Found 12 datasets matching filters.
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This polygon layer contains a spatial representation of geographic areas that are designated as Air Quality Maintenance Areas and Nonattainment Areas for the criteria pollutant OZONE. A criteria...
Search relevance: 1.00 | Views last month: 20 | Catalog Last Checked: May 05, 2026 at 07:55 PM -
This polygon layer contains a spatial representation of geographic areas that are designated as Air Quality Maintenance Areas and Nonattainment Areas for the criteria pollutant CARBON MONOXIDE. A...
Search relevance: 1.00 | Views last month: 12 | Catalog Last Checked: May 05, 2026 at 07:55 PM -
This polygon layer contains a spatial representation of geographic areas that are designated as Air Quality Maintenance Areas and Nonattainment Areas for the criteria pollutant PM10 (particulate...
Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: May 05, 2026 at 07:55 PM -
This polygon layer contains a spatial representation of a geographic area that is designated as a Groundwater Management Area for the Lower Umatilla Basin in Oregon.
Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: May 05, 2026 at 07:55 PM -
This data layer is an element of the Oregon GIS Framework. This map includes Oregon Department of Environmental Quality (DEQ) and Oregon Department of Human Services’ (DHS) Drinking Water Program...
Search relevance: 1.00 | Views last month: 6 | Catalog Last Checked: May 05, 2026 at 07:55 PM -
Boundaries for Oregon's Councils of Governments. Note, this dataset does not include Portland Metro's boundary since Metro is not a COG, but a metropolitan service district.
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: May 05, 2026 at 07:56 PM -
The Department’s role is to protect existing water rights by preventing excessive groundwater declines, restoring aquifer stability, and preserving aquifers with limited storage capacity for...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: May 05, 2026 at 07:56 PM -
The data was collected from local jurisdictions in the state and then assembled into a single dataset. The attributes were generalized to a set of comp plan codes that could be applied to data...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: May 05, 2026 at 07:55 PM -
This polygon layer contains a spatial representation of a geographic area that is designated as a Groundwater Management Area for Malheur County, Oregon.
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: May 05, 2026 at 07:54 PM -
Ecoregions denote areas of general similarity in ecosystems and in the type quality, and quantity of environmental resources. The ecoregions shown here have been derived from the "Level III...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: May 05, 2026 at 07:56 PM -
This polygon layer contains a spatial representation of a geographic area that is designated as a Groundwater Management Area for the Southern Willamette Valley in Oregon.
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: May 05, 2026 at 07:54 PM
