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Water quality monitoring station

31A070 - Columbia R @ Umatilla

Photo of stream from sample site

Selected station details

type Ben. Use uwa ecoregion county contact map detail
long-term spawn/prim/0 214000 mi2 Columbia Basin Benton Sherratt google maps® 
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Years when sampling has occurred:

09 08 07 06 05 04 03 02 01 00 99 98 97 96 95 94 93 92 91 90 89 88
87 86 85 84 83 82 81 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66
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31A070 - Columbia R @ Umatilla

Station overview

Overall water quality at this station met or exceeded expectations and is of lowest concern. (based on water-year 2008 assessment)

More station details:

latitude longitude LLID Route Measure river mile substrate flow gaging mixing elevation surrounding waterbody id location type
45.9338 119.3264 1240483462464 462.16 290.5 Bedrock Yes (Pool) Dam Good 240 ft. Desert WA-CR-1020 bank

Comment:

Bank sample from a rocky point with good flow (near permanent USA COE sampling station).

Location:

LOCATED BELOW MCNARY DAM just east of the UMATILLA INTERSTATE BRIDGE, off the point.

 

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Questions or comments on content may be sent to Dave Hallock
Questions or comments on presentation may be sent to Steve Barrett.