Lake Pateros (Columbia River reservoir)
E648748
Lake Pateros is a reservoir on the Columbia River in north-central Washington State, created by Wells Dam and used for hydroelectric power generation, recreation, and irrigation.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Lake Pateros (Columbia River reservoir) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7200892 — 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: Lake Pateros (Columbia River reservoir) Context triple: [Okanogan River, flowsInto, Lake Pateros (Columbia River reservoir)]
-
A.
Tibble Fork Reservoir
Tibble Fork Reservoir is a scenic mountain lake in Utah’s American Fork Canyon popular for fishing, kayaking, paddleboarding, and year-round outdoor recreation.
-
B.
Cle Elum Lake
Cle Elum Lake is a large reservoir in central Washington State, popular for outdoor recreation such as boating, fishing, and camping, and serving as an important water storage resource for the region.
-
C.
Prosser Creek Reservoir
Prosser Creek Reservoir is a man-made lake in Nevada County, California, used primarily for water storage, flood control, and recreation as part of the Truckee River system.
-
D.
Green River Lake
Green River Lake is a man-made reservoir in central Kentucky known for its recreational opportunities like boating, fishing, and camping within Green River Lake State Park.
-
E.
Arrow Lakes reservoir
Arrow Lakes reservoir is a large hydroelectric and flood-control reservoir on the Columbia River in British Columbia, Canada, created by dams built under the Columbia River Treaty.
- 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: Lake Pateros (Columbia River reservoir) Target entity description: Lake Pateros is a reservoir on the Columbia River in north-central Washington State, created by Wells Dam and used for hydroelectric power generation, recreation, and irrigation.
-
A.
Tibble Fork Reservoir
Tibble Fork Reservoir is a scenic mountain lake in Utah’s American Fork Canyon popular for fishing, kayaking, paddleboarding, and year-round outdoor recreation.
-
B.
Cle Elum Lake
Cle Elum Lake is a large reservoir in central Washington State, popular for outdoor recreation such as boating, fishing, and camping, and serving as an important water storage resource for the region.
-
C.
Prosser Creek Reservoir
Prosser Creek Reservoir is a man-made lake in Nevada County, California, used primarily for water storage, flood control, and recreation as part of the Truckee River system.
-
D.
Green River Lake
Green River Lake is a man-made reservoir in central Kentucky known for its recreational opportunities like boating, fishing, and camping within Green River Lake State Park.
-
E.
Arrow Lakes reservoir
Arrow Lakes reservoir is a large hydroelectric and flood-control reservoir on the Columbia River in British Columbia, Canada, created by dams built under the Columbia River Treaty.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
body of water
ⓘ
reservoir ⓘ |
| basinCountry |
United States of America
ⓘ
surface form:
United States
|
| country |
United States of America
ⓘ
surface form:
United States
|
| createdByDam | Wells Dam NERFINISHED ⓘ |
| formedByImpoundmentOf | Columbia River NERFINISHED ⓘ |
| hasDam | Wells Dam NERFINISHED ⓘ |
| hasFunction |
energy production
ⓘ
recreational area ⓘ water storage ⓘ |
| isReservoirOf | Wells Dam hydroelectric project NERFINISHED ⓘ |
| locatedIn |
Washington
ⓘ
surface form:
Washington State
|
| locatedInRegion | north-central Washington ⓘ |
| locatedInState | Washington NERFINISHED ⓘ |
| locatedInSubnationalEntity | Washington State NERFINISHED ⓘ |
| locatedInWatershed | Columbia River Basin NERFINISHED ⓘ |
| locatedNear |
Douglas County, Washington
NERFINISHED
ⓘ
Okanogan County, Washington NERFINISHED ⓘ Pateros, Washington NERFINISHED ⓘ |
| locatedOnRiver | Columbia River NERFINISHED ⓘ |
| partOf |
Columbia River mainstem reservoirs
ⓘ
Columbia River reservoir system NERFINISHED ⓘ |
| use |
hydroelectric power generation
ⓘ
irrigation ⓘ recreation ⓘ |
| waterbodyCreatedBy | Wells Dam NERFINISHED ⓘ |
| waterUse |
fishing
ⓘ
hydropower generation ⓘ irrigation supply ⓘ recreational boating ⓘ |
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: Lake Pateros (Columbia River reservoir) Description of subject: Lake Pateros is a reservoir on the Columbia River in north-central Washington State, created by Wells Dam and used for hydroelectric power generation, recreation, and irrigation.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.