USGS Council Summary
Minutes - 11/18/2009

USGS Final Report, Mosier Aquifers (weblink)

GSI Final Report

SWCD Completion Report

Cullen Brandon Jones Thesis - Rowena and Mosier Creeks

Wasco Co. SWCD and the Mosier Watershed Council teamed up with the US Geological Survey to study Mosier's declining groundwater issue. After reviewing existing data (including a 1988 Oregon Water Resources Dept report), collecting new data and building computer models; the USGS published their findings in 2012. The big conclusion regarding the cause of Mosier's groundwater declines? Commingling wells.

The complete report can be found at Titled USGS Scientific Investigations Report 2012-5002: Evaluation of Long-Term Water-Level Declines in Basalt Aquifers near Mosier, Oregon. Please use the quick link to the right - USGS Final Report for access.

1988 Oregon Water Resources
Mosier GW Report
GW Report #33 - (weblink)

Mosier GW Proj Summry
 (tri-fold brochure)

About the Mosier Groundwater Project
Interfluve Rock Creek Proj Presentation
Inter-Fluve Rock Creek Project Design
Rock Creek Restoration Project
Informational Letter
Mosier Well Evaluation Project
There was a outreach and informational meeting for Mosier residents on October 15, 2013 to discuss the well evaluation project. The evaluations are to determine the extent of co-mingling wells in the Mosier watershed. The links at left are informational documents pertinent to the meeting as well as documents handed out at the meeting.

The project wrapped up this summer and the final report can be found below. The report is a large file and has been broken down into sections for faster downloading.
USGS Well Zone Map
Mosier Groundwater Project
Ken Lite, OWRD, Mosier
Aquifers & Geology
Ron Graves, WCSWCD,
Mosier Well Evaluation
GSI Well Evaluation
GSI Well Evaluation
Progress - March 2014

Mosier Well Evaulation Final Report August 2014

If you have problems downloading any of these files, please contact Abbie and she will send them by email.

Tables (pdf 221 kb)

Figures (pdf 7.37 mb)

Appendix A - Well Assessment Summary Forms (pdf 8.30 mb)

Appendix B - Report Presentation Jul 2014 (pdf 10 mb)

Wasco County Soil and Water Conservation District

Mosier Watershed Projects

A watershed is the area of land that drains into a particular body of water such as a stream, river, lake, or bay.
The watershed includes not only the waterway itself, but also the entire land area that drains to it.

Report Text (pdf 2 mb)

Mosier Aquifer Recovery Feasibility Study
This study looked at possible ways to recharge the Mosier aquifers. Funded by the Oregon Watershed Enhancement Board, the Conservation District contracted with GSI Water Solutions to examine recharge options.
Inter-Fluve Rock Creek Final Report
The Rock Creek area was initially identified as a priority restoration reach in the Mosier Watershed Assessment Report. With funding from the Oregon Watershed Enhancement Board, the Conservation District contracted with Interfluve, Inc. to design the restoration. Partners in the project included and the Oregon Department of Transportation (ODOT), DEQ, Oregon Dept of Fish and Wildlife, USFS, and the City of Mosier. Mike Igo a local botanist and Brian Bieger of Riverwood Restoration joined this successful effort by contributing funds, volunteering services or providing materials.
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