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Drinking Water

Environmental Health Home

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Whatcom County Health Department
Drinking Water Program, Environmental Health Division
Phone: (360) 676-6724
E-mail: Environmental Health


Drinking Water Program

The Drinking Water Program Staff help to prevent water related illness.  They also help to assure that people in Whatcom County have access to an adequate quantity of safe water.  They do this through the following activities:

  • Reviewing and approving Water Availability for single family, 2-party, plat and public water for new building permits.
  • Reviewing and approving Water Availability for contaminated wells and surface water and rainwater sources.
  • Investigating suspected water related illnesses.
  • Maintaining records for over 3000 wells drilled in Whatcom County since 1990. The records include information on both water quality and quantity and helps staff to identify areas of concern.
  • Updating Drinking Water Geographic Information System (GIS) maps & databases.
  • Researching and recognizing Public Drinking Water System Wellhead Protection Areas for land use decisions via GIS.
  • Reviewing plans and providing oversight/compliance for small (Group B) public water supplies.
  • Providing community education and answering questions about safe drinking water.
  • Researching complaints from public and private water systems.
  • Updating the Coordinated Water System Plan.
  • Inspecting wells for home loans.
  • Inspecting well seals during the drilling process in cooperation with the Department of Ecology & well drillers.
  • Tagging wells in coordination with the Department of Ecology.
  • Conducting Sanitary Surveys for Group A & B Public Water Systems.
  • Planning for surface water problems (i.e. Lake Samish Blue-Green Algae).
  • Conducting well site inspections for public water systems in cooperation with the Department of Health.
  • Conducting well site inspections for all 2-Party and any plat wells during the initial plat/building permit process.
  • Reviewing variance and appeal requests.
  • Reviewing conditional use permits & binding site plans.
  • Responding to emergencies (i.e. fuel spills)

Click on the following for more information about the Drinking Water Program:

Drinking Water Records

Drinking Water Program Forms

Frequently asked Questions

Drinking Water Ordinance - 24.11

Certified Drinking Water Testing Labs in Whatcom County

Information on Water Testing

Private Well Disinfection Procedures

Sodium & Chloride in Drinking Water

Toxic Blue-Green Algae

Maps - Wellhead Protection Areas & Public Water System Service Areas