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NPDES permit MD0055352 · Minor POTW · effective, expires 2028-09-30 · 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

1values over a limit
32required values missing, on 4 form(s)
4of 12 forms filed late

Last period with anything received: 2026-07-31. Most often over: Coliform, fecal general (1).

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 (57)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]INST MIN >= 5 mg/L all year
001Oxygen, dissolved [DO]MH >= 6 mg/L all year
001BOD, 5-day, 20 deg. CMX MO AV <= 30 mg/L Apr, May
001BOD, 5-day, 20 deg. CMX MO AV <= 30 mg/L Jan, Feb, Mar, Jun, Jul, Aug, Sep, Oct, Nov, Dec
001BOD, 5-day, 20 deg. CMX WK AV <= 45 mg/L Apr, May
001BOD, 5-day, 20 deg. CMX WK AV <= 45 mg/L Jan, Feb, Mar, Jun, Jul, Aug, Sep, Oct, Nov, Dec
001BOD, 5-day, 20 deg. CMX MO AV <= 70 lb/d Apr, May
001BOD, 5-day, 20 deg. CMX MO AV <= 70 lb/d Jan, Feb, Mar, Jun, Jul, Aug, Sep, Oct, Nov, Dec
001BOD, 5-day, 20 deg. CMX WK AV <= 105 lb/d Apr, May
001BOD, 5-day, 20 deg. CMX WK AV <= 105 lb/d Jan, Feb, Mar, Jun, Jul, Aug, Sep, Oct, Nov, Dec
001pHMINIMUM >= 6.5 SU all year
001pHMAXIMUM <= 8.5 SU all year
001Solids, total suspendedMX MO AV <= 90 mg/L Apr, May
001Solids, total suspendedMX MO AV <= 90 mg/L Jan, Feb, Mar, Jun, Jul, Aug, Sep, Oct, Nov, Dec
001Solids, total suspendedMX MO AV <= 211 lb/d Apr, May
001Solids, total suspendedMX MO AV <= 211 lb/d Jan, Feb, Mar, Jun, Jul, Aug, Sep, Oct, Nov, Dec
001Nitrogen, total [as N]MO AVG report only Apr, May
001Nitrogen, total [as N]MO AVG report only Jan, Feb, Mar, Jun, Jul, Aug, Sep, Oct, Nov, Dec
001Nitrogen, total [as N]MO AVG report only Apr, May
001Nitrogen, total [as N]MO AVG report only Jan, Feb, Mar, Jun, Jul, Aug, Sep, Oct, Nov, Dec
001Nitrogen, total [as N]ANNL TOT report only all year
001Nitrogen, organic total [as N]MO AVG report only Jan, Feb, Mar, Jun, Jul, Aug, Sep, Oct, Nov, Dec
001Nitrogen, organic total [as N]MO AVG report only Apr, May
001Nitrogen, organic total [as N]MO AVG report only Jan, Feb, Mar, Jun, Jul, Aug, Sep, Oct, Nov, Dec
001Nitrogen, organic total [as N]MO AVG report only Apr, May
001Nitrogen, ammonia total [as N]MO AVG report only Apr, May
001Nitrogen, ammonia total [as N]MO AVG report only Jan, Feb, Mar, Nov, Dec
001Nitrogen, ammonia total [as N]MO AVG report only May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]DAILY MX <= 9.2 mg/L May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]MO AVG report only Apr, May
001Nitrogen, ammonia total [as N]MO AVG report only Jan, Feb, Mar, Nov, Dec
001Nitrogen, ammonia total [as N]DAILY MX <= 22 lb/d May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, Kjeldahl, total [as N]MO AVG report only Apr, May
001Nitrogen, Kjeldahl, total [as N]MO AVG report only Jan, Feb, Mar, Jun, Jul, Aug, Sep, Oct, Nov, Dec
001Nitrite + Nitrate total [as N]MO AVG report only Apr, May
001Nitrite + Nitrate total [as N]MO AVG report only Jan, Feb, Mar, Jun, Jul, Aug, Sep, Oct, Nov, Dec
001Nitrite + Nitrate total [as N]MO AVG report only Apr, May
001Nitrite + Nitrate total [as N]MO AVG report only Jan, Feb, Mar, Jun, Jul, Aug, Sep, Oct, Nov, Dec
001Phosphate, total [as PO4]ANNL TOT report only all year
001Phosphorus, total [as P]MO AVG report only Apr, May
001Phosphorus, total [as P]MO AVG report only Jan, Feb, Mar, Jun, Jul, Aug, Sep, Oct, Nov, Dec
001Phosphorus, total [as P]MO AVG report only Apr, May
001Phosphorus, total [as P]MO AVG report only Jan, Feb, Mar, Jun, Jul, Aug, Sep, Oct, 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
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 <= .1 mg/L all year
001Phosphorous, in total orthophosphateMO AVG report only Jan, Feb, Mar, Jun, Jul, Aug, Sep, Oct, Nov, Dec
001Phosphorous, in total orthophosphateMO AVG report only Apr, May
001Phosphorous, in total orthophosphateMO AVG report only Jan, Feb, Mar, Jun, Jul, Aug, Sep, Oct, Nov, Dec
001Phosphorous, in total orthophosphateMO AVG report only Apr, May
001Coliform, fecal generalMO MED <= 14 MPN/100mL all year
001BOD, 5-day, percent removalMINIMUM >= 85 % all year
001Solids, suspended percent removalMINIMUM >= 85 % all year
001Flow, totalMO TOTAL report only all year
001Flow, totalANNL TOT 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