Johnson Creek

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Johnson Creek Reservoir

Description

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Revision

Date

- AS BUILT PLANS BY FRED D. GUSTAFSON OF PRINEVILLE, OREGON - JOHNSON CREEK DAM BREACH HEC-RAS MODEL DEVELOPED BY MCMILLEN-LLC. - 7-METER ELEVATION DATA OBTAINED FROM THE NATIONAL ELEVATION DATASET - THE HORIZONTAL DATUM IS NAD 1983 UTM ZONE 10N. THE VERTICAL DATUM IS D_NORTH_AMERICAN_1983. - 500-YEAR DISCHARGE (190 CFS) BASED ON METHOD OF COOPER (2006)

Roads 0.125

0.25

0.5 Miles

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CROOK COUNTY

£ ¤

PRINEVILLE

PCA PROJECT PHASE: 55122 Submitted by: G. ROBISON

Checked by: G. ROBISON

DRAWING STATUS:

£ ¤

380

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DAM BREACH ANALYSIS OF JOHNSON CREEK DAM PRINEVILLE, OREGON

OREGON

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DAM BREACH INUNDATION MAP

Line of Two Foot Inundation

910 Main Street, Suite 258 Boise, Idaho 83702

Zero Foot Depth Line

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OREGON WATER RESOURCES DEPARTMENT DAM SAFETY

Legend

Designed by: K. JENSEN Drawn by: K. JENSEN

DAM HEIGHT IS 35 FEET; TOTAL STORAGE VOLUME BEHIND THE DAM IS 293 AC-FT.

ArcGIS File Name: Johnson_Creek_Map.mxd

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THIS MAP WAS GENERATED FROM THE FOLLOWING SOURCES:

Date: 31 JANUARY 2013

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FINAL DRAWING NO: 1 SHEET 1

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