Watershed Assessment

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Watershed Assessment

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Assessment is used to mean the analysis of watershed information to draw conclusions concerning the conditions in the watershed.

 

The Upper and Lower Nehalem River Watershed Councils joined with Portland State University and OWEB to produce a GIS - based assessment of the Nehalem watershed.

 

Portland State University
Assessment of the Nehalem Watershed

 

 

The Lower Nehalem Watershed Council has looked at several issues in more detail than was possible in the PSU assessment.

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The Nehalem Estuary (304K PDF)

Estuary Photos

Culvert Assessment

Coho (304K PDF)

Fall Chinook (44K PDF)

 

Cook Creek

Low Stream Flow (276K PDF)

River Flooding (100K PDF)

A number of other organizations have produced reports that are intended to evaluate conditions in the watershed.

 

 

 

 

 

A Salmon Anchor Habitat Strategy for the Tillamook and Clatsop State Forests

 

 

A Report on the Nehalem Watershed