- HEP Plumbing
- Leak Detection

Leak Detection
Leak Detection | Main Line Issues | Plumbing | Sewanee
Life on the Plateau comes with its own charms—and its own challenges. When a hidden leak threatens your historic Sewanee home or business, HEP’s leak detection specialists bring calm to the chaos. Using sensitive acoustic monitors and non-invasive thermal imaging, we pinpoint ruptures, corrosion, and stubborn blockages deep beneath rock, clay, and tree roots without tearing up your yard. From sudden pressure drops to skyrocketing utility bills, we know the clues that signal main line issues and act fast to stop water damage in its tracks.
Once we’ve found the source, our licensed plumbers move from detection to repair in a single visit, replacing compromised pipe sections, restoring water pressure, and safeguarding your investment against future surprises. Trusted across the Cumberland Plateau for courteous service and transparent pricing, HEP turns a stressful plumbing emergency into a smooth, expertly managed fix—so you can get back to enjoying mountain life, leak-free.
FAQs
What are common signs that my main water line in Sewanee is leaking?
Unusually high water bills, damp or soggy spots in your yard, unexplained low water pressure, the sound of running water when fixtures are off, and sudden foundation cracks can all indicate a main line leak. In Sewanee’s clay-rich soils, water from a leak can migrate quickly to the surface, so even a small puddle near your meter or curb could signal a problem.
How do professional plumbers detect hidden leaks in the main line?
Licensed plumbers use a combination of acoustic listening devices, pressure tests, infrared cameras, and tracer gas to pinpoint leaks without digging up your entire yard. In Sewanee, where tree roots and soil shifts are common, these non-invasive tools let us locate the exact break or crack in the pipe, minimizing landscape disruption and repair time.
Why is it critical to fix a main line leak quickly?
Every day a main line leak goes unrepaired, thousands of gallons of water can be lost, driving up utility costs and potentially undermining your home’s foundation. In Sewanee, the added moisture can also foster mold growth in crawlspaces and encourage tree-root intrusion, which may widen the break and increase repair complexity.
Will leak detection and repair tear up my lawn or driveway?
Modern leak detection methods are designed to be minimally invasive. Once we locate the leak, we target a small access point rather than excavating the entire line. For many Sewanee homes, trenchless repair technologies—such as pipe lining or pipe bursting—allow us to restore the pipe through small entry and exit pits, preserving most of your landscaping and hardscaping.
How much does main line leak detection and repair cost in Sewanee?
Leak detection typically ranges from $200–$450 depending on pipe depth and property size. Repair costs vary: a small spot repair might run $700–$1,500, while full pipe replacement or trenchless lining can range from $3,000–$7,000. We provide upfront estimates after inspection, and Sewanee Utilities sometimes offers bill adjustments for documented leaks once repairs are completed.
Do I need permits or utility locates before repairing a main water line?
Yes. Tennessee law requires an 811 utility locate before any excavation. For repairs within Sewanee city limits or Franklin County right-of-way, a plumbing or right-of-way permit may be needed. Our team handles all permitting and coordinates inspections to ensure the work meets local building codes and protects other underground utilities.