Spills · chemical

South seattle, wa

Sodium Hydroxide Tank Release; South Seattle, Wa · NOAAORR-7798

issued
2008-03-25 00:00Z
status
cancelled 2008-04-08 00:00Z
self-cancels
2008-04-08 00:00Z
authority
NOAA OR&R
sea
The Coastal Waters of Southeast Alaska and British Columbia
position
47.680, -122.320
source
incidentnews · first seen 2026-09-03 15:09Z

Original warning text

Sodium Hydroxide Tank release; South Seattle, WA.
South Seattle, WA.
1. USCG Sector Seattle contacted the NOAA SSC the night of March 25 for a risk assessment of the release of sodium hydroxide from a storage tank at a Washington Department of Ecology cleanup site at an industrial plating facility in south Seattle at 2411 6th Avenue. The tank failed at approximately 1750 on March 25, spilling an estimated 2000 gallons of sodium hydroxide into storm drains that empty into the Duwamish waterway. Information was requested on responder safety and potential environmental impacts.
2. THREAT: CHEMICAL. COMMODITY: SODIUM HYDROXIDE. MAXIMUM POTENTIAL RELEASE: 50000 GALLONS.
3. POSITION 47.680N 122.320W. NOAA INCIDENTNEWS 7798: https://incidentnews.noaa.gov/incident/7798

This area · spills & pollution incidents

406 within 180 nm since 1984 · 11 in the last 12 months · 0 in force now

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Timeline · 3 messages since 2008-02-03 · closed 2008-04-08

  1. Seattle police department and uscg sector seattle contacted the hdo on sunday morning february 3 to report…2008-02-03 → 2008-02-17
  2. Chemical release port of seattle; terminal 5, seattle, wa2008-02-22 → 2008-03-07
  3. South seattle, wa this message2008-03-25 → 2008-04-08

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