Okanogan/Okanagan watershed

E654744

river basin watershed

The Okanogan/Okanagan watershed is a transboundary river basin spanning north-central Washington State and south-central British Columbia, encompassing the Okanagan and Okanogan river systems, lakes, and surrounding landscapes that drain into the Columbia River.

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All labels observed (5)

Label	Occurrences
Okanagan watershed	3
Okanagan River basin	2
Okanogan River basin	2
Okanogan River watershed	2
Okanogan/Okanagan watershed canonical	1

How this entity was disambiguated

This entity first appeared as the object of triple T7200906 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Okanogan/Okanagan watershed
Context triple: [Okanogan River, isPartOf, Okanogan/Okanagan watershed]

A. Okanogan River
The Okanogan River is a north–south flowing river in British Columbia and Washington that drains the Okanagan region into the Columbia River.
B. Okanagan
Okanagan is a region in south-central British Columbia, Canada, known for its lakes, vineyards, orchards, and warm, dry climate.
C. Okanagan River
The Okanagan River is a major waterway in British Columbia and Washington State that drains Okanagan Lake and flows south into the Columbia River, supporting agriculture, ecosystems, and communities along its course.
D. Okanogan Valley
Okanogan Valley is a broad, rural valley in north-central Washington known for its agricultural lands, outdoor recreation, and scenic landscapes along the Okanogan River.
E. Strait of Juan de Fuca watershed
The Strait of Juan de Fuca watershed is the drainage area that channels freshwater from surrounding rivers and lakes into the Strait of Juan de Fuca between Washington State and Vancouver Island.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Okanogan/Okanagan watershed
Target entity description: The Okanogan/Okanagan watershed is a transboundary river basin spanning north-central Washington State and south-central British Columbia, encompassing the Okanagan and Okanogan river systems, lakes, and surrounding landscapes that drain into the Columbia River.

A. Okanogan River
The Okanogan River is a north–south flowing river in British Columbia and Washington that drains the Okanagan region into the Columbia River.
B. Okanagan
Okanagan is a region in south-central British Columbia, Canada, known for its lakes, vineyards, orchards, and warm, dry climate.
C. Okanagan River
The Okanagan River is a major waterway in British Columbia and Washington State that drains Okanagan Lake and flows south into the Columbia River, supporting agriculture, ecosystems, and communities along its course.
D. Okanogan Valley
Okanogan Valley is a broad, rural valley in north-central Washington known for its agricultural lands, outdoor recreation, and scenic landscapes along the Okanogan River.
E. Strait of Juan de Fuca watershed
The Strait of Juan de Fuca watershed is the drainage area that channels freshwater from surrounding rivers and lakes into the Strait of Juan de Fuca between Washington State and Vancouver Island.
F. None of above. chosen

Statements (51)

Predicate	Object
instanceOf	river basin ⓘ watershed ⓘ
climateType	continental ⓘ semi-arid ⓘ
contains	agricultural lands ⓘ forested areas ⓘ lakes ⓘ rangelands ⓘ rivers ⓘ streams ⓘ urban areas ⓘ wetlands ⓘ
crossesBorder	Canada–United States border ⓘ
drainageBasinOf	Okanagan River ⓘ Okanogan River ⓘ
drainsInto	Columbia River ⓘ
governedBy	binational water management agreements ⓘ
hasManagementIssue	drought risk ⓘ fish passage ⓘ flood risk ⓘ water quality concerns ⓘ water scarcity ⓘ
hasPart	Kalamalka Lake ⓘ Okanagan Lake ⓘ Okanagan River ⓘ Okanagan Valley ⓘ Okanogan River ⓘ Okanogan Valley ⓘ Osoyoos Lake ⓘ Skaha Lake ⓘ Wood Lake ⓘ
locatedIn	British Columbia ⓘ Canada ⓘ North America ⓘ United States ⓘ linked to: United States of America Washington State ⓘ linked to: Washington
majorLandUse	forestry ⓘ irrigated agriculture ⓘ orchards ⓘ ranching ⓘ viticulture ⓘ
partOf	Columbia River Basin ⓘ
relevantTo	First Nations in British Columbia ⓘ linked to: First Nations of British Columbia Indigenous communities ⓘ tribes in Washington State ⓘ
spansRegion	north-central Washington State ⓘ south-central British Columbia ⓘ
supportsSpecies	anadromous salmon ⓘ kokanee salmon ⓘ linked to: Sockeye salmon resident trout ⓘ steelhead trout ⓘ

How these facts were elicited