Willard, City of — NPDES permit OH0028118: limits, due date and EPA's record

NPDES permit OH0028118 · Major POTW · administratively continued, expires 2026-06-30 · EPA's file as of 2026-09-19

This permit expired on 2026-06-30 and is administratively continued: its last limits keep applying until a new permit is issued, and EPA still expects the reports.

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

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 (177)

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	>= 5 mg/L	all year
001	Solids, total suspended	MO AVG	<= 12 mg/L	May, Jun, Jul, Aug, Sep, Oct
001	Solids, total suspended	MO AVG	<= 20 mg/L	Jan, Feb, Mar, Apr, Nov, Dec
001	Solids, total suspended	WKLY MAX	<= 18 mg/L	May, Jun, Jul, Aug, Sep, Oct
001	Solids, total suspended	WKLY MAX	<= 30 mg/L	Jan, Feb, Mar, Apr, Nov, Dec
001	Solids, total suspended	MO AVG	<= 204 kg/d	May, Jun, Jul, Aug, Sep, Oct
001	Solids, total suspended	MO AVG	<= 340 kg/d	Jan, Feb, Mar, Apr, Nov, Dec
001	Solids, total suspended	WKLY MAX	<= 306 kg/d	May, Jun, Jul, Aug, Sep, Oct
001	Solids, total suspended	WKLY MAX	<= 511 kg/d	Jan, Feb, Mar, Apr, Nov, Dec
001	Oil and grease, hexane extr method	DAILY MX	<= 10 mg/L	all year
001	Nitrogen, ammonia total [as N]	MO AVG	<= .8 mg/L	May, Jun, Jul, Aug, Sep, Oct
001	Nitrogen, ammonia total [as N]	MO AVG	<= 2.7 mg/L	Jan, Feb, Mar, Apr, Nov, Dec
001	Nitrogen, ammonia total [as N]	WKLY MAX	<= 1.2 mg/L	May, Jun, Jul, Aug, Sep, Oct
001	Nitrogen, ammonia total [as N]	WKLY MAX	<= 4.1 mg/L	Jan, Feb, Mar, Apr, Nov, Dec
001	Nitrogen, ammonia total [as N]	MO AVG	<= 13.6 kg/d	May, Jun, Jul, Aug, Sep, Oct
001	Nitrogen, ammonia total [as N]	MO AVG	<= 46 kg/d	Jan, Feb, Mar, Apr, Nov, Dec
001	Nitrogen, ammonia total [as N]	WKLY MAX	<= 20.4 kg/d	May, Jun, Jul, Aug, Sep, Oct
001	Nitrogen, ammonia total [as N]	WKLY MAX	<= 69.8 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	<= 1 mg/L	all year
001	Phosphorus, total [as P]	WKLY MAX	<= 1.5 mg/L	all year
001	Phosphorus, total [as P]	MO AVG	<= 17 kg/d	all year
001	Phosphorus, total [as P]	WKLY MAX	<= 26 kg/d	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	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	<= 25 ug/L	all year
001	Copper, total recoverable	DAILY MX	<= 42 ug/L	all year
001	Copper, total recoverable	MO AVG	<= .426 kg/d	all year
001	Copper, total recoverable	DAILY MX	<= .716 kg/d	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	Pentachlorophenol	MO AVG	<= 1.6 ug/L	all year
001	Pentachlorophenol	MO AVG	<= .027 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	<= 5.3 ng/L	all year
001	Mercury, total low level	DAILY MX	<= 1700 ng/L	all year
001	Mercury, total low level	MO AVG	<= .00009 kg/d	all year
001	Mercury, total low level	DAILY MX	<= .029 kg/d	all year
001	Cyanide, free available	MO AVG	report only	Mar, Jun, Aug, Dec
001	Cyanide, free available	DAILY MX	report only	Mar, Jun, Aug, Dec
001	Toxicity [acute], Ceriodaphnia dubia	MO AVG	report only	Jun
001	Toxicity [acute], Ceriodaphnia dubia	DAILY MX	report only	Jun
001	Toxicity [chronic], Ceriodaphnia dubia	MO AVG	report only	Jun
001	Toxicity [chronic], Ceriodaphnia dubia	DAILY MX	report only	Jun
001	Toxicity [acute], Pimephales promelas [Fathead Minnow]	DAILY MX	<= .3 tox acute	Jun, Dec
001	Toxicity [chronic], Pimephales promelas [Fathead Minnow]	MO AVG	<= 1 tox chronic	Jun, Dec
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	<= 10 mg/L	May, Jun, Jul, Aug, Sep, Oct
001	BOD, carbonaceous [5 day, 20 C]	MO AVG	<= 15 mg/L	Jan, Feb, Mar, Apr, Nov, Dec
001	BOD, carbonaceous [5 day, 20 C]	WKLY MAX	<= 15 mg/L	May, Jun, Jul, Aug, Sep, Oct
001	BOD, carbonaceous [5 day, 20 C]	WKLY MAX	<= 23 mg/L	Jan, Feb, Mar, Apr, Nov, Dec
001	BOD, carbonaceous [5 day, 20 C]	MO AVG	<= 170 kg/d	May, Jun, Jul, Aug, Sep, Oct
001	BOD, carbonaceous [5 day, 20 C]	MO AVG	<= 255 kg/d	Jan, Feb, Mar, Apr, Nov, Dec
001	BOD, carbonaceous [5 day, 20 C]	WKLY MAX	<= 255 kg/d	May, Jun, Jul, Aug, Sep, Oct
001	BOD, carbonaceous [5 day, 20 C]	WKLY MAX	<= 392 kg/d	Jan, Feb, Mar, Apr, Nov, Dec
007	Overflows	MO AVG	report only	all year
007	Overflows	DAILY MX	report only	all year
007	Overflow volume [SS0 volume, CSO volume]	MO AVG	report only	all year
007	Overflow volume [SS0 volume, CSO volume]	DAILY MX	report only	all year
008	Overflows	MO AVG	report only	all year
008	Overflows	DAILY MX	report only	all year
008	Overflow volume [SS0 volume, CSO volume]	MO AVG	report only	all year
008	Overflow volume [SS0 volume, CSO volume]	DAILY MX	report only	all year
009	Overflows	MO AVG	report only	all year
009	Overflows	DAILY MX	report only	all year
009	Overflow volume [SS0 volume, CSO volume]	MO AVG	report only	all year
009	Overflow volume [SS0 volume, CSO volume]	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	Dec
581	Nitrogen, ammonia in bottom deposits	DAILY MX	report only	Dec
581	Nitrogen, Kjeldahl, total [as N]	MO AVG	report only	Dec
581	Nitrogen, Kjeldahl, total [as N]	DAILY MX	report only	Dec
581	Nitrite plus nitrate in bottom deposits	MO AVG	report only	Dec
581	Nitrite plus nitrate in bottom deposits	DAILY MX	report only	Dec
581	Phosphorous, total, in bottom deposits	MO AVG	report only	Dec
581	Phosphorous, total, in bottom deposits	DAILY MX	report only	Dec
581	Potassium, in bottom deposits	MO AVG	report only	Dec
581	Potassium, in bottom deposits	DAILY MX	report only	Dec
581	Arsenic, dry weight	DAILY MX	<= 75 mg/kg	Dec
581	Cadmium, in bottom deposits [dry wgt]	DAILY MX	<= 85 mg/kg	Dec
581	Copper in bottom deposits [dry wgt]	DAILY MX	<= 4300 mg/kg	Dec
581	Lead, total dry weight [as Pb]	DAILY MX	<= 840 mg/kg	Dec
581	Nickel, tot in bottom deposits [dry wgt]	DAILY MX	<= 420 mg/kg	Dec
581	Zinc in bottom deposits [dry wgt]	DAILY MX	<= 7500 mg/kg	Dec
581	Selenium, dry weight	DAILY MX	<= 100 mg/kg	Dec
581	Fecal coliform	DAILY MX	<= 2000000 MPN/g	Dec
581	Biosolids weight indluding admixtures	MO AVG	report only	Dec
581	Biosolids weight indluding admixtures	DAILY MX	report only	Dec
581	Sludge weight, dry	MO AVG	report only	Dec
581	Sludge weight, dry	DAILY MX	report only	Dec
581	Mercury, tot in bot deposits [dry wgt]	DAILY MX	<= 57 mg/kg	Dec
581	Molybdenum, sludge, total, dry weight [as Mo]	DAILY MX	<= 75 mg/kg	Dec
586	Biosolids weight indluding admixtures	MO AVG	report only	Dec
586	Biosolids weight indluding admixtures	DAILY MX	report only	Dec
601	pH	DAILY MN	report only	all year
601	pH	DAILY MX	report only	all year
601	Solids, total suspended	MO AVG	report only	all year
601	Solids, total suspended	DAILY MX	report only	all year
601	Cyanide, total [as CN]	MO AVG	report only	Mar, Jun, Aug, Dec
601	Cyanide, total [as CN]	DAILY MX	report only	Mar, Jun, Aug, Dec
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	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	Pentachlorophenol	MO AVG	report only	all year
601	Pentachlorophenol	DAILY MX	report only	all year
601	Mercury, total low level	MO AVG	report only	all year
601	Mercury, total low level	DAILY MX	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	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	Jun
801	%Effect Static Renewal 48Hr Acute Ceriodaphnia dubia	DAILY MX	report only	Jun
801	%Effect Static Renewal 96Hr Acute Pimephales promelas	MO AVG	report only	Jun, Dec
801	%Effect Static Renewal 96Hr Acute Pimephales promelas	DAILY MX	report only	Jun, Dec
801	%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia	MO AVG	report only	Jun
801	%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia	DAILY MX	report only	Jun
801	%Effect Static Renewal 7Day Chronic Pimephales promelas	MO AVG	report only	Jun, Dec
801	%Effect Static Renewal 7Day Chronic Pimephales promelas	DAILY MX	report only	Jun, Dec
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