Lyon Shipyard & Fabrication, LLC

NPDES permit VA0089168 · Minor NON-POTW · effective, expires 2030-01-31 · 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.

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

1values over a limit
10required values missing, on 2 form(s)
4of 10 forms filed late

Last period with anything received: 2026-06-30. Most often over: TU Static 48Hr Acute Americamysis bahia (formerly Mysidopsis bahia) (1).

Reporting

Reports are due about 10 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (14)

OutfallParameterStatisticLimitMonths
002pHMINIMUM >= 6 SU all year
002pHMAXIMUM <= 9 SU all year
002Solids, total suspendedMAXIMUM report only all year
002Zinc, total recoverableMAXIMUM report only all year
002Copper, total recoverableMAXIMUM report only all year
002Precipitation volumeET report only all year
901pHMINIMUM >= 6 SU all year
901pHMAXIMUM <= 9 SU all year
901Solids, total suspendedMAXIMUM report only all year
901Zinc, total recoverableMAXIMUM report only all year
901Copper, total recoverableMAXIMUM report only all year
901Precipitation volumeET report only all year
901TU Static 48Hr Acute Americamysis bahia (formerly Mysidopsis bahia)MAXIMUM <= 1 tox acute all year
901TU 48Hr Acute Cyprinodon variegatusMAXIMUM <= 1 tox acute 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