Tidewater Barge Lines/Tidewater Terminal Company

NPDES permit WA0038776 · Minor NON-POTW · effective, expires 2030-12-31 · 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.

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

0values over a limit
7required values missing, on 3 form(s)
0of 40 forms filed late

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

Reporting

Reports are due about 15 days after each monitoring period ends (the most common figure among WA permits in EPA's filings — check your permit).

Limits in force (35)

OutfallParameterStatisticLimitMonths
0000Turbidity, increase over backgroundMAXIMUM <= 5 NTU all year
001TurbidityDAILY MX report only (alert) all year
001pHMAXIMUM <= 8.5 SU all year
001pHMINIMUM >= 6.5 SU all year
001Solids, total suspendedDAILY MX <= 10 mg/L all year
001Oil and grease, hexane extr methodDAILY MX <= 5 mg/L all year
001Copper, total [as Cu]DAILY MX <= 10.5 ug/L all year
001Copper, total [as Cu]MO AVG <= 7.3 ug/L all year
001Lead, total [as Pb]DAILY MX report only (alert) all year
001Zinc, total [as Zn]DAILY MX <= 74 ug/L all year
001Oil and grease visualDAILY MX report only (alert) all year
001ATide stageDAILY MX report only (alert) all year
001ApHSingle Rdg report only (alert) all year
001ASolids, total suspendedSingle Rdg report only (alert) all year
001ACopper, total [as Cu]Single Rdg report only (alert) all year
001ALead, total [as Pb]Single Rdg report only (alert) all year
001AZinc, total [as Zn]Single Rdg report only (alert) all year
001ATime of Sample CollectionDAILY MX report only (alert) all year
001ADMR Attachment RequiredDAILY MX report only (alert) all year
001ATurbidity, backgroundDAILY MX report only (alert) all year
001AOutfall observation,visual, y/n responseDAILY MX report only (alert) all year
002Tide stageDAILY MX report only (alert) all year
002TurbidityDAILY MX report only (alert) all year
002pHMAXIMUM <= 8.5 SU all year
002pHMINIMUM >= 6.5 SU all year
002Solids, total suspendedDAILY MX <= 10 mg/L all year
002Oil and grease, hexane extr methodDAILY MX <= 5 mg/L all year
002Copper, total [as Cu]DAILY MX <= 76 ug/L (alert) all year
002Lead, total [as Pb]DAILY MX report only (alert) all year
002Zinc, total [as Zn]DAILY MX <= 48 ug/L (alert) all year
002Time of Sample CollectionDAILY MX report only (alert) all year
002DMR Attachment RequiredDAILY MX report only (alert) all year
002Turbidity, backgroundDAILY MX report only (alert) all year
002Oil and grease visualDAILY MX <= 0 N=0;Y=1 all year
002Outfall observation,visual, y/n responseDAILY MX report only (alert) 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