Rosebud Mining Company

NPDES permit MD0070629 · Major NON-POTW · effective, expires 2028-08-31 · 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

0values over a limit
0required values missing, on 0 form(s)
0of 44 forms filed late

Last period with anything received: 2026-07-31.

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 (65)

OutfallParameterStatisticLimitMonths
001Specific conductanceMO AVG report only all year
001Specific conductanceDAILY MX report only all year
001Sulfate [as S]DAILY MX report only Mar, Jun, Sep, Dec
001pHMINIMUM >= 6.5 SU all year
001pHMAXIMUM <= 8.5 SU all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedDAILY MX <= 45 mg/L all year
001Calcium, total [as Ca]DAILY MX report only Mar, Jun, Sep, Dec
001Magnesium, total [as Mg]DAILY MX report only Mar, Jun, Sep, Dec
001Iron, total [as Fe]MO AVG <= 1 mg/L all year
001Iron, total [as Fe]DAILY MX <= 1 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
001Selenium, dissolved [as Se]DAILY MX report only all year
001Selenium, total [as Se]DAILY MX report only all year
001Temp. diff. between up/down stream deg. FDAILY MX <= 0 deg F May, Jun, Jul, Aug, Sep
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX <= 2.2 MGD all year
001Mercury, dissolved [as Hg]DAILY MX report only all year
001Mercury, total [as Hg]DAILY MX report only all year
001Toxicity, AcuteDAILY MX < 1 toxic Dec
002pHMINIMUM >= 6.5 SU all year
002pHMAXIMUM <= 8.5 SU all year
002Solids, total suspendedMX MO AV <= 30 mg/L all year
002Solids, total suspendedDAILY MX <= 45 mg/L all year
002Solids, settleableDAILY MX <= .5 mL/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
002Manganese, total [as Mn]MO AVG <= 2 mg/L all year
002Manganese, total [as Mn]DAILY MX <= 4 mg/L all year
002Temp. diff. between up/down stream deg. FDAILY MX <= 0 deg F May, Jun, Jul, Aug, Sep
002Flow, in conduit or thru treatment plantMO AVG report only all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
003pHMINIMUM >= 6.5 SU all year
003pHMAXIMUM <= 8.5 SU all year
003Solids, total suspendedMX MO AV <= 30 mg/L all year
003Solids, total suspendedDAILY MX <= 45 mg/L all year
003Solids, settleableDAILY MX <= .5 mL/L all year
003Iron, total [as Fe]MX MO AV <= 3 mg/L all year
003Iron, total [as Fe]DAILY MX <= 6 mg/L all year
003Manganese, total [as Mn]MX MO AV <= 2 mg/L all year
003Manganese, total [as Mn]DAILY MX <= 4 mg/L all year
003Temp. diff. between up/down stream deg. FDAILY MX <= 0 deg F May, Jun, Jul, Aug, Sep
003Flow, in conduit or thru treatment plantMO AVG report only all year
003Flow, in conduit or thru treatment plantDAILY MX report only all year
004Specific conductanceMO AVG report only all year
004Specific conductanceDAILY MX report only all year
004Sulfate [as S]DAILY MX report only Mar, Jun, Sep, Dec
004pHMINIMUM >= 6.5 SU all year
004pHMAXIMUM <= 8.5 SU all year
004Solids, total suspendedMX MO AV <= 30 mg/L all year
004Solids, total suspendedDAILY MX <= 45 mg/L all year
004Calcium, total [as Ca]DAILY MX report only Mar, Jun, Sep, Dec
004Magnesium, total [as Mg]DAILY MX report only Mar, Jun, Sep, Dec
004Iron, total [as Fe]MO AVG <= 1 mg/L all year
004Iron, total [as Fe]DAILY MX <= 1 mg/L all year
004Manganese, total [as Mn]MO AVG <= 2 mg/L all year
004Manganese, total [as Mn]DAILY MX <= 4 mg/L all year
004Selenium, dissolved [as Se]DAILY MX report only all year
004Selenium, total [as Se]DAILY MX report only all year
004Temp. diff. between up/down stream deg. FDAILY MX <= 0 deg F May, Jun, Jul, Aug, Sep
004Flow, in conduit or thru treatment plantDAILY MX <= 2.2 MGD all year
004Mercury, dissolved [as Hg]DAILY MX report only all year
004Mercury, total [as Hg]DAILY MX report only all year
004Toxicity, AcuteDAILY MX <= 1 tox acute 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