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State
GNIS
State of Oregon —
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... -
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California Fish Passage Assessment Database [ds69]
State of California —
The Passage Assessment Database (PAD) geospatial file contains locations of known and potential barriers to salmonid migration in California streams with additional... -
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Deposits
State of Oregon —
SLIDO-4.5 is an Esri ArcGIS version 10.7 file geodatabase which can be downloaded here: https://www.oregon.gov/dogami/slido/Pages/data.aspx The geodatabase contains... -
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Oregon Ecoregions
State of Oregon —
This data layer is an element of the Oregon GIS Framework. Ecoregions denote areas of general similarity in ecosystems and in the type quality, and quantity of... -
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California City Boundaries and Identifiers
State of California —
Note: The schema changed in February 2025 - please see below. We will post a roadmap of upcoming changes, but service URLs and schema are now stable. For deployment... -
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California Fire Perimeters (all)
State of California —
The California Department of Forestry and Fire Protection's Fire and Resource Assessment Program (FRAP) annually maintains and distributes an historical wildland fire... -
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2019 California Water Quality Status Report
State of California —
The California Water Quality Status Report is an annual data-driven snapshot of the Water Board’s water quality and ecosystem data. This third edition of the report... -
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Inventory Map Index
State of Oregon —
SLIDO-4.5 is an Esri ArcGIS version 10.7 file geodatabase which can be downloaded here: https://www.oregon.gov/dogami/slido/Pages/data.aspx The geodatabase contains... -
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California School District Offices 2024-25
State of California —
This layer serves as the authoritative geographic data source for all school district office locations in California. District office location and attribute... -
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Coastal Area Polygon
State of Connecticut —
Coastal Area & Boundary Polygon: The Coastal Area layer is a 1:24,000-scale, polygon feature-based layer that includes the land and waters that lie within the... -
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Environmental Justice Block Groups 2024
State of Connecticut —
Environmental Justice 2025 Set is comprised of two layers: Environmental Justice Block Groups 2024 and Environmental Justice Distressed Municipality 2025. All Census... -
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Coastal Boundary Polygon
State of Connecticut —
Coastal Area & Boundary Polygon: The Coastal Area layer is a 1:24,000-scale, polygon feature-based layer that includes the land and waters that lie within the... -
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Power Outages by County
State of California —
The power outages in this layer are pulled directly from the utility public power outage maps and is automatically updated every 15 minutes. This dataset represents... -
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Cities
State of Oregon —
This map layer includes cities and towns in Oregon. These cities were clipped from a larger dataset of cities collected from the 1970 National Atlas of the United... -
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Use of Estuarine, Intertidal, and Subtidal Habitats by Seabirds, California South Coast MPA Baseline Study, 2011 to 2013
State of California —
Seabirds are long-lived, upper trophic level predators that are integral components of marine ecosystems. During the breeding season, seabirds are central place... -
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Shellfish Area Class Line
State of Connecticut —
Shellfish Area Classification Set: The Connecticut Department of Environmental Protection cooperated with the Department of Agriculture, Bureau of Aquaculture to... -
State
Coastal Area
State of Connecticut —
The Coastal Area layer is a 1:24,000-scale, polygon feature-based layer that includes the land and waters that lie within the Coastal Area as defined by Connecticut... -
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Eelgrass Beds 2009 Points
State of Connecticut —
Eelgrass Beds 2009 Set: This data layer was created by the Conservation Management Institute, Virginia Tech University for the USFWS National Wetlands Inventory,... -
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Eelgrass Beds 2012 Polygon
State of Connecticut —
Eelgrass Beds 2012 Polygon : This data layer was created by the Conservation Management Institute, Virginia Tech University for the USFWS National Wetlands Inventory,... -
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Shellfish Area Marina
State of Connecticut —
Shellfish Area Classification Set: The Connecticut Department of Environmental Protection cooperated with the Department of Agriculture, Bureau of Aquaculture to...