POET BIOREFINING - ALEXANDRIA LLC — NPDES permit IN0062880: limits, due date and EPA's record

NPDES permit IN0062880 · Minor NON-POTW · effective, expires 2027-07-31 · 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 (read off this permit's own late-day counts in EPA's filings).

Limits in force (75)

Outfall	Parameter	Statistic	Limit	Months
001	Temperature, water deg. fahrenheit	MO AVG	report only	Apr, Nov
001	Temperature, water deg. fahrenheit	MO AVG	report only	Mar
001	Temperature, water deg. fahrenheit	MO AVG	report only	Jan, Feb
001	Temperature, water deg. fahrenheit	MO AVG	report only	May
001	Temperature, water deg. fahrenheit	MO AVG	report only	Jun, Jul, Aug, Sep
001	Temperature, water deg. fahrenheit	MO AVG	report only	Oct
001	Temperature, water deg. fahrenheit	MO AVG	report only	Dec
001	Temperature, water deg. fahrenheit	DAILY MX	<= 73 deg F	Apr, Nov
001	Temperature, water deg. fahrenheit	DAILY MX	<= 63 deg F	Mar
001	Temperature, water deg. fahrenheit	DAILY MX	<= 53 deg F	Jan, Feb
001	Temperature, water deg. fahrenheit	DAILY MX	<= 83 deg F	May
001	Temperature, water deg. fahrenheit	DAILY MX	<= 93 deg F	Jun, Jul, Aug, Sep
001	Temperature, water deg. fahrenheit	DAILY MX	<= 81 deg F	Oct
001	Temperature, water deg. fahrenheit	DAILY MX	<= 60 deg F	Dec
001	pH	DAILY MN	>= 6 SU	all year
001	pH	DAILY MX	<= 9 SU	all year
001	Oil and grease, hexane extr method	DAILY MX	report only	all year
001	Chloride [as Cl]	MO AVG	<= 750 mg/L	all year
001	Chloride [as Cl]	DAILY MX	<= 1290 mg/L	all year
001	Sulfate, total [as SO4]	MO AVG	<= 3500 mg/L	all year
001	Sulfate, total [as SO4]	DAILY MX	<= 6000 mg/L	all year
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	MO AVG	< .06 mg/L	all year
001	Chlorine, total residual	DAILY MX	< .06 mg/L	all year
001	Toxicity [acute], Ceriodaphnia dubia	MAXIMUM	<= 1 tox acute	Jan, Apr, Jul, Oct
001	Toxicity [acute], Ceriodaphnia dubia	MAXIMUM	<= 1 tox acute	Feb, May, Aug, Nov
001	Toxicity [acute], Ceriodaphnia dubia	MAXIMUM	<= 1 tox acute	Feb, May, Aug, Nov
001	Toxicity [chronic], Ceriodaphnia dubia	MAXIMUM	<= 3.4 tox chronic	Jan, Apr, Jul, Oct
001	Toxicity [chronic], Ceriodaphnia dubia	MAXIMUM	<= 3.4 tox chronic	Feb, May, Aug, Nov
001	Toxicity [chronic], Ceriodaphnia dubia	MAXIMUM	<= 3.4 tox chronic	Feb, May, Aug, Nov
001	Toxicity [acute], Pimephales promelas [Fathead Minnow]	MAXIMUM	<= 1 tox acute	Jan, Apr, Jul, Oct
001	Toxicity [acute], Pimephales promelas [Fathead Minnow]	MAXIMUM	<= 1 tox acute	Feb, May, Aug, Nov
001	Toxicity [acute], Pimephales promelas [Fathead Minnow]	MAXIMUM	<= 1 tox acute	Feb, May, Aug, Nov
001	Toxicity [chronic], Pimephales promelas [Fathead Minnow]	MAXIMUM	<= 3.4 tox chronic	Jan, Apr, Jul, Oct
001	Toxicity [chronic], Pimephales promelas [Fathead Minnow]	MAXIMUM	<= 3.4 tox chronic	Feb, May, Aug, Nov
001	Toxicity [chronic], Pimephales promelas [Fathead Minnow]	MAXIMUM	<= 3.4 tox chronic	Feb, May, Aug, Nov
001	Flow, total	MO TOTAL	report only	all year
002	pH	DAILY MN	>= 6 SU	all year
002	pH	DAILY MX	report only	Dec
002	pH	DAILY MX	report only	Dec
002	pH	DAILY MX	<= 9 SU	all year
002	Solids, total suspended	MO AVG	report only	all year
002	Solids, total suspended	DAILY MX	report only	Dec
002	Solids, total suspended	DAILY MX	report only	Dec
002	Solids, total suspended	DAILY MX	report only	all year
002	Oil and grease, hexane extr method	DAILY MX	report only	Dec
002	Oil and grease, hexane extr method	DAILY MX	report only	Dec
002	Nitrogen, Kjeldahl, total [as N]	DAILY MX	report only	Dec
002	Nitrogen, Kjeldahl, total [as N]	DAILY MX	report only	Dec
002	Nitrite + Nitrate total [as N]	DAILY MX	report only	Dec
002	Nitrite + Nitrate total [as N]	DAILY MX	report only	Dec
002	Phosphorus, total [as P]	DAILY MX	report only	Dec
002	Phosphorus, total [as P]	DAILY MX	report only	Dec
002	Chloride [as Cl]	MO AVG	report only	all year
002	Chloride [as Cl]	DAILY MX	report only	Dec
002	Chloride [as Cl]	DAILY MX	report only	Dec
002	Chloride [as Cl]	DAILY MX	report only	all year
002	Sulfate, total [as SO4]	MO AVG	report only	all year
002	Sulfate, total [as SO4]	DAILY MX	report only	Dec
002	Sulfate, total [as SO4]	DAILY MX	report only	Dec
002	Sulfate, total [as SO4]	DAILY MX	report only	all year
002	Zinc, total recoverable	MO AVG	report only	all year
002	Zinc, total recoverable	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	Chlorine, total residual	MO AVG	< .06 mg/L	all year
002	Chlorine, total residual	DAILY MX	< .06 mg/L	all year
002	BOD, carbonaceous [5 day, 20 C]	DAILY MX	report only	Dec
002	BOD, carbonaceous [5 day, 20 C]	DAILY MX	report only	Dec
002	Chemical Oxygen Demand [COD]	DAILY MX	report only	Dec
002	Chemical Oxygen Demand [COD]	DAILY MX	report only	Dec
002	Storm water flow	DAILY MX	report only	Dec
002	Storm water flow	DAILY MX	report only	Dec
002	Flow, total	MO TOTAL	report only	all year