Certified Backflow Testing & Water System Operations for Eastern Idaho
Backflow testing, public works contracting, drinking water operations & more — backed by 30+ years of experience.
What We Do
Explore our range of services designed to bring you confidence in water system support.
Backflow Testing
Certified annual testing, repair, and new-installation certification — filed directly with your city.
Private Well Testing
Buying, selling, or just curious what's in your water? Fast, clear well water testing and results.
Public Works Contracting
Licensed contractor for municipal water and sewer infrastructure projects across eastern Idaho.
Certified contract operator coverage for small water systems — compliance without a full-time hire.
Drinking Water Operator Services
Meet the Founder
Jody Cornilsen founded North Valley Water Management in 2019 as a drinking water operator contracting service. Since then, it has grown into a full complement of water industry solutions — from backflow testing to system consulting.
Idaho Certified Backflow Assembly Tester
American Backflow Prevention Association Certified
Idaho Very Small Water System Certified
Idaho Public Works Contractor License
Idaho General Contractor License
Why Choose North Valley Water Management?
30+ Years Experience
Licensed & Certified
Locally Owned
