Maryland Environmental Service, Water/Watewater Division

NPDES permit MD0067903 · Minor POTW · expired, expires 2026-01-31 · EPA's file as of 2026-09-19

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This permit expired on 2026-01-31 and is expired: its last limits keep applying until a new permit is issued, and EPA still expects the reports.

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

16values over a limit
0required values missing, on 0 form(s)
0of 11 forms filed late

Last period with anything received: 2026-07-31. Most often over: Nitrogen, ammonia total [as N] (9), Solids, total suspended (4), Oxygen, dissolved [DO] (1).

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 (40)

OutfallParameterStatisticLimitMonths
003Temperature, water deg. fahrenheitMO AVG report only all year
003Temperature, water deg. fahrenheitMX DA AV report only all year
003Temperature, water deg. fahrenheitMO AVG report only all year
003Temperature, water deg. fahrenheitMX DA AV report only all year
003Temperature, water deg. fahrenheitMO AVG report only all year
003Temperature, water deg. fahrenheitMX DA AV report only all year
003Oxygen, dissolved [DO]INST MIN >= 7 mg/L all year
003BOD, 5-day, 20 deg. CMX MO AV <= 12 mg/L May, Jun, Jul, Aug, Sep, Oct
003BOD, 5-day, 20 deg. CMX MO AV <= 30 mg/L Jan, Feb, Mar, Apr, Nov, Dec
003BOD, 5-day, 20 deg. CMX WK AV <= 18 mg/L May, Jun, Jul, Aug, Sep, Oct
003BOD, 5-day, 20 deg. CMX WK AV <= 45 mg/L Jan, Feb, Mar, Apr, Nov, Dec
003BOD, 5-day, 20 deg. CMX MO AV <= .5 lb/d May, Jun, Jul, Aug, Sep, Oct
003BOD, 5-day, 20 deg. CMX MO AV <= 1.3 lb/d Jan, Feb, Mar, Apr, Nov, Dec
003BOD, 5-day, 20 deg. CMX WK AV <= .75 lb/d May, Jun, Jul, Aug, Sep, Oct
003BOD, 5-day, 20 deg. CMX WK AV <= 1.9 lb/d Jan, Feb, Mar, Apr, Nov, Dec
003pHMINIMUM >= 6.5 SU all year
003pHMAXIMUM <= 8.5 SU all year
003Solids, total suspendedMX MO AV <= 20 mg/L all year
003Solids, total suspendedMO AVG report only all year
003Solids, total suspendedMX WK AV <= 30 mg/L all year
003Solids, total suspendedMX MO AV <= .83 lb/d all year
003Solids, total suspendedANNL MAX report only all year
003Solids, total suspendedMX WK AV <= 1.3 lb/d all year
003Solids, total suspendedMO TOTAL report only all year
003Oil & GreaseMX MO AV <= 15 mg/L all year
003Oil & GreaseMX DA AV <= 15 mg/L all year
003Oil & GreaseMX MO AV <= .62 lb/d all year
003Oil & GreaseMX DA AV <= .62 lb/d all year
003Nitrogen, ammonia total [as N]MX MO AV <= 2.7 mg/L Jan, Feb, Mar, Apr, Nov, Dec
003Nitrogen, ammonia total [as N]MX MO AV <= 2 mg/L May, Jun, Jul, Aug, Sep, Oct
003Nitrogen, ammonia total [as N]MX DA AV <= 6.7 mg/L Jan, Feb, Mar, Apr, Nov, Dec
003Nitrogen, ammonia total [as N]MX DA AV <= 7.4 mg/L May, Jun, Jul, Aug, Sep, Oct
003Nitrogen, ammonia total [as N]MX MO AV <= .11 lb/d Jan, Feb, Mar, Apr, Nov, Dec
003Nitrogen, ammonia total [as N]MX MO AV <= .08 lb/d May, Jun, Jul, Aug, Sep, Oct
003Nitrogen, ammonia total [as N]MX DA AV <= .27 lb/d Jan, Feb, Mar, Apr, Nov, Dec
003Nitrogen, ammonia total [as N]MX DA AV <= .3 lb/d May, Jun, Jul, Aug, Sep, Oct
003Flow, in conduit or thru treatment plantMO AVG report only all year
003Flow, in conduit or thru treatment plantDAILY MX report only all year
003E. coliGX <= 126 MPN/100mL all year
003Flow, totalMO TOTAL 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