General Electric Company - Huntsville — NPDES permit AL0083321: limits, due date and EPA's record

NPDES permit AL0083321 · Minor NON-POTW · effective, expires 2027-11-30 · EPA's file as of 2026-09-19

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

Reporting

Reports are due about 28 days after each monitoring period ends (the most common figure among AL permits in EPA's filings — check your permit).

Limits in force (42)

Outfall	Parameter	Statistic	Limit	Months
002	Temperature, water deg. fahrenheit	DAILY MX	<= 86 deg F	all year
002	BOD, 5-day, 20 deg. C	DAILY MX	report only	all year
002	pH	DAILY MN	>= 6 SU	all year
002	pH	DAILY MN	report only	all year
002	pH	DAILY MX	<= 8.5 SU	all year
002	pH	DAILY MX	report only	all year
002	Solids, total suspended	DAILY MX	report only	all year
002	Oil & Grease	DAILY MX	<= 15 mg/L	all year
002	Nitrogen, total [as N]	DAILY MX	report only	all year
002	Nitrite + Nitrate total [as N]	DAILY MX	report only	all year
002	Phosphorus, total [as P]	DAILY MX	report only	all year
002	Toluene	DAILY MX	= 8723 ug/L	all year
002	Benzene	DAILY MX	= 15.5 ug/L	all year
002	Ethylbenzene	DAILY MX	= 1244 ug/L	all year
002	Naphthalene	DAILY MX	= 620 ug/L	all year
002	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
002	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
002	Chlorine, total residual	MO AVG	<= .14 mg/L	all year
002	Chlorine, total residual	DAILY MX	<= .23 mg/L	all year
002	Chemical Oxygen Demand [COD]	DAILY MX	report only	all year
002	Xylene [mix of m+o+p]	DAILY MX	report only	all year
003	Temperature, water deg. fahrenheit	DAILY MX	<= 86 deg F	all year
003	BOD, 5-day, 20 deg. C	DAILY MX	report only	all year
003	pH	MO AVG	<= 6 SU	all year
003	pH	DAILY MN	report only	all year
003	pH	DAILY MX	<= 8.5 SU	all year
003	pH	DAILY MX	report only	all year
003	Solids, total suspended	DAILY MX	report only	all year
003	Oil & Grease	DAILY MX	<= 15 mg/L	all year
003	Nitrogen, total [as N]	DAILY MX	report only	all year
003	Nitrite + Nitrate total [as N]	DAILY MX	report only	all year
003	Phosphorus, total [as P]	DAILY MX	report only	all year
003	Toluene	DAILY MX	= 8723 ug/L	all year
003	Benzene	DAILY MX	= 15.5 ug/L	all year
003	Ethylbenzene	DAILY MX	= 1244 ug/L	all year
003	Naphthalene	DAILY MX	= 620 ug/L	all year
003	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
003	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
003	Chlorine, total residual	MO AVG	<= .14 mg/L	all year
003	Chlorine, total residual	DAILY MX	<= .23 mg/L	all year
003	Chemical Oxygen Demand [COD]	DAILY MX	report only	all year
003	Xylene [mix of m+o+p]	DAILY MX	report only	all year