County Water Quality Report

Cobb County, Georgia

2 public water systems serving 755,100 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 755,100

Top water quality concerns in Cobb 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 Cobb County

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

C
65/100

COBB COUNTY

MARIETTA · 695,000 residents

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

View report →
C
65/100

MARIETTA BOARD OF LIGHTS AND WATER

MARIETTA · 60,100 residents

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

View report →