GREEN PLAINS MOUNT VERNON LLC — NPDES permit IN0063096: limits, due date and EPA's record

NPDES permit IN0063096 · Minor NON-POTW · effective, expires 2029-07-31 · 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 (110)

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	Oxygen, dissolved [DO]	DAILY MN	>= 5 mg/L	all year
001	pH	DAILY MN	>= 6 SU	all year
001	pH	DAILY MX	<= 9 SU	all year
001	pH	SX	report only	Jun, Dec
001	pH	SX	report only	Jun, Dec
001	Solids, total suspended	SX	report only	Jun, Dec
001	Solids, total suspended	SX	report only	Jun, Dec
001	Oil and grease, hexane extr method	MO AVG	report only	all year
001	Oil and grease, hexane extr method	DAILY MX	report only	all year
001	Oil and grease, hexane extr method	SX	report only	Jun, Dec
001	Oil and grease, hexane extr method	SX	report only	Jun, Dec
001	Nitrogen, ammonia total [as N]	MO AVG	report only	all year
001	Nitrogen, ammonia total [as N]	DAILY MX	report only	all year
001	Nitrogen, Kjeldahl, total [as N]	SX	report only	Jun, Dec
001	Nitrogen, Kjeldahl, total [as N]	SX	report only	Jun, Dec
001	Nitrite + Nitrate total [as N]	SX	report only	Jun, Dec
001	Nitrite + Nitrate total [as N]	SX	report only	Jun, Dec
001	Phosphorus, total [as P]	SX	report only	Jun, Dec
001	Phosphorus, total [as P]	SX	report only	Jun, Dec
001	Hardness, total [as CaCO3]	MO AVG	report only	all year
001	Hardness, total [as CaCO3]	DAILY MX	report only	all year
001	Chloride [as Cl]	MO AVG	<= 218 mg/L	all year
001	Chloride [as Cl]	DAILY MX	<= 378 mg/L	all year
001	Sulfate, total [as SO4]	MO AVG	<= 948 mg/L	all year
001	Sulfate, total [as SO4]	DAILY MX	<= 1643 mg/L	all year
001	Iron, total recoverable	MO AVG	<= 2.4 mg/L	all year
001	Iron, total recoverable	DAILY MX	<= 4.1 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	Solids, total dissolved	MO AVG	report only	all year
001	Solids, total dissolved	DAILY MX	report only	all year
001	Solids, total dissolved	MO AVG	report only	all year
001	Solids, total dissolved	DAILY MX	report only	all year
001	BOD, carbonaceous [5 day, 20 C]	SX	report only	Jun, Dec
001	BOD, carbonaceous [5 day, 20 C]	SX	report only	Jun, Dec
001	Chemical Oxygen Demand [COD]	SX	report only	Jun, Dec
001	Chemical Oxygen Demand [COD]	SX	report only	Jun, Dec
001	Storm water flow	SX	report only	Jun, Dec
001	Storm water flow	SX	report only	Jun, Dec
001	Flow, total	MO TOTAL	report only	all year
002	pH	SX	report only	Jun, Dec
002	pH	SX	report only	Jun, Dec
002	Solids, total suspended	SX	report only	Jun, Dec
002	Solids, total suspended	SX	report only	Jun, Dec
002	Oil and grease, hexane extr method	SX	report only	Jun, Dec
002	Oil and grease, hexane extr method	SX	report only	Jun, Dec
002	Nitrogen, Kjeldahl, total [as N]	SX	report only	Jun, Dec
002	Nitrogen, Kjeldahl, total [as N]	SX	report only	Jun, Dec
002	Nitrite + Nitrate total [as N]	SX	report only	Jun, Dec
002	Nitrite + Nitrate total [as N]	SX	report only	Jun, Dec
002	Phosphorus, total [as P]	SX	report only	Jun, Dec
002	Phosphorus, total [as P]	SX	report only	Jun, Dec
002	BOD, carbonaceous [5 day, 20 C]	SX	report only	Jun, Dec
002	BOD, carbonaceous [5 day, 20 C]	SX	report only	Jun, Dec
002	Chemical Oxygen Demand [COD]	SX	report only	Jun, Dec
002	Chemical Oxygen Demand [COD]	SX	report only	Jun, Dec
002	Storm water flow	SX	report only	Jun, Dec
002	Storm water flow	SX	report only	Jun, Dec
003	pH	SX	report only	Jun, Dec
003	pH	SX	report only	Jun, Dec
003	Solids, total suspended	SX	report only	Jun, Dec
003	Solids, total suspended	SX	report only	Jun, Dec
003	Oil and grease, hexane extr method	SX	report only	Jun, Dec
003	Oil and grease, hexane extr method	SX	report only	Jun, Dec
003	Nitrogen, Kjeldahl, total [as N]	SX	report only	Jun, Dec
003	Nitrogen, Kjeldahl, total [as N]	SX	report only	Jun, Dec
003	Nitrite + Nitrate total [as N]	SX	report only	Jun, Dec
003	Nitrite + Nitrate total [as N]	SX	report only	Jun, Dec
003	Phosphorus, total [as P]	SX	report only	Jun, Dec
003	Phosphorus, total [as P]	SX	report only	Jun, Dec
003	BOD, carbonaceous [5 day, 20 C]	SX	report only	Jun, Dec
003	BOD, carbonaceous [5 day, 20 C]	SX	report only	Jun, Dec
003	Chemical Oxygen Demand [COD]	SX	report only	Jun, Dec
003	Chemical Oxygen Demand [COD]	SX	report only	Jun, Dec
003	Storm water flow	SX	report only	Jun, Dec
003	Storm water flow	SX	report only	Jun, Dec
004	pH	SX	report only	Jun, Dec
004	pH	SX	report only	Jun, Dec
004	Solids, total suspended	SX	report only	Jun, Dec
004	Solids, total suspended	SX	report only	Jun, Dec
004	Oil and grease, hexane extr method	SX	report only	Jun, Dec
004	Oil and grease, hexane extr method	SX	report only	Jun, Dec
004	Nitrogen, Kjeldahl, total [as N]	SX	report only	Jun, Dec
004	Nitrogen, Kjeldahl, total [as N]	SX	report only	Jun, Dec
004	Nitrite + Nitrate total [as N]	SX	report only	Jun, Dec
004	Nitrite + Nitrate total [as N]	SX	report only	Jun, Dec
004	Phosphorus, total [as P]	SX	report only	Jun, Dec
004	Phosphorus, total [as P]	SX	report only	Jun, Dec
004	BOD, carbonaceous [5 day, 20 C]	SX	report only	Jun, Dec
004	BOD, carbonaceous [5 day, 20 C]	SX	report only	Jun, Dec
004	Chemical Oxygen Demand [COD]	SX	report only	Jun, Dec
004	Chemical Oxygen Demand [COD]	SX	report only	Jun, Dec
004	Storm water flow	SX	report only	Jun, Dec
004	Storm water flow	SX	report only	Jun, Dec