Environmental Health

Our Environmental Health programs work to improve the health of the community by preventing (or reducing) human exposures to environmental hazards and disease pathogens associated with the treatment and disposal of wastewater, the water we drink, the food we eat, and the schools our children attend.

Letter to Lic. Installer, Designers, O&M

Field Coverage Schedule

As-built Request Form

OSS Master Application

Report a Complaint


COVID-19 and Pools

Latest reference and guidelines operating pools, spas, and water recreation facilities with respect to COVID-19.


Pool Facility Owner & Operator Resources

Pool, spa, and water recreation facility operators and owners consult the reference guides to help manage your facilities.  For specific guidance and other related questions contact our staff via email at ehsupport@cdhd.wa.gov or call us at (509) 886-6400.