
Physical Address:
Southwest Drinking Water Operations
111 Israel Road S.E. Fifth floor
Tumwater, WA 98501
Mailing Address:
Southwest Drinking Water Operations
Post Office Box 47823
Olympia, WA 98504-7823
Main Phone: 360-236-3030
FAX: 360-236-3029
TTY: Relay Service 1-800-833-6388
Specific Program Email Addresses
- Administrative inbox: swro.admin@doh.wa.gov
- Chlorination/disinfection reports: sw.treatment.reports@doh.wa.gov
- Consumer confidence reports: ccr.swro@doh.wa.gov
- Complaints: swdw.complaints@doh.wa.gov
- Engineering and planning submittals: swro.admin@doh.wa.gov
- Ownership/operational changes: wfi.swro@doh.wa.gov
- Sanitary surveys: swro.sanitarysurveys@doh.wa.gov
- Surface water treatment reports: swtr.swro@doh.wa.gov
Information and Technical Assistance
Our office is open Monday through Friday from 8 a.m. to 5 p.m. Please direct all general inquiries to our main line at 360-236-3030. Staff are available to assist with most questions immediately. As necessary, we will refer other questions to the appropriate staff for response.
The Southwest Regional Office regulates and provides technical assistance to over 2,266 Group A public water systems serving approximately 1,521,252 people in the following counties: Clallam, Clark, Cowlitz, Grays Harbor, Jefferson, Kitsap, Lewis, Mason, Pacific, Skamania, Thurston, and Wahkiakum
Andy Anderson, P.E., Regional Manager, 360-236-3025
Manages the Southwest Regional Office. Supervises program staff.
Regina Grimm, P.E., Assistant Regional Manager, 564-669-0857
Supervises regional engineers and planners.
Debbie Phillips, Office Manager, 360-236-3023
Supervises the regional administrative staff. Manages region's records and public disclosure.
Engineering Staff
Regional engineering staff are responsible for the implementation of the state's drinking water engineering program in assigned counties. They conduct sanitary surveys and special purpose investigations of public water systems and promote needed water facility improvements. They are the lead specification reviewer for system improvements. They provide technical assistance to purveyors and local health departments upon request.
Candida Granillo-Dodds, P.E., Thurston and Wahkiakum counties, Specialty: Cross Connection Control, 564-669-3170
Vacant, Grays Harbor and Mason counties, Specialty: Disinfection By-Products,
Phyo Kyaw, E.I.T., Lewis, Cowlitz, and Skamania counties
R. Scott Pollock P.E., Clark and Jefferson counties, Specialty: Surface Water, 564-669-0854
Cecilia Welch, E.I.T., Clallam, Kitsap, and Pacific counties, Specialty: Groundwater Treatment (PFAS, AS, Corrosion Control), 564-669-0829
Planning Staff
Regional planning staff are responsible for the implementation of the state's drinking water planning program in assigned counties. They are the lead reviewers of Water System Plans, Small Water System Management Program Plans, Water System Consolidations, and Water Use Efficiency, Funding. They provide technical assistance to purveyors and local health departments upon request.
Meredith Jones, Clark, Grays Harbor, Pacific, Skamania, Thurston, and Wahkiakum counties. 360-236-3030
Ben Majors, Clallam, Jefferson, Kitsap, Lewis, and Mason counties. 360-236-3030
Program Staff
Provide day-to-day contact for implementation of the state's drinking water program requirements and compliance. They provide technical assistance to purveyors and local health departments upon request.
Charese Gainor, Coliform Water Quality Monitoring Program, 564-669-0844
- Coliform: sampling results, requirements, and compliance
- Coliform and E.coli technical assistance
- Boil water/health advisories
- Total Coliform rule
- WFI Updates
Sophia Petro, Chemical Water Quality Monitoring Program, 564-669-0856
- Nitrate, arsenic, inorganic chemicals, volatile organic chemicals, synthetic organic chemicals and radionuclides, asbestos, and lead and copper
- Susceptibility assessment, pesticide vulnerability determinations, and waivers for organic and inorganic chemical monitoring
- Water Quality Monitoring Schedules
- Consumer Confidence Reports
- Groundwater under the influence
Denise Miles, Sanitary Survey Program, 360-236-3028
- Well-site inspections
- Technical investigations
Christine Hartman, Technical Assistance Coordinator, 564-669-1552
- Sanitary surveys and special purpose investigations
- SW Region groundwater disinfection specialist and technical assistance
- Compliance strategies and enforcement
- Operating Permit questions
Pi Kosarot, Water Facility Inventory Program, 564-669-3862
- Water System Updates
Administrative Staff
Rebecca Jordan, 360-236-3022
Ciera Bogart, 360-236-3043
- Customer assistance
- Public disclosure
- Invoices: project review/approval, surveys
- Complaints
- Consumer Confidence Report
- Publication requests
- Monthly treatment reports