Public Access is Closed to Most County Facilities Due to COVID-19.

In response to Governor Inslee's Stay Home, Stay Healthy order, Thurston County has moved to an essential services model, in effect
through Monday, April 6, 2020. Courts and other elected offices may operate under different hours or restrictions.

(For more information on essential functions, visit:
(For office contacts, visit:

Local Emergency Planning Council (LEPC)

​The purpose of the Thurston County Local Emergency Planning Committee (LEPC) is to coordinate hazardous materials issues and carry out the mandate of the Emergency Planning Community Right-to-Know Act of 1986. (EPCRA). The LEPC provides an opportunity for local businesses, response agencies and citizens to share information about:

  • Hazardous substances in the community
  • Emergency planning measures
  • Health & environmental risks due to hazardous substances

Next Meeting: March 26th at 1:00 pm - Thurston County Emergency Management - 9521 Tilley Rd. SW 

Tier Two Information Availability:

Tier Two - Emergency and Hazardous Chemical Inventory information is available for public review at the Thurston County Emergency Management office. Contact 360-867-2800 for more information or to schedule an appointment to review this data.

Postal mail correspondence should be sent to:

ThurstonCounty LEPC
c/o Thurston County Emergency Management
9521 Tilley Rd. SW
Olympia,WA 98512-2036

Site Security:

​Protecting Process Plants: Preventing Terrorism Attacks and Sabotage
An article printed in the Feb. 12, 2003 issue of the Homeland Defense Journal.

Jane's Facility Security Handbook

Jane's Information Group
1340 Braddock Place, Suite 300
Alexandria VA, 22314-1651

Agency Links:

​US Environmental Protection Agency (EPA)
Chemical Emergency Preparedness and Prevention Office

Washington State Department of Ecology (DOE)
Emergency Planning and Community Right-to-Know Act

Washington State Emergency Response Commission (SERC)