Columbia South Shore Well Field

E49796

drinking water supply system groundwater well field

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.

Try in SPARQL Jump to: Surface forms Statements Referenced by

All labels observed (2)

Label	Occurrences
Columbia South Shore Well Field canonical	1
Portland Columbia South Shore Well Field	1

Statements (47)

Predicate	Object
instanceOf	drinking water supply system ⓘ groundwater well field ⓘ
aquiferType	alluvial aquifer ⓘ basalt aquifer ⓘ
connectedTo	Portland distribution system ⓘ
country	United States of America ⓘ surface form: 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 ⓘ surface form: Multnomah County, Oregon Portland, Oregon, United States ⓘ surface form: Portland, Oregon
locatedNear	Columbia River ⓘ
monitoredBy	Portland Water Bureau ⓘ surface form: Portland Water Bureau water quality laboratory
near	Portland International Airport ⓘ
operatedBy	Portland Water Bureau ⓘ
ownedBy	Portland ⓘ surface form: City of Portland
partOf	Portland Water Bureau ⓘ surface form: 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	Portland, Oregon, United States ⓘ surface form: 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 ⓘ

How these facts were elicited

The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.

Instruction

You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10.

# Requirements
- If you don't know the subject at all, return an empty list.
- If the subject is not a named entity, return an empty list.
- Include at least one triple where predicate is "instanceOf".
- Do not get too wordy.
- Separate several objects into multiple triples with one object.

Input

Subject: Columbia South Shore Well Field
Description of subject: 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.

Referenced by (2)

Full triples — surface form annotated when it differs from this entity's canonical label.

Portland Water Bureau → usesWaterSource → Columbia South Shore Well Field ⓘ

Columbia South Shore area of Portland → contains → Columbia South Shore Well Field ⓘ

subject surface form: Columbia South Shore

this entity surface form: Portland Columbia South Shore Well Field