Free tap water grades for 1,100+ water systems & 10,000+ ZIP codesFree tap water grades for 10,000+ ZIP codes Official EPA compliance records · Independent ratings

County Water Quality Report

Placer County, California

3 public water systems serving 299,694 residents

Data sources: EPA SDWIS EPA ECHO EWG Tap Water Database Utility CCRs ⓘ How did we get these ratings?
County average grade
C
75/100
Utilities rated 3
Population served 299,694

Top water quality concerns in Placer County

  • Haloacetic acids (HAA9) significantly above health guidelinein 3 of 3 utilities
  • Haloacetic acids (HAA5) significantly above health guidelinein 3 of 3 utilities
  • Total trihalomethanes (TTHMs) significantly above health guidelinein 2 of 3 utilities
  • Perfluorohexane sulfonate (PFHXS) significantly above health guidelinein 1 of 3 utilities
  • Arsenic detectedin 1 of 3 utilities

All utilities in Placer County

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

B
80/100

PLACER CWA - FOOTHILL

AUBURN · 89,544 residents

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

View report →
C
74/100

CITY OF LINCOLN

LINCOLN · 54,538 residents

Top concern: Perfluorohexane sulfonate (PFHXS) significantly above health guideline

View report →
C
72/100

CITY OF ROSEVILLE

ROSEVILLE · 155,612 residents

Top concern: Haloacetic acids (HAA5) significantly above health guideline

View report →