILY MN	>= 6 mg/L	all year
001	Solids, total suspended	MO AVG	<= 12 mg/L	all year
001	Solids, total suspended	WKLY MAX	<= 18 mg/L	all year
001	Solids, total suspended	MO AVG	<= 200 kg/d	all year
001	Solids, total suspended	WKLY MAX	<= 300 kg/d	all year
001	Oil and grease, hexane extr method	DAILY MX	<= 10 mg/L	all year
001	Nitrogen, ammonia total [as N]	MO AVG	<= .5 mg/L	May, Jun, Jul, Aug, Sep, Oct
001	Nitrogen, ammonia total [as N]	MO AVG	<= 2 mg/L	Jan, Feb, Mar, Apr, Nov, Dec
001	Nitrogen, ammonia total [as N]	WKLY MAX	<= .8 mg/L	May, Jun, Jul, Aug, Sep, Oct
001	Nitrogen, ammonia total [as N]	WKLY MAX	<= 3 mg/L	Jan, Feb, Mar, Apr, Nov, Dec
001	Nitrogen, ammonia total [as N]	MO AVG	<= 8.3 kg/d	May, Jun, Jul, Aug, Sep, Oct
001	Nitrogen, ammonia total [as N]	MO AVG	<= 33 kg/d	Jan, Feb, Mar, Apr, Nov, Dec
001	Nitrogen, ammonia total [as N]	WKLY MAX	<= 13 kg/d	May, Jun, Jul, Aug, Sep, Oct
001	Nitrogen, ammonia total [as N]	WKLY MAX	<= 50 kg/d	Jan, Feb, Mar, Apr, Nov, Dec
001	Nitrogen, Kjeldahl, total [as N]	MO AVG	report only	all year
001	Nitrogen, Kjeldahl, total [as N]	DAILY MX	report only	all year
001	Nitrite + Nitrate total [as N]	MO AVG	report only	all year
001	Nitrite + Nitrate total [as N]	DAILY MX	report only	all year
001	Phosphorus, total [as P]	MO AVG	report only	all year
001	Phosphorus, total [as P]	DAILY MX	report only	all year
001	Phosphate, ortho, dissolved [as P]	MO AVG	report only	all year
001	Phosphate, ortho, dissolved [as P]	DAILY MX	report only	all year
001	Nickel, total recoverable	MO AVG	report only	Mar, Jun, Aug, Dec
001	Nickel, total recoverable	DAILY MX	report only	Mar, Jun, Aug, Dec
001	Silver total recoverable	MO AVG	report only	Mar, Jun, Aug, Dec
001	Silver total recoverable	DAILY MX	report only	Mar, Jun, Aug, Dec
001	Zinc, total recoverable	MO AVG	report only	Mar, Jun, Aug, Dec
001	Zinc, total recoverable	DAILY MX	report only	Mar, Jun, Aug, Dec
001	Cadmium, total recoverable	MO AVG	report only	Mar, Jun, Aug, Dec
001	Cadmium, total recoverable	DAILY MX	report only	Mar, Jun, Aug, Dec
001	Lead, total recoverable	MO AVG	report only	Mar, Jun, Aug, Dec
001	Lead, total recoverable	DAILY MX	report only	Mar, Jun, Aug, Dec
001	Chromium, total recoverable	MO AVG	report only	Mar, Jun, Aug, Dec
001	Chromium, total recoverable	DAILY MX	report only	Mar, Jun, Aug, Dec
001	Copper, total recoverable	MO AVG	report only	all year
001	Copper, total recoverable	DAILY MX	report only	all year
001	Chromium, hexavalent dissolved [as Cr]	MO AVG	report only	Mar, Jun, Aug, Dec
001	Chromium, hexavalent dissolved [as Cr]	DAILY MX	report only	Mar, Jun, Aug, Dec
001	E. coli, MTEC-MF	MO GEOMN	<= 126 MPN/100mL	May, Jun, Jul, Aug, Sep, Oct
001	E. coli, MTEC-MF	WK GEOMN	<= 284 MPN/100mL	May, Jun, Jul, Aug, Sep, Oct
001	Di[2-ethylhexyl] phthalate [DEHP]	MO AVG	<= 8.4 ug/L	all year
001	Di[2-ethylhexyl] phthalate [DEHP]	DAILY MX	<= 1100 ug/L	all year
001	Di[2-ethylhexyl] phthalate [DEHP]	MO AVG	<= .14 kg/d	all year
001	Di[2-ethylhexyl] phthalate [DEHP]	DAILY MX	<= 18.4 kg/d	all year
001	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
001	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
001	Mercury, total low level	MO AVG	report only	Mar, Jun, Aug, Dec
001	Mercury, total low level	DAILY MX	report only	Mar, Jun, Aug, Dec
001	Toxicity [acute], Ceriodaphnia dubia	MO AVG	report only	Aug
001	Toxicity [acute], Ceriodaphnia dubia	DAILY MX	report only	Aug
001	Toxicity [chronic], Ceriodaphnia dubia	MO AVG	report only	Aug
001	Toxicity [chronic], Ceriodaphnia dubia	DAILY MX	report only	Aug
001	Toxicity [acute], Pimephales promelas [Fathead Minnow]	MO AVG	report only	Aug
001	Toxicity [acute], Pimephales promelas [Fathead Minnow]	DAILY MX	report only	Aug
001	Toxicity [chronic], Pimephales promelas [Fathead Minnow]	MO AVG	report only	Aug
001	Toxicity [chronic], Pimephales promelas [Fathead Minnow]	DAILY MX	report only	Aug
001	pH, maximum	DAILY MX	<= 9 SU	all year
001	pH, minimum	DAILY MN	>= 6.5 SU	all year
001	Solids, total dissolved- 180 deg. C	MO AVG	report only	all year
001	Solids, total dissolved- 180 deg. C	DAILY MX	report only	all year
001	BOD, carbonaceous [5 day, 20 C]	MO AVG	<= 8 mg/L	all year
001	BOD, carbonaceous [5 day, 20 C]	WKLY MAX	<= 12 mg/L	all year
001	BOD, carbonaceous [5 day, 20 C]	MO AVG	<= 133 kg/d	all year
001	BOD, carbonaceous [5 day, 20 C]	WKLY MAX	<= 200 kg/d	all year
002	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
002	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
003	Solids, total suspended	MO AVG	report only	all year
003	Solids, total suspended	DAILY MX	report only	all year
003	Bypass Volume	MO AVG	report only	all year
003	Bypass Volume	DAILY MX	report only	all year
003	BOD, carbonaceous [5 day, 20 C]	MO AVG	report only	all year
003	BOD, carbonaceous [5 day, 20 C]	DAILY MX	report only	all year
003	Bypass valve	MO AVG	report only	all year
003	Bypass valve	DAILY MX	report only	all year
003	Bypass of treatment	MO AVG	report only	all year
003	Bypass of treatment	DAILY MX	report only	all year
300	Overflows	MO AVG	report only	all year
300	Overflows	DAILY MX	report only	all year
581	Nitrogen, ammonia in bottom deposits	MO AVG	report only	Mar, Jun, Aug, Dec
581	Nitrogen, ammonia in bottom deposits	DAILY MX	report only	Mar, Jun, Aug, Dec
581	Nitrogen, Kjeldahl, total [as N]	MO AVG	report only	Mar, Jun, Aug, Dec
581	Nitrogen, Kjeldahl, total [as N]	DAILY MX	report only	Mar, Jun, Aug, Dec
581	Phosphorous, total, in bottom deposits	MO AVG	report only	Mar, Jun, Aug, Dec
581	Phosphorous, total, in bottom deposits	DAILY MX	report only	Mar, Jun, Aug, Dec
581	Potassium, in bottom deposits	MO AVG	report only	Mar, Jun, Aug, Dec
581	Potassium, in bottom deposits	DAILY MX	report only	Mar, Jun, Aug, Dec
581	Arsenic, dry weight	DAILY MX	<= 75 mg/kg	Mar, Jun, Aug, Dec
581	Cadmium, in bottom deposits [dry wgt]	DAILY MX	<= 85 mg/kg	Mar, Jun, Aug, Dec
581	Copper in bottom deposits [dry wgt]	DAILY MX	<= 4300 mg/kg	Mar, Jun, Aug, Dec
581	Lead, total dry weight [as Pb]	DAILY MX	<= 840 mg/kg	Mar, Jun, Aug, Dec
581	Nickel, tot in bottom deposits [dry wgt]	DAILY MX	<= 420 mg/kg	Mar, Jun, Aug, Dec
581	Zinc in bottom deposits [dry wgt]	DAILY MX	<= 7500 mg/kg	Mar, Jun, Aug, Dec
581	Selenium, dry weight	DAILY MX	<= 100 mg/kg	Mar, Jun, Aug, Dec
581	Biosolids weight indluding admixtures	MO AVG	report only	Mar, Jun, Aug, Dec
581	Biosolids weight indluding admixtures	DAILY MX	report only	Mar, Jun, Aug, Dec
581	Fecal coliform in sludge, CFU/gram	DAILY MX	<= 2000000 CFU/g	Mar, Jun, Aug, Dec
581	Sludge weight, dry	MO AVG	report only	Mar, Jun, Aug, Dec
581	Sludge weight, dry	DAILY MX	report only	Mar, Jun, Aug, Dec
581	Mercury, tot in bot deposits [dry wgt]	DAILY MX	<= 57 mg/kg	Mar, Jun, Aug, Dec
581	Molybdenum, sludge, total, dry weight [as Mo]	DAILY MX	<= 75 mg/kg	Mar, Jun, Aug, Dec
586	Biosolids weight indluding admixtures	MO AVG	report only	Dec
586	Biosolids weight indluding admixtures	DAILY MX	report only	Dec
588	Sludge weight, dry	MO AVG	report only	Dec
588	Sludge weight, dry	DAILY MX	report only	Dec
601	Solids, total suspended	MO AVG	report only	all year
601	Solids, total suspended	DAILY MX	report only	all year
601	Nickel, total recoverable	MO AVG	report only	Mar, Jun, Aug, Dec
601	Nickel, total recoverable	DAILY MX	report only	Mar, Jun, Aug, Dec
601	Silver total recoverable	MO AVG	report only	Mar, Jun, Aug, Dec
601	Silver total recoverable	DAILY MX	report only	Mar, Jun, Aug, Dec
601	Zinc, total recoverable	MO AVG	report only	Mar, Jun, Aug, Dec
601	Zinc, total recoverable	DAILY MX	report only	Mar, Jun, Aug, Dec
601	Cadmium, total recoverable	MO AVG	report only	Mar, Jun, Aug, Dec
601	Cadmium, total recoverable	DAILY MX	report only	Mar, Jun, Aug, Dec
601	Lead, total recoverable	MO AVG	report only	Mar, Jun, Aug, Dec
601	Lead, total recoverable	DAILY MX	report only	Mar, Jun, Aug, Dec
601	Chromium, total recoverable	MO AVG	report only	Mar, Jun, Aug, Dec
601	Chromium, total recoverable	DAILY MX	report only	Mar, Jun, Aug, Dec
601	Copper, total recoverable	MO AVG	report only	all year
601	Copper, total recoverable	DAILY MX	report only	all year
601	Chromium, hexavalent dissolved [as Cr]	MO AVG	report only	Mar, Jun, Aug, Dec
601	Chromium, hexavalent dissolved [as Cr]	DAILY MX	report only	Mar, Jun, Aug, Dec
601	Di[2-ethylhexyl] phthalate [DEHP]	MO AVG	report only	all year
601	Di[2-ethylhexyl] phthalate [DEHP]	DAILY MX	report only	all year
601	Mercury, total low level	MO AVG	report only	Mar, Jun, Aug, Dec
601	Mercury, total low level	DAILY MX	report only	Mar, Jun, Aug, Dec
601	pH, maximum	DAILY MX	report only	all year
601	pH, minimum	DAILY MN	report only	all year
601	BOD, carbonaceous [5 day, 20 C]	MO AVG	report only	all year
601	BOD, carbonaceous [5 day, 20 C]	DAILY MX	report only	all year
801	Temperature, water deg. centigrade	MO AVG	report only	all year
801	Temperature, water deg. centigrade	DAILY MX	report only	all year
801	Oxygen, dissolved [DO]	DAILY MN	report only	all year
801	pH	DAILY MN	report only	all year
801	pH	DAILY MX	report only	all year
801	Nitrogen, ammonia total [as N]	MO AVG	report only	all year
801	Nitrogen, ammonia total [as N]	DAILY MX	report only	all year
801	Nitrogen, Kjeldahl, total [as N]	MO AVG	report only	all year
801	Nitrogen, Kjeldahl, total [as N]	DAILY MX	report only	all year
801	Nitrite + Nitrate total [as N]	MO AVG	report only	all year
801	Nitrite + Nitrate total [as N]	DAILY MX	report only	all year
801	Phosphorus, total [as P]	MO AVG	report only	all year
801	Phosphorus, total [as P]	DAILY MX	report only	all year
801	E. coli, MTEC-MF	MO GEOMN	report only	Jun, Jul, Aug
801	E. coli, MTEC-MF	DAILY MX	report only	Jun, Jul, Aug
801	%Effect Static Renewal 48Hr Acute Ceriodaphnia dubia	MO AVG	report only	Aug
801	%Effect Static Renewal 48Hr Acute Ceriodaphnia dubia	DAILY MX	report only	Aug
801	%Effect Static Renewal 96Hr Acute Pimephales promelas	MO AVG	report only	Aug
801	%Effect Static Renewal 96Hr Acute Pimephales promelas	DAILY MX	report only	Aug
801	%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia	MO AVG	report only	Aug
801	%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia	DAILY MX	report only	Aug
801	%Effect Static Renewal 7Day Chronic Pimephales promelas	MO AVG	report only	Aug
801	%Effect Static Renewal 7Day Chronic Pimephales promelas	DAILY MX	report only	Aug
901	Temperature, water deg. centigrade	MO AVG	report only	all year
901	Temperature, water deg. centigrade	DAILY MX	report only	all year
901	Oxygen, dissolved [DO]	DAILY MN	report only	all year
901	pH	DAILY MN	report only	all year
901	pH	DAILY MX	report only	all year
901	Nitrogen, ammonia total [as N]	MO AVG	report only	all year
901	Nitrogen, ammonia total [as N]	DAILY MX	report only	all year
901	Nitrogen, Kjeldahl, total [as N]	MO AVG	report only	all year
901	Nitrogen, Kjeldahl, total [as N]	DAILY MX	report only	all year
901	Nitrite + Nitrate total [as N]	MO AVG	report only	all year
901	Nitrite + Nitrate total [as N]	DAILY MX	report only	all year
901	Phosphorus, total [as P]	MO AVG	report only	all year
901	Phosphorus, total [as P]	DAILY MX	report only	all year
901	Hardness, total [as CaCO3]	MO AVG	report only	all year
901	Hardness, total [as CaCO3]	DAILY MX	report only	all year
901	E. coli, MTEC-MF	MO GEOMN	report only	Jun, Jul, Aug
901	E. coli, MTEC-MF	DAILY MX	report only	Jun, Jul, Aug