County Water Quality Report

Loudoun County, Virginia

2 public water systems serving 399,836 residents

Data sources: EPA SDWIS EPA ECHO EWG Tap Water Database Utility CCRs ⓘ How did we get these ratings?
County average grade
D
65/100
Utilities rated 2
Population served 399,836

Top water quality concerns in Loudoun County

  • Haloacetic acids (HAA9) significantly above health guidelinein 2 of 2 utilities
  • Total trihalomethanes (TTHMs) significantly above health guidelinein 2 of 2 utilities
  • Haloacetic acids (HAA5) significantly above health guidelinein 2 of 2 utilities

All utilities in Loudoun County

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

C
67/100

LOUDOUN WATER - CENTRAL SYSTEM

ASHBURN · 334,808 residents

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

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D
63/100

LEESBURG, TOWN OF

LEESBURG · 65,028 residents

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

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