Lead Pipe Map

Tennessee · population 4,334

Lead pipes in Louisville, TN

No lead lines reported

Most of Louisville (population 4,334) gets its water from South Blount Utility District, which reported 17,698 service lines and no lead, galvanized or unknown lines.

0% of South Blount Utility District's service lines are lead or galvanized requiring replacement, lower than the Tennessee average (2.2%) and lower than the national average (3.1%).

0Lead
0Galvanized, replace
0Unknown material
17,698Non-lead

Latest lead test for South Blount Utility District (Jan 2023–Dec 2025): 4 ppb at the 90th percentile, against a 15 ppb federal action level. Full test history.

Compliance record: EPA lists no Lead and Copper Rule violations since 2015 for South Blount Utility District.

Water systems serving Louisville

Water systemLeadGalv.Unknown% lead
South Blount Utility DistrictMain system0000%
First U.D. of Knox CountyServes nearby areas0000%

Matched from EPA water system service area boundaries and the cities each system reports serving. Edges of the city may be served by a neighboring system; your water bill names your utility.

Check your address in Louisville

The counts above cover the whole water system. To see whether your line is lead, look up your address on South Blount Utility District's official inventory. Utilities had to make these public by October 16, 2024.

Find the official inventory mapSouth Blount Utility District details

No map yet? Do the 2-minute scratch and magnet test.

Protect your drinking water

If your line is lead, galvanized or unknown, use a filter certified to NSF/ANSI 53 for lead for drinking, cooking and baby formula, and use only cold water.

Pitcher filtersCheapest start. Pick one certified to NSF/ANSI 53 for lead, such as Brita Elite, PUR Plus or ZeroWater.See pitchers Faucet-mount filtersFilters straight from the tap. Look for NSF/ANSI 53 lead reduction on the box.See faucet filters Under-sink systemsBest for families. Carbon block (NSF 53) or reverse osmosis (NSF 58) units rated for lead.See under-sink

Choosing a lead-certified filter · Testing your water · Replacement cost

Nearby cities

Check another water system

Questions

Does Louisville, TN have lead pipes?

South Blount Utility District, which serves Louisville, reported no lead, galvanized or unknown service lines.

Who supplies water to Louisville?

EPA's service area maps place most of Louisville in South Blount Utility District's service area (PWSID TN0000643). First U.D. of Knox County also serves parts of the city or nearby areas.

How do I check whether my Louisville home has a lead service line?

Search your address on South Blount Utility District's service line inventory map. You can also scratch the pipe where water enters your home: lead is soft, dull gray, scratches to shiny silver and doesn't attract a magnet.

When will lead pipes in Louisville be replaced?

EPA's Lead and Copper Rule Improvements require most systems to replace lead and galvanized-requiring-replacement lines by December 31, 2037. Ask South Blount Utility District whether your street is scheduled and whether it covers the private side.