NORTHLAKE SHIPYARD INC

NPDES permit WA0030864 · Minor NON-POTW · effective, expires 2027-09-30 · 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.

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

0values over a limit
0required values missing, on 0 form(s)
0of 36 forms filed late

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

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 (23)

OutfallParameterStatisticLimitMonths
003Volume, totalDAILY MX report only (alert) all year
BGT2TurbidityDAILY MX report only (alert) all year
BGT9TurbidityDAILY MX report only (alert) all year
DD1TurbidityDAILY MX report only (alert) all year
DD1Oil and grease, hexane extr methodDAILY MX <= 5 mg/L all year
DD1Copper, total [as Cu]DAILY MX <= 76 ug/L (alert) all year
DD1Zinc, total [as Zn]DAILY MX <= 48 ug/L (alert) all year
DD1Turbidity, increase over backgroundDAILY MX <= 5 NTU all year
DD1Oil and grease visualDAILY MX <= 0 N=0;Y=1 all year
DD2TurbidityDAILY MX report only (alert) all year
DD2Oil and grease, hexane extr methodDAILY MX <= 5 mg/L all year
DD2Copper, total [as Cu]DAILY MX <= 76 ug/L (alert) all year
DD2Zinc, total [as Zn]DAILY MX <= 48 ug/L (alert) all year
DD2Turbidity, increase over backgroundDAILY MX <= 5 NTU all year
DD2Oil and grease visualDAILY MX <= 0 N=0;Y=1 all year
MP1Copper, total [as Cu]DAILY MX report only (alert) all year
MP1Zinc, total [as Zn]DAILY MX report only (alert) all year
MP2Copper, total [as Cu]DAILY MX report only (alert) all year
MP2Zinc, total [as Zn]DAILY MX report only (alert) all year
MP3Copper, total [as Cu]DAILY MX report only (alert) all year
MP3Zinc, total [as Zn]DAILY MX report only (alert) all year
MP4Copper, total [as Cu]DAILY MX report only (alert) all year
MP4Zinc, total [as Zn]DAILY 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