Eastern Idaho’s Trusted Water Management Experts
Backflow testing, public works contracting, drinking water operations & more — backed by 30+ years of experience.
What We Do - Services Overview
Explore our range of services designed to bring you confidence in water system support.
Certified Backflow Testing for Annual Certification, New Installations and Repairs.
Are you selling or buying a home? Do you just want to see what’s in your water? Let us test your well!
As Public Works Contractors, we can perform construction, repair, or improvement projects on publicly funded projects. We have specialized experience, and technical expertise to manage infrastructure projects like sewers and water systems.
Contract drinking water operator services available for small water systems. Repair services for water systems also available.
Why Choose North Valley Water Management?
30+ Years Experience
Licensed & Certified
Locally Owned
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.
With certifications spanning multiple states, Jody brings the expertise your water system demands:
Idaho Certified Backflow Assembly Tester
American Backflow Prevention Association Certified
Idaho Very Small Water System License
California D2 & T2 Certifications
Idaho Public Works Contractor License
Idaho General Contractor License

