Southwest Regional Office Staff

Southwest regional counties

Physical Address
Southwest Drinking Water Operations
111 Israel Road S.E. Fifth floor
Tumwater, WA 98501

Map with driving directions

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

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 360-236-3030

R. Scott Pollock, P.E., Jefferson, Pacific, and Skamania counties, Specialty: Surface Water, 564-669-0854

Sarah Spotts, P.E., Clallam and Clark counties; Specialty: Lead and Copper Rule, Corrosion Control Treatment 564-233-9289

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. 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.

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

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
  • Invoices: project review/approval, surveys
  • Complaints
  • Consumer Confidence Report
  • Publication requests
  • Monthly treatment reports

Submit public disclosure requests directly to our Public Disclosure Office.