Redwood Estates, CA Water Safety: 53/100 (2026)
1 ZIP code · 1 water system · Updated 2026-06-03
The latest EPA cycle for Redwood Estates shows a low safety grade within CA — compliance gaps have persisted over multiple reporting periods, and the city currently holds a low grade in available EPA data.
How Redwood Estates Compares
Data: EPA SDWIS Last verified: 2026-06-03
Redwood Estates Water: The Quick Version
- Estimated remediation: $400 per household.
- CDC health risk index: 9.01.
Water Systems Serving Redwood Estates
Federal drinking water records identify 1 system operating in Redwood Estates, CA. One of those systems serves the overwhelming majority of residential addresses, concentrating infrastructure management, rate authority, and EPA compliance reporting within a single organization.
Overview
We track water quality and home safety data for 1 ZIP code in Redwood Estates, California, covering 1 community water system serving approximately 500 people.
No EPA violations recorded across any ZIP codes in Redwood Estates — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Redwood Estates: D (53/100)
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
Redwood Estates water systems draw from: Groundwater.
Lead & Copper
- Lead data: not yet available for Redwood Estates
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 2 (Moderate 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 |
|---|---|---|---|
| 95044 | D | COYOTE VALLEY RV RESORT | 500 |
All ZIP Codes in Redwood Estates
- 95044 [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.
CDC Health Data for Redwood Estates
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 Redwood 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. 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 Redwood Estates, CA