Garrett County Board of Education

NPDES permit MD0024449 · Minor POTW · expired, expires 2026-01-31 · 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.

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

5values 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] (4), E. coli (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 (24)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitMAXIMUM report only all year
001Temperature, water deg. fahrenheitMAXIMUM report only all year
001Oxygen, dissolved [DO]INST MIN >= 5 mg/L all year
001Oxygen, dissolved [DO]DLYAVMIN >= 6 mg/L all year
001BOD, 5-day, 20 deg. CMX MO AV <= 30 mg/L all year
001BOD, 5-day, 20 deg. CMX WK AV <= 45 mg/L all year
001BOD, 5-day, 20 deg. CMX MO AV <= 12.5 lb/d all year
001BOD, 5-day, 20 deg. CMX WK AV <= 18.8 lb/d all year
001pHMINIMUM >= 6.5 SU all year
001pHMAXIMUM <= 8.5 SU all year
001Solids, total suspendedMX MO AV <= 30 mg/L all year
001Solids, total suspendedMX WK AV <= 45 mg/L all year
001Solids, total suspendedMX MO AV <= 12.5 lb/d all year
001Solids, total suspendedMO TOTAL report only all year
001Solids, total suspendedMX WK AV <= 18.8 lb/d all year
001Solids, total suspendedCUM TOTL <= 8200 lb/yr all year
001Nitrogen, ammonia total [as N]MX MO AV <= 1.3 mg/L all year
001Nitrogen, ammonia total [as N]MX DA AV <= 4.3 mg/L all year
001Nitrogen, ammonia total [as N]MX MO AV <= .54 lb/d all year
001Nitrogen, ammonia total [as N]MX DA AV <= 1.79 lb/d 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
001E. coliGX <= 126 MPN/100mL all year
001Flow, totalTOTAL 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