County Water Quality Report

Coconino County, Arizona

1 public water system serving 76,960 residents

Data sources: EPA SDWIS EPA ECHO EWG Tap Water Database Utility CCRs ⓘ How did we get these ratings?
County average grade
D
62/100
Utilities rated 1
Population served 76,960

Top water quality concerns in Coconino County

  • Arsenic significantly above health guidelinein 1 of 1 utilities
  • Haloacetic acids (HAA9) significantly above health guidelinein 1 of 1 utilities
  • Total trihalomethanes (TTHMs) significantly above health guidelinein 1 of 1 utilities

All utilities in Coconino County

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

D
62/100

FLAGSTAFF CITY OF

FLAGSTAFF · 76,960 residents

Top concern: Arsenic significantly above health guideline

View report →