Catalog Item
Lake Roosevelt Management Area (LRMA) Boundaries
The Lake Roosevelt Management Area (LRMA) Boundaries dataset depicts the management areas within the Lake Roosevelt Management Area, including the portions managed by the Spokane Tribe, Colville Confederated Tribes, Bureau of Reclamation, and National Park Service. As defined by the Lake Roosevelt Cooperative Management Agreement, the LRMA includes Grand Coulee Dam and its appurtenances on Lake Roosevelt, the surface area of Lake Roosevelt up to elevation 1290 mean sea level (msl) and all freeboard lands surrounding Lake Roosevelt above elevation 1290 msl owned by or used by the United States pursuant to any agreement for purposes of the Columbia Basin Project. Franklin D. Roosevelt Lake, also referred to as Lake Roosevelt, is in northeastern Washington state. The purpose of the Lake Roosevelt Cooperative Management Agreement, dated April 1990 and also referred to as the "Five-Party Agreement," is to coordinate the management of the LRMA and to plan and develop facilities and activities on Lake Roosevelt and its freeboard lands. To download data, please use the RISE Geospatial Open Data site: https://rise-usbr.opendata.arcgis.com/datasets/4d945cac46d1485c9c4c9becee1bfe6a
Catalog Record Title
Lake Roosevelt Cooperative Management Agreement Data
Generation Effort
Lake Roosevelt Cooperative Management Agreement
Location Name
Lake Roosevelt Management Area (LRMA)
Type
Geospatial
Geometry
polygon
Resolution
N/A
Transformation
none
Item Vertical Datum
Update Frequency
as needed
Last Update
Friday, May 15th, 2026
Disclaimer
The Bureau of Reclamation assumes no responsibility or liability for any errors or omissions in the content of this data. The information contained in this data is provided on an “as is” basis with no guarantees of completeness, accuracy, usefulness or timeliness and without any warranties of any kind whatsoever, express or implied. The Bureau of Reclamation does not warrant that this data and any information or material downloaded from the data, will be uninterrupted, error-free, omission-free or free of virus or other harmful items.
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