City of Toledo — NPDES permit OH0027740: limits, due date and EPA's record

NPDES permit OH0027740 · Major POTW · effective, expires 2029-01-31 · 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: pH, maximum (2).

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 (302)

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	<= 25 mg/L	all year
001	Solids, total suspended	WKLY MAX	<= 40 mg/L	all year
001	Solids, total suspended	MO AVG	<= 12300 kg/d	all year
001	Solids, total suspended	WKLY MAX	<= 19700 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	<= 1.7 mg/L	Jun, Jul, Aug, Sep
001	Nitrogen, ammonia total [as N]	MO AVG	<= 2.4 mg/L	Mar, Apr, May, Oct, Nov
001	Nitrogen, ammonia total [as N]	MO AVG	<= 6.8 mg/L	Jan, Feb, Dec
001	Nitrogen, ammonia total [as N]	WKLY MAX	<= 2.6 mg/L	Jun, Jul, Aug, Sep
001	Nitrogen, ammonia total [as N]	WKLY MAX	<= 3.6 mg/L	Mar, Apr, May, Oct, Nov
001	Nitrogen, ammonia total [as N]	WKLY MAX	<= 10.2 mg/L	Jan, Feb, Dec
001	Nitrogen, ammonia total [as N]	MO AVG	<= 840 kg/d	Jun, Jul, Aug, Sep
001	Nitrogen, ammonia total [as N]	MO AVG	<= 1190 kg/d	Mar, Apr, May, Oct, Nov
001	Nitrogen, ammonia total [as N]	MO AVG	<= 3350 kg/d	Jan, Feb, Dec
001	Nitrogen, ammonia total [as N]	WKLY MAX	<= 1280 kg/d	Jun, Jul, Aug, Sep
001	Nitrogen, ammonia total [as N]	WKLY MAX	<= 1780 kg/d	Mar, Apr, May, Oct, Nov
001	Nitrogen, ammonia total [as N]	WKLY MAX	<= 5020 kg/d	Jan, Feb, 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	<= 493 kg/d	all year
001	Phosphorus, total [as P]	WKLY MAX	<= 740 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	all year
001	Nickel, total recoverable	DAILY MX	report only	all year
001	Zinc, total recoverable	MO AVG	report only	all year
001	Zinc, total recoverable	DAILY MX	report only	all year
001	Cadmium, total recoverable	MO AVG	report only	all year
001	Cadmium, total recoverable	DAILY MX	report only	all year
001	Lead, total recoverable	MO AVG	report only	all year
001	Lead, total recoverable	DAILY MX	report only	all year
001	Chromium, total recoverable	MO AVG	report only	all year
001	Chromium, total recoverable	DAILY MX	report only	all year
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	all year
001	Chromium, hexavalent dissolved [as Cr]	DAILY MX	report only	all year
001	E. coli, MTEC-MF	MO GEOMN	<= 126 MPN/100mL	Apr, May, Jun, Jul, Aug, Sep, Oct
001	E. coli, MTEC-MF	WK GEOMN	<= 284 MPN/100mL	Apr, May, Jun, Jul, Aug, Sep, Oct
001	2,4,6-Trichlorophenol	MO AVG	report only	Jun, Dec
001	2,4,6-Trichlorophenol	DAILY MX	report only	Jun, Dec
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	Chlorine, total residual	DAILY MX	<= .028 mg/L	Apr, May, Jun, Jul, Aug, Sep, Oct
001	Mercury, total low level	MO AVG	<= 3.9 ng/L	all year
001	Mercury, total low level	DAILY MX	<= 1700 ng/L	all year
001	Mercury, total low level	MO AVG	<= .0019 kg/d	all year
001	Mercury, total low level	DAILY MX	<= .84 kg/d	all year
001	Cyanide, free available	MO AVG	report only	all year
001	Cyanide, free available	DAILY MX	report only	all year
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]	MO AVG	report only	Jun
001	Toxicity [acute], Pimephales promelas [Fathead Minnow]	DAILY MX	report only	Jun
001	Toxicity [chronic], Pimephales promelas [Fathead Minnow]	MO AVG	report only	Jun
001	Toxicity [chronic], Pimephales promelas [Fathead Minnow]	DAILY MX	report only	Jun
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	<= 25 mg/L	all year
001	BOD, carbonaceous [5 day, 20 C]	WKLY MAX	<= 40 mg/L	all year
001	BOD, carbonaceous [5 day, 20 C]	MO AVG	<= 12300 kg/d	all year
001	BOD, carbonaceous [5 day, 20 C]	WKLY MAX	<= 19700 kg/d	all year
002	Solids, total suspended	MO AVG	report only	all year
002	Solids, total suspended	DAILY MX	report only	all year
002	Bypass Volume	MO AVG	report only	all year
002	Bypass Volume	DAILY MX	report only	all year
002	BOD, carbonaceous [5 day, 20 C]	MO AVG	report only	all year
002	BOD, carbonaceous [5 day, 20 C]	DAILY MX	report only	all year
002	Bypass valve	MO AVG	report only	all year
002	Bypass valve	DAILY MX	report only	all year
002	Bypass of treatment	MO AVG	report only	all year
002	Bypass of treatment	DAILY MX	report only	all year
004	Overflows	MO AVG	report only	all year
004	Overflows	DAILY MX	report only	all year
004	Overflow volume [SS0 volume, CSO volume]	MO AVG	report only	all year
004	Overflow volume [SS0 volume, CSO volume]	DAILY MX	report only	all year
005	Overflows	MO AVG	report only	all year
005	Overflows	DAILY MX	report only	all year
005	Overflow volume [SS0 volume, CSO volume]	MO AVG	report only	all year
005	Overflow volume [SS0 volume, CSO volume]	DAILY MX	report only	all year
006	Overflow volume [SS0 volume, CSO volume]	MO AVG	report only	all year
006	Overflow volume [SS0 volume, CSO volume]	DAILY MX	report only	all year
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	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
011	Overflows	MO AVG	report only	all year
011	Overflows	DAILY MX	report only	all year
011	Overflow volume [SS0 volume, CSO volume]	MO AVG	report only	all year
011	Overflow volume [SS0 volume, CSO volume]	DAILY MX	report only	all year
023	Overflows	MO AVG	report only	all year
023	Overflows	DAILY MX	report only	all year
023	Overflow volume [SS0 volume, CSO volume]	MO AVG	report only	all year
023	Overflow volume [SS0 volume, CSO volume]	DAILY MX	report only	all year
027	Overflows	MO AVG	report only	all year
027	Overflows	DAILY MX	report only	all year
027	Overflow volume [SS0 volume, CSO volume]	MO AVG	report only	all year
027	Overflow volume [SS0 volume, CSO volume]	DAILY MX	report only	all year
028	Overflows	MO AVG	report only	all year
028	Overflows	DAILY MX	report only	all year
028	Overflow volume [SS0 volume, CSO volume]	MO AVG	report only	all year
028	Overflow volume [SS0 volume, CSO volume]	DAILY MX	report only	all year
029	Overflows	MO AVG	report only	all year
029	Overflows	DAILY MX	report only	all year
029	Overflow volume [SS0 volume, CSO volume]	MO AVG	report only	all year
029	Overflow volume [SS0 volume, CSO volume]	DAILY MX	report only	all year
030	Overflows	MO AVG	report only	all year
030	Overflows	DAILY MX	report only	all year
030	Overflow volume [SS0 volume, CSO volume]	MO AVG	report only	all year
030	Overflow volume [SS0 volume, CSO volume]	DAILY MX	report only	all year
031	Overflows	MO AVG	report only	all year
031	Overflows	DAILY MX	report only	all year
031	Overflow volume [SS0 volume, CSO volume]	MO AVG	report only	all year
031	Overflow volume [SS0 volume, CSO volume]	DAILY MX	report only	all year
033	Overflows	MO AVG	report only	all year
033	Overflows	DAILY MX	report only	all year
033	Overflow volume [SS0 volume, CSO volume]	MO AVG	report only	all year
033	Overflow volume [SS0 volume, CSO volume]	DAILY MX	report only	all year
042	Overflows	MO AVG	report only	all year
042	Overflows	DAILY MX	report only	all year
042	Overflow volume [SS0 volume, CSO volume]	MO AVG	report only	all year
042	Overflow volume [SS0 volume, CSO volume]	DAILY MX	report only	all year
043	Overflows	MO AVG	report only	all year
043	Overflows	DAILY MX	report only	all year
043	Overflow volume [SS0 volume, CSO volume]	MO AVG	report only	all year
043	Overflow volume [SS0 volume, CSO volume]	DAILY MX	report only	all year
045	Overflows	MO AVG	report only	all year
045	Overflows	DAILY MX	report only	all year
045	Overflow volume [SS0 volume, CSO volume]	MO AVG	report only	all year
045	Overflow volume [SS0 volume, CSO volume]	DAILY MX	report only	all year
046	Overflows	MO AVG	report only	all year
046	Overflows	DAILY MX	report only	all year
046	Overflow volume [SS0 volume, CSO volume]	MO AVG	report only	all year
046	Overflow volume [SS0 volume, CSO volume]	DAILY MX	report only	all year
047	Overflows	MO AVG	report only	all year
047	Overflows	DAILY MX	report only	all year
047	Overflow volume [SS0 volume, CSO volume]	MO AVG	report only	all year
047	Overflow volume [SS0 volume, CSO volume]	DAILY MX	report only	all year
048	Overflows	MO AVG	report only	all year
048	Overflows	DAILY MX	report only	all year
048	Overflow volume [SS0 volume, CSO volume]	MO AVG	report only	all year
048	Overflow volume [SS0 volume, CSO volume]	DAILY MX	report only	all year
061	Overflows	MO AVG	report only	all year
061	Overflows	DAILY MX	report only	all year
061	Overflow volume [SS0 volume, CSO volume]	MO AVG	report only	all year
061	Overflow volume [SS0 volume, CSO volume]	DAILY MX	report only	all year
062	Overflows	MO AVG	report only	all year
062	Overflows	DAILY MX	report only	all year
062	Overflow volume [SS0 volume, CSO volume]	MO AVG	report only	all year
062	Overflow volume [SS0 volume, CSO volume]	DAILY MX	report only	all year
065	Overflows	MO AVG	report only	all year
065	Overflows	DAILY MX	report only	all year
065	Overflow volume [SS0 volume, CSO volume]	MO AVG	report only	all year
065	Overflow volume [SS0 volume, CSO volume]	DAILY MX	report only	all year
068	Overflows	MO AVG	report only	all year
068	Overflows	DAILY MX	report only	all year
068	Overflow volume [SS0 volume, CSO volume]	MO AVG	report only	all year
068	Overflow volume [SS0 volume, CSO volume]	DAILY MX	report only	all year
069	Overflows	MO AVG	report only	all year
069	Overflows	DAILY MX	report only	all year
069	Overflow volume [SS0 volume, CSO volume]	MO AVG	report only	all year
069	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	all year
581	Nitrogen, ammonia in bottom deposits	DAILY MX	report only	all year
581	Nitrogen, Kjeldahl, total [as N]	MO AVG	report only	all year
581	Nitrogen, Kjeldahl, total [as N]	DAILY MX	report only	all year
581	Phosphorous, total, in bottom deposits	MO AVG	report only	all year
581	Phosphorous, total, in bottom deposits	DAILY MX	report only	all year
581	Potassium, in bottom deposits	MO AVG	report only	all year
581	Potassium, in bottom deposits	DAILY MX	report only	all year
581	Arsenic, dry weight	DAILY MX	<= 75 mg/kg	all year
581	Cadmium, in bottom deposits [dry wgt]	DAILY MX	<= 85 mg/kg	all year
581	Copper in bottom deposits [dry wgt]	DAILY MX	<= 4300 mg/kg	all year
581	Lead, total dry weight [as Pb]	DAILY MX	<= 840 mg/kg	all year
581	Nickel, tot in bottom deposits [dry wgt]	DAILY MX	<= 420 mg/kg	all year
581	Zinc in bottom deposits [dry wgt]	DAILY MX	<= 7500 mg/kg	all year
581	Selenium, dry weight	DAILY MX	<= 100 mg/kg	all year
581	Biosolids weight indluding admixtures	MO AVG	report only	all year
581	Biosolids weight indluding admixtures	DAILY MX	report only	all year
581	Sludge weight, dry	MO AVG	report only	all year
581	Sludge weight, dry	DAILY MX	report only	all year
581	Mercury, tot in bot deposits [dry wgt]	DAILY MX	<= 57 mg/kg	all year
581	Molybdenum, sludge, total, dry weight [as Mo]	DAILY MX	<= 75 mg/kg	all year
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	Temperature, water deg. centigrade	MO AVG	report only	all year
601	Temperature, water deg. centigrade	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	Phosphorus, total [as P]	MO AVG	report only	all year
601	Phosphorus, total [as P]	DAILY MX	report only	all year
601	Cyanide, total [as CN]	MO AVG	report only	all year
601	Cyanide, total [as CN]	DAILY MX	report only	all year
601	Nickel, total recoverable	MO AVG	report only	all year
601	Nickel, total recoverable	DAILY MX	report only	all year
601	Zinc, total recoverable	MO AVG	report only	all year
601	Zinc, total recoverable	DAILY MX	report only	all year
601	Cadmium, total recoverable	MO AVG	report only	all year
601	Cadmium, total recoverable	DAILY MX	report only	all year
601	Lead, total recoverable	MO AVG	report only	all year
601	Lead, total recoverable	DAILY MX	report only	all year
601	Chromium, total recoverable	MO AVG	report only	all year
601	Chromium, total recoverable	DAILY MX	report only	all year
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	all year
601	Chromium, hexavalent dissolved [as Cr]	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	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
602	Solids, total suspended	MO AVG	report only	all year
602	Solids, total suspended	DAILY MX	report only	all year
602	Nitrogen, ammonia total [as N]	MO AVG	report only	all year
602	Nitrogen, ammonia total [as N]	DAILY MX	report only	all year
602	Phosphorus, total [as P]	MO AVG	report only	all year
602	Phosphorus, total [as P]	DAILY MX	report only	all year
602	E. coli, MTEC-MF	MO GEOMN	report only	all year
602	E. coli, MTEC-MF	DAILY MX	report only	all year
602	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
602	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
602	pH, maximum	DAILY MX	report only	all year
602	pH, minimum	DAILY MN	report only	all year
602	BOD, carbonaceous [5 day, 20 C]	MO AVG	report only	all year
602	BOD, carbonaceous [5 day, 20 C]	DAILY MX	report only	all year
603	Solids, total suspended	MO AVG	report only	all year
603	Solids, total suspended	DAILY MX	report only	all year
603	Nitrogen, ammonia total [as N]	MO AVG	report only	all year
603	Nitrogen, ammonia total [as N]	DAILY MX	report only	all year
603	Phosphorus, total [as P]	MO AVG	report only	all year
603	Phosphorus, total [as P]	DAILY MX	report only	all year
603	E. coli, MTEC-MF	MO GEOMN	report only	all year
603	E. coli, MTEC-MF	DAILY MX	report only	all year
603	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
603	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
603	BOD, carbonaceous [5 day, 20 C]	MO AVG	report only	all year
603	BOD, carbonaceous [5 day, 20 C]	DAILY MX	report only	all year
603	Bypass valve	MO AVG	report only	all year
603	Bypass valve	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	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
801	%Effect Static Renewal 96Hr Acute Pimephales promelas	DAILY MX	report only	Jun
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
801	%Effect Static Renewal 7Day Chronic Pimephales promelas	DAILY MX	report only	Jun
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	Apr, May, Jun, Jul, Aug, Sep, Oct
901	E. coli, MTEC-MF	DAILY MX	report only	Apr, May, Jun, Jul, Aug, Sep, Oct