Description:

This map shows streams listed as part of the Clean Water Act, Section 303(d), for the State of Oregon. Land ownership is also shown. These are streams (or stream segments) for which existing pollution controls or requirements are deemed inadequate to provide for the attainment and maintenance of water quality standards, i.e., impaired or threatened by pollution. Data Sources: Base Streams : USGS 100K DLG/EPA Reach File; 303D Listings : Tagged by EPA Region 10 GIS staff from EPA/State lists; Land Ownership: Oregon State GIS Service Center, approx 100K; State Outlines: USGS National Mapping, 1:100k DLG Size and Scale: 52.0 inches wide by 34.0 inches high. Approximately 1:610,000 scale, Albers projection, NAD27 datum.

URLs/Downloads:

D303_OR.HTML

D303_OR.HTML

Record Details:

Record Type:DATA SET

Product Published Date:04/15/1997

Record Last Revised:12/10/2002

Record ID: 3683

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Quality Assurance:

Title :OREGON STREAMS LISTED AS PART OF THE CWA SECTION 303(D)

Data Use & Constraints :Draft or Working Map - Not verified. This computer representation has been compiled by the Environmental Protection Agency (EPA) from sources which have supplied data or information that may have not been verified by the EPA. This data is offered here as a general representation only, and is not to be used for commercial purposes without verification by an independent professional qualified to verify such data or information. The EPA does not guarantee the accuracy, completeness, or timeliness of the information shown, and shall not be liable for any loss or injury resulting from reliance upon the information shown.