Rehoboth Beach Wastewater Treatment Plant

NPDES permit DE0020028 · Major POTW · expired, expires 2022-06-30 · 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 2022-06-30 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
0required values missing, on 0 form(s)
0of 10 forms filed late

Last period with anything received: 2026-06-30.

Reporting

Reports are due about 28 days after each monitoring period ends (the most common figure among DE permits in EPA's filings — check your permit).

Limits in force (34)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]DAILY MN >= 5 mg/L all year
001BOD, 5-day, 20 deg. CDAILY AV <= 15 mg/L all year
001BOD, 5-day, 20 deg. CDAILY MX <= 23 mg/L all year
001BOD, 5-day, 20 deg. CDAILY AV <= 425 lb/d all year
001BOD, 5-day, 20 deg. CDAILY MX <= 652 lb/d all year
001BOD, 5-day, 20 deg. CDAILY AV report only all year
001BOD, 5-day, 20 deg. CDAILY MX report only all year
001BOD, 5-day, 20 deg. CDAILY AV report only all year
001BOD, 5-day, 20 deg. CDAILY MX report only all year
001pHDAILY MN >= 6 SU all year
001pHDAILY MX <= 9 SU all year
001Solids, total suspendedDAILY AV <= 15 mg/L all year
001Solids, total suspendedDAILY MX <= 23 mg/L all year
001Solids, total suspendedDAILY AV <= 425 lb/d all year
001Solids, total suspendedDAILY MX <= 652 lb/d all year
001Solids, total suspendedDAILY AV report only all year
001Solids, total suspendedDAILY MX report only all year
001Solids, total suspendedDAILY AV report only all year
001Solids, total suspendedDAILY MX report only all year
001Nitrogen, total [as N]DAILY AV report only all year
001Nitrogen, total [as N]DAILY MX report only all year
001Nitrogen, total [as N]DAILY AV report only all year
001Nitrogen, total [as N]DAILY MX report only all year
001Nitrogen, total [as N]ANNL MAX <= 24300 lb/yr all year
001Phosphorus, total [as P]DAILY AV report only all year
001Phosphorus, total [as P]DAILY MX report only all year
001Phosphorus, total [as P]DAILY AV report only all year
001Phosphorus, total [as P]DAILY MX report only all year
001Phosphorus, total [as P]ANNL MAX <= 5308 lb/yr all year
001Enterococci: group D, MF trans, M-E, EIADAILY AV <= 10 CFU/100mL all year
001Enterococci: group D, MF trans, M-E, EIADAILY MX report only all year
001Flow, in conduit or thru treatment plantDAILY AV report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Chlorine, total residualDAILY MX <= 0 mg/L 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