DETYENS SHIPYARD INC

NPDES permit SC0047562 · Minor NON-POTW · administratively continued, expires 2021-01-31 · 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.

This permit expired on 2021-01-31 and is administratively continued: 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 64 forms filed late

Last period with anything received: 2026-08-31.

Reporting

Reports are due about 29 days after each monitoring period ends (the most common figure among SC permits in EPA's filings — check your permit).

Limits in force (58)

OutfallParameterStatisticLimitMonths
001BOD, 5-day, 20 deg. CDAILY MX <= 20 mg/L all year
001Oxygen demand, chem. [high level] [COD]DAILY MX report only all year
001pHINST MIN >= 6.5 SU all year
001pHINST MAX <= 8.5 SU all year
001Solids, total suspendedDAILY MX <= 40 mg/L all year
001Copper, total [as Cu]MO AVG report only all year
001Copper, total [as Cu]DAILY MX report only all year
001Lead, total [as Pb]MO AVG report only all year
001Lead, total [as Pb]DAILY MX report only all year
001Zinc, total [as Zn]MO AVG report only all year
001Zinc, total [as Zn]DAILY 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
001Mercury, total [as Hg]MO AVG report only all year
001Mercury, total [as Hg]DAILY MX report only all year
002Flow, in conduit or thru treatment plantMO AVG report only all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
003BOD, 5-day, 20 deg. CDAILY MX report only all year
003Oxygen demand, chem. [high level] [COD]DAILY MX report only all year
003pHINST MIN >= 6.5 SU all year
003pHINST MAX <= 8.5 SU all year
003Solids, total suspendedDAILY MX <= 40 mg/L all year
003Copper, total [as Cu]MO AVG report only all year
003Copper, total [as Cu]DAILY MX report only all year
003Lead, total [as Pb]MO AVG report only all year
003Lead, total [as Pb]DAILY MX report only all year
003Zinc, total [as Zn]MO AVG report only all year
003Zinc, total [as Zn]DAILY MX report only all year
003Flow, in conduit or thru treatment plantMO AVG report only all year
003Flow, in conduit or thru treatment plantDAILY MX report only all year
003Mercury, total [as Hg]MO AVG report only all year
003Mercury, total [as Hg]DAILY MX report only all year
01ABOD, 5-day, 20 deg. CDAILY MX <= 20 mg/L all year
01AOxygen demand, chem. [high level] [COD]DAILY MX report only all year
01ApHINST MIN >= 6.5 SU all year
01ApHINST MAX <= 8.5 SU all year
01ASolids, total suspendedDAILY MX <= 40 mg/L all year
01ACopper, total [as Cu]MO AVG report only all year
01ACopper, total [as Cu]DAILY MX report only all year
01ALead, total [as Pb]MO AVG report only all year
01ALead, total [as Pb]DAILY MX report only all year
01AZinc, total [as Zn]MO AVG report only all year
01AZinc, total [as Zn]DAILY MX report only all year
01AMercury, total [as Hg]MO AVG report only all year
01AMercury, total [as Hg]DAILY MX report only all year
01BBOD, 5-day, 20 deg. CDAILY MX <= 20 mg/L all year
01BOxygen demand, chem. [high level] [COD]DAILY MX report only all year
01BpHINST MIN >= 6.5 SU all year
01BpHINST MAX <= 8.5 SU all year
01BSolids, total suspendedDAILY MX <= 40 mg/L all year
01BCopper, total [as Cu]MO AVG report only all year
01BCopper, total [as Cu]DAILY MX report only all year
01BLead, total [as Pb]MO AVG report only all year
01BLead, total [as Pb]DAILY MX report only all year
01BZinc, total [as Zn]MO AVG report only all year
01BZinc, total [as Zn]DAILY MX report only all year
01BMercury, total [as Hg]MO AVG report only all year
01BMercury, total [as Hg]DAILY 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