The Town Of Elkton

NPDES permit MD0020681 · Major POTW · expired, expires 2025-06-30 · 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.

This permit expired on 2025-06-30 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

0values over a limit
4required values missing, on 2 form(s)
5of 23 forms filed late

Last period with anything received: 2026-07-31.

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 (58)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]INST MIN >= 5 mg/L all year
001Oxygen, dissolved [DO]MO AV MN >= 5.5 mg/L all year
001Oxygen, dissolved [DO]MH >= 6 mg/L Feb, Mar, Apr, May
001BOD, 5-day, 20 deg. CMX MO AV <= 10 mg/L May, Jun, Jul, Aug, Sep, Oct
001BOD, 5-day, 20 deg. CMX MO AV <= 30 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001BOD, 5-day, 20 deg. CMX WK AV <= 15 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 MO AV <= 267 lb/d May, Jun, Jul, Aug, Sep, Oct
001BOD, 5-day, 20 deg. CMX MO AV <= 800 lb/d Jan, Feb, Mar, Apr, Nov, Dec
001BOD, 5-day, 20 deg. CMX WK AV <= 400 lb/d May, Jun, Jul, Aug, Sep, Oct
001BOD, 5-day, 20 deg. CMX WK AV <= 1200 lb/d Jan, Feb, Mar, Apr, Nov, Dec
001pHMINIMUM >= 6.5 SU all year
001pHMAXIMUM <= 8.5 SU all year
001Solids, total suspendedMX MO AV <= 28 mg/L all year
001Solids, total suspendedMX WK AV <= 42 mg/L all year
001Solids, total suspendedMX MO AV <= 747 lb/d all year
001Solids, total suspendedANNL MAX <= 278669 lb/yr all year
001Solids, total suspendedMO TOTAL report only all year
001Solids, total suspendedMX WK AV <= 1120 lb/d all year
001Nitrogen, total [as N]MO AVG report only all year
001Nitrogen, total [as N]ANNL MAX <= 37156 lb/yr all year
001Nitrogen, total [as N]TOTAL report only all year
001Nitrogen, total [as N]ANNL TOT report only all year
001Nitrogen, total [as N]ANNL TOT report only all year
001Nitrogen, total [as N]ANNL TOT report only all year
001Nitrogen, organic total [as N]MO AVG report only all year
001Nitrogen, ammonia total [as N]MO AVG report only all year
001Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
001Nitrite + Nitrate total [as N]MO AVG report only all year
001Phosphorus, total [as P]MO AVG report only all year
001Phosphorus, total [as P]ANNL MAX <= 2787 lb/yr all year
001Phosphorus, total [as P]TOTAL report only all year
001Phosphorus, total [as P]ANNL TOT report only all year
001Phosphorus, total [as P]ANNL TOT report only all year
001Phosphorus, total [as P]ANNL TOT report only all year
001Phosphate, ortho [as P]MO AVG report only all year
001AcroleinQRTR AVG report only Mar, Jun, Sep, Dec
0013,3'-DichlorobenzidineQRTR AVG report only Mar, Jun, Sep, Dec
001BenzidineQRTR AVG report only Mar, Jun, Sep, 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 residualDAILY MX <= .1 mg/L all year
001E. coliGX <= 126 MPN/100mL all year
001NonylphenolQRTR AVG report only Mar, Jun, Sep, Dec
001Polychlorinated biphenyls [PCB] pg/LQRTR AVG report only Mar, Jun, Sep, Dec
001Polychlorinated biphenyls [PCB] pg/LQT report only Mar, Jun, Sep, Dec
001Polychlorinated biphenyls [PCB] pg/LANNL MAX report only Dec
001Flow, totalTOTAL report only all year
001Flow, totalANNL TOT report only all year
001Flow, totalANNL TOT report only all year
001Flow, totalANNL TOT report only all year
TRADSolids, total suspendedCUM TOTL report only all year
TRADSolids, total suspendedCUM TOTL report only all year
TRADNitrogen, total [as N]CUM TOTL report only all year
TRADNitrogen, total [as N]CUM TOTL report only all year
TRADPhosphorus, total [as P]CUM TOTL report only all year
TRADPhosphorus, total [as P]CUM TOTL report only all year
TRADFlowYA 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