LYONS CREEK MHC, LLC

NPDES permit MD0053511 · Minor NON-POTW · effective, expires 2028-01-31 · 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

28values over a limit
0required values missing, on 0 form(s)
1of 11 forms filed late

Last period with anything received: 2026-07-31. Most often over: Nitrogen, ammonia total [as N] (16), BOD, 5-day, 20 deg. C (6), Solids, total suspended (5).

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 (25)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]INST MIN >= 5 mg/L all year
001BOD, 5-day, 20 deg. CMX MO AV <= 10 mg/L all year
001BOD, 5-day, 20 deg. CMX WK AV <= 15 mg/L all year
001BOD, 5-day, 20 deg. CMX MO AV <= 5.8 lb/d all year
001BOD, 5-day, 20 deg. CMX WK AV <= 8.8 lb/d all year
001pHMINIMUM >= 6.5 SU all year
001pHMAXIMUM <= 8.5 SU all year
001Solids, total suspendedMX MO AV <= 10 mg/L all year
001Solids, total suspendedMX WK AV <= 15 mg/L all year
001Solids, total suspendedMX MO AV <= 5.8 lb/d all year
001Solids, total suspendedMX WK AV <= 8.8 lb/d all year
001Nitrogen, ammonia total [as N]MX MO AV <= 1.7 mg/L May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]MX MO AV <= 2.7 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001Nitrogen, ammonia total [as N]DAILY MX <= 14 mg/L May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]DAILY MX <= 14 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001Nitrogen, ammonia total [as N]MX MO AV <= .9 lb/d May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]MX MO AV <= 1.6 lb/d Jan, Feb, Mar, Apr, Nov, Dec
001Nitrogen, ammonia total [as N]DAILY MX <= 8.2 lb/d May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]DAILY MX <= 8.2 lb/d Jan, Feb, Mar, Apr, Nov, Dec
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Chlorine, total residualMAXIMUM <= .011 mg/L all year
001E. coliGX <= 126 MPN/100mL all year
001BOD, 5-day, percent removalMINIMUM >= 85 % all year
001Solids, suspended percent removalMINIMUM >= 85 % 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