U.S. COAST GUARD - BALTIMORE Y

NPDES permit MD0067300 · Minor FEDERAL · effective, expires 2027-05-31 · EPA's file as of 2026-09-19

Check this month's numbers before you file

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

9values over a limit
0required values missing, on 0 form(s)
0of 16 forms filed late

Last period with anything received: 2026-06-30. Most often over: Copper, total [as Cu] (5), Zinc, total [as Zn] (4).

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 (68)

OutfallParameterStatisticLimitMonths
003Temp. diff. between up/down stream deg. FDAILY MX <= 0 deg F all year
003Temp. diff. between up/down stream deg. FDAILY MX <= 0 deg F all year
003Flow, in conduit or thru treatment plantMO AVG report only all year
003Flow, in conduit or thru treatment plantMO AVG report only all year
003Flow, in conduit or thru treatment plantDAILY MX report only all year
003Flow, in conduit or thru treatment plantDAILY MX report only all year
005pHMINIMUM >= 6.5 SU all year
005pHMINIMUM >= 6.5 SU all year
005pHDAILY MX <= 8.5 SU all year
005pHDAILY MX <= 8.5 SU all year
005Hardness, total [as CaCO3]MO AVG report only all year
005Hardness, total [as CaCO3]MO AVG report only all year
005Hardness, total [as CaCO3]DAILY MX report only all year
005Hardness, total [as CaCO3]DAILY MX report only all year
005Copper, dissolved [as Cu]MO AVG report only all year
005Copper, dissolved [as Cu]MO AVG report only all year
005Copper, dissolved [as Cu]DAILY MX report only all year
005Copper, dissolved [as Cu]DAILY MX report only all year
005Copper, total [as Cu]DAILY MX <= .013 mg/L all year
005Copper, total [as Cu]DAILY MX <= .013 mg/L all year
005Lead, total [as Pb]MO AVG report only all year
005Lead, total [as Pb]MO AVG report only all year
005Lead, total [as Pb]DAILY MX report only all year
005Lead, total [as Pb]DAILY MX report only all year
005Zinc, dissolved [as Zn]MO AVG report only all year
005Zinc, dissolved [as Zn]MO AVG report only all year
005Zinc, dissolved [as Zn]DAILY MX report only all year
005Zinc, dissolved [as Zn]DAILY MX report only all year
005Zinc, total [as Zn]DAILY MX <= .12 mg/L all year
005Zinc, total [as Zn]DAILY MX <= .12 mg/L all year
005Flow, in conduit or thru treatment plantDAILY MX report only all year
005Flow, in conduit or thru treatment plantDAILY MX report only all year
005Flow, in conduit or thru treatment plantMO AVG report only all year
005Flow, in conduit or thru treatment plantMO AVG report only all year
006pHMINIMUM >= 6.5 SU all year
006pHMINIMUM >= 6.5 SU all year
006pHMAXIMUM <= 8.5 SU all year
006pHMAXIMUM <= 8.5 SU all year
006Hardness, total [as CaCO3]MO AVG report only all year
006Hardness, total [as CaCO3]MO AVG report only all year
006Hardness, total [as CaCO3]DAILY MX report only all year
006Hardness, total [as CaCO3]DAILY MX report only all year
006Copper, dissolved [as Cu]MO AVG report only all year
006Copper, dissolved [as Cu]MO AVG report only all year
006Copper, dissolved [as Cu]DAILY MX report only all year
006Copper, dissolved [as Cu]DAILY MX report only all year
006Copper, total [as Cu]DAILY MX <= .013 mg/L all year
006Copper, total [as Cu]DAILY MX <= .013 mg/L all year
006Lead, total [as Pb]MO AVG report only all year
006Lead, total [as Pb]MO AVG report only all year
006Lead, total [as Pb]DAILY MX report only all year
006Lead, total [as Pb]DAILY MX report only all year
006Zinc, dissolved [as Zn]MO AVG report only all year
006Zinc, dissolved [as Zn]MO AVG report only all year
006Zinc, dissolved [as Zn]DAILY MX report only all year
006Zinc, dissolved [as Zn]DAILY MX report only all year
006Zinc, total [as Zn]DAILY MX <= .12 mg/L all year
006Zinc, total [as Zn]DAILY MX <= .12 mg/L all year
006FlowDAILY MX report only all year
006FlowDAILY MX report only all year
006FlowMO AVG report only all year
006FlowMO AVG report only all year
008Temp. diff. between up/down stream deg. FDAILY MX <= 0 deg F all year
008Temp. diff. between up/down stream deg. FDAILY MX <= 0 deg F all year
008Flow, in conduit or thru treatment plantDAILY MX report only all year
008Flow, in conduit or thru treatment plantDAILY MX report only all year
008Flow, in conduit or thru treatment plantMO AVG report only all year
008Flow, in conduit or thru treatment plantMO AVG report only all year

Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states