Sherman Oaks, CA Water Safety: 50/100 (2026)
4 ZIP codes · 2 water systems · Updated 2026-06-03
Public water compliance in Sherman Oaks falls below the CA baseline — elevated violation rates are on record.
How Sherman Oaks Compares
Data: EPA SDWIS Last verified: 2026-06-03
Key Facts for Sherman Oaks Residents
- Estimated remediation: $1,000 per household.
- CDC health risk index: 10.71.
Sherman Oaks's Water Providers
Residential addresses in Sherman Oaks, CA are served by 2 primary water providers out of 2 systems in federal records. Each system maintains separate infrastructure and files its own EPA compliance reports, so service conditions are not uniform across the city.
Overview
We track water quality and home safety data for 4 ZIP codes in Sherman Oaks, California (population ~58,102), covering 2 community water systems serving approximately 3,875,648 people region-wide.
No EPA violations recorded across any ZIP codes in Sherman Oaks — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Sherman Oaks: 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
Sherman Oaks water systems draw from: Groundwater, Surface water.
Lead & Copper
- Lead data: not yet available for Sherman Oaks
- 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): 4 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 |
|---|---|---|---|
| 91403 | D | Los Angeles-city, Department of Water & Power | 3,875,566 |
| 91413 | D | DESERT BREEZE MOBILE HOME ESTATES | 82 |
| 91423 | D | LOS ANGELES-CITY, DEPT. OF WATER & POWER | 3,875,566 |
| 91495 | D | DESERT BREEZE MOBILE HOME ESTATES | 82 |
All ZIP Codes in Sherman Oaks
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.
Sherman Oaks 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 Sherman Oaks
Placing remediation in the context of Sherman Oaks's property market, the equity share is low — most homeowners here are weighing a financial commitment that fits comfortably within routine property planning, far from the threshold where remediation becomes a material equity decision rather than a standard upkeep consideration.
Remediation costs in Sherman Oaks are relatively low compared to home values. The $400–$1,700 estimated range is a small fraction of median property value. Home values are 99% above the California average.
Sherman Oaks: Flood History & Water Damage Risk
Flood exposure in Sherman Oaks is meaningful by NFIP measures — 382 claims on record and 50% 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.
Sherman Oaks has a moderate flood history with 382 FEMA claims averaging $5,540 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 Sherman Oaks
- 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 Sherman Oaks, CA