Post Falls Dam
E666211
Post Falls Dam is a hydroelectric dam on the Spokane River in northern Idaho that helps generate power and regulate water levels in the region.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Post Falls Dam canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7183024 — 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: Post Falls Dam Context triple: [Spokane River, hasDam, Post Falls Dam]
-
A.
Priest Rapids Dam
Priest Rapids Dam is a hydroelectric dam on the Columbia River in Washington State that generates power and helps regulate river flow as part of the region’s larger hydropower system.
-
B.
American Falls Dam
American Falls Dam is a major irrigation and hydroelectric dam in southeastern Idaho that creates the American Falls Reservoir on the Snake River.
-
C.
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.
-
D.
Ice Harbor Dam
Ice Harbor Dam is a hydroelectric dam and navigation lock on the lower Snake River in Washington State, forming Lake Sacajawea and contributing to power generation, irrigation, and river transport in the region.
-
E.
Forge Dam
Forge Dam is a popular recreational park and former industrial mill site along Porter Brook in Sheffield, England, known for its woodland walks, playground, and café.
- 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: Post Falls Dam Target entity description: Post Falls Dam is a hydroelectric dam on the Spokane River in northern Idaho that helps generate power and regulate water levels in the region.
-
A.
Priest Rapids Dam
Priest Rapids Dam is a hydroelectric dam on the Columbia River in Washington State that generates power and helps regulate river flow as part of the region’s larger hydropower system.
-
B.
American Falls Dam
American Falls Dam is a major irrigation and hydroelectric dam in southeastern Idaho that creates the American Falls Reservoir on the Snake River.
-
C.
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.
-
D.
Ice Harbor Dam
Ice Harbor Dam is a hydroelectric dam and navigation lock on the lower Snake River in Washington State, forming Lake Sacajawea and contributing to power generation, irrigation, and river transport in the region.
-
E.
Forge Dam
Forge Dam is a popular recreational park and former industrial mill site along Porter Brook in Sheffield, England, known for its woodland walks, playground, and café.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
gravity dam
ⓘ
hydroelectric dam ⓘ |
| constructionStartDate | 1904 ⓘ |
| controlsOutflowFrom | Lake Coeur d'Alene NERFINISHED ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| crosses | Spokane River NERFINISHED ⓘ |
| downstreamOf | Lake Coeur d'Alene NERFINISHED ⓘ |
| energySource | hydropower ⓘ |
| environmentalImpact | affects fish migration on Spokane River ⓘ |
| formerlyOwnedBy | Washington Water Power Company NERFINISHED ⓘ |
| hasFunction |
flood control
ⓘ
recreation support ⓘ |
| hasNameOrigin | named after the city of Post Falls ⓘ |
| hasPowerhouse | Post Falls Dam Powerhouse NERFINISHED ⓘ |
| hasSpillway | yes ⓘ |
| hasType | run-of-the-river dam ⓘ |
| impounds | Spokane River NERFINISHED ⓘ |
| locatedIn |
Idaho
ⓘ
Kootenai County, Idaho NERFINISHED ⓘ Post Falls, Idaho NERFINISHED ⓘ |
| locatedInCountry |
United States of America
ⓘ
surface form:
United States
|
| locatedInTimeZone | Pacific Time Zone ⓘ |
| locatedInWatershed | Columbia River Basin NERFINISHED ⓘ |
| locatedOnRiver | Spokane River NERFINISHED ⓘ |
| managesWaterLevelsOf | Spokane River NERFINISHED ⓘ |
| nearBorderOf | Idaho–Washington border NERFINISHED ⓘ |
| nearbyCity |
Coeur d'Alene
NERFINISHED
ⓘ
Post Falls NERFINISHED ⓘ |
| nearFeature |
Falls Park
NERFINISHED
ⓘ
Post Falls waterfall NERFINISHED ⓘ |
| numberOfTurbines | 6 ⓘ |
| openingDate | 1906 ⓘ |
| operator | Avista Utilities NERFINISHED ⓘ |
| ownedBy | Avista Utilities NERFINISHED ⓘ |
| partOf | Spokane River hydropower system NERFINISHED ⓘ |
| purpose |
flow regulation
ⓘ
hydroelectric power generation ⓘ water level regulation ⓘ |
| region | northern Idaho NERFINISHED ⓘ |
| regulatesSeasonalLevelsOf |
Lake Coeur d'Alene
NERFINISHED
ⓘ
Spokane River NERFINISHED ⓘ |
| reservoirInfluence | Lake Coeur d'Alene water level ⓘ |
| status | operational ⓘ |
| upstreamOf | Spokane, Washington NERFINISHED ⓘ |
| usedFor |
regional electricity supply
ⓘ
river flow management ⓘ |
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: Post Falls Dam Description of subject: Post Falls Dam is a hydroelectric dam on the Spokane River in northern Idaho that helps generate power and regulate water levels in the region.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.