Ground Water Effects of Toppenish Creek Restoration

Project Area-Toppenish Creek on Yakama Reservation

Historical Context

Floodplain Disconnection

LiDAR Elevation Model

Floodplain Restoration Using Grade Control

Monitoring Network

Study Approach

Water table March 23 2009

Toppenish Creek vs. Marion Drain

Well Data

Creek Influence on Wells

Stream Stage Data

Graphical analysis

Water levels before and after

Data Summary

Channel effects?

September 2005

July 2008

Conclusions

Questions?

Works cited