U.S. Army Corps of Engineers- John Day Dam Project — NPDES permit OR0055001: limits, due date and EPA's record

NPDES permit OR0055001 · Minor FEDERAL · effective, expires 2030-06-30 · EPA's file as of 2026-09-19

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

Last period with anything received: 2026-07-31. Most often over: Oil & Grease (2).

Reporting

Reports are due about 15 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (338)

Outfall	Parameter	Statistic	Limit	Months
001	Temperature, water deg. centigrade	MO AVG	report only	all year
001	Temperature, water deg. centigrade	DAILY MX	report only	all year
001	Temperature, water deg. centigrade	MO MAX	report only	all year
001	Temperature, water deg. centigrade	MX 7D AV	report only	all year
001	Thermal Discharge	MO AVG	<= 7010 mkcal/day	Jun, Jul, Aug, Sep, Oct
001	Thermal Discharge	MO AVG	report only	Jun, Jul, Aug, Sep, Oct
001	pH	DAILY MN	>= 7 SU	all year
001	pH	DAILY MX	<= 8.5 SU	all year
001	pH	MO MAX	report only	all year
001	Alkalinity, total [as CaCO3]	QB	report only	all year
001	Alkalinity, total [as CaCO3]	QB	report only	all year
001	Oil & Grease	DAILY MX	<= 5 mg/L	all year
001	Oil & Grease	DAILY MX	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	MO AVG	report only	all year
001	Chlorine, total residual	DAILY MX	report only	all year
001	Oil and grease visual	VALUE	report only	all year
002	Temperature, water deg. centigrade	MO AVG	report only	all year
002	Temperature, water deg. centigrade	DAILY MX	report only	all year
002	Temperature, water deg. centigrade	MX 7D AV	report only	all year
002	Thermal Discharge	MO AVG	report only	Jun, Jul, Aug, Sep, Oct
002	pH	DAILY MN	>= 7 SU	all year
002	pH	DAILY MX	<= 8.5 SU	all year
002	Alkalinity, total [as CaCO3]	QB	report only	all year
002	Oil & Grease	DAILY MX	<= 5 mg/L	all year
002	Oil & Grease	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	report only	all year
002	Chlorine, total residual	DAILY MX	report only	all year
002	Oil and grease visual	VALUE	report only	all year
003	Temperature, water deg. centigrade	MO AVG	report only	all year
003	Temperature, water deg. centigrade	DAILY MX	report only	all year
003	Temperature, water deg. centigrade	MX 7D AV	report only	all year
003	Thermal Discharge	MO AVG	report only	Jun, Jul, Aug, Sep, Oct
003	pH	DAILY MN	>= 7 SU	all year
003	pH	DAILY MX	<= 8.5 SU	all year
003	Oil & Grease	DAILY MX	<= 5 mg/L	all year
003	Oil & Grease	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
003	Oil and grease visual	VALUE	report only	all year
004	Temperature, water deg. centigrade	MO AVG	report only	all year
004	Temperature, water deg. centigrade	DAILY MX	report only	all year
004	Temperature, water deg. centigrade	MO AVG	report only	all year
004	Temperature, water deg. centigrade	DAILY MX	report only	all year
004	Temperature, water deg. centigrade	MO AVG	report only	all year
004	Temperature, water deg. centigrade	DAILY MX	report only	all year
004	Temperature, water deg. centigrade	MX 7D AV	report only	all year
004	Temperature, water deg. centigrade	MX 7D AV	report only	all year
004	Thermal Discharge	MO AVG	report only	Jun, Jul, Aug, Sep, Oct
004	Thermal Discharge	MO AVG	report only	Jun, Jul, Aug, Sep, Oct
004	pH	DAILY MN	>= 7 SU	all year
004	pH	DAILY MN	>= 7 SU	all year
004	pH	DAILY MX	<= 8.5 SU	all year
004	pH	DAILY MX	<= 8.5 SU	all year
004	Oil & Grease	DAILY MX	<= 5 mg/L	all year
004	Oil & Grease	DAILY MX	<= 5 mg/L	all year
004	Oil & Grease	DAILY MX	report only	all year
004	Oil & Grease	DAILY MX	report only	all year
004	Flow, in conduit or thru treatment plant	MO AVG	report only	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
004	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
004	Oil and grease visual	VALUE	report only	all year
004	Oil and grease visual	VALUE	report only	all year
005	Temperature, water deg. centigrade	MO AVG	report only	all year
005	Temperature, water deg. centigrade	DAILY MX	report only	all year
005	Temperature, water deg. centigrade	MO AVG	report only	all year
005	Temperature, water deg. centigrade	DAILY MX	report only	all year
005	Temperature, water deg. centigrade	MX 7D AV	report only	all year
005	Thermal Discharge	MO AVG	report only	Jun, Jul, Aug, Sep, Oct
005	pH	DAILY MN	>= 7 SU	all year
005	pH	DAILY MX	<= 8.5 SU	all year
005	Oil & Grease	DAILY MX	<= 5 mg/L	all year
005	Oil & Grease	DAILY MX	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	Oil and grease visual	VALUE	report only	all year
006	Temperature, water deg. centigrade	MO AVG	report only	all year
006	Temperature, water deg. centigrade	DAILY MX	report only	all year
006	Temperature, water deg. centigrade	MO AVG	report only	all year
006	Temperature, water deg. centigrade	DAILY MX	report only	all year
006	Temperature, water deg. centigrade	MX 7D AV	report only	all year
006	Thermal Discharge	MO AVG	report only	Jun, Jul, Aug, Sep, Oct
006	pH	DAILY MN	>= 7 SU	all year
006	pH	DAILY MX	<= 8.5 SU	all year
006	Oil & Grease	DAILY MX	<= 5 mg/L	all year
006	Oil & Grease	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	Oil and grease visual	VALUE	report only	all year
007	Temperature, water deg. centigrade	MO AVG	report only	all year
007	Temperature, water deg. centigrade	DAILY MX	report only	all year
007	Temperature, water deg. centigrade	MO AVG	report only	all year
007	Temperature, water deg. centigrade	DAILY MX	report only	all year
007	Temperature, water deg. centigrade	MX 7D AV	report only	all year
007	Thermal Discharge	MO AVG	report only	Jun, Jul, Aug, Sep, Oct
007	pH	DAILY MN	>= 7 SU	all year
007	pH	DAILY MX	<= 8.5 SU	all year
007	Oil & Grease	DAILY MX	<= 5 mg/L	all year
007	Oil & Grease	DAILY MX	report only	all year
007	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
007	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
007	Oil and grease visual	VALUE	report only	all year
008	Temperature, water deg. centigrade	MO AVG	report only	all year
008	Temperature, water deg. centigrade	DAILY MX	report only	all year
008	Temperature, water deg. centigrade	MO AVG	report only	all year
008	Temperature, water deg. centigrade	DAILY MX	report only	all year
008	Temperature, water deg. centigrade	MX 7D AV	report only	all year
008	Thermal Discharge	MO AVG	report only	Jun, Jul, Aug, Sep, Oct
008	pH	DAILY MN	>= 7 SU	all year
008	pH	DAILY MX	<= 8.5 SU	all year
008	Oil & Grease	DAILY MX	<= 5 mg/L	all year
008	Oil & Grease	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
008	Oil and grease visual	VALUE	report only	all year
009	Temperature, water deg. centigrade	MO AVG	report only	all year
009	Temperature, water deg. centigrade	DAILY MX	report only	all year
009	Temperature, water deg. centigrade	MO AVG	report only	all year
009	Temperature, water deg. centigrade	DAILY MX	report only	all year
009	Temperature, water deg. centigrade	MX 7D AV	report only	all year
009	Thermal Discharge	MO AVG	report only	Jun, Jul, Aug, Sep, Oct
009	pH	DAILY MN	>= 7 SU	all year
009	pH	DAILY MX	<= 8.5 SU	all year
009	Oil & Grease	DAILY MX	<= 5 mg/L	all year
009	Oil & Grease	DAILY MX	report only	all year
009	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
009	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
009	Oil and grease visual	VALUE	report only	all year
010	Temperature, water deg. centigrade	MO AVG	report only	all year
010	Temperature, water deg. centigrade	DAILY MX	report only	all year
010	Temperature, water deg. centigrade	MO AVG	report only	all year
010	Temperature, water deg. centigrade	DAILY MX	report only	all year
010	Temperature, water deg. centigrade	MX 7D AV	report only	all year
010	Thermal Discharge	MO AVG	report only	Jun, Jul, Aug, Sep, Oct
010	pH	DAILY MN	>= 7 SU	all year
010	pH	DAILY MX	<= 8.5 SU	all year
010	Oil & Grease	DAILY MX	<= 5 mg/L	all year
010	Oil & Grease	DAILY MX	report only	all year
010	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
010	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
010	Oil and grease visual	VALUE	report only	all year
011	Temperature, water deg. centigrade	MO AVG	report only	all year
011	Temperature, water deg. centigrade	DAILY MX	report only	all year
011	Temperature, water deg. centigrade	MO AVG	report only	all year
011	Temperature, water deg. centigrade	DAILY MX	report only	all year
011	Temperature, water deg. centigrade	MX 7D AV	report only	all year
011	Thermal Discharge	MO AVG	report only	Jun, Jul, Aug, Sep, Oct
011	pH	DAILY MN	>= 7 SU	all year
011	pH	DAILY MX	<= 8.5 SU	all year
011	Oil & Grease	DAILY MX	<= 5 mg/L	all year
011	Oil & Grease	DAILY MX	report only	all year
011	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
011	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
011	Oil and grease visual	VALUE	report only	all year
012	Temperature, water deg. centigrade	MO AVG	report only	all year
012	Temperature, water deg. centigrade	DAILY MX	report only	all year
012	Temperature, water deg. centigrade	MO AVG	report only	all year
012	Temperature, water deg. centigrade	DAILY MX	report only	all year
012	Temperature, water deg. centigrade	MX 7D AV	report only	all year
012	Thermal Discharge	MO AVG	report only	Jun, Jul, Aug, Sep, Oct
012	pH	DAILY MN	>= 7 SU	all year
012	pH	DAILY MX	<= 8.5 SU	all year
012	Oil & Grease	DAILY MX	<= 5 mg/L	all year
012	Oil & Grease	DAILY MX	report only	all year
012	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
012	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
012	Oil and grease visual	VALUE	report only	all year
013	Temperature, water deg. centigrade	MO AVG	report only	all year
013	Temperature, water deg. centigrade	DAILY MX	report only	all year
013	Temperature, water deg. centigrade	MO AVG	report only	all year
013	Temperature, water deg. centigrade	DAILY MX	report only	all year
013	Temperature, water deg. centigrade	MX 7D AV	report only	all year
013	Thermal Discharge	MO AVG	report only	Jun, Jul, Aug, Sep, Oct
013	pH	DAILY MN	>= 7 SU	all year
013	pH	DAILY MX	<= 8.5 SU	all year
013	Oil & Grease	DAILY MX	<= 5 mg/L	all year
013	Oil & Grease	DAILY MX	report only	all year
013	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
013	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
013	Oil and grease visual	VALUE	report only	all year
014	Temperature, water deg. centigrade	MO AVG	report only	all year
014	Temperature, water deg. centigrade	DAILY MX	report only	all year
014	Temperature, water deg. centigrade	MO AVG	report only	all year
014	Temperature, water deg. centigrade	DAILY MX	report only	all year
014	Temperature, water deg. centigrade	MX 7D AV	report only	all year
014	Thermal Discharge	MO AVG	report only	Jun, Jul, Aug, Sep, Oct
014	pH	DAILY MN	>= 7 SU	all year
014	pH	DAILY MX	<= 8.5 SU	all year
014	Oil & Grease	DAILY MX	<= 5 mg/L	all year
014	Oil & Grease	DAILY MX	report only	all year
014	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
014	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
014	Oil and grease visual	VALUE	report only	all year
015	Temperature, water deg. centigrade	MO AVG	report only	all year
015	Temperature, water deg. centigrade	DAILY MX	report only	all year
015	Temperature, water deg. centigrade	MO AVG	report only	all year
015	Temperature, water deg. centigrade	DAILY MX	report only	all year
015	Temperature, water deg. centigrade	MX 7D AV	report only	all year
015	Thermal Discharge	MO AVG	report only	Jun, Jul, Aug, Sep, Oct
015	pH	DAILY MN	>= 7 SU	all year
015	pH	DAILY MX	<= 8.5 SU	all year
015	Oil & Grease	DAILY MX	<= 5 mg/L	all year
015	Oil & Grease	DAILY MX	report only	all year
015	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
015	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
015	Oil and grease visual	VALUE	report only	all year
016	Temperature, water deg. centigrade	MO AVG	report only	all year
016	Temperature, water deg. centigrade	DAILY MX	report only	all year
016	Temperature, water deg. centigrade	MO AVG	report only	all year
016	Temperature, water deg. centigrade	DAILY MX	report only	all year
016	Temperature, water deg. centigrade	MX 7D AV	report only	all year
016	Thermal Discharge	MO AVG	report only	Jun, Jul, Aug, Sep, Oct
016	pH	DAILY MN	>= 7 SU	all year
016	pH	DAILY MX	<= 8.5 SU	all year
016	Oil & Grease	DAILY MX	<= 5 mg/L	all year
016	Oil & Grease	DAILY MX	report only	all year
016	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
016	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
016	Oil and grease visual	VALUE	report only	all year
017	Temperature, water deg. centigrade	MO AVG	report only	all year
017	Temperature, water deg. centigrade	DAILY MX	report only	all year
017	Temperature, water deg. centigrade	MO AVG	report only	all year
017	Temperature, water deg. centigrade	DAILY MX	report only	all year
017	Temperature, water deg. centigrade	MX 7D AV	report only	all year
017	Thermal Discharge	MO AVG	report only	Jun, Jul, Aug, Sep, Oct
017	pH	DAILY MN	>= 7 SU	all year
017	pH	DAILY MX	<= 8.5 SU	all year
017	Oil & Grease	DAILY MX	<= 5 mg/L	all year
017	Oil & Grease	DAILY MX	report only	all year
017	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
017	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
017	Oil and grease visual	VALUE	report only	all year
022	Temperature, water deg. centigrade	MO AVG	report only	all year
022	Temperature, water deg. centigrade	DAILY MX	report only	all year
022	Temperature, water deg. centigrade	MX 7D AV	report only	all year
022	Thermal Discharge	MO AVG	report only	Jun, Jul, Aug, Sep, Oct
022	pH	DAILY MN	>= 7 SU	all year
022	pH	DAILY MX	<= 8.5 SU	all year
022	Oil & Grease	DAILY MX	<= 5 mg/L	all year
022	Oil & Grease	DAILY MX	report only	all year
022	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
022	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
022	Oil and grease visual	VALUE	report only	all year
036	Temperature, water deg. centigrade	MO AVG	report only	all year
036	Temperature, water deg. centigrade	DAILY MX	report only	all year
036	Temperature, water deg. centigrade	MO AVG	report only	all year
036	Temperature, water deg. centigrade	DAILY MX	report only	all year
036	Temperature, water deg. centigrade	DAILY AV	report only	all year
036	Temperature, water deg. centigrade	MX 7D AV	report only	all year
036	Thermal Discharge	MO AVG	report only	Jun, Jul, Aug, Sep, Oct
036	pH	DAILY MN	>= 7 SU	all year
036	pH	DAILY MX	<= 8.5 SU	all year
036	Oil & Grease	DAILY MX	<= 5 mg/L	all year
036	Oil & Grease	DAILY MX	report only	all year
036	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
036	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
036	Oil and grease visual	VALUE	report only	all year
037	Temperature, water deg. centigrade	MO AVG	report only	all year
037	Temperature, water deg. centigrade	DAILY MX	report only	all year
037	Temperature, water deg. centigrade	MO AVG	report only	all year
037	Temperature, water deg. centigrade	DAILY MX	report only	all year
037	Temperature, water deg. centigrade	MX 7D AV	report only	all year
037	Thermal Discharge	MO AVG	report only	Jun, Jul, Aug, Sep, Oct
037	pH	DAILY MN	>= 7 SU	all year
037	pH	DAILY MX	<= 8.5 SU	all year
037	Oil & Grease	DAILY MX	<= 5 mg/L	all year
037	Oil & Grease	DAILY MX	report only	all year
037	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
037	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
037	Oil and grease visual	VALUE	report only	all year
038	Temperature, water deg. centigrade	MO AVG	report only	all year
038	Temperature, water deg. centigrade	DAILY MX	report only	all year
038	Temperature, water deg. centigrade	MO AVG	report only	all year
038	Temperature, water deg. centigrade	DAILY MX	report only	all year
038	Temperature, water deg. centigrade	MX 7D AV	report only	all year
038	Thermal Discharge	MO AVG	report only	Jun, Jul, Aug, Sep, Oct
038	pH	DAILY MN	>= 7 SU	all year
038	pH	DAILY MX	<= 8.5 SU	all year
038	Oil & Grease	DAILY MX	<= 5 mg/L	all year
038	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
038	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
038	Oil and grease visual	VALUE	report only	all year
039	Temperature, water deg. centigrade	MO AVG	report only	all year
039	Temperature, water deg. centigrade	DAILY MX	report only	all year
039	Temperature, water deg. centigrade	MO AVG	report only	all year
039	Temperature, water deg. centigrade	DAILY MX	report only	all year
039	Temperature, water deg. centigrade	MX 7D AV	report only	all year
039	Thermal Discharge	MO AVG	report only	Jun, Jul, Aug, Sep, Oct
039	pH	DAILY MN	>= 7 SU	all year
039	pH	DAILY MX	<= 8.5 SU	all year
039	Oil & Grease	DAILY MX	<= 5 mg/L	all year
039	Oil & Grease	DAILY MX	report only	all year
039	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
039	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
039	Oil and grease visual	VALUE	report only	all year
040	Temperature, water deg. centigrade	MO AVG	report only	all year
040	Temperature, water deg. centigrade	DAILY MX	report only	all year
040	Temperature, water deg. centigrade	MO AVG	report only	all year
040	Temperature, water deg. centigrade	DAILY MX	report only	all year
040	Temperature, water deg. centigrade	MX 7D AV	report only	all year
040	Thermal Discharge	MO AVG	report only	Jun, Jul, Aug, Sep, Oct
040	pH	DAILY MN	>= 7 SU	all year
040	pH	DAILY MX	<= 8.5 SU	all year
040	Oil & Grease	DAILY MX	<= 5 mg/L	all year
040	Oil & Grease	DAILY MX	report only	all year
040	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
040	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
040	Oil and grease visual	VALUE	report only	all year
041	Temperature, water deg. centigrade	MO AVG	report only	all year
041	Temperature, water deg. centigrade	DAILY MX	report only	all year
041	Temperature, water deg. centigrade	MO AVG	report only	all year
041	Temperature, water deg. centigrade	DAILY MX	report only	all year
041	Temperature, water deg. centigrade	MX 7D AV	report only	all year
041	Thermal Discharge	MO AVG	report only	Jun, Jul, Aug, Sep, Oct
041	pH	DAILY MN	>= 7 SU	all year
041	pH	DAILY MX	<= 8.5 SU	all year
041	Oil & Grease	DAILY MX	<= 5 mg/L	all year
041	Oil & Grease	DAILY MX	report only	all year
041	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
041	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
041	Oil and grease visual	VALUE	report only	all year
042	Temperature, water deg. centigrade	MO AVG	report only	all year
042	Temperature, water deg. centigrade	DAILY MX	report only	all year
042	Temperature, water deg. centigrade	MO AVG	report only	all year
042	Temperature, water deg. centigrade	DAILY MX	report only	all year
042	Temperature, water deg. centigrade	MX 7D AV	report only	all year
042	Thermal Discharge	MO AVG	report only	Jun, Jul, Aug, Sep, Oct
042	pH	DAILY MN	>= 7 SU	all year
042	pH	DAILY MX	<= 8.5 SU	all year
042	Oil & Grease	DAILY MX	<= 5 mg/L	all year
042	Oil & Grease	DAILY MX	report only	all year
042	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
042	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
042	Oil and grease visual	VALUE	report only	all year