University Of Maryland College Park, Department of Environmental Safety — NPDES permit MD0063801: limits, due date and EPA's record

NPDES permit MD0063801 · Minor NON-POTW · effective, expires 2028-11-30 · EPA's file as of 2026-09-19

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

Last period with anything received: 2026-06-30. Most often over: Copper, total [as Cu] (166), pH (2).

Reporting

Reports are due about 28 days after each monitoring period ends (the most common figure among MD permits in EPA's filings — check your permit).

Limits in force (308)

Outfall	Parameter	Statistic	Limit	Months
002	Oxygen, dissolved [DO]	MINIMUM	>= 5 mg/L	all year
002	Oxygen, dissolved [DO]	MINIMUM	>= 5 mg/L	all year
002	pH	MINIMUM	>= 6.5 SU	all year
002	pH	MINIMUM	>= 6.5 SU	all year
002	pH	MAXIMUM	<= 8.5 SU	all year
002	pH	MAXIMUM	<= 8.5 SU	all year
002	Hardness, total [as CaCO3]	MO AVG	report only	all year
002	Hardness, total [as CaCO3]	MO AVG	report only	all year
002	Hardness, total [as CaCO3]	DAILY MX	report only	all year
002	Hardness, total [as CaCO3]	DAILY MX	report only	all year
002	Copper, dissolved [as Cu]	MO AVG	report only	all year
002	Copper, dissolved [as Cu]	MO AVG	report only	all year
002	Copper, dissolved [as Cu]	DAILY MX	report only	all year
002	Copper, dissolved [as Cu]	DAILY MX	report only	all year
002	Copper, total [as Cu]	MO AVG	<= .0279 mg/L	all year
002	Copper, total [as Cu]	MO AVG	<= .0279 mg/L	all year
002	Copper, total [as Cu]	DAILY MX	<= .0403 mg/L	all year
002	Copper, total [as Cu]	DAILY MX	<= .0403 mg/L	all year
002	Temp. diff. between up/down stream deg. F	DAILY MX	<= 0 deg F	Jun, Jul, Aug
002	Temp. diff. between up/down stream deg. F	DAILY MX	<= 0 deg F	Jun, Jul, Aug
002	Flow, in conduit or thru treatment plant	MO AVG	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	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
002	Chlorine, total residual	MO AVG	< .1 mg/L	all year
002	Chlorine, total residual	MO AVG	< .1 mg/L	all year
002	Chlorine, total residual	DAILY MX	< .1 mg/L	all year
002	Chlorine, total residual	DAILY MX	< .1 mg/L	all year
003	Oxygen, dissolved [DO]	MINIMUM	>= 5 mg/L	all year
003	Oxygen, dissolved [DO]	MINIMUM	>= 5 mg/L	all year
003	pH	MINIMUM	>= 6.5 SU	all year
003	pH	MINIMUM	>= 6.5 SU	all year
003	pH	MAXIMUM	<= 8.5 SU	all year
003	pH	MAXIMUM	<= 8.5 SU	all year
003	Hardness, total [as CaCO3]	MO AVG	report only	all year
003	Hardness, total [as CaCO3]	MO AVG	report only	all year
003	Hardness, total [as CaCO3]	DAILY MX	report only	all year
003	Hardness, total [as CaCO3]	DAILY MX	report only	all year
003	Copper, dissolved [as Cu]	MO AVG	report only	all year
003	Copper, dissolved [as Cu]	MO AVG	report only	all year
003	Copper, dissolved [as Cu]	DAILY MX	report only	all year
003	Copper, dissolved [as Cu]	DAILY MX	report only	all year
003	Copper, total [as Cu]	MO AVG	<= .0279 mg/L	all year
003	Copper, total [as Cu]	MO AVG	<= .0279 mg/L	all year
003	Copper, total [as Cu]	DAILY MX	<= .0403 mg/L	all year
003	Copper, total [as Cu]	DAILY MX	<= .0403 mg/L	all year
003	Temp. diff. between up/down stream deg. F	DAILY MX	<= 0 deg F	Jun, Jul, Aug
003	Temp. diff. between up/down stream deg. F	DAILY MX	<= 0 deg F	Jun, Jul, Aug
003	Flow, in conduit or thru treatment plant	MO AVG	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	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
003	Chlorine, total residual	MO AVG	< .1 mg/L	all year
003	Chlorine, total residual	MO AVG	< .1 mg/L	all year
003	Chlorine, total residual	DAILY MX	< .1 mg/L	all year
003	Chlorine, total residual	DAILY MX	< .1 mg/L	all year
004	Oxygen, dissolved [DO]	MINIMUM	>= 5 mg/L	all year
004	Oxygen, dissolved [DO]	MINIMUM	>= 5 mg/L	all year
004	pH	MINIMUM	>= 6.5 SU	all year
004	pH	MINIMUM	>= 6.5 SU	all year
004	pH	MAXIMUM	<= 8.5 SU	all year
004	pH	MAXIMUM	<= 8.5 SU	all year
004	Hardness, total [as CaCO3]	MO AVG	report only	all year
004	Hardness, total [as CaCO3]	MO AVG	report only	all year
004	Hardness, total [as CaCO3]	DAILY MX	report only	all year
004	Hardness, total [as CaCO3]	DAILY MX	report only	all year
004	Copper, dissolved [as Cu]	MO AVG	report only	all year
004	Copper, dissolved [as Cu]	MO AVG	report only	all year
004	Copper, dissolved [as Cu]	DAILY MX	report only	all year
004	Copper, dissolved [as Cu]	DAILY MX	report only	all year
004	Copper, total [as Cu]	MO AVG	<= .079 mg/L	all year
004	Copper, total [as Cu]	MO AVG	<= .079 mg/L	all year
004	Copper, total [as Cu]	DAILY MX	<= .0403 mg/L	all year
004	Copper, total [as Cu]	DAILY MX	<= .0403 mg/L	all year
004	Temp. diff. between up/down stream deg. F	DAILY MX	<= 0 deg F	Jun, Jul, Aug
004	Temp. diff. between up/down stream deg. F	DAILY MX	<= 0 deg F	Jun, Jul, Aug
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	Chlorine, total residual	MO AVG	< .1 mg/L	all year
004	Chlorine, total residual	MO AVG	< .1 mg/L	all year
004	Chlorine, total residual	DAILY MX	< .1 mg/L	all year
004	Chlorine, total residual	DAILY MX	< .1 mg/L	all year
005	Oxygen, dissolved [DO]	MINIMUM	>= 5 mg/L	all year
005	Oxygen, dissolved [DO]	MINIMUM	>= 5 mg/L	all year
005	pH	MINIMUM	>= 6.5 SU	all year
005	pH	MINIMUM	>= 6.5 SU	all year
005	pH	MAXIMUM	<= 8.5 SU	all year
005	pH	MAXIMUM	<= 8.5 SU	all year
005	Hardness, total [as CaCO3]	MO AVG	report only	all year
005	Hardness, total [as CaCO3]	MO AVG	report only	all year
005	Hardness, total [as CaCO3]	DAILY MX	report only	all year
005	Hardness, total [as CaCO3]	DAILY MX	report only	all year
005	Copper, dissolved [as Cu]	MO AVG	report only	all year
005	Copper, dissolved [as Cu]	MO AVG	report only	all year
005	Copper, dissolved [as Cu]	DAILY MX	report only	all year
005	Copper, dissolved [as Cu]	DAILY MX	report only	all year
005	Copper, total [as Cu]	MO AVG	<= .0279 mg/L	all year
005	Copper, total [as Cu]	MO AVG	<= .0279 mg/L	all year
005	Copper, total [as Cu]	DAILY MX	<= .0403 mg/L	all year
005	Copper, total [as Cu]	DAILY MX	<= .0403 mg/L	all year
005	Temp. diff. between up/down stream deg. F	DAILY MX	<= 0 deg F	Jun, Jul, Aug
005	Temp. diff. between up/down stream deg. F	DAILY MX	<= 0 deg F	Jun, Jul, Aug
005	Flow, in conduit or thru treatment plant	MO 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	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
005	Chlorine, total residual	MO AVG	< .1 mg/L	all year
005	Chlorine, total residual	MO AVG	< .1 mg/L	all year
005	Chlorine, total residual	DAILY MX	< .1 mg/L	all year
005	Chlorine, total residual	DAILY MX	< .1 mg/L	all year
007	Oxygen, dissolved [DO]	MINIMUM	>= 5 mg/L	all year
007	Oxygen, dissolved [DO]	MINIMUM	>= 5 mg/L	all year
007	pH	MINIMUM	>= 6.5 SU	all year
007	pH	MINIMUM	>= 6.5 SU	all year
007	pH	MAXIMUM	<= 8.5 SU	all year
007	pH	MAXIMUM	<= 8.5 SU	all year
007	Hardness, total [as CaCO3]	MO AVG	report only	all year
007	Hardness, total [as CaCO3]	MO AVG	report only	all year
007	Hardness, total [as CaCO3]	DAILY MX	report only	all year
007	Hardness, total [as CaCO3]	DAILY MX	report only	all year
007	Copper, dissolved [as Cu]	MO AVG	report only	all year
007	Copper, dissolved [as Cu]	MO AVG	report only	all year
007	Copper, dissolved [as Cu]	DAILY MX	report only	all year
007	Copper, dissolved [as Cu]	DAILY MX	report only	all year
007	Copper, total [as Cu]	MO AVG	<= .0279 mg/L	all year
007	Copper, total [as Cu]	MO AVG	<= .0279 mg/L	all year
007	Copper, total [as Cu]	DAILY MX	<= .0403 mg/L	all year
007	Copper, total [as Cu]	DAILY MX	<= .0403 mg/L	all year
007	Temp. diff. between up/down stream deg. F	DAILY MX	<= 0 deg F	Jun, Jul, Aug
007	Temp. diff. between up/down stream deg. F	DAILY MX	<= 0 deg F	Jun, Jul, Aug
007	Flow, in conduit or thru treatment plant	MO AVG	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	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
007	Chlorine, total residual	MO AVG	< .1 mg/L	all year
007	Chlorine, total residual	MO AVG	< .1 mg/L	all year
007	Chlorine, total residual	DAILY MX	< .1 mg/L	all year
007	Chlorine, total residual	DAILY MX	< .1 mg/L	all year
012	Oxygen, dissolved [DO]	MINIMUM	>= 5 mg/L	all year
012	Oxygen, dissolved [DO]	MINIMUM	>= 5 mg/L	all year
012	pH	MINIMUM	>= 6.5 SU	all year
012	pH	MINIMUM	>= 6.5 SU	all year
012	pH	MAXIMUM	<= 8.5 SU	all year
012	pH	MAXIMUM	<= 8.5 SU	all year
012	Hardness, total [as CaCO3]	MO AVG	report only	all year
012	Hardness, total [as CaCO3]	MO AVG	report only	all year
012	Hardness, total [as CaCO3]	DAILY MX	report only	all year
012	Hardness, total [as CaCO3]	DAILY MX	report only	all year
012	Copper, dissolved [as Cu]	MO AVG	report only	all year
012	Copper, dissolved [as Cu]	MO AVG	report only	all year
012	Copper, dissolved [as Cu]	DAILY MX	report only	all year
012	Copper, dissolved [as Cu]	DAILY MX	report only	all year
012	Copper, total [as Cu]	MO AVG	<= .0279 mg/L	all year
012	Copper, total [as Cu]	MO AVG	<= .0279 mg/L	all year
012	Copper, total [as Cu]	DAILY MX	<= .0403 mg/L	all year
012	Copper, total [as Cu]	DAILY MX	<= .0403 mg/L	all year
012	Temp. diff. between up/down stream deg. F	DAILY MX	<= 0 deg F	Jun, Jul, Aug
012	Temp. diff. between up/down stream deg. F	DAILY MX	<= 0 deg F	Jun, Jul, Aug
012	Flow, in conduit or thru treatment plant	MO AVG	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	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
012	Chlorine, total residual	MO AVG	< .1 mg/L	all year
012	Chlorine, total residual	MO AVG	< .1 mg/L	all year
012	Chlorine, total residual	DAILY MX	< .1 mg/L	all year
012	Chlorine, total residual	DAILY MX	< .1 mg/L	all year
014	Oxygen, dissolved [DO]	MINIMUM	>= 5 mg/L	all year
014	Oxygen, dissolved [DO]	MINIMUM	>= 5 mg/L	all year
014	pH	MINIMUM	>= 6.5 SU	all year
014	pH	MINIMUM	>= 6.5 SU	all year
014	pH	MAXIMUM	<= 8.5 SU	all year
014	pH	MAXIMUM	<= 8.5 SU	all year
014	Hardness, total [as CaCO3]	MO AVG	report only	all year
014	Hardness, total [as CaCO3]	MO AVG	report only	all year
014	Hardness, total [as CaCO3]	DAILY MX	report only	all year
014	Hardness, total [as CaCO3]	DAILY MX	report only	all year
014	Copper, dissolved [as Cu]	MO AVG	report only	all year
014	Copper, dissolved [as Cu]	MO AVG	report only	all year
014	Copper, dissolved [as Cu]	DAILY MX	report only	all year
014	Copper, dissolved [as Cu]	DAILY MX	report only	all year
014	Copper, total [as Cu]	MO AVG	<= .0279 mg/L	all year
014	Copper, total [as Cu]	MO AVG	<= .0279 mg/L	all year
014	Copper, total [as Cu]	DAILY MX	<= .0403 mg/L	all year
014	Copper, total [as Cu]	DAILY MX	<= .0403 mg/L	all year
014	Temp. diff. between up/down stream deg. F	DAILY MX	<= 0 deg F	Jun, Jul, Aug
014	Temp. diff. between up/down stream deg. F	DAILY MX	<= 0 deg F	Jun, Jul, Aug
014	Flow, in conduit or thru treatment plant	MO AVG	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	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
014	Chlorine, total residual	MO AVG	< .1 mg/L	all year
014	Chlorine, total residual	MO AVG	< .1 mg/L	all year
014	Chlorine, total residual	DAILY MX	< .1 mg/L	all year
014	Chlorine, total residual	DAILY MX	< .1 mg/L	all year
016	Oxygen, dissolved [DO]	MINIMUM	>= 5 mg/L	all year
016	Oxygen, dissolved [DO]	MINIMUM	>= 5 mg/L	all year
016	pH	MINIMUM	>= 6.5 SU	all year
016	pH	MINIMUM	>= 6.5 SU	all year
016	pH	MAXIMUM	<= 8.5 SU	all year
016	pH	MAXIMUM	<= 8.5 SU	all year
016	Hardness, total [as CaCO3]	MO AVG	report only	all year
016	Hardness, total [as CaCO3]	MO AVG	report only	all year
016	Hardness, total [as CaCO3]	DAILY MX	report only	all year
016	Hardness, total [as CaCO3]	DAILY MX	report only	all year
016	Copper, dissolved [as Cu]	MO AVG	report only	all year
016	Copper, dissolved [as Cu]	MO AVG	report only	all year
016	Copper, dissolved [as Cu]	DAILY MX	report only	all year
016	Copper, dissolved [as Cu]	DAILY MX	report only	all year
016	Copper, total [as Cu]	MO AVG	<= .0279 mg/L	all year
016	Copper, total [as Cu]	MO AVG	<= .0279 mg/L	all year
016	Copper, total [as Cu]	DAILY MX	<= .0403 mg/L	all year
016	Copper, total [as Cu]	DAILY MX	<= .0403 mg/L	all year
016	Temp. diff. between up/down stream deg. F	DAILY MX	<= 0 deg F	Jun, Jul, Aug
016	Temp. diff. between up/down stream deg. F	DAILY MX	<= 0 deg F	Jun, Jul, Aug
016	Flow, in conduit or thru treatment plant	MO AVG	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	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
016	Chlorine, total residual	MO AVG	< .1 mg/L	all year
016	Chlorine, total residual	MO AVG	< .1 mg/L	all year
016	Chlorine, total residual	DAILY MX	< .1 mg/L	all year
016	Chlorine, total residual	DAILY MX	< .1 mg/L	all year
019	Oxygen, dissolved [DO]	MINIMUM	>= 5 mg/L	all year
019	Oxygen, dissolved [DO]	MINIMUM	>= 5 mg/L	all year
019	pH	MINIMUM	>= 6.5 SU	all year
019	pH	MINIMUM	>= 6.5 SU	all year
019	pH	MAXIMUM	<= 8.5 SU	all year
019	pH	MAXIMUM	<= 8.5 SU	all year
019	Hardness, total [as CaCO3]	MO AVG	report only	all year
019	Hardness, total [as CaCO3]	MO AVG	report only	all year
019	Hardness, total [as CaCO3]	DAILY MX	report only	all year
019	Hardness, total [as CaCO3]	DAILY MX	report only	all year
019	Copper, dissolved [as Cu]	MO AVG	report only	all year
019	Copper, dissolved [as Cu]	MO AVG	report only	all year
019	Copper, dissolved [as Cu]	DAILY MX	report only	all year
019	Copper, dissolved [as Cu]	DAILY MX	report only	all year
019	Copper, total [as Cu]	MO AVG	<= .0279 mg/L	all year
019	Copper, total [as Cu]	MO AVG	<= .0279 mg/L	all year
019	Copper, total [as Cu]	DAILY MX	<= .0403 mg/L	all year
019	Copper, total [as Cu]	DAILY MX	<= .0403 mg/L	all year
019	Temp. diff. between up/down stream deg. F	DAILY MX	<= 0 deg F	Jun, Jul, Aug
019	Temp. diff. between up/down stream deg. F	DAILY MX	<= 0 deg F	Jun, Jul, Aug
019	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
019	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
019	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
019	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
019	Chlorine, total residual	MO AVG	< .1 mg/L	all year
019	Chlorine, total residual	MO AVG	< .1 mg/L	all year
019	Chlorine, total residual	DAILY MX	< .1 mg/L	all year
019	Chlorine, total residual	DAILY MX	< .1 mg/L	all year
029	Oxygen, dissolved [DO]	MINIMUM	>= 5 mg/L	all year
029	Oxygen, dissolved [DO]	MINIMUM	>= 5 mg/L	all year
029	pH	MINIMUM	>= 6.5 SU	all year
029	pH	MINIMUM	>= 6.5 SU	all year
029	pH	MAXIMUM	<= 8.5 SU	all year
029	pH	MAXIMUM	<= 8.5 SU	all year
029	Hardness, total [as CaCO3]	MO AVG	report only	all year
029	Hardness, total [as CaCO3]	MO AVG	report only	all year
029	Hardness, total [as CaCO3]	DAILY MX	report only	all year
029	Hardness, total [as CaCO3]	DAILY MX	report only	all year
029	Copper, dissolved [as Cu]	MO AVG	report only	all year
029	Copper, dissolved [as Cu]	MO AVG	report only	all year
029	Copper, dissolved [as Cu]	DAILY MX	report only	all year
029	Copper, dissolved [as Cu]	DAILY MX	report only	all year
029	Copper, total [as Cu]	MO AVG	<= .0279 mg/L	all year
029	Copper, total [as Cu]	MO AVG	<= .0279 mg/L	all year
029	Copper, total [as Cu]	DAILY MX	<= .0403 mg/L	all year
029	Copper, total [as Cu]	DAILY MX	<= .0403 mg/L	all year
029	Temp. diff. between up/down stream deg. F	DAILY MX	<= 0 deg F	Jun, Jul, Aug
029	Temp. diff. between up/down stream deg. F	DAILY MX	<= 0 deg F	Jun, Jul, Aug
029	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
029	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
029	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
029	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
029	Chlorine, total residual	MO AVG	< .1 mg/L	all year
029	Chlorine, total residual	MO AVG	< .1 mg/L	all year
029	Chlorine, total residual	DAILY MX	< .1 mg/L	all year
029	Chlorine, total residual	DAILY MX	< .1 mg/L	all year
033	Oxygen, dissolved [DO]	MINIMUM	>= 5 mg/L	all year
033	Oxygen, dissolved [DO]	MINIMUM	>= 5 mg/L	all year
033	pH	MINIMUM	>= 6.5 SU	all year
033	pH	MINIMUM	>= 6.5 SU	all year
033	pH	MAXIMUM	<= 8.5 SU	all year
033	pH	MAXIMUM	<= 8.5 SU	all year
033	Hardness, total [as CaCO3]	MO AVG	report only	all year
033	Hardness, total [as CaCO3]	MO AVG	report only	all year
033	Hardness, total [as CaCO3]	DAILY MX	report only	all year
033	Hardness, total [as CaCO3]	DAILY MX	report only	all year
033	Copper, dissolved [as Cu]	MO AVG	report only	all year
033	Copper, dissolved [as Cu]	MO AVG	report only	all year
033	Copper, dissolved [as Cu]	DAILY MX	report only	all year
033	Copper, dissolved [as Cu]	DAILY MX	report only	all year
033	Copper, total [as Cu]	MO AVG	<= .0279 mg/L	all year
033	Copper, total [as Cu]	MO AVG	<= .0279 mg/L	all year
033	Copper, total [as Cu]	DAILY MX	<= .0403 mg/L	all year
033	Copper, total [as Cu]	DAILY MX	<= .0403 mg/L	all year
033	Temp. diff. between up/down stream deg. F	DAILY MX	<= 0 deg F	Jun, Jul, Aug
033	Temp. diff. between up/down stream deg. F	DAILY MX	<= 0 deg F	Jun, Jul, Aug
033	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
033	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
033	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
033	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
033	Chlorine, total residual	MO AVG	< .1 mg/L	all year
033	Chlorine, total residual	MO AVG	< .1 mg/L	all year
033	Chlorine, total residual	DAILY MX	< .1 mg/L	all year
033	Chlorine, total residual	DAILY MX	< .1 mg/L	all year