Howard Seymour Water Reclamation Plant

NPDES permit DE0021512 · Major POTW · expired, expires 2023-10-31 · EPA's file as of 2026-09-19

Check this month's numbers before you file

This permit expired on 2023-10-31 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

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 (28)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]DAILY MN report only all year
001Oxygen, dissolved [DO]DAILY MX report only 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 <= 188 lb/d all year
001BOD, 5-day, 20 deg. CDAILY MX <= 288 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
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 <= 188 lb/d all year
001Solids, total suspendedDAILY MX <= 288 lb/d all year
001Solids, total suspendedDAILY AV report only all year
001Solids, total suspendedDAILY MX report only all year
001Nitrogen, total [as N]DAILY AV <= 8 mg/L all year
001Nitrogen, total [as N]DAILY MX report only all year
001Nitrogen, total [as N]DAILY AV <= 100 lb/d all year
001Nitrogen, total [as N]DAILY MX report only all year
001Phosphorus, total [as P]DAILY AV <= 2 mg/L all year
001Phosphorus, total [as P]DAILY MX report only all year
001Phosphorus, total [as P]DAILY AV <= 25 lb/d all year
001Phosphorus, total [as P]DAILY MX report only 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 <= 104 CFU/100mL 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

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