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Federal
Maritime Limits and Boundaries of United States of America NGDA
National Oceanic and Atmospheric Administration, Department of Commerce —
NOAA is responsible for depicting on its nautical charts the limits of the 12 nautical mile Territorial Sea, 24 nautical mile Contiguous Zone, and 200 nautical mile... -
City
Light Rail Stations
City of Seattle —
Frequent, reliable transit service is the foundation of a transportation system that empowers all travelers and makes Seattle a truly transit-friendly city. A robust... -
Food and Nutrition
District of Columbia —
This section focuses on food and nutrition services that are dementia-specific or dementia-inclusive. Older adults in the District can obtain nutrition education and... -
City
Frequent Transit Network
City of Seattle —
Frequent, reliable transit service is the foundation of a transportation system that empowers all travelers and makes Seattle a truly transit-friendly city. A robust... -
City
Transit Capital Corridors
City of Seattle —
Frequent, reliable transit service is the foundation of a transportation system that empowers all travelers and makes Seattle a truly transit-friendly city. A robust... -
City
Biomarker Opioids (open data)
City of Tempe —
Wastewater-based epidemiology, which is the science of studying community sewage for public health information, is one method of getting information about community... -
City
Substandard Sidewalks
City of Seattle —
The Pedestrian Element of the Seattle Transportation Plan (STP) is a blueprint to create a more walkable Seattle and provides a suite of pedestrian improvements... -
Storm Surge Risk Areas
District of Columbia —
This data reflects areas with a risk of storm tide flooding from hurricanes, based on potential storm tide heights calculated by the National Weather Service's SLOSH... -
State
Vegetation - State Vehicle Recreation Areas - 2020 [ds3194]
State of California —
The California Department of Parks and Recreation contracted Geographical Information Center (GIC) to conduct vegetation sampling across multiple California State... -
City
Light Rail Alignment
City of Seattle —
Frequent, reliable transit service is the foundation of a transportation system that empowers all travelers and makes Seattle a truly transit-friendly city. A robust... -
State
WBDLine NGDA
State of Oregon —
Abstract: This file contains Hydrologic Unit (HU) polygon boundaries for the United States, Puerto Rico, and the U.S. Virgin Islands. The data is a seamless National... -
State
salt storage record table
Vermont Center for Geographic Information —
Mapping of deicing material storage facilities in the Lake Champlain Basin was conducted during the late fall and winter of 2022-23. 126 towns were initially selected... -
University
US Forest Service Region 3 Wilderness Areas
Earth Data Analysis Center, University of New Mexico —
This file contains a feature class depicting National Forest System land parcels that have a Congressionally designated boundary. Examples include National Wilderness... -
City
Proposed Inlets
City of Seattle —
This layer displays all the catch basins, catch basin grated tops, sandboxes, junction boxes, inlets and trash racks within the City of Seattle (and the former... -
State
Ground Water Classifications Polygon
State of Connecticut —
See full Data Guide here.Ground Water Classifications Polygon: Ground Water Quality Classifications is a polygon feature-based layer compiled at 1:24,000 scale that... -
State
Connecticut Dams - Public Use
State of Connecticut —
Connecticut Dams is a 1:24,000 scale spatial data developed for use by the Dam Safety Section of the Inland Water Resources Division, Bureau of Water Protection and... -
City
Inlets
City of Seattle —
This layer displays all the catch basins, catch basin grated tops, sandboxes, junction boxes, inlets and trash racks within the City of Seattle (and the former...