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Federal
NIST X-ray Photoelectron Spectroscopy Database - SRD 20
National Institute of Standards and Technology —
NIST X-ray Photoelectron Spectroscopy Database XPS contains over 33,000 data records that can be used for the identification of unknown lines, retrieval of data for... -
Federal
Residential Construction Permits by County
Department of Housing and Urban Development —
This dataset contains data on permits for residential construction collected in the Census Bureau's Building Permits Survey. Data is aggregated to the County level.... -
Federal
NIST ITS-90 Thermocouple Database - SRD 60
National Institute of Standards and Technology —
This database reproduces a subset of the tables and reference functions of NIST Monograph 175, 'Temperature Electromotive Force Reference Functions and Tables for the... -
Felony Sentences
District of Columbia —
This dataset contains all felony counts sentenced from 2010 onward and includes offender demographic information such as gender, race, and age, as well as sentencing... -
Crime Incidents in 2025
District of Columbia —
The dataset contains a subset of locations and attributes of incidents reported in the ASAP (Analytical Services Application) crime report database by the District of... -
Federal
City and County Vehicle Inventories
Department of Energy —
This light-duty vehicle inventory dataset provides information on vehicle registrations by vehicle type (car vs. truck), fuel type, and model year showing the changes... -
Federal
BLM National PLSS Public Land Survey System Polygons NGDA
Department of the Interior —
This dataset represents the GIS Version of the Public Land Survey System including both rectangular and non-rectangular surveys. The primary source for the data is... -
Federal
Medicare Physician & Other Practitioners - by Provider
U.S. Department of Health & Human Services —
The Medicare Physician & Other Practitioners by Provider dataset provides information on use, payments, submitted charges and beneficiary demographic and health... -
Federal
What We Eat In America (WWEIA) Database
Department of Agriculture —
What We Eat in America (WWEIA) is the dietary intake interview component of the National Health and Nutrition Examination Survey (NHANES). WWEIA is conducted as a... -
Federal
Mental Health Treatement Facilities Locator
U.S. Department of Health & Human Services —
An online resource for locating mental health treatment facilities and programs supported by the Substance Abuse and Mental Health Services Administration (SAMHSA).... -
DC Public Employee Salary
District of Columbia —
DC Department of Human Resources provides District government employees with a variety of services and programs on employee benefits, policy and procedures,... -
Federal
State TANF Data
U.S. Department of Health & Human Services —
States receive block grants to design and operate programs that accomplish the purposes of the TANF program (Temporary Assistance for Needy Families). The Office of... -
Federal
Study of Womens Health Across the Nation (SWAN) Public Use Data
U.S. Department of Health & Human Services —
The SWAN Public Use Datasets provide access to longitudinal data describing the physical, biological, psychological, and social changes that occur during the... -
Zip Codes
District of Columbia —
Zip Codes (5-digit). The dataset polygons represent location and attributes of zip codes, created as part of the DC Geographic Information System (DC GIS) for the D.C.... -
State
Alternative Fuel Corridors (November 3 2025)
State of California —
The U.S. Department of Transportation Federal Highway Administration (FHWA) designates a national network of plug-in electric vehicle (EV) charging and hydrogen,... -
Federal
Medicare Provider and Supplier Taxonomy Crosswalk
U.S. Department of Health & Human Services —
The Medicare Provider and Supplier Taxonomy Crosswalk dataset lists the providers and suppliers eligible to enroll in Medicare programs with the proper healthcare... -
Federal
NIST Tables of X-Ray Mass Energy-Absorption Coefficients and Mass Attenuation Coefficients - SRD 126
National Institute of Standards and Technology —
Tables of X-Ray Mass Attenuation Coefficients and Mass Energy - Absorption Coefficients from 1 keV to 20 MeV for Elements Z = 1 to 92 and 48 Additional Substances of... -
Federal
ETOPO 2022 15 Arc-Second Global Relief Model
National Oceanic and Atmospheric Administration, Department of Commerce —
ETOPO 2022, a global relief model with 15 arc-second resolution seamlessly integrating topographic and bathymetric data. The ETOPO 2022 model uses a combination of... -
Air Quality History
District of Columbia —
This dataset contains quality assured and DOEE-certified air quality data collected from the District’s five air monitoring network sites. The dataset covers a three-... -
Grocery Store Locations
District of Columbia —
This dataset was originally created in 2012 by the Office of the Chief Technology Officer. OCTO staff used the Alcoholic Beverage and Cannabis Administration’s (ABCA)...