Long Lake Dam
E674390
Long Lake Dam is a hydroelectric dam on Washington State’s Spokane River that creates Long Lake (also known as Lake Spokane) and provides power generation and water management for the region.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Long Lake Dam canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7183029 — 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: Long Lake Dam Context triple: [Spokane River, hasDam, Long Lake Dam]
-
A.
Lewiston Dam
Lewiston Dam is a concrete structure on the Trinity River in Northern California that forms Lewiston Lake and helps regulate water storage and diversion within the Trinity River Basin.
-
B.
Conklingville Dam
Conklingville Dam is a concrete gravity dam in New York that created the Great Sacandaga Lake reservoir for flood control and hydroelectric power generation.
-
C.
Chatfield Dam
Chatfield Dam is a large flood-control and water-storage structure in Colorado that creates Chatfield Reservoir on the South Platte River near Denver.
-
D.
Silver Lake Dam
Silver Lake Dam is a hydroelectric and flood-control structure on Michigan’s Dead River that helps regulate water flow and levels in the surrounding region.
-
E.
Clear Lake Dam
Clear Lake Dam is an irrigation and water-storage structure in northern California that helps regulate flows for agriculture and wildlife as part of the U.S. Bureau of Reclamation’s Klamath Project.
- 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: Long Lake Dam Target entity description: Long Lake Dam is a hydroelectric dam on Washington State’s Spokane River that creates Long Lake (also known as Lake Spokane) and provides power generation and water management for the region.
-
A.
Lewiston Dam
Lewiston Dam is a concrete structure on the Trinity River in Northern California that forms Lewiston Lake and helps regulate water storage and diversion within the Trinity River Basin.
-
B.
Conklingville Dam
Conklingville Dam is a concrete gravity dam in New York that created the Great Sacandaga Lake reservoir for flood control and hydroelectric power generation.
-
C.
Chatfield Dam
Chatfield Dam is a large flood-control and water-storage structure in Colorado that creates Chatfield Reservoir on the South Platte River near Denver.
-
D.
Silver Lake Dam
Silver Lake Dam is a hydroelectric and flood-control structure on Michigan’s Dead River that helps regulate water flow and levels in the surrounding region.
-
E.
Clear Lake Dam
Clear Lake Dam is an irrigation and water-storage structure in northern California that helps regulate flows for agriculture and wildlife as part of the U.S. Bureau of Reclamation’s Klamath Project.
- F. None of above. chosen
Statements (34)
| Predicate | Object |
|---|---|
| instanceOf |
gravity dam
ⓘ
hydroelectric dam ⓘ |
| basinCountry |
United States of America
ⓘ
surface form:
United States
|
| country |
United States of America
ⓘ
surface form:
United States
|
| createsReservoir |
Lake Spokane
NERFINISHED
ⓘ
Long Lake NERFINISHED ⓘ |
| hasEnergySource | hydropower ⓘ |
| hasPurpose |
electricity supply for the region
ⓘ
river flow regulation ⓘ |
| impounds | Spokane River NERFINISHED ⓘ |
| locatedIn |
United States of America
ⓘ
surface form:
United States
Washington ⓘ
surface form:
Washington State
|
| locatedNear |
Lincoln County, Washington
NERFINISHED
ⓘ
Long Lake, Washington NERFINISHED ⓘ Spokane County, Washington NERFINISHED ⓘ Stevens County, Washington NERFINISHED ⓘ |
| locatedOnRiver | Spokane River NERFINISHED ⓘ |
| namedAfter | Long Lake NERFINISHED ⓘ |
| partOf | Spokane River hydropower system NERFINISHED ⓘ |
| primaryFunction | hydroelectric power generation ⓘ |
| regionServed |
Spokane metropolitan area
NERFINISHED
ⓘ
eastern Washington NERFINISHED ⓘ |
| reservoirAlternateName | Lake Spokane NERFINISHED ⓘ |
| reservoirName | Long Lake NERFINISHED ⓘ |
| reservoirUse |
boating
ⓘ
fishing ⓘ recreation ⓘ wildlife habitat ⓘ |
| riverSystem | Columbia River basin NERFINISHED ⓘ |
| structureType | concrete dam ⓘ |
| usesFor |
flood control
ⓘ
recreation support ⓘ water management ⓘ |
| watercourse | Spokane River NERFINISHED ⓘ |
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: Long Lake Dam Description of subject: Long Lake Dam is a hydroelectric dam on Washington State’s Spokane River that creates Long Lake (also known as Lake Spokane) and provides power generation and water management for the region.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.