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Mid-Coast Basin

Mid-Coast Basin Overview

The Mid-Coast Basin is located in the central portion of western Oregon between the Pacific Ocean and the crest of the Coast Range. The basin covers an area of approximately 2.361 square miles and includes the major watersheds of the Salmon, Siletz, Yaquina, Alsea, Yachats, and Siuslaw Rivers as well as many small independent watersheds all draining into the Pacific Ocean. The basin includes 98 percent of Lincoln, 28 percent of Benton, 21 percent of Lane, and 13 percent of Polk Counties plus small portions of Douglas and Tillamook Counties.
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​Integrated Water Resources Planning

The City of Newport and the Oregon Water Resources Department have co-convened a collaborative water planning process with diverse water interests who will work together to understand the water needs of the Upper Mid-Coast Region (from the Salmon River to the Yachats River) and identify local solutions to meet those needs. The Mid-Coast Region is one of four places around the state undertaking place-based integrated water resources planning in Partnership with the Oregon Water Resources Department.  This planning process is supported by a $135,000 grant from the Oregon Water Resources Department. 

Guiding Documents

For More Information

​For more information visit the project website at www.midcoastwaterpartners.com or subscribe to the email list http://bit.ly/mwpplist

Any questions about the place-based planning program​​, can be directed to the OWRD Planning Coordinator that supports this effort - Harmony Burright, 503-986-0913, Harmony.S.Burright@oregon.gov.
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Basin Program Rules

The Oregon Water Resources Commission develops, adopts, and periodically modifies programs for the state's major administrative basins as part of its statutory responsibility to progressively formulate an integrated, coordinated program for the use and control of the water resources of the state (ORS 536.300). The Mid-Coast Basin Program rules (OAR 690-518), along with the other rules and policies of the Water Resources Department, govern how water is allocated and managed. 

Year​​ ​Summary of Modifications ​​Link
​2012 ​Revision to the C​oastal Basin Programst to reflect changes in statute. Link
​1990 ​Renu​mbere​d the Basin Program rule. Link​
1987​ ​Classifies water​ uses and prescribes m​inimum streamflows. Link
​1984 ​Classifies water uses and prescribes minimum streamflows. Link


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Studies, Reports, and Other Resources

Year​ ​Author(s) ​​Title Link​s
​1975 ​​State Water Resources Board ​Freshwater Resources of the Oregon Coastal Zone Link​
​1965 ​​​​Bartholomew, Wm. S. ​A Reconnaissance of the Ground Water Resources of Lincoln County, OR Link
​1965 ​State Water Resources Board ​Mid-Coast Basin Link
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Regional Contact Information

For information about water in your region, contact your Watermaster or Region Manager: Regional Contacts​​.
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