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NC · about 80 min from Charlotte

Water Treatment in Davidson County, NC

Public water, private wells and what local data shows, for the 7 Davidson County communities we serve.

Largest public system

City of Lexington: Disinfectant
Free chlorine
City of Lexington, 2025
City of Lexington: TTHM (disinfection byproducts)
44 ppb
As reported (2025); federal limit 80 ppb.
City of Lexington, 2025
City of Lexington: HAA5 (disinfection byproducts)
40 ppb
As reported (2025); federal limit 60 ppb.
City of Lexington, 2025
City of Lexington: Lead (at sampled homes' taps)
0 ppb
90th percentile of homes sampled (2024); 0 sampled homes above the action level. The federal action level is 15 ppb.
City of Lexington, 2025

What this means for your home

  • 4 public water systems serve the towns we cover in Davidson County. The largest, City of Lexington, publishes the figures above.
  • State testing of private wells in Davidson County found the results below. They describe the wells that were tested, not every well, which is why we start every well with its own certified-lab test.

Private wells in Davidson County

From state testing of private wells. These figures describe the wells that were tested, not every well, so your own certified-lab test is what decides treatment.
Private-well test results in Davidson County
ContaminantShare of tested wells above the standardWells testedStandardSource
Arsenic4.59%69710 µg/LUNC-Chapel Hill Superfund Research Program (NC DHHS private well test data), 2022Oct 1998–May 2019
Lead2.73%69515 µg/LUNC-Chapel Hill Superfund Research Program (NC DHHS private well test data), 2022Oct 1998–May 2019
Copper0.34%2911,300 µg/LUNC-Chapel Hill Superfund Research Program (NC DHHS private well test data), 2022Oct 1998–May 2019
Nitrate0.52%19310,000 µg/L (10 mg/L)UNC-Chapel Hill Superfund Research Program (NC DHHS private well test data), 2022Oct 1998–May 2019
Iron32.3%2912,500 µg/LUNC-Chapel Hill Superfund Research Program (NC DHHS private well test data), 2022Oct 1998–May 2019
Manganese23.02%695300 µg/LUNC-Chapel Hill Superfund Research Program (NC DHHS private well test data), 2022Oct 1998–May 2019

How we approach well water

Public water systems in Davidson County

Systems serving the communities we list. Your water bill names yours.
  • City of Thomasville1 community
  • City of Lexington1 community · water quality report
  • Davidson Water INC4 communities
  • Town of Denton1 community

Communities we serve in Davidson County

How it works

  1. Step 1

    Test

    We read your utility's report with you, and run a certified-lab test when your home calls for one.

  2. Step 2

    Design

    You get a written recommendation and quote for only what the data supports.

  3. Step 3

    Licensed install

    An independent licensed plumber installs under a separate agreement with you.

  4. Step 4

    Retest

    We confirm the system is doing what it's certified to do.

More on how it works

Davidson County at a glance

Davidson County water questions

Who supplies water in Davidson County?

Several systems do, depending on where you live. The towns we cover are served by City of Thomasville, City of Lexington, Davidson Water INC, Town of Denton. Your water bill names your system.

What do private-well tests in Davidson County show?

4.59% of 697 private wells tested (32 wells) were above the 10 µg/L EPA drinking water standard (MCL) for arsenic. 2.73% of 695 private wells tested (19 wells) were above the 15 µg/L EPA action level for lead. These describe tested wells, not every well in the county.

Are homes in Davidson County old enough to worry about lead?

About 43.4% of homes in Davidson County were built before 1980, by Census estimates. EPA notes homes built before 1986 are more likely to have lead in their plumbing; a certified-lab test at the tap answers it for your home.

Which towns in Davidson County do you serve?

7 communities, from Thomasville, Lexington, Midway outward. The county's population center is about 80 minutes from our Charlotte base.

Get an honest answer about Davidson County water.

Tell us about your home and water source. We'll recommend testing first, and only the equipment your results support.

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