Map icons are color coded by LEAD (ug/ft²).
EPA LEAD limits: ‍ ‍Floors = 5Windowsills = 40

Pre-Remediation Contamination Map

259 standing homes professionally tested.

Updated Jan 26, 2026

Map icons are color coded by LEAD (ug/ft²).
EPA LEAD limits:
Floors = 5
Windowsills = 40

Legend
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icons for additional info

This map contains data on lead, asbestos, the CAM17 metals, lithium, and wildfire debris. The substances tested for varies from home to home.

Key Takeaways

  • Of the 222 homes tested for LEAD, 100% tested positive

  • Of the 171 homes tested for Wildfire Debris, 100% tested positive

  • The LEAD levels were mostly well above EPA thresholds, sometimes 100x or 1000x

96% of levels found are above threshold for floors
76% of levels found are above threshold for windowsills