Avondale Estates, GA: High Radon Risk — 60/100 (2026)
1 ZIP code · 1 water system · Updated 2026-06-03
Avondale Estates lands near the GA median for water safety — compliance results are mixed, and the city's middle-grade standing reflects genuine variability across service areas rather than one problem driving the whole picture.
How Avondale Estates Compares
Data: EPA SDWIS Last verified: 2026-06-03
Key Facts for Avondale Estates Residents
- Homes built before 1986: 70% — older plumbing may contain lead solder.
- Estimated remediation: $1,200 per household.
- CDC health risk index: 11.84.
Avondale Estates's Water Providers
Supply infrastructure in Avondale Estates, GA runs through a single dominant provider — the main entity among 1 tracked system through which rate decisions, infrastructure work, and federal compliance are managed.
Overview
We track water quality and home safety data for 1 ZIP code in Avondale Estates, Georgia (population ~5,507), covering 1 community water system serving approximately 743,000 people region-wide.
No EPA violations recorded across any ZIP codes in Avondale Estates — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Avondale Estates: C (60/100)
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
Avondale Estates water systems draw from: Surface water.
Lead & Copper
- Lead data: not yet available for Avondale Estates
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 1 (High Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 30002 | C | DEKALB COUNTY | 743,000 |
All ZIP Codes in Avondale Estates
- 30002 [C]
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.
Avondale Estates Community Health Snapshot
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
Avondale Estates Infrastructure Age
With 70% of homes built before 1986, lead solder in plumbing is a potential concern. The EPA banned lead solder in 1986, but many older homes retain original plumbing.
Source: U.S. Census Bureau American Community Survey (ACS).
Housing Age Profile
Pre-1986 plumbing is not a rare legacy case in Avondale Estates — it's the dominant profile. The median build year of 1974 indicates a housing stock where lead-soldered copper joints are a common structural feature of residences across the city.
Over half of homes in Avondale Estates were built before 1986, when lead solder was banned. Older plumbing may leach lead into drinking water, especially with corrosive water chemistry.
Source: U.S. Census Bureau ACS B25034.
How Remediation Costs Compare in Avondale Estates
Because property values in Avondale Estates comfortably exceed estimated remediation costs, the equity impact here is proportionally small.
Remediation costs in Avondale Estates are relatively low compared to home values. The $800–$1,800 estimated range is a small fraction of median property value. Home values are 132% above the Georgia average.
Avondale Estates: Lead Risk & Vulnerable Populations
Why children are most at risk: The CDC states there is no safe level of lead exposure for children. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.
In recent monitoring under the Lead and Copper Rule, citywide samples for Avondale Estates have approached or crossed the regulatory action level on multiple occasions. Combined with 70% of stock dating from the pre-rule era, the picture supports baseline single-tap reads as a standard household-level step.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Avondale Estates: Flood History & Water Damage Risk
3 FEMA flood insurance claims are on file for Avondale Estates, and 100% of local ZIP codes fall within federally designated flood zones — enough to put flood exposure on the planning radar, though short of the concentrated-risk threshold where treatment-system vulnerability becomes a primary consideration.
Avondale Estates has a moderate flood history with 3 FEMA claims averaging $14,094 per payout. 100% 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>$1,200</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 Avondale Estates
- 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. With 70% of homes built before 1986, lead solder is a real possibility.
Deep Dive Reports
Detailed analysis for Avondale Estates, GA