San Rafael Stream Restoration


Project on San Rafael River

Utah


San Rafael River


San Rafael


Jun. 01, 2015


1000


35


Project Goals and Objectives

The goal of the project was to increase instream geomorphic complexity to improve habitat for three native fish species. A parallel goal was to evaluate whether BDAs are a useful restoration tool in a sand-bed, flashy desert river.

Structure Construction Elements

We built both BDAs and PALS (referred to as 'constriction dams' in the design report) using willow harvested on-site and untreated wooden fence posts. Due to high amounts of scour, we also experiment used sand bags and burlap to force upstream pond formation and limit bed scour.

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Project Location