City of Detroit Water and Sewerage Department — NPDES permit MI0022802: limits, due date and EPA's record

NPDES permit MI0022802 · Major POTW · administratively continued, expires 2022-10-01 · EPA's file as of 2026-09-19

This permit expired on 2022-10-01 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

Last period with anything received: 2026-07-31. Most often over: Mercury, total [as Hg] (4), Chlorine, total residual (1), Coliform, fecal general (1).

Reporting

Reports are due about 22 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (301)

Outfall	Parameter	Statistic	Limit	Months
049	Oxygen, dissolved [DO]	DAILY MN	report only	all year
049	pH	DAILY MN	>= 6 SU	all year
049	pH	DAILY MN	>= 6 SU	all year
049	pH	DAILY MX	<= 9 SU	all year
049	pH	DAILY MX	<= 9 SU	all year
049	Solids, total suspended	MO AVG	<= 70 mg/L	all year
049	Solids, total suspended	MO AVG	<= 30 mg/L	all year
049	Solids, total suspended	DAILY MX	report only	all year
049	Solids, total suspended	7 DA AVG	<= 45 mg/L	all year
049	Solids, total suspended	MO AVG	<= 233000 lb/d	all year
049	Solids, total suspended	7 DA AVG	<= 349000 lb/d	all year
049	Oil & Grease	7 DA AVG	<= 15 mg/L	all year
049	Oil & Grease	DAILY MX	report only	all year
049	Nitrogen, ammonia total [as N]	MO AVG	report only	all year
049	Nitrogen, ammonia total [as N]	MO AVG	report only	all year
049	Nitrogen, ammonia total [as N]	MO AVG	report only	all year
049	Nitrogen, ammonia total [as N]	DAILY MX	report only	all year
049	Nitrogen, ammonia total [as N]	DAILY MX	report only	all year
049	Nitrogen, ammonia total [as N]	DAILY MX	report only	all year
049	Nitrogen, ammonia total [as N]	DAILY MX	report only	all year
049	Phosphorus, total [as P]	MO AVG	<= 1.5 mg/L	all year
049	Phosphorus, total [as P]	MO AVG	<= .7 mg/L	all year
049	Phosphorus, total [as P]	DAILY MX	report only	all year
049	Phosphorus, total [as P]	DAILY MX	report only	all year
049	Phosphorus, total [as P]	MO AVG	<= 5400 lb/d	all year
049	Phosphorus, total [as P]	DAILY MX	report only	all year
049	Phosphorus, total [as P]	SINGSAMP	<= .6 mg/L	Oct
049	Phosphorus, total [as P]	SINGSAMP	<= 4600 lb/d	Oct
049	Copper, total [as Cu]	DAILY MX	report only	all year
049	Copper, total [as Cu]	DAILY MX	report only	all year
049	Cyanide [A]	DAILY MX	report only	all year
049	Cyanide [A]	DAILY MX	report only	all year
049	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
049	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
049	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
049	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
049	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
049	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
049	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
049	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
049	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
049	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
049	Chlorine, total residual	DAILY MX	<= .11 mg/L	all year
049	Perfluorooctanoic acid (PFOA)	MO AVG	report only	all year
049	Perfluorooctanoic acid (PFOA)	DAILY MX	report only	all year
049	Perfluorooctanoic acid (PFOA)	MO AVG	report only	all year
049	Perfluorooctanoic acid (PFOA)	DAILY MX	report only	all year
049	Perfluorooctanesulfonate	MO AVG	report only	all year
049	Perfluorooctanesulfonate	DAILY MX	report only	all year
049	Perfluorooctanesulfonate	MO AVG	report only	all year
049	Perfluorooctanesulfonate	DAILY MX	report only	all year
049	Toxicity [acute], Ceriodaphnia dubia	DAILY MX	report only	all year
049	Mercury, total [as Hg]	MO AVG	report only	all year
049	Mercury, total [as Hg]	MO AVG	report only	all year
049	Mercury, total [as Hg]	DAILY MX	report only	all year
049	Mercury, total [as Hg]	DAILY MX	report only	all year
049	Mercury, total [as Hg]	MO AVG	report only	all year
049	Mercury, total [as Hg]	MO AVG	report only	all year
049	Mercury, total [as Hg]	DAILY MX	report only	all year
049	Mercury, total [as Hg]	DAILY MX	report only	all year
049	Mercury, total [as Hg]	1D	<= 25 ng/L	all year
049	Mercury, total [as Hg]	1D	<= 3 ng/L	all year
049	Mercury, total [as Hg]	1D	<= .19 lb/d	all year
049	Mercury, total [as Hg]	1D	<= .023 lb/d	all year
049	Coliform, fecal general	MO GEOMN	<= 200 #/100mL	all year
049	Coliform, fecal general	7 DA GEO	<= 400 #/100mL	all year
049	BOD, carbonaceous [5 day, 20 C]	MO AVG	<= 40 mg/L	all year
049	BOD, carbonaceous [5 day, 20 C]	MO AVG	<= 25 mg/L	all year
049	BOD, carbonaceous [5 day, 20 C]	DAILY MX	report only	all year
049	BOD, carbonaceous [5 day, 20 C]	DAILY MX	report only	all year
049	BOD, carbonaceous [5 day, 20 C]	7 DA AVG	<= 40 mg/L	all year
049	BOD, carbonaceous [5 day, 20 C]	MO AVG	<= 194000 lb/d	all year
049	BOD, carbonaceous [5 day, 20 C]	DAILY MX	report only	all year
049	BOD, carbonaceous [5 day, 20 C]	7 DA AVG	<= 310000 lb/d	all year
049	BOD, carb-5 day, 20 deg C, percent removal	MINIMUM	>= 85 %	all year
049	BOD, carb-5 day, 20 deg C, percent removal	DAILY MN	report only	all year
049	Solids, suspended percent removal	MINIMUM	>= 85 %	all year
049	Solids, suspended percent removal	DAILY MN	report only	all year
050	Oxygen, dissolved [DO]	DAILY MN	= 3 mg/L	all year
050	pH	DAILY MN	>= 6 SU	all year
050	pH	DAILY MX	<= 9 SU	all year
050	Oil & Grease	7 DA AVG	<= 15 mg/L	all year
050	Oil & Grease	DAILY MX	report only	all year
050	Copper, total [as Cu]	DAILY MX	report only	all year
050	Cyanide [A]	DAILY MX	<= 44 ug/L	all year
050	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
050	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
050	Chlorine, total residual	DAILY MX	<= 38 ug/L	all year
050	Coliform, fecal general	MO GEOMN	= 200 #/100mL	all year
050	Coliform, fecal general	7 DA GEO	= 400 #/100mL	all year
101	Oxygen, dissolved [DO]	DAILY MN	report only	all year
101	pH	DAILY MN	report only	all year
101	pH	DAILY MX	report only	all year
101	Solids, total suspended	MO AVG	report only	all year
101	Solids, total suspended	DAILY MX	report only	all year
101	Nitrogen, ammonia total [as N]	MO AVG	report only	all year
101	Nitrogen, ammonia total [as N]	DAILY MX	report only	all year
101	Phosphorus, total [as P]	MO AVG	report only	all year
101	Phosphorus, total [as P]	DAILY MX	report only	all year
101	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
101	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
101	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
101	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
101	Chlorine, total residual	DA	report only	all year
101	Chlorine, total residual	DAILY MX	report only	all year
101	Coliform, fecal general	DAILY MX	<= 1000 #/100mL	Jan, Feb, Mar, Apr, Nov, Dec
101	Coliform, fecal general	DAILY MX	<= 400 #/100mL	May, Jun, Jul, Aug, Sep, Oct
101	BOD, carbonaceous [5 day, 20 C]	MO AVG	report only	all year
101	BOD, carbonaceous [5 day, 20 C]	DAILY MX	report only	all year
102	Oxygen, dissolved [DO]	DAILY MN	report only	all year
102	pH	DAILY MN	report only	all year
102	pH	DAILY MX	report only	all year
102	Solids, total suspended	MO AVG	report only	all year
102	Solids, total suspended	DAILY MX	report only	all year
102	Nitrogen, ammonia total [as N]	MO AVG	report only	all year
102	Nitrogen, ammonia total [as N]	DAILY MX	report only	all year
102	Phosphorus, total [as P]	MO AVG	report only	all year
102	Phosphorus, total [as P]	DAILY MX	report only	all year
102	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
102	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
102	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
102	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
102	Chlorine, total residual	DA	report only	all year
102	Chlorine, total residual	DAILY MX	report only	all year
102	Coliform, fecal general	DAILY MX	<= 400 #/100mL	May, Jun, Jul, Aug, Sep, Oct
102	Coliform, fecal general	DAILY MX	<= 1000 #/100mL	Jan, Feb, Mar, Apr, Nov, Dec
102	BOD, carbonaceous [5 day, 20 C]	MO AVG	report only	all year
102	BOD, carbonaceous [5 day, 20 C]	DAILY MX	report only	all year
103	Oxygen, dissolved [DO]	DAILY MN	report only	all year
103	pH	DAILY MN	report only	all year
103	pH	DAILY MX	report only	all year
103	Solids, total suspended	MO AVG	report only	all year
103	Solids, total suspended	DAILY MX	report only	all year
103	Nitrogen, ammonia total [as N]	MO AVG	report only	all year
103	Nitrogen, ammonia total [as N]	DAILY MX	report only	all year
103	Phosphorus, total [as P]	MO AVG	report only	all year
103	Phosphorus, total [as P]	DAILY MX	report only	all year
103	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
103	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
103	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
103	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
103	Chlorine, total residual	DA	report only	all year
103	Chlorine, total residual	DAILY MX	report only	all year
103	Coliform, fecal general	DAILY MX	<= 1000 #/100mL	Jan, Feb, Mar, Apr, Nov, Dec
103	Coliform, fecal general	DAILY MX	<= 400 #/100mL	May, Jun, Jul, Aug, Sep, Oct
103	BOD, carbonaceous [5 day, 20 C]	MO AVG	report only	all year
103	BOD, carbonaceous [5 day, 20 C]	DAILY MX	report only	all year
104	Oxygen, dissolved [DO]	DAILY MN	report only	all year
104	pH	DAILY MN	report only	all year
104	pH	DAILY MX	report only	all year
104	Solids, total suspended	MO AVG	report only	all year
104	Solids, total suspended	DAILY MX	report only	all year
104	Nitrogen, ammonia total [as N]	MO AVG	report only	all year
104	Nitrogen, ammonia total [as N]	DAILY MX	report only	all year
104	Phosphorus, total [as P]	MO AVG	report only	all year
104	Phosphorus, total [as P]	DAILY MX	report only	all year
104	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
104	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
104	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
104	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
104	Chlorine, total residual	DA	report only	all year
104	Chlorine, total residual	DAILY MX	report only	all year
104	Coliform, fecal general	DAILY MX	<= 400 #/100mL	May, Jun, Jul, Aug, Sep, Oct
104	Coliform, fecal general	DAILY MX	<= 1000 #/100mL	Jan, Feb, Mar, Apr, Nov, Dec
104	BOD, carbonaceous [5 day, 20 C]	MO AVG	report only	all year
104	BOD, carbonaceous [5 day, 20 C]	DAILY MX	report only	all year
105	Oxygen, dissolved [DO]	DAILY MN	report only	all year
105	pH	DAILY MN	report only	all year
105	pH	DAILY MX	report only	all year
105	Solids, total suspended	MO AVG	report only	all year
105	Solids, total suspended	DAILY MX	report only	all year
105	Nitrogen, ammonia total [as N]	MO AVG	report only	all year
105	Nitrogen, ammonia total [as N]	DAILY MX	report only	all year
105	Phosphorus, total [as P]	MO AVG	report only	all year
105	Phosphorus, total [as P]	DAILY MX	report only	all year
105	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
105	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
105	Chlorine, total residual	DA	report only	all year
105	Chlorine, total residual	DAILY MX	report only	all year
105	Coliform, fecal general	DAILY MX	<= 1000 #/100mL	Jan, Feb, Mar, Apr, Nov, Dec
105	Coliform, fecal general	DAILY MX	<= 400 #/100mL	May, Jun, Jul, Aug, Sep, Oct
105	BOD, carbonaceous [5 day, 20 C]	MO AVG	report only	all year
105	BOD, carbonaceous [5 day, 20 C]	DAILY MX	report only	all year
106	Oxygen, dissolved [DO]	DAILY MN	report only	all year
106	pH	DAILY MN	report only	all year
106	pH	DAILY MX	report only	all year
106	Solids, total suspended	MO AVG	report only	all year
106	Solids, total suspended	DAILY MX	report only	all year
106	Nitrogen, ammonia total [as N]	MO AVG	report only	all year
106	Nitrogen, ammonia total [as N]	DAILY MX	report only	all year
106	Phosphorus, total [as P]	MO AVG	report only	all year
106	Phosphorus, total [as P]	DAILY MX	report only	all year
106	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
106	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
106	Chlorine, total residual	DA	report only	all year
106	Chlorine, total residual	DAILY MX	report only	all year
106	Coliform, fecal general	DAILY MX	<= 1000 #/100mL	Jan, Feb, Mar, Apr, Nov, Dec
106	Coliform, fecal general	DAILY MX	<= 400 #/100mL	May, Jun, Jul, Aug, Sep, Oct
106	BOD, carbonaceous [5 day, 20 C]	MO AVG	report only	all year
106	BOD, carbonaceous [5 day, 20 C]	DAILY MX	report only	all year
107	Oxygen, dissolved [DO]	DAILY MN	report only	all year
107	pH	DAILY MN	report only	all year
107	pH	DAILY MX	report only	all year
107	Solids, total suspended	MO AVG	report only	all year
107	Solids, total suspended	DAILY MX	report only	all year
107	Oil & Grease	MO AVG	report only	all year
107	Oil & Grease	DAILY MX	report only	all year
107	Nitrogen, ammonia total [as N]	MO AVG	report only	all year
107	Nitrogen, ammonia total [as N]	DAILY MX	report only	all year
107	Phosphorus, total [as P]	MO AVG	report only	all year
107	Phosphorus, total [as P]	DAILY MX	report only	all year
107	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
107	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
107	Chlorine, total residual	DA	report only	all year
107	Chlorine, total residual	DAILY MX	report only	all year
107	Coliform, fecal general	DAILY MX	<= 1000 #/100mL	Jan, Feb, Mar, Apr, Nov, Dec
107	Coliform, fecal general	DAILY MX	<= 400 #/100mL	May, Jun, Jul, Aug, Sep, Oct
107	BOD, carbonaceous [5 day, 20 C]	MO AVG	report only	all year
107	BOD, carbonaceous [5 day, 20 C]	DAILY MX	report only	all year
108	Oxygen, dissolved [DO]	DAILY MN	report only	all year
108	pH	DAILY MN	report only	all year
108	pH	DAILY MX	report only	all year
108	Solids, total suspended	MO AVG	report only	all year
108	Solids, total suspended	DAILY MX	report only	all year
108	Nitrogen, ammonia total [as N]	MO AVG	report only	all year
108	Nitrogen, ammonia total [as N]	DAILY MX	report only	all year
108	Phosphorus, total [as P]	MO AVG	report only	all year
108	Phosphorus, total [as P]	DAILY MX	report only	all year
108	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
108	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
108	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
108	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
108	Chlorine, total residual	DA	report only	all year
108	Chlorine, total residual	DAILY MX	report only	all year
108	Coliform, fecal general	DAILY MX	<= 400 #/100mL	May, Jun, Jul, Aug, Sep, Oct
108	Coliform, fecal general	DAILY MX	<= 1000 #/100mL	Jan, Feb, Mar, Apr, Nov, Dec
108	BOD, carbonaceous [5 day, 20 C]	MO AVG	report only	all year
108	BOD, carbonaceous [5 day, 20 C]	DAILY MX	report only	all year
109	Oxygen, dissolved [DO]	DAILY MN	report only	all year
109	pH	DAILY MN	report only	all year
109	pH	DAILY MX	report only	all year
109	Solids, total suspended	MO AVG	report only	all year
109	Solids, total suspended	DAILY MX	report only	all year
109	Oil & Grease	MO AVG	report only	all year
109	Oil & Grease	DAILY MX	report only	all year
109	Nitrogen, ammonia total [as N]	MO AVG	report only	all year
109	Nitrogen, ammonia total [as N]	DAILY MX	report only	all year
109	Phosphorus, total [as P]	MO AVG	report only	all year
109	Phosphorus, total [as P]	DAILY MX	report only	all year
109	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
109	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
109	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
109	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
109	Chlorine, total residual	DA	report only	all year
109	Chlorine, total residual	DAILY MX	report only	all year
109	Coliform, fecal general	DAILY MX	<= 1000 #/100mL	Jan, Feb, Mar, Apr, Nov, Dec
109	Coliform, fecal general	DAILY MX	<= 400 #/100mL	May, Jun, Jul, Aug, Sep, Oct
109	BOD, carbonaceous [5 day, 20 C]	MO AVG	report only	all year
109	BOD, carbonaceous [5 day, 20 C]	DAILY MX	report only	all year
SLD	Solids, total	MO MIN	report only	all year
SLD	Solids, total	MO AVG	report only	all year
SLD	Solids, total	MO MAX	report only	all year
SLD	Arsenic, dry weight	MO MIN	report only	all year
SLD	Arsenic, dry weight	MO AVG	report only	all year
SLD	Arsenic, dry weight	MO MAX	<= 75 mg/kg	all year
SLD	Selenium, dry weight	MO MIN	report only	all year
SLD	Selenium, dry weight	MO AVG	report only	all year
SLD	Selenium, dry weight	MO MAX	<= 100 mg/kg	all year
SLD	Copper, dry weight	MO MIN	report only	all year
SLD	Copper, dry weight	MO AVG	report only	all year
SLD	Copper, dry weight	MO MAX	<= 4300 mg/kg	all year
SLD	Cadmium, dry weight	MO MIN	report only	all year
SLD	Cadmium, dry weight	MO AVG	report only	all year
SLD	Cadmium, dry weight	MO MAX	<= 85 mg/kg	all year
SLD	Nitrogen, total Kjeldahl	MO MIN	report only	all year
SLD	Nitrogen, total Kjeldahl	MO AVG	report only	all year
SLD	Nitrogen, total Kjeldahl	MO MAX	report only	all year
SLD	Molybdenum, sludge, total, dry weight [as Mo]	MO MIN	report only	all year
SLD	Molybdenum, sludge, total, dry weight [as Mo]	MO AVG	report only	all year
SLD	Molybdenum, sludge, total, dry weight [as Mo]	MO MAX	<= 75 mg/kg	all year
SLD	Zinc, sludge, total, dry weight [as Zn]	MO MIN	report only	all year
SLD	Zinc, sludge, total, dry weight [as Zn]	MO AVG	report only	all year
SLD	Zinc, sludge, total, dry weight [as Zn]	MO MAX	<= 7500 mg/kg	all year
SLD	Lead, sludge, total, dry weight [as Pb]	MO MIN	report only	all year
SLD	Lead, sludge, total, dry weight [as Pb]	MO AVG	report only	all year
SLD	Lead, sludge, total, dry weight [as Pb]	MO MAX	<= 840 mg/kg	all year
SLD	Nickel, sludge, total, dry weight [as Ni]	MO MIN	report only	all year
SLD	Nickel, sludge, total, dry weight [as Ni]	MO AVG	report only	all year
SLD	Nickel, sludge, total, dry weight [as Ni]	MO MAX	<= 420 mg/kg	all year
SLD	Nitrogen, sludge, total, dry weight [as N]	MO MIN	report only	all year
SLD	Nitrogen, sludge, total, dry weight [as N]	MO AVG	report only	all year
SLD	Nitrogen, sludge, total, dry weight [as N]	MO MAX	report only	all year
SLD	Mercury, sludge, total, dry weight [as Hg]	MO MIN	report only	all year
SLD	Mercury, sludge, total, dry weight [as Hg]	MO AVG	report only	all year
SLD	Mercury, sludge, total, dry weight [as Hg]	MO MAX	<= 57 mg/kg	all year
SLD	Potassium, sludge, total, dry weight [as K]	MO MIN	report only	all year
SLD	Potassium, sludge, total, dry weight [as K]	MO AVG	report only	all year
SLD	Potassium, sludge, total, dry weight [as K]	MO MAX	report only	all year
SLD	Phosphorus, sludge, total, dry weight [as P]	MO MIN	report only	all year
SLD	Phosphorus, sludge, total, dry weight [as P]	MO AVG	report only	all year
SLD	Phosphorus, sludge, total, dry weight [as P]	MO MAX	report only	all year