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Compare · NV · CA

ZIP 89509 vs ZIP 94131

Reno (Southwest), NV compared to San Francisco (Twin Peaks), CA on twelve public-records dimensions sourced from EPA, FEMA, USDA, FBI, NCES, and county records. Each cell links to the per-ZIP topic page where the source citation and refresh cadence live.

Last verified 2026-05-13 · methodology

ZIP 89509

Reno (Southwest), NV

Nevada

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ZIP 94131

San Francisco (Twin Peaks), CA

California

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Side by side

Dimensions populate live as ingestion reaches each source. Every row will link to the primary regulator.

Nevada context

Wildfire, water-supply (Colorado River allotment)

Nevada's wildfire risk concentrates in the western Sierra foothills (Reno, Carson City, Lake Tahoe). Las Vegas water supply tied to declining Lake Mead Colorado River allotment. EPA SDWIS shows arsenic challenges in some rural systems.

Nevada state page →

California context

Wildfire (WUI), seismic, water-supply variability

California carries the highest concentrated WUI wildfire risk in the US per USFS WHP, with FAIR Plan + non-renewal pressure intensifying since 2017 fires. FEMA NFHL coverage is strong; drinking-water systems vary from large urban (LADWP, EBMUD) to small disadvantaged community systems flagged in EPA SDWIS. Radon risk is mostly Zone 2-3.

California state page →

Read more on cross-ZIP comparisons

Editorial deep-dives that help when reading two places side-by-side — what each data layer actually proves, and what it doesn't.

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