Garden City, LA: High Radon Risk — 50/100 (2026)
1 ZIP code · 1 water system · Updated 2026-06-03
Public water compliance in Garden City falls below the LA baseline — elevated violation rates are on record.
How Garden City Compares
Data: EPA SDWIS Last verified: 2026-06-03
Garden City's Water Providers
While 1 water system appear in federal records for Garden City, LA, one provider supplies the majority of residential connections — making it the central point of infrastructure and compliance accountability for most households.
Overview
We track water quality and home safety data for 1 ZIP code in Garden City, Louisiana, covering 1 community water system serving approximately 7,500 people.
No EPA violations recorded across any ZIP codes in Garden City — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Garden City: D (50/100)
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
Garden City water systems draw from: Surface water.
Lead & Copper
- Lead data: not yet available for Garden City
- 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 |
|---|---|---|---|
| 70540 | D | ST MARY WATER & SEWER COMM #3 | 7,500 |
All ZIP Codes in Garden City
- 70540 [D]
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.
Garden City 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
What You Can Do in Garden City
- 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 Garden City, LA