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Water and Wastewater Plant Directory
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Pendleton, Oregon, USA
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City of Pendleton Water Treatment Plant
c/o City of Pendleton
500 SW Dorion Ave.
Pendleton, Oregon, 97801
USA
Contact Information:
Contact: Bob Patterson, Director
Email:
Telephone: 541-966-0202
Fax:
Plant Operation: Municipal
Processing: Water
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Web site:
http://www.pendleton.or.us/watersupplydevelopment.htm
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Plant/Process Description:
Water Treatment Plant: The Water Treatment Plant
uses ultra-filtration membranes to filter the
water at a rate of 6 million gallons per day. The
membranes provide a physical barrier to remove
sediment and disease-causing organisms. Water
from Thornhollow Springs and the Umatilla River
will be siphoned through the membranes.
A small portion of the water will become
concentrated with sediment; this is called reject
water. The reject water will be siphoned from the
membrane basins to settling ponds. The sediment
from this reject water will settle out in the
ponds, and the remaining water will be pumped
back to the raw water feed entering the membrane
basins to be filtered again.
River Intake/Pump Station: The intake/pump
station has been constructed to divert up to 15
million gallons per day from the Umatilla River.
Intake screens are fish friendly and do not have
a detrimental effect on natural stream
flows.
AQuifer Storage Recovery (ASR): Well #1, located
at Kiwanis Park, and Well #5, located at Stillman
Park, have been modified for storing and
recovering the filtered water from the new Water
Treatment Plant in a process known as Aquifer
Storage and Recovery (ASR).
During the winter months when there is plenty of
water in the Umatilla River, water will be
filtered at the Water Treatment Plant and the
amount not used by citizens will be pumped into
the deep basalt aquifers through Well #1 and Well
#5.–this is aquifer storage. During the summer
months when demand for water is at its peak,
water will be pumped out of the deep basalt
aquifers–this is recovery.
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Owner:
City of Pendleton
Web site:
http://www.pendleton.or.us/
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Operating Company:
City of Pendleton
Web site:
http://www.pendleton.or.us/
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Directions:
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Disclaimer:
Water and Wastewater.com provides the information on
this page for reference purposes only. We do not certify
the accuracy of the information provided by third-party
individuals for this listing.
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