Watershed Boundary Dataset, 12-Digit Hydrologic Units

The 12-Digit Hydrologic Units, a component of the Watershed Boundary Dataset (WBD), depict the sixth level hydrologic subdivision of the United States. A hydrologic unit can accept surface water from upstream drainage areas and may define a drainage area with single or multiple outlet points. A 12-digit hydrologic unit, or subwatershed, supports water resource management…

Multi-Family Assisted Housing

Layer displays the approximate locations of Multifamily Assisted Housing properties that are monitored by the US Department of Housing and Urban Development (HUD). The three largest assistance programs for Multifamily housing are Section 8 (Project Based Assistance), Section 202 (Supportive Housing for the Elderly), and Section 811 (Supportive Housing for Persons with Disabilities).

Fast Food Restaurant Rates by County and ZIP Code Tabulation Area, 2017

This layer displays rates and counts of fast food and limited-service eating establishments in counties across the United States. Establishment counts are acquired from the 2017 County Business Patterns, released by the US Census Bureau in November and December, 2019. Rates are calculated per 100,000 population based on figures from the 2010 Decennial Census. For…