Search datasets
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The Geographic Names Information System (GNIS) is the Federal standard for geographic nomenclature. The U.S. Geological Survey developed the GNIS for the U.S. Board on Geographic Names, a Federal...
Search relevance: 1.00 | Views last month: 103 | Catalog Last Checked: August 01, 2026 at 05:18 AM -
This dataset shows the temporal frequency and spatial extent of cyanobacteria cells in large, freshwater lakes and reservoirs across the continental United States derived from 300x300 meter MEdium...
Search relevance: 1.00 | Views last month: 89 | Catalog Last Checked: August 03, 2026 at 04:16 AM -
The Walkability Index dataset characterizes every Census 2019 block group in the U.S. based on its relative walkability. Walkability depends upon characteristics of the built environment that...
Search relevance: 1.00 | Views last month: 58 | Catalog Last Checked: August 03, 2026 at 04:49 AM -
The USGS compiles online access to water-resources data collected at approximately 1.5 million sites in all 50 States, the District of Columbia, Puerto Rico, the Virgin Islands, Guam, American...
Search relevance: 1.00 | Views last month: 43 | Catalog Last Checked: August 01, 2026 at 06:20 AM -
This web service depicts nearly 17,000 neighborhood boundaries in over 650 U.S. cities. Zillow created the neighborhood boundaries and is sharing them with the public under a Creative Commons...
Search relevance: 1.00 | Views last month: 32 | Catalog Last Checked: August 03, 2026 at 04:45 AM -
This dataset, termed "GAGES II", an acronym for Geospatial Attributes of Gages for Evaluating Streamflow, version II, provides geospatial data and classifications for 9,322 stream gages...
Search relevance: 1.00 | Views last month: 31 | Catalog Last Checked: August 03, 2026 at 03:20 PM -
This GIS dataset contains points which depict air quality monitors within EPA's Air Quality System (AQS) monitoring network. This dataset is updated weekly to reflect the most recent changes in...
Search relevance: 1.00 | Views last month: 27 | Catalog Last Checked: August 03, 2026 at 04:43 AM -
The U.S. Geological Survey's National Water-Use Information Program is responsible for compiling and disseminating the nation's water-use data. The USGS works in cooperation with local, State,...
Search relevance: 1.00 | Views last month: 23 | Catalog Last Checked: August 01, 2026 at 04:57 AM -
A series of three-dimensional, hypothetical, groundwater models (MODFLOW-NWT) were developed to investigate the effects of a variety of factors on the flow of arsenic-containing water into a...
Search relevance: 1.00 | Views last month: 20 | Catalog Last Checked: August 01, 2026 at 05:24 AM -
Chronic Wasting Disease (CWD) is a fatal, contagious, neuro-degenerative disease affecting multiple members of the Family Cervidae. First detected in 1967, the disease has, as of April 2025, been...
Search relevance: 1.00 | Views last month: 19 | Catalog Last Checked: August 01, 2026 at 04:47 AM -
For designing buildings and other structures to safely resist earthquakes, the 2009 NEHRP Recommended Seismic Provisions and the 2010 ASCE/SEI 7 Standard contain maps of long-period transition...
Search relevance: 1.00 | Views last month: 16 | Catalog Last Checked: August 01, 2026 at 04:39 AM -
This dataset represents the base flow index values within individual, local NHDPlusV2 catchments and upstream, contributing watersheds. Attributes of the landscape layer were calculated for every...
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Understanding the relationship between flood inundation and floodplains is critical for ecosystem and community health and well-being, as well as targeting floodplain and riparian restoration....
Search relevance: 1.00 | Views last month: 15 | Catalog Last Checked: August 03, 2026 at 04:18 AM -
These map layers present the number of National Green Building Standard points awarded for a project site or lot’s relative walkability, and accessibility to jobs via transit or within a 45-minute...
Search relevance: 1.00 | Views last month: 14 | Catalog Last Checked: August 03, 2026 at 04:48 AM -
This dataset provides national scale location information for known, publicly available, data on helium gas concentrations, reported in mol%. The dataset was created as part of the effort by the...
Search relevance: 1.00 | Views last month: 14 | Catalog Last Checked: August 01, 2026 at 03:50 AM -
The USGS compiles online access to water-resources data collected at approximately 1.5 million sites in all 50 States, the District of Columbia, Puerto Rico, the Virgin Islands, Guam, American...
Search relevance: 1.00 | Views last month: 13 | Catalog Last Checked: August 01, 2026 at 03:36 AM -
Over 300 samples were collected in New York, Vermont, and Massachusetts from wastewater treatment facilities (20 locations), drinking water facilities (9 locations), streams (53 locations), lakes...
Search relevance: 1.00 | Views last month: 13 | Catalog Last Checked: August 01, 2026 at 04:35 AM -
CPARD contains (1) EPA-approved State, Tribal and Federal certification plans required by the Federal Insecticide, Fungicide, Rodenticide Act to administer a certification program for applicators...
Search relevance: 1.00 | Views last month: 12 | Catalog Last Checked: August 01, 2026 at 03:29 AM -
The EnviroAtlas Potentially Restorable Wetlands on Agricultural Land (PRW-Ag) dataset shows potentially restorable wetlands at 30-meter resolution. Beginning two centuries ago, many wetlands were...
Search relevance: 1.00 | Views last month: 12 | Catalog Last Checked: May 06, 2026 at 12:20 AM -
This EnviroAtlas dataset summarizes by county the number of farm operations with beef cows and the number of heads they manage. The data come from the Census of Agriculture, which is administered...
Search relevance: 1.00 | Views last month: 11 | Catalog Last Checked: August 03, 2026 at 04:38 AM
