Found 135 datasets matching filters.
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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: 21 | Published on: 2026-01-27 -
This web service contains the following state level layers:Ozone 8-hr (1997 standard), Ozone 8-hr (2008 standard), Lead (2008 standard), SO2 1-hr (2010 standard), PM2.5 24hr (2006 standard), PM2.5...
Search relevance: 1.00 | Views last month: 7 | Published on: 2026-01-27 -
Nitrogen, phosphorus, and suspended-sediment loads, and changes in loads, in major rivers across the Chesapeake Bay watershed have been calculated using monitoring data from the Chesapeake Bay...
Search relevance: 1.00 | Views last month: 5 | Published on: 2026-03-03 -
Nitrogen, phosphorus, and suspended-sediment loads, and changes in loads, in rivers across the Chesapeake Bay watershed have been calculated using monitoring data from the Chesapeake Bay Nontidal...
Search relevance: 1.00 | Views last month: 5 | Published on: 2026-03-03 -
Nitrogen, phosphorus, and suspended-sediment loads, and changes in loads, in rivers across the Chesapeake Bay watershed have been calculated using monitoring data from the Chesapeake Bay Nontidal...
Search relevance: 1.00 | Views last month: 4 | Published on: 2026-03-03 -
Nitrogen, phosphorus, and suspended-sediment loads, and changes in loads, in rivers across the Chesapeake Bay watershed have been calculated using monitoring data from the Chesapeake Bay Nontidal...
Search relevance: 1.00 | Views last month: 4 | Published on: 2026-03-03 -
Nitrogen, phosphorus, and suspended-sediment loads, and changes in loads, in major rivers across the Chesapeake Bay watershed have been calculated using monitoring data from the Chesapeake Bay...
Search relevance: 1.00 | Views last month: 3 | Published on: 2026-03-03 -
Freshwater salinization is an emerging issue for freshwater environments in the Chesapeake Bay, USA region. Salinization is often described by measurements of specific conductance (SC). This data...
Search relevance: 1.00 | Views last month: 3 | Published on: 2026-03-03 -
Nitrogen, phosphorus, and suspended-sediment loads, and changes in loads, in major rivers across the Chesapeake Bay watershed have been calculated using monitoring data from the Chesapeake Bay...
Search relevance: 1.00 | Views last month: 3 | Published on: 2026-03-03 -
This U.S. Geological Survey data release contains datasets that combine past data with future projections of nitrogen sources and nitrogen export to the Chesapeake Bay watershed for the years...
Search relevance: 1.00 | Views last month: 2 | Published on: 2026-03-03 -
This EnviroAtlas web service supports research and online mapping activities related to EnviroAtlas (https://www.epa.gov/enviroatlas). This web service includes layers depicting EnviroAtlas...
Search relevance: 1.00 | Views last month: 2 | Published on: 2026-01-27 -
Nitrogen, phosphorus, and suspended-sediment loads, and changes in loads, in major rivers across the Chesapeake Bay watershed have been calculated using monitoring data from the Chesapeake Bay...
Search relevance: 1.00 | Views last month: 2 | Published on: 2026-03-03 -
This dataset consists of historical estimates and future projections of land use and climate data summarized within the 1:100,000 National Hydrography Dataset Version 2 (NHDPlusV2) framework for...
Search relevance: 1.00 | Views last month: 2 | Published on: 2026-03-03 -
The dataset contains locations and attributes of HUC-11 watersheds. The USGS presents a detailed explanation of HUCs at https://water.usgs.gov/GIS/huc.html. HUC-11 boundaries are compiled by each...
Search relevance: 1.00 | Views last month: 2 | Published on: 2026-01-27 -
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: 1 | Published on: 2026-01-27 -
Nitrogen, phosphorus, and suspended-sediment loads, and changes in loads, in major rivers across the Chesapeake Bay watershed have been calculated using monitoring data from the Chesapeake Bay...
Search relevance: 1.00 | Views last month: 1 | Published on: 2026-03-03 -
Nitrogen, phosphorus, and suspended-sediment loads, and changes in loads, in major rivers across the Chesapeake Bay watershed have been calculated using monitoring data from the Chesapeake Bay...
Search relevance: 1.00 | Views last month: 1 | Published on: 2026-03-03 -
Nitrogen, phosphorus, and suspended-sediment loads, and changes in loads, in major rivers across the Chesapeake Bay watershed have been calculated using monitoring data from the Chesapeake Bay...
Search relevance: 1.00 | Views last month: 1 | Published on: 2026-03-03 -
This dataset includes information compiled for the literature review meta-analysis portion for the Chesapeake Bay Stressor Identification Project. The dataset includes basic identifying...
Search relevance: 1.00 | Views last month: 1 | Published on: 2026-03-03 -
Treated effluent from wastewater treatment plants (WWTPs) contains contaminants not fully removed during the treatment process and that may pose environmental health risks when discharged to...
Search relevance: 1.00 | Views last month: 1 | Published on: 2026-03-03
