Sunland, CA Water Safety: 52/100 (2026)
2 ZIP codes · 2 water systems · Updated 2026-06-03
If you're researching Sunland, CA tap water quality, the baseline finding is below average — health-based violations are documented in several service areas, and verifying the specific system at your address is the right next step.
How Sunland Compares
Data: EPA SDWIS Last verified: 2026-06-03
Key Facts for Sunland Residents
- Estimated remediation: $1,000 per household.
- CDC health risk index: 10.71.
Sunland's Water Providers
Structurally, Sunland, CA's water supply is divided. Federal data identifies 2 water systems in the area, with 2 providers serving the bulk of residential connections. These utilities operate independently, meaning rate-setting authority and EPA compliance accountability are distributed rather than centralized.
Overview
We track water quality and home safety data for 2 ZIP codes in Sunland, California (population ~21,436), covering 2 community water systems serving approximately 3,875,591 people region-wide.
No EPA violations recorded across any ZIP codes in Sunland — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Sunland: D (52/100)
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
Sunland water systems draw from: Groundwater.
Lead & Copper
- Lead data: not yet available for Sunland
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 2 (Moderate Risk)
- Zone 1 (High): 0 ZIP codes
- Zone 2 (Moderate): 2 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 |
|---|---|---|---|
| 91040 | D | Los Angeles-city, Department of Water & Power | 3,875,566 |
| 91041 | D | VALHALLA WATER ASSOCIATION | 25 |
All ZIP Codes in Sunland
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.
Sunland 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
How Remediation Costs Compare in Sunland
Because property values in Sunland comfortably exceed estimated remediation costs, the equity impact here is proportionally small.
Remediation costs in Sunland are relatively low compared to home values. The $400–$1,700 estimated range is a small fraction of median property value. Home values are 7% above the California average.
Sunland: Flood History & Water Damage Risk
Measured across the NFIP's multi-decade tracking period, Sunland shows a moderate flood record — 56 claims and 50% of ZIP codes carrying FEMA flood zone status. For water quality, that combination matters because flood events at this frequency can periodically stress infrastructure: treatment plants, private wells, and distribution systems all face elevated risk during significant flooding.
Sunland has a moderate flood history with 56 FEMA claims averaging $4,931 per payout. 50% 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>$1,000</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 Sunland
- 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 Sunland, CA