A
96

Excellent Water Quality

Kennesaw, GA 30144

Cobb County · Population served: 695,000 · Data updated March 2026

Water Systems Serving This Area

🏔
COBB COUNTY
Surface water · Pop. 695,000
PWSID: GA0670003

PFAS / Forever Chemicals

3 detected All below limits
CompoundLevelEPA MCLHealth GuidelineStatus
PFBA6.5 pptNo standard500 pptUnregulated
PFBS4.2 ppt2000 ppt100 pptBelow limit
PFHxA3.2 pptNo standard400 pptUnregulated

Water Quality Summary

Understanding Your Water in Kennesaw

Tap water quality in Kennesaw, Georgia (30144) receives an overall grade of A (Excellent) with a score of 96 out of 100, based on analysis of EPA compliance data, contaminant testing, and violation history. This is 19 points above the Georgia state average of 77. Compared to the national average (75), this area performs significantly better. The area is served by Cobb County, a surface water system providing water to approximately 695,000 people. PFAS testing detected 3 compounds, all currently below EPA limits. The area has a clean violation record over the past 5 years — a positive indicator of consistent water quality management.

Your Score 96/100 A
vs State 19 pts above Georgia avg (77)
vs National 21 pts above national avg (75)

What a Grade A Means

A score of 96/100 means the water supply in Kennesaw, GA meets or exceeds all EPA standards with minimal issues. Contaminant levels are well within safe limits, and the water system has maintained a strong compliance record. While no water supply is guaranteed perfect at the tap due to household plumbing, this is among the best-scoring areas in the country.

Surface water: sourced from rivers, lakes, or reservoirs

Common Questions

Frequently Asked Questions

Based on EPA data, tap water in Kennesaw, Georgia receives a grade of A (Excellent) with a score of 96/100. This indicates the water meets federal standards and has relatively few concerns. However, individual homes may still have localized issues such as lead from old plumbing.

ZIP code 30144 is served by 1 water system using surface water sources, providing water to approximately 695,000 people. Surface water systems are more susceptible to contamination from agricultural runoff, industrial discharge, and weather events, but typically undergo more extensive treatment including filtration and disinfection.

No lead data is currently available for ZIP code 30144. This may mean lead testing results haven't been reported recently, or the serving water system uses monitoring waivers. You can request a free lead test kit from most water utilities or purchase a certified home testing kit.

3 PFAS compounds were detected in water serving Kennesaw, Georgia, but all are currently below EPA limits. While levels are within regulatory standards, some health organizations recommend minimizing any PFAS exposure. Activated carbon or reverse osmosis filters can reduce PFAS levels.

Water systems serving Kennesaw, Georgia have zero violations in the last 5 years. This is a positive indicator of consistent regulatory compliance and water quality management.

Based on detected contaminants (PFAS), residents in Kennesaw, Georgia should consider: Reverse osmosis (RO) system — most effective for PFAS, lead, and other contaminants. Always look for filters with NSF/ANSI certification for the specific contaminants you want to remove.

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