Town of Accident

NPDES permit MD0051721 · Minor POTW · effective, expires 2026-12-31 · 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.

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

27values over a limit
6required values missing, on 3 form(s)
4of 33 forms filed late

Last period with anything received: 2026-07-31. Most often over: BOD, 5-day, 20 deg. C (11), Solids, total suspended (8), Solids, suspended percent removal (4).

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 (51)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitMO AVG report only all year
001Temperature, water deg. fahrenheitMX DA AV report only all year
001Temperature, water deg. fahrenheitMO AVG report only all year
001Temperature, water deg. fahrenheitMX DA AV report only all year
001Temperature, water deg. fahrenheitMO AVG report only all year
001Temperature, water deg. fahrenheitMX DA AV 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 Jan, Feb, Mar, Apr, Nov, Dec
001BOD, 5-day, 20 deg. CMX MO AV <= 12 mg/L May, Jun, Jul, Aug, Sep, Oct
001BOD, 5-day, 20 deg. CMX WK AV <= 45 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001BOD, 5-day, 20 deg. CMX WK AV <= 18 mg/L May, Jun, Jul, Aug, Sep, Oct
001BOD, 5-day, 20 deg. CMX MO AV <= 13 lb/d Jan, Feb, Mar, Apr, Nov, Dec
001BOD, 5-day, 20 deg. CMX MO AV <= 5 lb/d May, Jun, Jul, Aug, Sep, Oct
001BOD, 5-day, 20 deg. CMX WK AV <= 19 lb/d Jan, Feb, Mar, Apr, Nov, Dec
001BOD, 5-day, 20 deg. CMX WK AV <= 7.5 lb/d May, Jun, Jul, Aug, Sep, Oct
001pHMINIMUM >= 6.5 SU all year
001pHMAXIMUM <= 8.5 SU all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedWKLY AVG <= 45 mg/L all year
001Solids, total suspendedMO AVG <= 13 lb/d all year
001Solids, total suspendedWKLY AVG <= 19 lb/d all year
001Solids, total suspendedCUM TOTL <= 13400 lb/yr all year
001Solids, total suspendedMO TOTAL report only all year
001Nitrogen, ammonia total [as N]MO AVG <= 3.5 mg/L May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]MO AVG report only Jan, Feb, Mar, Apr, Nov, Dec
001Nitrogen, ammonia total [as N]DAILY MX <= 9.9 mg/L May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]DAILY MX <= 14.1 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001Nitrogen, ammonia total [as N]DAILY MX <= 4.1 lb/d May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]DAILY MX <= 5.9 lb/d Jan, Feb, Mar, Apr, Nov, Dec
001Nitrogen, ammonia total [as N]MO AVG <= 1.5 lb/d May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]MO AVG report only Jan, Feb, Mar, Apr, Nov, Dec
001Hardness, total [as CaCO3]MO AVG report only all year
001Hardness, total [as CaCO3]DAILY MX 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]MO AVG report only all year
001Hardness, total [as CaCO3]DAILY MX report only all year
001Copper, total recoverableMO AVG report only all year
001Copper, total recoverableDAILY 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
001E. coliGX <= 126 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
101BOD, 5-day, 20 deg. CMO AVG report only all year
101Solids, total suspendedMO AVG report only all year
101Flow, in conduit or thru treatment plantMO AVG report only all year
101Flow, in conduit or thru treatment plantDAILY MX report only all year
201Flow, 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