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COBB COUNTY

Serving 9 cities in GA

Monitor
3 above health guidelines
695K
People Served
9
Cities
1
Water Sources
0
MCL Violations

Official COBB COUNTY Resources

COBB COUNTY Service Area

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Service Area

This map shows the approximate service area for COBB COUNTY. Actual coverage may vary. Contact the utility directly to confirm service availability at your address.

COBB COUNTY Water Quality Grade

C
Fair

Some contaminants exceed health guidelines.

Quality Score70/100
3
Above Health Guidelines
0
EPA Violations

Grade is calculated based on contaminants exceeding health guidelines (MCLG) and EPA Maximum Contaminant Level violations. A = Excellent (90-100), B = Good (80-89), C = Fair (70-79), D = Poor (60-69), F = Failing (<60).

Is COBB COUNTY Water Safe to Drink?

COBB COUNTY has reported 3 contaminants above EPA health-based guidelines (MCLGs) in at least one city served. We recommend reviewing individual city reports below for specific water quality details.

This utility serves 695,000 people across 9 cities in GA. Water quality can vary by location within the service area. Check individual city pages below for detailed contaminant data specific to your area.

COBB COUNTY Service Area

COBB COUNTY Contact & Information

Emergency Line

https://www.cobbcounty.gov/911/calling-911

24/7 After-Hours

Mailing Address

660 SOUTH COBB DR Marietta, GA 30060

Water Sources & Treatment

Water Sources

Surface water purchased

Treatment Methods

conventionalfiltration

Disinfectant Used

chlorine dioxide, hypochlorite

COBB COUNTY Annual Water Quality Reports

2026 Water Quality Report
Latest Consumer Confidence Report (CCR)
View Report

Historical reports are being compiled. Check back soon for archived water quality data.

What is a CCR? The Consumer Confidence Report (CCR) is an annual water quality report that water utilities are required by the EPA to provide to customers. It contains information about your water source, detected contaminants, and compliance status.

Recommended Water Filters for COBB COUNTY

Based on water quality data from cities served by COBB COUNTY, we recommend NSF-certified filters that can remove contaminants above health guidelines.

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