“After another company failed, Terry Nelson Plumbing successfully identified a slab leak near Black Eagle. Their prompt action saved my property from serious damage.”
Carlos V.Black Eagle
VerifiedReliable Commercial Leak Detection in Great Falls, carried out by certified local crews who know Cascade County. Businesses cannot afford the downsides of hidden leaks, which can lead to costly repairs and increased operational costs. Our team specializes in commercial leak detection, providing fast and effective solutions tailored to your business needs. We offer a flat-rate written quote before any work begins, allowing for financial planning and transparency.
Licensed · Upfront options · Clean work areas · Written guarantees
These are our most frequently served ZIP codes. Nearby areas may also qualify—call if you do not see yours.
Black Eagle · Gibson Flats · Malmstrom AFB · Big Stone Colony · Sand Coulee · Sun Prairie · Tracy · Centerville · Stockett · Ulm · Vaughn · Pleasant Valley Colony
Black Eagle · Gibson Flats · Malmstrom AFB · Big Stone Colony · Sun Prairie · All Montana cities
“After another company failed, Terry Nelson Plumbing successfully identified a slab leak near Black Eagle. Their prompt action saved my property from serious damage.”
Carlos V.Black Eagle
Verified“I had a wonderful experience with the crew handling under house leak detection near Gibson Flats. They were respectful and efficient.”
Grace T.Great Falls
Verified“I was shocked by my high water bill and reached out to Terry Nelson Plumbing for same-day leak detection. They found and repaired a leak that saved me money going forward.”
Linda M.Great Falls
VerifiedA real dispatcher is available if your question is not answered here.
Call +18667598259 →Most Great Falls calls are scheduled the same day, with 24/7 emergency response across Cascade County.
We quote a flat rate up front - typically in the range shown below - and you approve it before we begin.
Call now for fast, licensed leak detection anywhere in Great Falls and Cascade County.