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Compare · NE · IA

ZIP 68506 vs ZIP 50266

Lincoln (NE), NE compared to West Des Moines (IA), IA 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 68506

Lincoln (NE), NE

Nebraska

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ZIP 50266

West Des Moines (IA), IA

Iowa

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Side by side

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

Nebraska context

Radon, agricultural water, tornadoes

Nebraska is uniformly Zone 1 radon. Ogallala aquifer + agricultural runoff create EPA SDWIS nitrate compliance pressure in many rural systems. Central Tornado Alley.

Nebraska state page →

Iowa context

Radon Zone 1, agricultural water nitrates

Iowa is one of the highest-radon states in the US — uniformly Zone 1. Agricultural runoff drives EPA SDWIS nitrate violations in small rural systems and even Des Moines Water Works. Tornadoes peak April-June.

Iowa 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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