About Us
Hanford Employee Welfare Trust Benefit Plans

The Hanford Employee Welfare Trust (HEWT) offers a comprehensive benefits package that meets the needs of you and your family.  Should you have any questions, please contact our Benefits Help Line at 509.376.6962 or send an email to ^Benefits-HEWT (onsite) or (offsite).  We look forward to assisting you with your HEWT benefits.

For information on our Health Plans, Flexible Spending Accounts, Life Insurance Plans, Disability Plans, and to view frequently used forms, please see the links to the left.  For additional information about these plans, and other benefits that are offered, please see the documents below.Life Insurance

Click below link below for more information on the HEWT Benefit Plans.


 Portable Benefit Plans

  • Group Universal Life Insurance was a portable plan available through Mercer. This benefit is no longer available to employees. If you have questions, they should be directed to Mercer at 1-800-642-5726.


Qualifying Life Events


“Qualifying Life Events” give employees the opportunity to make corresponding changes to their health benefit elections.

To make a change due to a qualified life event go to:

  • Employee Self-Service program (ESS)

  • Benefits

  • My Current Benefits

  • Review Your Current Elections

    •  Go to the “Dependent” section,

    • Click “Add a Dependent” or “Delete a Previously Enrolled Individual”

These are time sensitive; Most changes need to be done within 31 days of the event (60 days for birth of a child).


Please contact HMIS Benefits with any questions at 509-376-6962



















Last Updated 11/28/2023 7:59 AM