Columbia South Shore Well Field

E49796

The Columbia South Shore Well Field is a major groundwater supply system that provides drinking water to the Portland, Oregon metropolitan area, particularly as a backup and supplemental source to the city’s primary surface water.


Statements (47)
Predicate Object
instanceOf drinking water supply system
groundwater well field
aquiferType alluvial aquifer
basalt aquifer
connectedTo Portland distribution system
country United States
function ensure reliability of Portland water supply
provide redundancy for surface water system
hasInfrastructureType high-capacity production wells
municipal groundwater wells
hasManagementPlan groundwater protection plan
source water protection plan
hasPart monitoring wells
municipal production wells
pumping facilities
transmission mains
hasProtectionArea wellhead protection area
locatedIn Columbia South Shore area of Portland
Multnomah County, Oregon
Portland, Oregon
locatedNear Columbia River
monitoredBy Portland Water Bureau water quality laboratory
near Portland International Airport
operatedBy Portland Water Bureau
ownedBy City of Portland
partOf Portland Water Bureau supply system
primaryRole backup to primary surface water supply
supplement to primary surface water supply
primarySurfaceSupply Bull Run Watershed
region Pacific Northwest
regulatingAuthority Oregon Department of Environmental Quality
Oregon Health Authority
riskManagement contamination prevention
serves City of Portland, Oregon
Portland metropolitan area
state Oregon
subjectTo drinking water quality standards
groundwater protection regulations
use emergency water supply
municipal drinking water supply
supplemental water supply
waterSourceType groundwater
waterType treated groundwater
waterUse drought supply
emergency outage backup
peak demand augmentation
potable water

Referenced by (1)
Subject (surface form when different) Predicate
Portland Water Bureau
usesWaterSource

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