WhereTo Data Sources

WhereTo Is Not a Government Entity

WhereTo is an independent application and is not affiliated with, endorsed by, or representing the U.S. government or any government agency. WhereTo does not provide or facilitate any government service. All government-related information is sourced from publicly available official data and is provided for informational and educational purposes only.

EPA Superfund Areas

Federal hazardous-waste cleanup sites and boundaries. Source: U.S. Environmental Protection Agency.

epa.gov/superfund ↗

Air Quality

Air Quality Index (AQI) by reporting area. Source: U.S. EPA AirNow.

airnow.gov ↗

Lead in Drinking Water

Lead & Copper Rule results for public water systems. Source: U.S. EPA Safe Drinking Water Information System (SDWIS).

epa.gov — Safe Drinking Water (SDWIS) ↗

USDA Plant Hardiness Zones

Growing zones by average annual minimum temperature. Source: U.S. Department of Agriculture.

planthardiness.ars.usda.gov ↗

Natural Hazard Risk

Composite risk across 18 natural hazards, by county and census tract. Source: FEMA National Risk Index.

hazards.fema.gov/nri ↗

Flood Zones

Regulatory flood zones from official flood insurance rate maps. Source: FEMA National Flood Hazard Layer (NFHL).

fema.gov/flood-maps ↗

Levee Systems

Levee centerlines and FEMA accreditation status. Source: U.S. Army Corps of Engineers, National Levee Database.

levees.sec.usace.army.mil ↗

Bridges

Bridge condition ratings, age, and inspections. Source: U.S. DOT Federal Highway Administration, National Bridge Inventory.

fhwa.dot.gov — National Bridge Inventory ↗

Data Centers

U.S. data center locations. Source: IM3 Open-Source Data Center Atlas (Pacific Northwest National Laboratory / U.S. Department of Energy), licensed ODbL.

data.msdlive.org — IM3 Data Center Atlas ↗

Crime & Safety Data

Reported offense statistics by agency. Source: FBI Uniform Crime Reporting — Crime Data Explorer.

cde.ucr.cjis.gov ↗

Political & Election Context

2020 county-level presidential election results, with county boundaries from the U.S. Census Bureau. Source: MIT Election Data and Science Lab; U.S. Census Bureau TIGER/Line.

electionlab.mit.edu ↗
census.gov — TIGER/Line ↗

Weather

Current conditions and climate context. Source: Open-Meteo, with U.S. NOAA climate data.

open-meteo.com ↗
noaa.gov ↗

Map & Place Data

Base map and points of interest. Source: © OpenStreetMap contributors.

openstreetmap.org/copyright ↗

Place Context

Encyclopedic context for nearby places and landmarks. Source: Wikimedia / Wikipedia.

wikipedia.org ↗

Accuracy & Updates

Data is provided as published by each source and may not reflect the most recent updates. WhereTo does not alter the underlying meaning of official data. For authoritative determinations — for example, official flood-zone status — always consult the original source. Last updated: June 2026.