Van Nuys, CA Water Safety: 54/100 (2026)
13 ZIP codes · 2 water systems · Updated 2026-06-03
Although conditions vary by service area, Van Nuys's water systems collectively show below-average compliance within CA — health-based violations are documented throughout the city, and the overall grade reflects a pattern rather than isolated incidents.
How Van Nuys Compares
Data: EPA SDWIS Last verified: 2026-06-03
Water Quality Map: Van Nuys, CA
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Score Distribution
Distribution of water safety grades across Van Nuys.
Van Nuys Water: The Quick Version
- Estimated remediation: $769 per household.
- CDC health risk index: 10.71.
Water Systems Serving Van Nuys
Federal drinking water records identify 2 systems in Van Nuys, CA. The leading 2 providers serve the largest share of residential connections, each operating as a separate entity with its own rate authority, infrastructure management, and EPA compliance obligations — so service conditions are not uniform city-wide.
Overview
We track water quality and home safety data for 13 ZIP codes in Van Nuys, California (population ~170,079), covering 2 community water systems serving approximately 3,875,648 people region-wide.
No EPA violations recorded across any ZIP codes in Van Nuys — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Van Nuys: D (54/100)
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
Van Nuys water systems draw from: Groundwater.
Lead & Copper
- Lead data: not yet available for Van Nuys
- 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): 13 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 |
|---|---|---|---|
| 91401 | C | Los Angeles-city, Department of Water & Power | 3,875,566 |
| 91404 | D | DESERT BREEZE MOBILE HOME ESTATES | 82 |
| 91405 | C | Los Angeles-city, Department of Water & Power | 3,875,566 |
| 91406 | C | Los Angeles-city, Department of Water & Power | 3,875,566 |
| 91407 | D | DESERT BREEZE MOBILE HOME ESTATES | 82 |
| 91408 | D | DESERT BREEZE MOBILE HOME ESTATES | 82 |
| 91409 | D | DESERT BREEZE MOBILE HOME ESTATES | 82 |
| 91410 | D | DESERT BREEZE MOBILE HOME ESTATES | 82 |
| 91411 | C | Los Angeles-city, Department of Water & Power | 3,875,566 |
| 91470 | D | DESERT BREEZE MOBILE HOME ESTATES | 82 |
All ZIP Codes in Van Nuys
- 91401 [C]
- 91404 [D]
- 91405 [C]
- 91406 [C]
- 91407 [D]
- 91408 [D]
- 91409 [D]
- 91410 [D]
- 91411 [C]
- 91470 [D]
- 91482 [D]
- 91496 [D]
- 91499 [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 Van Nuys
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
Van Nuys: Remediation Cost in Perspective
Property equity in Van Nuys runs well ahead of estimated remediation costs — a cost-to-value ratio that sits in the low tier, meaning documented water and safety issues here are the kind homeowners can plan to address without treating the expense as a significant budget event relative to what their homes are worth.
Remediation costs in Van Nuys are relatively low compared to home values. The $246–$1,354 estimated range is a small fraction of median property value. Home values are 32% above the California average.
Climate-Related Water Risk for Van Nuys
Flood exposure in Van Nuys is meaningful by NFIP measures — 39 claims on record and 31% of ZIP codes carrying FEMA flood zone designations. That level of activity makes flood history a relevant factor when evaluating local water quality over time.
Van Nuys has a moderate flood history with 39 FEMA claims averaging $3,403 per payout. 31% 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>$769</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 Van Nuys
- 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 Van Nuys, CA