Worcester County Dept. of Pubic Works, Water/Wastewater Division

NPDES permit MD0023477 · Major POTW · effective, expires 2029-12-31 · EPA's file as of 2026-09-19

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

7values over a limit
0required values missing, on 0 form(s)
0of 22 forms filed late

Last period with anything received: 2026-07-31. Most often over: Nitrogen, total [as N] (4), BOD, 5-day, 20 deg. C (2), Phosphorus, total [as P] (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 (56)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]INST MIN >= 5 mg/L all year
001BOD, 5-day, 20 deg. CMX MO AV <= 10 mg/L all year
001BOD, 5-day, 20 deg. CMX WK AV <= 15 mg/L all year
001BOD, 5-day, 20 deg. CMX MO AV <= 209 lb/d all year
001BOD, 5-day, 20 deg. CMX WK AV <= 313 lb/d all year
001pHMINIMUM >= 6.5 SU all year
001pHMAXIMUM <= 8.5 SU all year
001Solids, total suspendedMX MO AV <= 10 mg/L all year
001Solids, total suspendedMX WK AV <= 15 mg/L all year
001Solids, total suspendedMX MO AV <= 209 lb/d all year
001Solids, total suspendedMX WK AV <= 313 lb/d all year
001Nitrogen, total [as N]MX MO AV <= 3 mg/L May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, total [as N]MO TOTAL report only all year
001Nitrogen, total [as N]ANNL MAX <= 31926 lb/yr all year
001Nitrogen, total [as N]MX MO AV <= 4 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001Nitrogen, total [as N]TC <= 13811 lb/yr May, Jun, Jul, Aug, Sep, Oct
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 <= .5 mg/L all year
001Phosphorus, total [as P]MO TOTAL report only all year
001Phosphorus, total [as P]ANNL MAX <= 4556 lb/yr all year
001Phosphorus, total [as P]TC <= 2302 lb/yr all year
001Cyanide, free [amenable to chlorination]QRTR AVG report only all year
001Cyanide, free [amenable to chlorination]QRTR AVG report only Mar, Jun, Sep, Dec
001Phosphate, ortho [as P]MO AVG report only all year
001Benzo[b]fluorantheneQRTR AVG report only all year
001Benzo[k]fluorantheneQRTR AVG report only all year
001Benzo[a]pyreneQRTR AVG report only all year
001Bis[2-chloroethoxy]methaneQRTR AVG report only all year
001ChryseneQRTR AVG report only all year
001Indeno[1,2,3-cd]pyreneQRTR AVG report only all year
001Benzo[a]anthraceneQRTR AVG report only all year
001Dibenz[a,h]anthraceneQRTR AVG report only all year
001BenzidineQRTR AVG report only all year
0014,4'-DDTQRTR AVG report only all year
0014,4'-DDDQRTR AVG report only all year
0014,4'-DDEQRTR AVG report only all year
001AldrinQRTR AVG report only all year
001Chlordane [tech mix. and metabolites]QRTR AVG report only all year
001DieldrinQRTR AVG report only all year
001EndrinQRTR AVG report only all year
001ToxapheneQRTR AVG report only all year
001HeptachlorQRTR AVG report only all year
001Heptachlor epoxideQRTR AVG report only all year
001HexachlorobenzeneQRTR AVG 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
001Coliform, fecal generalMD <= 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
101BOD, 5-day, 20 deg. CMO AVG report only all year
101Solids, total suspendedMO AVG 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