The MUSHROOM COMPANY

NPDES permit MD0069019 · Minor NON-POTW · effective, expires 2029-02-28 · 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)
7of 10 forms filed late

Last period with anything received: 2026-06-30.

Reporting

Reports are due about 28 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (52)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]MINIMUM >= 5 mg/L all year
001Oxygen, dissolved [DO]MINIMUM >= 5 mg/L all year
001BOD, 5-day, 20 deg. CMX MO AV <= 7 mg/L May, Jun, Jul, Aug, Sep
001BOD, 5-day, 20 deg. CMX MO AV <= 7 mg/L May, Jun, Jul, Aug, Sep
001BOD, 5-day, 20 deg. CMX MO AV <= 30 mg/L Jan, Feb, Mar, Apr, Oct, Nov, Dec
001BOD, 5-day, 20 deg. CMX MO AV <= 30 mg/L Jan, Feb, Mar, Apr, Oct, Nov, Dec
001BOD, 5-day, 20 deg. CMX DA AV <= 11 mg/L May, Jun, Jul, Aug, Sep
001BOD, 5-day, 20 deg. CMX DA AV <= 11 mg/L May, Jun, Jul, Aug, Sep
001BOD, 5-day, 20 deg. CMX DA AV <= 45 mg/L Jan, Feb, Mar, Apr, Oct, Nov, Dec
001BOD, 5-day, 20 deg. CMX DA AV <= 45 mg/L Jan, Feb, Mar, Apr, Oct, Nov, Dec
001BOD, 5-day, 20 deg. CMX MO AV <= 51.5 lb/d May, Jun, Jul, Aug, Sep
001BOD, 5-day, 20 deg. CMX MO AV <= 51.5 lb/d May, Jun, Jul, Aug, Sep
001BOD, 5-day, 20 deg. CMX MO AV <= 51.5 lb/d Jan, Feb, Mar, Apr, Oct, Nov, Dec
001BOD, 5-day, 20 deg. CMX MO AV <= 51.5 lb/d Jan, Feb, Mar, Apr, Oct, Nov, Dec
001BOD, 5-day, 20 deg. CMX DA AV <= 87.1 lb/d May, Jun, Jul, Aug, Sep
001BOD, 5-day, 20 deg. CMX DA AV <= 87.1 lb/d May, Jun, Jul, Aug, Sep
001BOD, 5-day, 20 deg. CMX DA AV <= 87.1 lb/d Jan, Feb, Mar, Apr, Oct, Nov, Dec
001BOD, 5-day, 20 deg. CMX DA AV <= 87.1 lb/d Jan, Feb, Mar, Apr, Oct, Nov, Dec
001BOD, 5-day, 20 deg. CANNL AVG <= 35.3 lb/d all year
001BOD, 5-day, 20 deg. CANNL AVG <= 35.3 lb/d all year
001pHMINIMUM >= 6.5 SU all year
001pHMINIMUM >= 6.5 SU all year
001pHMAXIMUM <= 8.5 SU all year
001pHMAXIMUM <= 8.5 SU all year
001Solids, total suspendedMX MO AV <= 106.5 lb/d all year
001Solids, total suspendedMX MO AV <= 106.5 lb/d all year
001Solids, total suspendedMX DA AV <= 155.2 lb/d all year
001Solids, total suspendedMX DA AV <= 155.2 lb/d all year
001Solids, total suspendedANNL AVG <= 64.3 lb/d all year
001Solids, total suspendedANNL AVG <= 64.3 lb/d 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
001Copper, dissolved [as Cu]MO AVG report only all year
001Copper, dissolved [as Cu]MO AVG report only all year
001Copper, dissolved [as Cu]DAILY MX report only all year
001Copper, dissolved [as Cu]DAILY MX report only 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]MX DA AV <= 13 ug/L all year
001Copper, total [as Cu]MX DA AV <= 13 ug/L all year
001Temp. diff. between up/down stream deg. FMAXIMUM <= 0 deg F Jun, Jul, Aug
001Temp. diff. between up/down stream deg. FMAXIMUM <= 0 deg F Jun, Jul, Aug
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Chlorine, total residualMX MO AV <= .1 mg/L all year
001Chlorine, total residualMX MO AV <= .1 mg/L all year
001Chlorine, total residualDAILY MX <= .1 mg/L all year
001Chlorine, total residualDAILY MX <= .1 mg/L 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