Certified Well Water Testing, Flow Rate Testing (GPM) & System Inspections in North Idaho and Eastern Washington.

Serving all areas in North Idaho and Eastern Washington. VA, FHA, USDA, and HUD loan compliance water testing.

Chinook Water Testing offers Certified Well Water Testing, Flow Rate Testing (GPM) & System Inspections in Deer Park, Washington, and the Surrounding Areas. Our Service Areas include all of North Idaho and Eastern Washington.

Ready to schedule your service in Deer Park, Washington?
(208) 352-3909

Water Sampling & Testing


Chinook Water Testing offers professional well water sampling and lab-certified testing in Deer Park, Washington, and nearby areas. Our services ensure your drinking water meets state health codes, real estate transaction standards, and VA, FHA, USDA & HUD loan requirements. Whether you are a homeowner, real estate agent, or loan officer, we deliver accurate, certified results for peace of mind.

  • Bacterial and Potability Testing
  • Heavy Metals Testing (upon request)
  • VA, FHA, USDA & HUD Loan Compliance Testing
  • State Certified Lab for all Testing

Flow Rate Monitoring


Ensuring sufficient water flow (GPM) is critical for homeowners, real estate transactions, and loan approvals. Chinook Water Testing conducts flow rate monitoring to verify that private wells in Deer Park, Washington, meet productivity standards, including VA, FHA, USDA & HUD home loan requirements. Our testing provides accurate flow rate measurements and detailed reporting to ensure compliance and system efficiency.

  • HUD 4000.1 Productivity Verification
  • VA, FHA, USDA, and HUD Loan Compliance Testing
  • System Performance & Flow Rate Analysis
  • Well Production Testing for Real Estate Sales

System Inspection


Chinook Water Testing provides thorough system inspections for private well water and wastewater systems in Deer Park, Washington, and the surrounding areas. Our certified inspections ensure your water system operates safely, efficiently, and in compliance with state and local regulations. Whether you're buying, selling, or maintaining a property, our inspections help identify potential issues before they become costly problems.

  • Operational checks and performance validation
  • Consultation and recommendations for compliance
  • Full compliance with state and local requirements
  • Homebuyer and real estate transaction inspection
Ready to schedule your service? Contact us today!
American flag representing veteran owned and operated

U.S. Veteran Owned and Operated