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Lyon Shipyard & Fabrication, LLC

Ship Building And Repairing, Norfolk, Virginia. NPDES permit VA0089168, in force until Jan 31, 2030. Last 12 months: over a limit once (last March 2026), 2 of 8 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 10 days after each period: outfall 002 form Q1 quarterly (2 values), outfall 901 form Q1 quarterly (8 values), outfall 002 form S1 twice a year
Last report on file
June 2026
Oct 2024 – Sep 2025
0 values over a limit, 23 required values missing, 5 of 7 reports late

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

Period endingParameterReportedLimitOver by
March 2026TU Static 48Hr Acute Americamysis bahia (formerly Mysidopsis bahia), maximum9.8≤ 1 tox acute880%

Limits in force (14)

ParameterStatisticLimitMonthsOutfall
pHminimum≥ 6 SUall year002
pHmaximum≤ 9 SUall year002
Solids, total suspendedmaximumreport only (mg/L)all year002
Zinc, total recoverablemaximumreport only (ug/L)all year002
Copper, total recoverablemaximumreport only (ug/L)all year002
Precipitation volumeevent totalreport only (Mgal)all year002
pHminimum≥ 6 SUall year901
pHmaximum≤ 9 SUall year901
Solids, total suspendedmaximumreport only (mg/L)all year901
Zinc, total recoverablemaximumreport only (ug/L)all year901
Copper, total recoverablemaximumreport only (ug/L)all year901
Precipitation volumeevent totalreport only (Mgal)all year901
TU Static 48Hr Acute Americamysis bahia (formerly Mysidopsis bahia)maximum≤ 1 tox acuteall year901
TU 48Hr Acute Cyprinodon variegatusmaximum≤ 1 tox acuteall year901

New limits from Apr 1, 2029

ParameterNew limitNew or tighterMedian, last 12 months× new limit
Copper, total recoverable, maximum14 ug/Lnew283 ug/L (3 values)20.2×
Zinc, total recoverable, maximum130 ug/Lnew533 ug/L (3 values)4.1×

Cited limits by parameter: Virginia's rules and the federal ones.

Same industry: the 6 Transportation Equipment permits in Virginia.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/VA0089168 · MCP: https://passage-data.com/mcp