Brandeis, CA Water Safety: 53/100 (2026)
1 ZIP code · 5 water systems · Updated 2026-06-03
Across water systems in Brandeis, EPA data shows a below-average compliance pattern for CA — health-based violations are on file in several areas, and checking the specific system serving your address is a practical first step for concerned residents.
How Brandeis Compares
Data: EPA SDWIS Last verified: 2026-06-03
What You Should Know About Brandeis Water
- Estimated remediation: $400 per household.
- CDC health risk index: 10.84.
Who Supplies Your Water in Brandeis
Brandeis, CA draws its residential water from 3 separate providers among the 5 federally tracked systems. Each operates independently, with its own infrastructure, rate structure, and compliance record.
Overview
We track water quality and home safety data for 1 ZIP code in Brandeis, California, covering 5 community water systems serving approximately 142,477 people.
No EPA violations recorded across any ZIP codes in Brandeis — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Brandeis: 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
Brandeis water systems draw from: Surface water.
Lead & Copper
- Lead data: not yet available for Brandeis
- 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 |
|---|---|---|---|
| 93064 | D | VENTURA WWD NO. 8 - SIMI VALLEY | 94,738 |
All ZIP Codes in Brandeis
- 93064 [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.
Health Outcomes in Brandeis
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 Brandeis
- 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 Brandeis, CA