CONRAD SHIPYARDS LLC

NPDES permit LA0116386 · Minor NON-POTW · effective, expires 2026-10-31 · EPA's file as of 2026-09-19

Check this month's numbers before you file

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

1values over a limit
0required values missing, on 0 form(s)
0of 40 forms filed late

Last period with anything received: 2026-06-30. Most often over: Solids, total suspended (1).

Reporting

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

Limits in force (65)

OutfallParameterStatisticLimitMonths
001pHINST MIN >= 6 SU all year
001pHINST MAX <= 9 SU all year
001Oil & GreaseDAILY MX <= 15 mg/L all year
001Carbon, tot organic [TOC]DAILY MX <= 50 mg/L 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
002pHINST MIN >= 6 SU all year
002pHINST MAX <= 9 SU all year
002Oil & GreaseDAILY MX <= 15 mg/L all year
002Carbon, tot organic [TOC]DAILY MX <= 50 mg/L 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
004pHINST MIN >= 6 SU all year
004pHINST MIN >= 6 SU all year
004pHINST MAX <= 9 SU all year
004pHINST MAX <= 9 SU all year
004Solids, total suspendedDAILY MX <= 62 mg/L all year
004Solids, total suspendedDAILY MX <= 62 mg/L all year
004Oil & GreaseDAILY MX <= 15 mg/L all year
004Oil & GreaseDAILY MX <= 15 mg/L all year
004Carbon, tot organic [TOC]DAILY MX <= 50 mg/L all year
004Carbon, tot organic [TOC]DAILY MX <= 50 mg/L all year
004Flow, in conduit or thru treatment plantMO AVG report only all year
004Flow, in conduit or thru treatment plantMO AVG report only all year
004Flow, in conduit or thru treatment plantDAILY MX report only all year
004Flow, in conduit or thru treatment plantDAILY MX report only all year
005pHINST MIN >= 6 SU all year
005pHINST MAX <= 9 SU all year
005Solids, total suspendedDAILY MX <= 90 mg/L all year
005Solids, total suspendedDAILY MX <= 90 mg/L all year
005Oil & GreaseDAILY MX <= 15 mg/L all year
005Carbon, tot organic [TOC]DAILY MX <= 50 mg/L all year
005Lead, total [as Pb]DAILY MX <= 50 ug/L all year
005BenzeneDAILY MX <= 50 ug/L all year
005BTEXDAILY MX <= 250 ug/L all year
005Flow, in conduit or thru treatment plantMO AVG report only all year
005Flow, in conduit or thru treatment plantDAILY MX report only all year
006pHINST MIN >= 6 SU all year
006pHINST MAX <= 9 SU all year
006Oil & GreaseDAILY MX <= 15 mg/L all year
006Carbon, tot organic [TOC]DAILY MX <= 50 mg/L all year
006Flow, in conduit or thru treatment plantMO AVG report only all year
006Flow, in conduit or thru treatment plantDAILY MX report only all year
03BOxygen demand, chem. [high level] [COD]DAILY MX <= 250 mg/L all year
03BOxygen demand, chem. [high level] [COD]DAILY MX <= 250 mg/L all year
03BpHINST MIN >= 6 SU all year
03BpHINST MIN >= 6 SU all year
03BpHINST MAX <= 9 SU all year
03BpHINST MAX <= 9 SU all year
03BOil & GreaseDAILY MX <= 15 mg/L all year
03BOil & GreaseDAILY MX <= 15 mg/L all year
03BFlow, in conduit or thru treatment plantMO AVG report only all year
03BFlow, in conduit or thru treatment plantMO AVG report only all year
03BFlow, in conduit or thru treatment plantDAILY MX report only all year
03BFlow, in conduit or thru treatment plantDAILY MX report only all year
03BOil and grease visualDAILY MX <= 0 occur/d all year
03BOil and grease visualDAILY MX <= 0 occur/d all year
101Oxygen demand, chem. [high level] [COD]MO AVG <= 200 mg/L all year
101Oxygen demand, chem. [high level] [COD]DAILY MX <= 300 mg/L all year
101pHINST MIN >= 6 SU all year
101pHINST MAX <= 9 SU all year
101Solids, total suspendedDAILY MX <= 45 mg/L all year
101Oil & GreaseDAILY MX <= 15 mg/L all year
101Flow, in conduit or thru treatment plantMO AVG report only all year
101Flow, 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