Merit Resource Services Share: Counseling Merit Resource Services Visit Website Request Info 200 E 3rd Ave Ellensburg, WA 98926 (509) 925-9821 (509) 963-3941 (fax) Hours: Monday- Friday 8:00 am- 5:30 pm, Drug testing 8:30 am- 4:30 pm About Map About Alcohol and other drug assessment, treatment and referral. Employment drug testing services. What's Nearby? Distance: 5 10 15 20 25 50 mi.