SHA LAKE LOUISE ACID LEACHATE

NPDES permit MD0056341 · Minor NON-POTW · effective, expires 2027-12-30 · EPA's file as of 2026-09-19

Check this month's numbers before you file
Watch this permit — $79 a month. Every Monday, from EPA's newest files: the next report due and when, whether EPA's file holds your last one, any change to this permit's limits or status, and the renewal date.

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

2values over a limit
0required values missing, on 0 form(s)
0of 20 forms filed late

Last period with anything received: 2026-06-30. Most often over: Manganese, total [as Mn] (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 (80)

OutfallParameterStatisticLimitMonths
001pHMINIMUM >= 6.5 SU all year
001pHMINIMUM >= 6.5 SU all year
001pHMAXIMUM <= 9 SU all year
001pHMAXIMUM <= 9 SU all year
001Carbon, dissolved organic [as C]MO AVG report only all year
001Carbon, dissolved organic [as C]MO AVG report only all year
001Carbon, dissolved organic [as C]DAILY MX report only all year
001Carbon, dissolved organic [as C]DAILY MX report only all year
001Hardness, total [as CaCO3]MO AVG report only all year
001Hardness, total [as CaCO3]MO AVG report only all year
001Hardness, total [as CaCO3]DAILY MX report only all year
001Hardness, total [as CaCO3]DAILY MX report only all year
001Cadmium, total [as Cd]MX MO AV <= .00072 mg/L all year
001Cadmium, total [as Cd]MX MO AV <= .00072 mg/L all year
001Cadmium, total [as Cd]DAILY MX <= .0018 mg/L all year
001Cadmium, total [as Cd]DAILY MX <= .0018 mg/L all year
001Copper, total [as Cu]MX MO AV <= .009 mg/L all year
001Copper, total [as Cu]MX MO AV <= .009 mg/L all year
001Copper, total [as Cu]DAILY MX <= .013 mg/L all year
001Copper, total [as Cu]DAILY MX <= .013 mg/L all year
001Iron, total [as Fe]MO AVG <= 3 mg/L all year
001Iron, total [as Fe]MO AVG <= 3 mg/L all year
001Iron, total [as Fe]DAILY MX <= 6 mg/L all year
001Iron, total [as Fe]DAILY MX <= 6 mg/L all year
001Manganese, total [as Mn]MO AVG <= 2 mg/L all year
001Manganese, total [as Mn]MO AVG <= 2 mg/L all year
001Manganese, total [as Mn]DAILY MX <= 4 mg/L all year
001Manganese, total [as Mn]DAILY MX <= 4 mg/L all year
001Zinc, total [as Zn]MX MO AV <= .12 mg/L all year
001Zinc, total [as Zn]MX MO AV <= .12 mg/L all year
001Zinc, total [as Zn]DAILY MX <= .12 mg/L all year
001Zinc, total [as Zn]DAILY MX <= .12 mg/L all year
001Aluminum, total [as Al]MO AVG report only all year
001Aluminum, total [as Al]MO AVG report only all year
001Aluminum, total [as Al]DAILY MX report only all year
001Aluminum, total [as Al]DAILY MX report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Toxicity, ChronicMO AVG <= 2 toxic Mar, Jun, Sep, Dec
001Toxicity, ChronicMO AVG <= 2 toxic Mar, Jun, Sep, Dec
002pHMINIMUM >= 6.5 SU all year
002pHMINIMUM >= 6.5 SU all year
002pHMAXIMUM <= 9 SU all year
002pHMAXIMUM <= 9 SU all year
002Carbon, dissolved organic [as C]MO AVG report only all year
002Carbon, dissolved organic [as C]MO AVG report only all year
002Carbon, dissolved organic [as C]DAILY MX report only all year
002Carbon, dissolved organic [as C]DAILY MX report only all year
002Hardness, total [as CaCO3]MO AVG report only all year
002Hardness, total [as CaCO3]MO AVG report only all year
002Hardness, total [as CaCO3]DAILY MX report only all year
002Hardness, total [as CaCO3]DAILY MX report only all year
002Cadmium, total [as Cd]MX MO AV <= .00072 mg/L all year
002Cadmium, total [as Cd]MX MO AV <= .00072 mg/L all year
002Cadmium, total [as Cd]DAILY MX <= .0018 mg/L all year
002Cadmium, total [as Cd]DAILY MX <= .0018 mg/L all year
002Copper, total [as Cu]MX MO AV <= .009 mg/L all year
002Copper, total [as Cu]MX MO AV <= .009 mg/L all year
002Copper, total [as Cu]DAILY MX <= .013 mg/L all year
002Copper, total [as Cu]DAILY MX <= .013 mg/L all year
002Iron, total [as Fe]MO AVG <= 3 mg/L all year
002Iron, total [as Fe]MO AVG <= 3 mg/L all year
002Iron, total [as Fe]DAILY MX <= 6 mg/L all year
002Iron, total [as Fe]DAILY MX <= 6 mg/L all year
002Manganese, total [as Mn]MO AVG <= 2 mg/L all year
002Manganese, total [as Mn]MO AVG <= 2 mg/L all year
002Manganese, total [as Mn]DAILY MX <= 4 mg/L all year
002Manganese, total [as Mn]DAILY MX <= 4 mg/L all year
002Zinc, total [as Zn]MX MO AV <= .12 mg/L all year
002Zinc, total [as Zn]MX MO AV <= .12 mg/L all year
002Zinc, total [as Zn]DAILY MX <= .12 mg/L all year
002Zinc, total [as Zn]DAILY MX <= .12 mg/L all year
002Aluminum, total [as Al]MO AVG report only all year
002Aluminum, total [as Al]MO AVG report only all year
002Aluminum, total [as Al]DAILY MX report only all year
002Aluminum, total [as Al]DAILY MX report only all year
002Whole effluent toxicityMO AVG <= 2 Ratio all year
002Whole effluent toxicityMO AVG <= 2 Ratio all year
002Flow, in conduit or thru treatment plantMO AVG report only all year
002Flow, 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