Kennesaw, GA: High Radon Risk — 41/100 (2026)
5 ZIP codes · 3 water systems · Updated 2026-06-03
For households across Kennesaw, below-average water safety data and recurring compliance violations documented by GA EPA records make it worthwhile to verify the specific system serving your address — system-level detail is the most actionable reference point available.
How Kennesaw Compares
Data: EPA SDWIS Last verified: 2026-06-03
Water Quality Map: Kennesaw, GA
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Score Distribution
Distribution of water safety grades across Kennesaw.
Kennesaw Water: The Quick Version
- Estimated remediation: $1,880 per household.
- CDC health risk index: 10.89.
Water Systems Serving Kennesaw
Federal drinking water records identify 3 systems in Kennesaw, GA. The leading 3 providers serve the largest share of residential connections, each operating as a separate entity with its own rate authority, infrastructure management, and EPA compliance obligations — so service conditions are not uniform city-wide.
Overview
We track water quality and home safety data for 5 ZIP codes in Kennesaw, Georgia (population ~102,821), covering 3 community water systems serving approximately 979,527 people region-wide.
No EPA violations recorded across any ZIP codes in Kennesaw — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Kennesaw: D (41/100)
The score combines three factors:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| Lead Levels | 90th percentile lead concentration vs EPA action level |
| Radon Risk | EPA radon zone classification |
Water Sources
Kennesaw water systems draw from: Surface water.
Lead & Copper
- Lead data: not yet available for Kennesaw
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 1 (High Risk)
- Zone 1 (High): 5 ZIP codes
- Zone 2 (Moderate): 0 ZIP codes
- Zone 3 (Low): 0 ZIP codes
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 30144 | D | COBB COUNTY | 695,000 |
| 30152 | D | COBB COUNTY | 695,000 |
| 30156 | D | COBB COUNTY | 695,000 |
| 30160 | D | COBB COUNTY | 695,000 |
| 31144 | D | COBB COUNTY | 695,000 |
All ZIP Codes in Kennesaw
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
Updated daily.
CDC Health Data for Kennesaw
Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
Kennesaw: Remediation Cost in Perspective
Placing remediation in the context of Kennesaw's property market, the equity share is low — most homeowners here are weighing a financial commitment that fits comfortably within routine property planning, far from the threshold where remediation becomes a material equity decision rather than a standard upkeep consideration.
Remediation costs in Kennesaw are relatively low compared to home values. The $1,240–$2,540 estimated range is a small fraction of median property value. Home values are 75% above the Georgia average.
Climate-Related Water Risk for Kennesaw
Flood exposure in Kennesaw is meaningful by NFIP measures — 105 claims on record and 40% of ZIP codes carrying FEMA flood zone designations. That level of activity makes flood history a relevant factor when evaluating local water quality over time.
Kennesaw has a moderate flood history with 105 FEMA claims averaging $18,136 per payout. 40% of ZIP codes fall within FEMA flood zones. Flood events can contaminate drinking water and overwhelm treatment systems.
How flooding affects water quality: Flood events can introduce sewage, agricultural runoff, and industrial chemicals into water supplies. Even after floodwaters recede, contamination can persist in wells and aging infrastructure. Flood damage can add significantly to the estimated <strong>$1,880</strong> remediation cost per household.
Residents in flood-prone areas should consider flood insurance even outside FEMA zones — over 25% of flood claims come from low-to-moderate risk areas. After any flood event, test your water before drinking.
Source: FEMA National Flood Insurance Program (NFIP) claims data, FEMA flood zone designations.
What You Can Do in Kennesaw
- Test your water at home. City-level data shows averages — your tap may differ. NSF-certified test kits cost $20-40 and give results in days.
- Install a certified water filter. An NSF-certified pitcher or under-sink filter removes most common contaminants.
- Check your home's plumbing. Homes built before 1986 may have lead solder in pipes. A licensed plumber can assess your risk.
- Review your water system's CCR. Your utility publishes an annual Consumer Confidence Report with detailed test results. Request it or find it online.
Deep Dive Reports
Detailed analysis for Kennesaw, GA