PowerSouth Energy Cooperative — NPDES permit AL0003671: limits, due date and EPA's record

NPDES permit AL0003671 · Major NON-POTW · effective, expires 2027-02-28 · EPA's file as of 2026-09-19

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

Last period with anything received: 2026-06-30. Most often over: BOD, carbonaceous [5 day, 20 C] (2).

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 (173)

Outfall	Parameter	Statistic	Limit	Months
002	Temperature, water deg. fahrenheit	MO AVG	report only	Apr, May, Jun, Jul, Aug, Sep, Oct
002	Temperature, water deg. fahrenheit	MO AVG	report only	Jan, Feb, Mar, Nov, Dec
002	Temperature, water deg. fahrenheit	DAILY MX	<= 98 deg F	Apr, May, Jun, Jul, Aug, Sep, Oct
002	Temperature, water deg. fahrenheit	DAILY MX	<= 94 deg F	Jan, Feb, Mar, Nov, Dec
002	pH	DAILY MN	>= 6 SU	all year
002	pH	DAILY MX	<= 9 SU	all year
002	Solids, total suspended	MO AVG	<= 18.4 mg/L	all year
002	Solids, total suspended	DAILY MX	<= 45.8 mg/L	all year
002	Oil & Grease	MO AVG	<= 11.1 mg/L	all year
002	Oil & Grease	DAILY MX	<= 16.1 mg/L	all year
002	Nitrogen, ammonia total [as N]	DAILY MX	report only	all year
002	Nitrogen, Kjeldahl, total [as N]	DAILY MX	report only	Apr, May, Jun, Jul, Aug, Sep, Oct
002	Nitrogen, Kjeldahl, total [as N]	DAILY MX	report only	Apr, May, Jun, Jul, Aug, Sep, Oct
002	Nitrite + Nitrate total [as N]	DAILY MX	report only	Apr, May, Jun, Jul, Aug, Sep, Oct
002	Nitrite + Nitrate total [as N]	DAILY MX	report only	Apr, May, Jun, Jul, Aug, Sep, Oct
002	Phosphorus, total [as P]	DAILY MX	report only	Apr, May, Jun, Jul, Aug, Sep, Oct
002	Phosphorus, total [as P]	DAILY MX	report only	Apr, May, Jun, Jul, Aug, Sep, Oct
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	Chlorine, total residual	DAILY MX	<= 1 mg/L	all year
002	E. coli	DAILY MX	report only	all year
002	Toxicity [acute], Ceriodaphnia dubia	DAILY MX	<= 0 pass=0;fail=1	all year
002	Toxicity [acute], Pimephales promelas [Fathead Minnow]	DAILY MX	<= 0 pass=0;fail=1	all year
002	Mercury, total recoverable	MO AVG	<= .012 ug/L	all year
002	Mercury, total recoverable	DAILY MX	<= 2.4 ug/L	all year
002	BOD, carbonaceous [5 day, 20 C]	DAILY MX	report only	all year
003	pH	DAILY MN	report only	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	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
006	Turbidity	MO AVG	report only	all year
006	Turbidity	DAILY MX	report only	all year
006	BOD, 5-day, 20 deg. C	MO AVG	report only	all year
006	BOD, 5-day, 20 deg. C	DAILY MX	report only	all year
006	pH	DAILY MN	>= 6 SU	all year
006	pH	DAILY MX	<= 9 SU	all year
006	Solids, total suspended	MO AVG	<= 30 mg/L	all year
006	Solids, total suspended	DAILY MX	<= 100 mg/L	all year
006	Oil & Grease	MO AVG	<= 15 mg/L	all year
006	Oil & Grease	DAILY MX	<= 20 mg/L	all year
006	Nitrogen, organic total [as N]	MO AVG	report only	Apr, May, Jun, Jul, Aug, Sep, Oct
006	Nitrogen, organic total [as N]	DAILY MX	report only	Apr, May, Jun, Jul, Aug, Sep, Oct
006	Nitrogen, ammonia total [as N]	MO AVG	report only	all year
006	Nitrogen, ammonia total [as N]	DAILY MX	report only	all year
006	Nitrogen, Kjeldahl, total [as N]	MO AVG	report only	Apr, May, Jun, Jul, Aug, Sep, Oct
006	Nitrogen, Kjeldahl, total [as N]	DAILY MX	report only	Apr, May, Jun, Jul, Aug, Sep, Oct
006	Nitrite + Nitrate total [as N]	MO AVG	report only	Apr, May, Jun, Jul, Aug, Sep, Oct
006	Nitrite + Nitrate total [as N]	DAILY MX	report only	Apr, May, Jun, Jul, Aug, Sep, Oct
006	Phosphorus, total [as P]	MO AVG	report only	Apr, May, Jun, Jul, Aug, Sep, Oct
006	Phosphorus, total [as P]	DAILY MX	report only	Apr, May, Jun, Jul, Aug, Sep, Oct
006	Cadmium, total [as Cd]	MO AVG	report only	all year
006	Cadmium, total [as Cd]	DAILY MX	report only	all year
006	Chromium, total [as Cr]	MO AVG	report only	all year
006	Chromium, total [as Cr]	DAILY MX	report only	all year
006	Copper, total [as Cu]	MO AVG	report only	all year
006	Copper, total [as Cu]	DAILY MX	report only	all year
006	Lead, total [as Pb]	MO AVG	report only	all year
006	Lead, total [as Pb]	DAILY MX	report only	all year
006	Nickel, total [as Ni]	MO AVG	report only	all year
006	Nickel, total [as Ni]	DAILY MX	report only	all year
006	Zinc, total [as Zn]	MO AVG	report only	all year
006	Zinc, total [as Zn]	DAILY MX	report only	all year
006	Selenium, total [as Se]	MO AVG	report only	all year
006	Selenium, total [as Se]	DAILY MX	report only	all year
006	Arsenic, trivalent dissolved	MO AVG	report only	all year
006	Arsenic, trivalent dissolved	DAILY MX	report only	all year
006	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
006	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
006	Chlorine, total residual	MO AVG	<= 1 mg/L	all year
006	Chlorine, total residual	DAILY MX	<= 1 mg/L	all year
006	Toxicity [acute], Ceriodaphnia dubia	DAILY MX	<= 0 pass=0;fail=1	all year
006	Toxicity [acute], Pimephales promelas [Fathead Minnow]	DAILY MX	<= 0 pass=0;fail=1	all year
006	Solids, total dissolved	MO AVG	report only	all year
006	Solids, total dissolved	DAILY MX	report only	all year
006	Mercury, total recoverable	MO AVG	<= .012 ug/L	all year
006	Mercury, total recoverable	DAILY MX	<= 2.4 ug/L	all year
006	Iron, total [as Fe]	MO AVG	report only	all year
006	Iron, total [as Fe]	DAILY MX	report only	all year
018	Turbidity	DAILY MX	report only	all year
018	BOD, 5-day, 20 deg. C	DAILY MX	report only	all year
018	pH	DAILY MN	report only	all year
018	pH	DAILY MX	report only	all year
018	Solids, total suspended	DAILY MX	report only	all year
018	Oil & Grease	DAILY MX	<= 15 mg/L	all year
018	Nitrogen, organic total [as N]	DAILY MX	report only	all year
018	Nitrogen, ammonia total [as N]	DAILY MX	report only	all year
018	Nitrogen, Kjeldahl, total [as N]	DAILY MX	report only	all year
018	Nitrite + Nitrate total [as N]	DAILY MX	report only	all year
018	Phosphorus, total [as P]	DAILY MX	report only	all year
018	Arsenic, total [as As]	DAILY MX	report only	all year
018	Cadmium, total [as Cd]	DAILY MX	report only	all year
018	Chromium, total [as Cr]	DAILY MX	report only	all year
018	Copper, total [as Cu]	DAILY MX	report only	all year
018	Lead, total [as Pb]	DAILY MX	report only	all year
018	Nickel, total [as Ni]	DAILY MX	report only	all year
018	Zinc, total [as Zn]	DAILY MX	report only	all year
018	Selenium, total [as Se]	DAILY MX	report only	all year
018	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
018	Solids, total dissolved	DAILY MX	report only	all year
018	Mercury, total [as Hg]	DAILY MX	report only	all year
018	Iron, total [as Fe]	DAILY MX	report only	all year
022	Turbidity	DAILY MX	report only	all year
022	BOD, 5-day, 20 deg. C	DAILY MX	report only	all year
022	pH	DAILY MN	report only	all year
022	pH	DAILY MX	report only	all year
022	Solids, total suspended	DAILY MX	report only	all year
022	Oil & Grease	DAILY MX	<= 15 mg/L	all year
022	Nitrogen, organic total [as N]	DAILY MX	report only	all year
022	Nitrogen, ammonia total [as N]	DAILY MX	report only	all year
022	Nitrogen, Kjeldahl, total [as N]	DAILY MX	report only	all year
022	Nitrite + Nitrate total [as N]	DAILY MX	report only	all year
022	Phosphorus, total [as P]	DAILY MX	report only	all year
022	Arsenic, total [as As]	DAILY MX	report only	all year
022	Cadmium, total [as Cd]	DAILY MX	report only	all year
022	Chromium, total [as Cr]	DAILY MX	report only	all year
022	Copper, total [as Cu]	DAILY MX	report only	all year
022	Lead, total [as Pb]	DAILY MX	report only	all year
022	Nickel, total [as Ni]	DAILY MX	report only	all year
022	Zinc, total [as Zn]	DAILY MX	report only	all year
022	Selenium, total [as Se]	DAILY MX	report only	all year
022	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
022	Solids, total dissolved	DAILY MX	report only	all year
022	Mercury, total [as Hg]	DAILY MX	report only	all year
022	Iron, total [as Fe]	DAILY MX	report only	all year
024	Turbidity	DAILY MX	report only	all year
024	BOD, 5-day, 20 deg. C	DAILY MX	report only	all year
024	pH	DAILY MN	report only	all year
024	pH	DAILY MX	report only	all year
024	Solids, total suspended	DAILY MX	report only	all year
024	Oil & Grease	DAILY MX	<= 15 mg/L	all year
024	Nitrogen, organic total [as N]	DAILY MX	report only	all year
024	Nitrogen, ammonia total [as N]	DAILY MX	report only	all year
024	Nitrogen, Kjeldahl, total [as N]	DAILY MX	report only	all year
024	Nitrite + Nitrate total [as N]	DAILY MX	report only	all year
024	Phosphorus, total [as P]	DAILY MX	report only	all year
024	Arsenic, total [as As]	DAILY MX	report only	all year
024	Cadmium, total [as Cd]	DAILY MX	report only	all year
024	Chromium, total [as Cr]	DAILY MX	report only	all year
024	Copper, total [as Cu]	DAILY MX	report only	all year
024	Lead, total [as Pb]	DAILY MX	report only	all year
024	Nickel, total [as Ni]	DAILY MX	report only	all year
024	Zinc, total [as Zn]	DAILY MX	report only	all year
024	Selenium, total [as Se]	DAILY MX	report only	all year
024	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
024	Solids, total dissolved	DAILY MX	report only	all year
024	Mercury, total [as Hg]	DAILY MX	report only	all year
024	Iron, total [as Fe]	DAILY MX	report only	all year
02C	Solids, total suspended	MO AVG	<= 30 mg/L	all year
02C	Solids, total suspended	DAILY MX	<= 45 mg/L	all year
02C	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
02C	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
02C	BOD, carbonaceous [5 day, 20 C]	MO AVG	<= 25 mg/L	all year
02C	BOD, carbonaceous [5 day, 20 C]	DAILY MX	<= 40 mg/L	all year
02E	Chromium, total [as Cr]	MO AVG	<= .2 mg/L	all year
02E	Chromium, total [as Cr]	DAILY MX	<= .2 mg/L	all year
02E	Zinc, total [as Zn]	MO AVG	<= 1 mg/L	all year
02E	Zinc, total [as Zn]	DAILY MX	<= 1 mg/L	all year
02E	Priority Pollutants	DAILY MX	<= 0 ug/L	all year
02E	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
02E	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
02E	Chlorine, free available	MO AVG	<= .2 mg/L	all year
02E	Chlorine, free available	DAILY MX	<= .5 mg/L	all year
02E	Annual Certification Statement	DAILY MX	<= 0 Y=0;N=1	all year
02E	Chlorination duration	DAILY MX	<= 120 min/d	all year
02G	pH	DAILY MN	>= 6 SU	all year
02G	pH	DAILY MX	<= 10.5 SU	all year
02G	Copper, total [as Cu]	MO AVG	<= 1 mg/L	all year
02G	Copper, total [as Cu]	MO MAX	<= 1 mg/L	all year
02G	Iron, total [as Fe]	MO AVG	<= 1 mg/L	all year
02G	Iron, total [as Fe]	DAILY MX	<= 1 mg/L	all year
02G	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
02H	Annual Certification Statement	DAILY MX	<= 0 Y=0;N=1	all year