CONSTELLATION ENERGY GENERATION LLC — NPDES permit PA0009733: limits, due date and EPA's record

NPDES permit PA0009733 · Major NON-POTW · expired, expires 2019-09-30 · EPA's file as of 2026-09-19

This permit expired on 2019-09-30 and is expired: its last limits keep applying until a new permit is issued, and EPA still expects the reports.

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 PA permits in EPA's filings — check your permit).

Limits in force (249)

Outfall	Parameter	Statistic	Limit	Months
001	Temperature, water deg. fahrenheit	MO AVG	report only	all year
001	Temperature, water deg. fahrenheit	DAILY MX	report only	all year
001	pH	MINIMUM	>= 6 SU	all year
001	pH	MAXIMUM	<= 9 SU	all year
001	Nitrogen, total [as N]	QRTR AVG	report only	all year
001	Nitrogen, total [as N]	QRTR AVG	report only	all year
001	Nitrogen, total [as N]	QRTR AVG	report only	all year
001	Nitrogen, total [as N]	QRTR AVG	report only	all year
001	Phosphorus, total [as P]	MO AVG	report only	all year
001	Phosphorus, total [as P]	MO AVG	report only	all year
001	Phosphorus, total [as P]	MO AVG	report only	all year
001	Phosphorus, total [as P]	MO AVG	report only	all year
001	Polychlorinated biphenyls [PCBs]	INST MAX	report only	all year
001	Polychlorinated biphenyls [PCBs]	INST MAX	report only	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	INST MAX	<= .2 mg/L	all year
001	Nalco H150M	DAILY MX	report only	all year
002	Temperature, water deg. fahrenheit	MO AVG	report only	all year
002	Temperature, water deg. fahrenheit	DAILY MX	report only	all year
002	pH	MINIMUM	>= 6 SU	all year
002	pH	INST MAX	<= 9 SU	all year
002	Polychlorinated biphenyls [PCBs]	INST MAX	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	INST MAX	<= .2 mg/L	all year
003	Solids, total suspended	MO AVG	<= 30 mg/L	all year
003	Solids, total suspended	DAILY MX	<= 100 mg/L	all year
003	Oil & Grease	MO AVG	<= 15 mg/L	all year
003	Oil & Grease	DAILY MX	<= 20 mg/L	all year
003	Aluminum, total [as Al]	MO AVG	report only	all year
003	Aluminum, total [as Al]	DAILY MX	report only	all year
003	Aluminum, total [as Al]	MO AVG	report only	all year
003	Aluminum, total [as Al]	DAILY MX	report only	all year
003	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
003	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
004	Solids, total suspended	MO AVG	<= 30 mg/L	all year
004	Solids, total suspended	DAILY MX	<= 100 mg/L	all year
004	Oil & Grease	MO AVG	<= 15 mg/L	all year
004	Oil & Grease	DAILY MX	<= 20 mg/L	all year
004	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
004	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
005	Oxygen, dissolved [DO]	MINIMUM	>= 5 mg/L	all year
005	pH	MINIMUM	>= 6 SU	all year
005	pH	INST MAX	<= 9 SU	all year
005	Solids, total suspended	MO AVG	<= 30 mg/L	all year
005	Nitrogen, total [as N]	ANNL AVG	report only	all year
005	Nitrogen, total [as N]	ANNL AVG	report only	all year
005	Nitrogen, ammonia total [as N]	MO AVG	report only	all year
005	Phosphorus, total [as P]	ANNL AVG	report only	all year
005	Phosphorus, total [as P]	MO AVG	<= 2 mg/L	all year
005	Phosphorus, total [as P]	ANNL AVG	report only	all year
005	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
005	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
005	Chlorine, total residual	MO AVG	<= .5 mg/L	all year
005	Chlorine, total residual	INST MAX	<= 1.6 mg/L	all year
005	Coliform, fecal general	GEO MEAN	<= 200 CFU/100mL	May, Jun, Jul, Aug, Sep
005	Coliform, fecal general	GEO MEAN	<= 2000 CFU/100mL	Jan, Feb, Mar, Apr, Oct, Nov, Dec
005	Coliform, fecal general	INST MAX	<= 1000 CFU/100mL	May, Jun, Jul, Aug, Sep
005	Coliform, fecal general	INST MAX	<= 10000 CFU/100mL	Jan, Feb, Mar, Apr, Oct, Nov, Dec
005	BOD, carbonaceous [5 day, 20 C]	MO AVG	<= 25 mg/L	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	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
008	Temperature, water deg. fahrenheit	DAILY MX	report only	all year
008	pH	MINIMUM	>= 6 SU	all year
008	pH	INST MAX	<= 9 SU	all year
008	Solids, total suspended	DAILY MX	report only	all year
008	Oil & Grease	DAILY MX	report only	all year
008	Copper, total [as Cu]	DAILY MX	report only	all year
008	Iron, total [as Fe]	DAILY MX	report only	all year
008	Nickel, total [as Ni]	DAILY MX	report only	all year
008	Zinc, total [as Zn]	DAILY MX	report only	all year
008	Polychlorinated biphenyls [PCBs]	DAILY MX	report only	all year
008	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
008	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
009	pH	DAILY MX	report only	all year
009	Solids, total suspended	DAILY MX	report only	all year
009	Oil & Grease	DAILY MX	report only	all year
009	Copper, total [as Cu]	DAILY MX	report only	all year
009	Iron, total [as Fe]	DAILY MX	report only	all year
009	Nickel, total [as Ni]	DAILY MX	report only	all year
009	Zinc, total [as Zn]	DAILY MX	report only	all year
009	Polychlorinated biphenyls [PCBs]	DAILY MX	report only	all year
010	pH	DAILY MX	report only	all year
010	Solids, total suspended	DAILY MX	report only	all year
010	Oil & Grease	DAILY MX	report only	all year
010	Copper, total [as Cu]	DAILY MX	report only	all year
010	Iron, total [as Fe]	DAILY MX	report only	all year
010	Nickel, total [as Ni]	DAILY MX	report only	all year
010	Zinc, total [as Zn]	DAILY MX	report only	all year
012	pH	DAILY MX	report only	all year
012	Solids, total suspended	DAILY MX	report only	all year
012	Oil & Grease	DAILY MX	report only	all year
012	Copper, total [as Cu]	DAILY MX	report only	all year
012	Iron, total [as Fe]	DAILY MX	report only	all year
012	Nickel, total [as Ni]	DAILY MX	report only	all year
012	Zinc, total [as Zn]	DAILY MX	report only	all year
013	pH	DAILY MX	report only	all year
013	Solids, total suspended	DAILY MX	report only	all year
013	Oil & Grease	DAILY MX	report only	all year
013	Copper, total [as Cu]	DAILY MX	report only	all year
013	Iron, total [as Fe]	DAILY MX	report only	all year
013	Nickel, total [as Ni]	DAILY MX	report only	all year
013	Zinc, total [as Zn]	DAILY MX	report only	all year
014	pH	DAILY MX	report only	all year
014	Solids, total suspended	DAILY MX	report only	all year
014	Oil & Grease	DAILY MX	report only	all year
014	Copper, total [as Cu]	DAILY MX	report only	all year
014	Iron, total [as Fe]	DAILY MX	report only	all year
014	Nickel, total [as Ni]	DAILY MX	report only	all year
014	Zinc, total [as Zn]	DAILY MX	report only	all year
015	pH	DAILY MX	report only	all year
015	Solids, total suspended	DAILY MX	report only	all year
015	Oil & Grease	DAILY MX	report only	all year
015	Copper, total [as Cu]	DAILY MX	report only	all year
015	Iron, total [as Fe]	DAILY MX	report only	all year
015	Nickel, total [as Ni]	DAILY MX	report only	all year
015	Zinc, total [as Zn]	DAILY MX	report only	all year
016	pH	DAILY MX	report only	all year
016	Solids, total suspended	DAILY MX	report only	all year
016	Oil & Grease	DAILY MX	report only	all year
016	Copper, total [as Cu]	DAILY MX	report only	all year
016	Iron, total [as Fe]	DAILY MX	report only	all year
016	Nickel, total [as Ni]	DAILY MX	report only	all year
016	Zinc, total [as Zn]	DAILY MX	report only	all year
017	pH	DAILY MX	report only	all year
017	Solids, total suspended	DAILY MX	report only	all year
017	Oil & Grease	DAILY MX	report only	all year
017	Copper, total [as Cu]	DAILY MX	report only	all year
017	Iron, total [as Fe]	DAILY MX	report only	all year
017	Nickel, total [as Ni]	DAILY MX	report only	all year
017	Zinc, total [as Zn]	DAILY MX	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	report only	all year
018	Copper, total [as Cu]	DAILY MX	report only	all year
018	Iron, total [as Fe]	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
019	pH	DAILY MX	report only	all year
019	Solids, total suspended	DAILY MX	report only	all year
019	Oil & Grease	DAILY MX	report only	all year
019	Copper, total [as Cu]	DAILY MX	report only	all year
019	Iron, total [as Fe]	DAILY MX	report only	all year
019	Nickel, total [as Ni]	DAILY MX	report only	all year
019	Zinc, total [as Zn]	DAILY MX	report only	all year
019	Polychlorinated biphenyls [PCBs]	DAILY MX	report only	all year
020	pH	DAILY MX	report only	all year
020	Solids, total suspended	DAILY MX	report only	all year
020	Oil & Grease	DAILY MX	report only	all year
020	Copper, total [as Cu]	DAILY MX	report only	all year
020	Iron, total [as Fe]	DAILY MX	report only	all year
020	Nickel, total [as Ni]	DAILY MX	report only	all year
020	Zinc, total [as Zn]	DAILY MX	report only	all year
020	Polychlorinated biphenyls [PCBs]	DAILY MX	report only	all year
021	pH	DAILY MX	report only	all year
021	Solids, total suspended	DAILY MX	report only	all year
021	Oil & Grease	DAILY MX	report only	all year
021	Copper, total [as Cu]	DAILY MX	report only	all year
021	Iron, total [as Fe]	DAILY MX	report only	all year
021	Nickel, total [as Ni]	DAILY MX	report only	all year
021	Zinc, total [as Zn]	DAILY MX	report only	all year
021	Polychlorinated biphenyls [PCBs]	DAILY MX	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	report only	all year
022	Copper, total [as Cu]	DAILY MX	report only	all year
022	Iron, total [as Fe]	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
025	pH	DAILY MX	report only	all year
025	Solids, total suspended	DAILY MX	report only	all year
025	Oil & Grease	DAILY MX	report only	all year
025	Copper, total [as Cu]	DAILY MX	report only	all year
025	Iron, total [as Fe]	DAILY MX	report only	all year
025	Nickel, total [as Ni]	DAILY MX	report only	all year
025	Zinc, total [as Zn]	DAILY MX	report only	all year
026	pH	DAILY MX	report only	all year
026	Solids, total suspended	DAILY MX	report only	all year
026	Oil & Grease	DAILY MX	report only	all year
026	Copper, total [as Cu]	DAILY MX	report only	all year
026	Iron, total [as Fe]	DAILY MX	report only	all year
026	Nickel, total [as Ni]	DAILY MX	report only	all year
026	Zinc, total [as Zn]	DAILY MX	report only	all year
026	Polychlorinated biphenyls [PCBs]	DAILY MX	report only	all year
027	pH	DAILY MX	report only	all year
027	Solids, total suspended	DAILY MX	report only	all year
027	Oil & Grease	DAILY MX	report only	all year
027	Copper, total [as Cu]	DAILY MX	report only	all year
027	Iron, total [as Fe]	DAILY MX	report only	all year
027	Nickel, total [as Ni]	DAILY MX	report only	all year
027	Zinc, total [as Zn]	DAILY MX	report only	all year
027	Polychlorinated biphenyls [PCBs]	DAILY MX	report only	all year
028	pH	DAILY MX	report only	all year
028	Solids, total suspended	DAILY MX	report only	all year
028	Oil & Grease	DAILY MX	report only	all year
028	Copper, total [as Cu]	DAILY MX	report only	all year
028	Iron, total [as Fe]	DAILY MX	report only	all year
028	Nickel, total [as Ni]	DAILY MX	report only	all year
028	Zinc, total [as Zn]	DAILY MX	report only	all year
028	Polychlorinated biphenyls [PCBs]	DAILY MX	report only	all year
029	pH	DAILY MX	report only	all year
029	Solids, total suspended	DAILY MX	report only	all year
029	Oil & Grease	DAILY MX	report only	all year
029	Copper, total [as Cu]	DAILY MX	report only	all year
029	Iron, total [as Fe]	DAILY MX	report only	all year
029	Nickel, total [as Ni]	DAILY MX	report only	all year
029	Zinc, total [as Zn]	DAILY MX	report only	all year
029	Polychlorinated biphenyls [PCBs]	DAILY MX	report only	all year
030	pH	DAILY MX	report only	all year
030	Solids, total suspended	DAILY MX	report only	all year
030	Oil & Grease	DAILY MX	report only	all year
030	Copper, total [as Cu]	DAILY MX	report only	all year
030	Iron, total [as Fe]	DAILY MX	report only	all year
030	Nickel, total [as Ni]	DAILY MX	report only	all year
030	Zinc, total [as Zn]	DAILY MX	report only	all year
031	pH	DAILY MX	report only	all year
031	Solids, total suspended	DAILY MX	report only	all year
031	Oil & Grease	DAILY MX	report only	all year
031	Copper, total [as Cu]	DAILY MX	report only	all year
031	Iron, total [as Fe]	DAILY MX	report only	all year
031	Nickel, total [as Ni]	DAILY MX	report only	all year
031	Zinc, total [as Zn]	DAILY MX	report only	all year
032	pH	DAILY MX	report only	all year
032	Solids, total suspended	DAILY MX	report only	all year
032	Oil & Grease	DAILY MX	report only	all year
032	Copper, total [as Cu]	DAILY MX	report only	all year
032	Iron, total [as Fe]	DAILY MX	report only	all year
032	Nickel, total [as Ni]	DAILY MX	report only	all year
032	Zinc, total [as Zn]	DAILY MX	report only	all year
033	pH	DAILY MX	report only	all year
033	Solids, total suspended	DAILY MX	report only	all year
033	Oil & Grease	DAILY MX	report only	all year
033	Copper, total [as Cu]	DAILY MX	report only	all year
033	Iron, total [as Fe]	DAILY MX	report only	all year
033	Nickel, total [as Ni]	DAILY MX	report only	all year
033	Zinc, total [as Zn]	DAILY MX	report only	all year
901	pH	MINIMUM	>= 6 SU	all year
901	pH	INST MAX	<= 9 SU	all year
901	Solids, total suspended	MO AVG	<= 30 mg/L	all year
901	Solids, total suspended	DAILY MX	<= 100 mg/L	all year
901	Oil & Grease	MO AVG	<= 15 mg/L	all year
901	Oil & Grease	DAILY MX	<= 20 mg/L	all year
901	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
901	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year