County Water Quality Report

Davidson County, Tennessee

4 public water systems serving 1,594,874 residents

Data sources: EPA SDWIS EPA ECHO EWG Tap Water Database Utility CCRs ⓘ How did we get these ratings?
County average grade
D
69/100
Utilities rated 4
Population served 1,594,874
Most recent test 2024

Top water quality concerns in Davidson County

  • Haloacetic acids (HAA9) significantly above health guidelinein 3 of 4 utilities
  • Haloacetic acids (HAA5) significantly above health guidelinein 3 of 4 utilities
  • Total trihalomethanes (TTHMs) significantly above health guidelinein 3 of 4 utilities
  • Lead detected in source waterin 1 of 4 utilities
  • Haloacetic Acids (HAA5) significantly above health guidelinein 1 of 4 utilities

All utilities in Davidson County

Click any utility for full grade card, contaminant data, and treatment plant contact info.

C
74/100

METRO WATER SERVICES

NASHVILLE · 778,153 residents

Top concern: Haloacetic acids (HAA9) significantly above health guideline

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C
70/100

Nashville Municipal Water System

Nashville · 670,000 residents

Top concern: Lead detected in source water

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C
67/100

HARPETH VALLEY U.D.

NASHVILLE · 65,518 residents

Top concern: Haloacetic acids (HAA9) significantly above health guideline

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C
65/100

MADISON SUBURBAN U.D.

MADISON · 81,203 residents

Top concern: Haloacetic acids (HAA9) significantly above health guideline

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