LOCKHEED MARTIN CORPORATION

NPDES permit MD0071773 · Minor NON-POTW · effective, expires 2027-10-31 · 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

2values over a limit
0required values missing, on 0 form(s)
0of 11 forms filed late

Last period with anything received: 2026-07-31. Most often over: Cadmium, total [as Cd] (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 (64)

OutfallParameterStatisticLimitMonths
001pHMINIMUM >= 6 SU all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001pHMAXIMUM <= 9 SU all year
001Cadmium, dissolved [as Cd]MO AVG report only all year
001Cadmium, dissolved [as Cd]MO AVG report only all year
001Cadmium, dissolved [as Cd]DAILY MX report only all year
001Cadmium, dissolved [as Cd]DAILY MX report only all year
001Cadmium, total [as Cd]MX MO AV <= 5 ug/L all year
001Cadmium, total [as Cd]MX MO AV <= 5 ug/L all year
001Cadmium, total [as Cd]DAILY MX <= 12.5 ug/L all year
001Cadmium, total [as Cd]DAILY MX <= 12.5 ug/L all year
001Copper, total [as Cu]MX MO AV <= 9 ug/L all year
001Copper, total [as Cu]MX MO AV <= 9 ug/L all year
001Copper, total [as Cu]DAILY MX <= 13 ug/L all year
001Copper, total [as Cu]DAILY MX <= 13 ug/L all year
001Lead, total [as Pb]MX MO AV <= 2.5 ug/L all year
001Lead, total [as Pb]MX MO AV <= 2.5 ug/L all year
001Lead, total [as Pb]DAILY MX <= 65 ug/L all year
001Lead, total [as Pb]DAILY MX <= 65 ug/L all year
001Nickel, total [as Ni]MX MO AV <= 52 ug/L all year
001Nickel, total [as Ni]MX MO AV <= 52 ug/L all year
001Nickel, total [as Ni]DAILY MX <= 470 ug/L all year
001Nickel, total [as Ni]DAILY MX <= 470 ug/L all year
001Zinc, total [as Zn]MX MO AV <= 120 ug/L all year
001Zinc, total [as Zn]MX MO AV <= 120 ug/L all year
001Zinc, total [as Zn]DAILY MX <= 120 ug/L all year
001Zinc, total [as Zn]DAILY MX <= 120 ug/L all year
001Selenium, total [as Se]MX MO AV <= 5 ug/L all year
001Selenium, total [as Se]MX MO AV <= 5 ug/L all year
001Selenium, total [as Se]DAILY MX <= 20 ug/L all year
001Selenium, total [as Se]DAILY MX <= 20 ug/L all year
001Vinyl chlorideMX MO AV <= .7 ug/L all year
001Vinyl chlorideMX MO AV <= .7 ug/L all year
001Vinyl chlorideDAILY MX report only all year
001Vinyl chlorideDAILY MX report only all year
001Volatile Organic Compound [VOC]MO AVG report only all year
001Volatile Organic Compound [VOC]MO AVG report only all year
001Volatile Organic Compound [VOC]DAILY MX <= 100 ug/L all year
001Volatile Organic Compound [VOC]DAILY MX <= 100 ug/L all year
001PER-AND POLYFLUOROALKYL SUBSTANCESMO AVG report only all year
001PER-AND POLYFLUOROALKYL SUBSTANCESMO AVG report only all year
001PER-AND POLYFLUOROALKYL SUBSTANCESDAILY MX report only all year
001PER-AND POLYFLUOROALKYL SUBSTANCESDAILY MX report only all year
001PER-AND POLYFLUOROALKYL SUBSTANCESMO AVG report only all year
001PER-AND POLYFLUOROALKYL SUBSTANCESMO AVG report only all year
001PER-AND POLYFLUOROALKYL SUBSTANCESDAILY MX report only all year
001PER-AND POLYFLUOROALKYL SUBSTANCESDAILY MX report only all year
001Mercury, total [as Hg]MX MO AV <= .77 ug/L all year
001Mercury, total [as Hg]MX MO AV <= .77 ug/L all year
001Mercury, total [as Hg]DAILY MX <= 1.4 ug/L all year
001Mercury, total [as Hg]DAILY MX <= 1.4 ug/L all year
001FlowMO AVG report only all year
001FlowMO AVG report only all year
001FlowDAILY MX report only all year
001FlowDAILY MX report only all year
001TrichloroetheneMX MO AV <= 10 ug/L all year
001TrichloroetheneMX MO AV <= 10 ug/L all year
001TrichloroetheneDAILY MX report only all year
001TrichloroetheneDAILY MX report only all year
001cis-1,2-DichloroetheneMX MO AV <= 300 ug/L all year
001cis-1,2-DichloroetheneMX MO AV <= 300 ug/L all year
001cis-1,2-DichloroetheneDAILY MX report only all year
001cis-1,2-DichloroetheneDAILY MX 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