DUKE ENERGY INDIANA EDWARDSPORT IGCC STATION — NPDES permit IN0002780: limits, due date and EPA's record

NPDES permit IN0002780 · Major NON-POTW · effective, expires 2031-07-31 · 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 (the most common figure among IN permits in EPA's filings — check your permit).

Limits in force (150)

Outfall	Parameter	Statistic	Limit	Months
002	Temperature, water deg. fahrenheit	MO AVG	report only	Apr, Nov
002	Temperature, water deg. fahrenheit	MO AVG	report only	Mar
002	Temperature, water deg. fahrenheit	MO AVG	report only	Jan, Feb
002	Temperature, water deg. fahrenheit	MO AVG	report only	May
002	Temperature, water deg. fahrenheit	MO AVG	report only	Jun, Jul, Aug, Sep
002	Temperature, water deg. fahrenheit	MO AVG	report only	Oct
002	Temperature, water deg. fahrenheit	MO AVG	report only	Dec
002	Temperature, water deg. fahrenheit	DAILY MX	<= 73 deg F	Apr, Nov
002	Temperature, water deg. fahrenheit	DAILY MX	<= 63 deg F	Mar
002	Temperature, water deg. fahrenheit	DAILY MX	<= 53 deg F	Jan, Feb
002	Temperature, water deg. fahrenheit	DAILY MX	<= 83 deg F	May
002	Temperature, water deg. fahrenheit	DAILY MX	<= 93 deg F	Jun, Jul, Aug, Sep
002	Temperature, water deg. fahrenheit	DAILY MX	<= 81 deg F	Oct
002	Temperature, water deg. fahrenheit	DAILY MX	<= 60 deg F	Dec
002	Temperature, water deg. fahrenheit	MO AVG	report only	Dec
002	Temperature, water deg. fahrenheit	MO AVG	report only	Jun, Jul, Aug, Sep
002	Temperature, water deg. fahrenheit	MO AVG	report only	Jan, Feb
002	Temperature, water deg. fahrenheit	MO AVG	report only	Mar
002	Temperature, water deg. fahrenheit	MO AVG	report only	Apr, Nov
002	Temperature, water deg. fahrenheit	MO AVG	report only	Oct
002	Temperature, water deg. fahrenheit	MO AVG	report only	May
002	Temperature, water deg. fahrenheit	DAILY MX	<= 60 deg F	Dec
002	Temperature, water deg. fahrenheit	DAILY MX	<= 93 deg F	Jun, Jul, Aug, Sep
002	Temperature, water deg. fahrenheit	DAILY MX	<= 53 deg F	Jan, Feb
002	Temperature, water deg. fahrenheit	DAILY MX	<= 63 deg F	Mar
002	Temperature, water deg. fahrenheit	DAILY MX	<= 73 deg F	Apr, Nov
002	Temperature, water deg. fahrenheit	DAILY MX	<= 81 deg F	Oct
002	Temperature, water deg. fahrenheit	DAILY MX	<= 83 deg F	May
002	pH	DAILY MN	>= 6 SU	all year
002	pH	DAILY MX	<= 9 SU	all year
002	Solids, total suspended	MO AVG	<= 29.1 mg/L	all year
002	Solids, total suspended	DAILY MX	<= 96.3 mg/L	all year
002	Oil and grease, hexane extr method	MO AVG	<= 10.7 mg/L	all year
002	Oil and grease, hexane extr method	DAILY MX	<= 14.3 mg/L	all year
002	Nitrogen, ammonia total [as N]	MO AVG	report only	all year
002	Nitrogen, ammonia total [as N]	DAILY MX	report only	all year
002	Cyanide, free [as free]	MO AVG	report only	all year
002	Cyanide, free [as free]	DAILY MX	report only	all year
002	Iron, total recoverable	MO AVG	<= 1 mg/L	all year
002	Iron, total recoverable	DAILY MX	<= 1 mg/L	all year
002	Selenium, total recoverable	MO AVG	report only	all year
002	Selenium, total recoverable	DAILY MX	report only	all year
002	Zinc, total recoverable	MO AVG	<= .25 mg/L	all year
002	Zinc, total recoverable	DAILY MX	<= .51 mg/L	all year
002	Cadmium, total recoverable	MO AVG	report only	all year
002	Cadmium, total recoverable	DAILY MX	report only	all year
002	Chromium, total recoverable	MO AVG	<= .2 mg/L	all year
002	Chromium, total recoverable	DAILY MX	<= .2 mg/L	all year
002	Copper, total recoverable	MO AVG	<= .042 mg/L	all year
002	Copper, total recoverable	DAILY MX	<= .084 mg/L	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	Toxicity [acute], Ceriodaphnia dubia	MAXIMUM	<= 1 tox acute (alert)	Jul
002	Toxicity [acute], Ceriodaphnia dubia	MAXIMUM	<= 1 tox acute (alert)	Aug
002	Toxicity [chronic], Ceriodaphnia dubia	MAXIMUM	<= 16 tox chronic (alert)	Jul
002	Toxicity [chronic], Ceriodaphnia dubia	MAXIMUM	<= 16 tox chronic (alert)	Aug
002	Toxicity [acute], Pimephales promelas [Fathead Minnow]	MAXIMUM	<= 1 tox acute (alert)	Jul
002	Toxicity [acute], Pimephales promelas [Fathead Minnow]	MAXIMUM	<= 1 tox acute (alert)	Aug
002	Toxicity [chronic], Pimephales promelas [Fathead Minnow]	MAXIMUM	<= 16 tox chronic (alert)	Jul
002	Toxicity [chronic], Pimephales promelas [Fathead Minnow]	MAXIMUM	<= 16 tox chronic (alert)	Aug
002	Mercury, total recoverable	MO AVG	report only	Feb, Apr, Jun, Aug, Oct, Dec
002	Mercury, total recoverable	DAILY MX	report only	Feb, Apr, Jun, Aug, Oct, Dec
002	Flow, total	MO TOTAL	report only	all year
003	pH	QB	report only	Mar, Jun, Sep, Dec
003	pH	QB	report only	Mar, Jun, Sep, Dec
003	Solids, total suspended	QB	report only	Mar, Jun, Sep, Dec
003	Solids, total suspended	QB	report only	Mar, Jun, Sep, Dec
003	Oil and grease, hexane extr method	QB	report only	Mar, Jun, Sep, Dec
003	Oil and grease, hexane extr method	QB	report only	Mar, Jun, Sep, Dec
003	Nitrogen, Kjeldahl, total [as N]	QB	report only	Mar, Jun, Sep, Dec
003	Nitrogen, Kjeldahl, total [as N]	QB	report only	Mar, Jun, Sep, Dec
003	Nitrite + Nitrate total [as N]	QB	report only	Mar, Jun, Sep, Dec
003	Nitrite + Nitrate total [as N]	QB	report only	Mar, Jun, Sep, Dec
003	Phosphorus, total [as P]	QB	report only	Mar, Jun, Sep, Dec
003	Phosphorus, total [as P]	QB	report only	Mar, Jun, Sep, Dec
003	BOD, carbonaceous [5 day, 20 C]	QB	report only	Mar, Jun, Sep, Dec
003	BOD, carbonaceous [5 day, 20 C]	QB	report only	Mar, Jun, Sep, Dec
003	Chemical Oxygen Demand [COD]	QB	report only	Mar, Jun, Sep, Dec
003	Chemical Oxygen Demand [COD]	QB	report only	Mar, Jun, Sep, Dec
003	Storm water flow	QB	report only	Mar, Jun, Sep, Dec
003	Storm water flow	QB	report only	Mar, Jun, Sep, Dec
004	pH	QB	report only	Mar, Jun, Sep, Dec
004	pH	QB	report only	Mar, Jun, Sep, Dec
004	Solids, total suspended	QB	report only	Mar, Jun, Sep, Dec
004	Solids, total suspended	QB	report only	Mar, Jun, Sep, Dec
004	Oil and grease, hexane extr method	QB	report only	Mar, Jun, Sep, Dec
004	Oil and grease, hexane extr method	QB	report only	Mar, Jun, Sep, Dec
004	Nitrogen, Kjeldahl, total [as N]	QB	report only	Mar, Jun, Sep, Dec
004	Nitrogen, Kjeldahl, total [as N]	QB	report only	Mar, Jun, Sep, Dec
004	Nitrite + Nitrate total [as N]	QB	report only	Mar, Jun, Sep, Dec
004	Nitrite + Nitrate total [as N]	QB	report only	Mar, Jun, Sep, Dec
004	Phosphorus, total [as P]	QB	report only	Mar, Jun, Sep, Dec
004	Phosphorus, total [as P]	QB	report only	Mar, Jun, Sep, Dec
004	BOD, carbonaceous [5 day, 20 C]	QB	report only	Mar, Jun, Sep, Dec
004	BOD, carbonaceous [5 day, 20 C]	QB	report only	Mar, Jun, Sep, Dec
004	Chemical Oxygen Demand [COD]	QB	report only	Mar, Jun, Sep, Dec
004	Chemical Oxygen Demand [COD]	QB	report only	Mar, Jun, Sep, Dec
004	Storm water flow	QB	report only	Mar, Jun, Sep, Dec
004	Storm water flow	QB	report only	Mar, Jun, Sep, Dec
005	pH	QB	report only	Mar, Jun, Sep, Dec
005	pH	QB	report only	Mar, Jun, Sep, Dec
005	Solids, total suspended	QB	report only	Mar, Jun, Sep, Dec
005	Solids, total suspended	QB	report only	Mar, Jun, Sep, Dec
005	Oil and grease, hexane extr method	QB	report only	Mar, Jun, Sep, Dec
005	Oil and grease, hexane extr method	QB	report only	Mar, Jun, Sep, Dec
005	Nitrogen, Kjeldahl, total [as N]	QB	report only	Mar, Jun, Sep, Dec
005	Nitrogen, Kjeldahl, total [as N]	QB	report only	Mar, Jun, Sep, Dec
005	Nitrite + Nitrate total [as N]	QB	report only	Mar, Jun, Sep, Dec
005	Nitrite + Nitrate total [as N]	QB	report only	Mar, Jun, Sep, Dec
005	Phosphorus, total [as P]	QB	report only	Mar, Jun, Sep, Dec
005	Phosphorus, total [as P]	QB	report only	Mar, Jun, Sep, Dec
005	BOD, carbonaceous [5 day, 20 C]	QB	report only	Mar, Jun, Sep, Dec
005	BOD, carbonaceous [5 day, 20 C]	QB	report only	Mar, Jun, Sep, Dec
005	Chemical Oxygen Demand [COD]	QB	report only	Mar, Jun, Sep, Dec
005	Chemical Oxygen Demand [COD]	QB	report only	Mar, Jun, Sep, Dec
005	Storm water flow	QB	report only	Mar, Jun, Sep, Dec
005	Storm water flow	QB	report only	Mar, Jun, Sep, Dec
201	Solids, total suspended	MO AVG	<= 30 mg/L	all year
201	Solids, total suspended	DAILY MX	<= 60 mg/L	all year
201	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
201	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
201	BOD, carbonaceous [5 day, 20 C]	MO AVG	<= 25 mg/L	all year
201	BOD, carbonaceous [5 day, 20 C]	DAILY MX	<= 50 mg/L	all year
401	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
401	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
401	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
401	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
401	TU Static 48Hr Acute Daphnia pulex	MAXIMUM	<= 1 tox acute	Jan, Jul
401	TU Static 48Hr Acute Daphnia pulex	MAXIMUM	<= 1 tox acute	Feb, Aug
401	Toxic Units Static Renewal 48Hr Acute Ceriodaphnia dubia	MAXIMUM	<= 1 tox acute	Jan, Jul
401	Toxic Units Static Renewal 48Hr Acute Ceriodaphnia dubia	MAXIMUM	<= 1 tox acute	Feb, Aug
401	TU Static Renewal 48Hr Acute Daphnia magna	MAXIMUM	<= 1 tox acute	Jan, Jul
401	TU Static Renewal 48Hr Acute Daphnia magna	MAXIMUM	<= 1 tox acute	Feb, Aug
401	TU Static Renewal 96Hr Acute Pimphales promelas	MAXIMUM	<= 1 tox acute	Jan, Jul
401	TU Static Renewal 96Hr Acute Pimphales promelas	MAXIMUM	<= 1 tox acute	Feb, Aug
501	Solids, total suspended	MO AVG	<= 30 mg/L	all year
501	Solids, total suspended	DAILY MX	<= 100 mg/L	all year
501	Oil and grease, hexane extr method	MO AVG	<= 15 mg/L	all year
501	Oil and grease, hexane extr method	DAILY MX	<= 20 mg/L	all year
501	Arsenic, total recoverable	DAILY MX	<= .004 mg/L	all year
501	Selenium, total recoverable	MO AVG	<= .227 mg/L	all year
501	Selenium, total recoverable	DAILY MX	<= .453 mg/L	all year
501	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
501	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
501	Solids, total dissolved	MO AVG	<= 38 mg/L	all year
501	Solids, total dissolved	DAILY MX	<= 82 mg/L	all year
501	Mercury, total recoverable	MO AVG	<= 11 ng/L	all year
501	Mercury, total recoverable	DAILY MX	<= 28 ng/L	all year