Pfizer Incorporated — NPDES permit MI0002941: limits, due date and EPA's record

NPDES permit MI0002941 · Major NON-POTW · effective, expires 2027-10-01 · EPA's file as of 2026-09-19

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

Reporting

Reports are due about 21 days after each monitoring period ends (the most common figure among MI permits in EPA's filings — check your permit).

Limits in force (58)

Outfall	Parameter	Statistic	Limit	Months
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 [as Hg]	MO AVG	report only	all year
001	Mercury, total [as Hg]	DAILY MX	report only	all year
001	Mercury, total [as Hg]	MO AVG	report only	all year
001	Mercury, total [as Hg]	DAILY MX	report only	all year
001	Mercury, total [as Hg]	1D	<= 7 ng/L	all year
001	Mercury, total [as Hg]	1D	<= .00011 lb/d	all year
002	Arsenic, total [as As]	DAILY MX	report only	all year
002	Arsenic, total [as As]	DAILY MX	report only	all year
002	Chlorobenzene	DAILY MX	report only	all year
002	Chlorobenzene	DAILY MX	report only	all year
002	Chlordane [tech mix. and metabolites]	DAILY MX	< .03 ug/L	all year
002	Chlordane [tech mix. and metabolites]	DAILY MX	report only	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
002	Mercury, total [as Hg]	MO AVG	report only	all year
002	Mercury, total [as Hg]	DAILY MX	report only	all year
002	Mercury, total [as Hg]	MO AVG	report only	all year
002	Mercury, total [as Hg]	DAILY MX	report only	all year
002	Mercury, total [as Hg]	1D	<= 19 ng/L	all year
002	Mercury, total [as Hg]	1D	<= .000054 lb/d	all year
003	Temperature, water deg. fahrenheit	MO AVG	report only	all year
003	Temperature, water deg. fahrenheit	DAILY MX	report only	all year
003	Oxygen, dissolved [DO]	DAILY MN	>= 3 mg/L	all year
003	pH	DAILY MN	>= 6.5 SU	all year
003	pH	DAILY MX	<= 9 SU	all year
003	Phosphorus, total [as P]	MO AVG	<= .05 mg/L	all year
003	Phosphorus, total [as P]	DAILY MX	report only	all year
003	Phosphorus, total [as P]	MO AVG	<= 8.3 lb/d	all year
003	Phosphorus, total [as P]	DAILY MX	report only	all year
003	Chloride [as Cl]	DAILY MX	report only	all year
003	Chloride [as Cl]	DAILY MX	report only	all year
003	Sulfate, total [as SO4]	DAILY MX	report only	all year
003	Sulfate, total [as SO4]	DAILY MX	report only	all year
003	Arsenic, total [as As]	MO AVG	report only	all year
003	Arsenic, total [as As]	DAILY MX	report only	all year
003	Arsenic, total [as As]	MO AVG	report only	all year
003	Arsenic, total [as As]	DAILY MX	report only	all year
003	Toxicity, choice of species	MO AVG	report only	all year
003	Toxicity, choice of species	VALUE	report only	all year
003	Chlorobenzene	DAILY MX	report only	all year
003	Chlorobenzene	DAILY MX	report only	all year
003	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
003	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
003	Chlorine, total residual	DAILY MX	<= 38 ug/L	all year
003	Toxicity [acute], Ceriodaphnia dubia	DAILY MX	report only	all year
003	Solids, total dissolved	MO AVG	<= 600 mg/L	all year
003	Solids, total dissolved	DAILY MX	<= 750 mg/L	all year
003	Solids, total dissolved	MO AVG	<= 150000 lb/d	all year
003	Solids, total dissolved	DAILY MX	<= 188000 lb/d	all year
003	Mercury, total [as Hg]	MO AVG	report only	all year
003	Mercury, total [as Hg]	DAILY MX	report only	all year
003	Mercury, total [as Hg]	MO AVG	report only	all year
003	Mercury, total [as Hg]	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	Outfall observation,visual, y/n response	VALUE	report only	all year