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
Program Emails
- Administrative inbox: swro.admin@doh.wa.gov
- Chlorination/disinfection reports: sw.treatment.reports@doh.wa.gov
- Coliform water quality and seasonal startup documentation: SWRO.coli@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 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.
Aasya Abdennour, E.I.T., Thurston County (except for Olympia, Lacey, and Tumwater), 564-669-9792
Candida Granillo-Dodds, P.E., Kitsap, Wahkiakum, and partial Thurston (Olympia, Lacey, and Tumwater only), Specialty: Cross Connection Control, Disinfection Byproducts, 564-669-3170
Phyo Kyaw, E.I.T., Grays Harbor and Lewis counties; Specialty: Groundwater filtration treatment (IOCs, PFAS) 564-669-3849
Ryan Deem, E.I.T., Cowlitz and Mason counties, Specialty: Funding and SRF 360-628-7951
R. Scott Pollock, P.E., Jefferson, Pacific, and Skamania counties, Specialty: Surface Water, 564-669-0854
Vacant, Clallam and Clark counties; Specialty: Lead and Copper Rule, Corrosion Control Treatment
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, Cowlitz, Grays Harbor, Pacific, Skamania, Thurston, and Wahkiakum counties. 564-233-1394
Ben Majors, Clallam, Jefferson, Kitsap, Lewis, and Mason counties. 564-669-0855
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.
Kacie Seyfert, Coliform Water Quality Monitoring Program, 564-669-0844
- Coliform: sampling results, requirements, and compliance
- Coliform and E.coli technical assistance
- Boil water/health advisories
- Revised Total Coliform Rule
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
- PFAS
- Chemical health advisories
Denise Miles, Sanitary Survey Program, 360-584-7425
- 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
- SW Region groundwater disinfection specialist and technical assistance
- WFI questions and updates
Administrative Staff
Emma Ginnett 360-236-3043
- Customer assistance.
- Invoices: project review/approval, surveys.
- Complaints.
- Consumer Confidence Report.
- Publication requests.
- Monthly treatment reports.
Submit public disclosure requests directly to our Public Disclosure Office.