Plumbing companies in Knoxville, TN
Quick answer
2 plumbing companies have a local office in Knoxville, TN on 1-800Deals: Mr. Rooter Plumbing of Knoxville and Roto-Rooter Knoxville, TN. Knoxville Utilities Board (KUB) draws its water from the Tennessee River and treats it at the Mark B. KUB completed the service line inventory required by the EPA and found no evidence of lead service lines in its water distribution system.
Last updated September 28, 2026. Sources are linked below.
Plumbing companies serving Knoxville and nearby Knox County communities, with the services and service areas each one lists. We list 2 companies with a local office here:
- Mr. Rooter Plumbing of Knoxville, 111 Center Park Drive Suite 184, Knoxville. Services include garbage disposals, plumbing, frozen pipes, toilet repair and replacement, sump pump services, emergency plumbing; serves Clinton, Cookeville, Harriman, Heiskell, Kingston, Knoxville, Lenoir City, Loudon, Oak Ridge, Oliver Springs and more.
- Roto-Rooter Knoxville, TN, 3702 Neal Dr, #102, Knoxville. Services include drain cleaning, emergency plumber, water softener & filtration, water heater repair, commercial plumbing, excavation; serves Knoxville, Farragut, Concord Farragut, Corryton, Seymour, McGhee Tyson ANG Base, Kimberlin Heights, Powell, Loudon, Concord and more.
What to know about plumbing in Knoxville
Tennessee River water, moderately hard
Knoxville Utilities Board (KUB) draws its water from the Tennessee River and treats it at the Mark B. Whitaker Water Treatment Plant. KUB's 2025 water quality report lists average hardness at 94 parts per million. Hardness comes mainly from calcium and magnesium, the minerals that leave scale in water heaters and on faucet aerators. Source: KUB 2025 Water Quality Report
No lead service lines found
KUB completed the service line inventory required by the EPA and found no evidence of lead service lines in its water distribution system. KUB notes that plumbing and fixtures inside a home can still affect tap water, and it offers testing if you are concerned. It also recommends keeping a hose end above the water line in buckets or pools to create an air gap that prevents cross-connections. Source: KUB 2025 Water Quality Report
Your sewer lateral is yours to fix
Under KUB's Private Lateral Program, property owners must fix defective sewer laterals and remove prohibited connections, such as roof downspouts or groundwater sump pumps tied into the sewer. When an inspection finds a problem, KUB mails the owner a packet with an enforcement schedule. A plumber can camera-inspect the line and handle the repair. Source: KUB: Private Lateral Program
Check the license
In Tennessee, plumbing contractors on jobs of $25,000 or more need a contractor license with a plumbing classification from the Board for Licensing Contractors, and the board advises checking local licensing rules as well. In Knoxville, plumbing permits and inspections go through the city, so ask for both the state license and local registration before work starts. Source: official licensing page
Frequently asked questions
How hard is Knoxville water?
KUB's 2025 water quality report lists average hardness at 94 parts per million.
Are there lead water lines in Knoxville?
KUB's EPA-required service line inventory found no evidence of lead service lines in its distribution system. Plumbing inside older homes can still contain lead materials, and KUB offers water testing on request.
What happens if KUB finds a problem with my sewer lateral?
KUB mails the property owner a packet with an enforcement schedule, and the owner is responsible for the repair. A plumber on this page can inspect the line and quote the fix.
1-800Deals lists companies based on the information they publish; a listing is not an endorsement. Before hiring, check licensing, insurance, reviews and a written estimate.
