Castle Rock Dam
E701960
Castle Rock Dam is a hydroelectric and flood-control dam on the Wisconsin River in central Wisconsin, forming Castle Rock Lake.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Castle Rock Dam canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7842845 — 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: Castle Rock Dam Context triple: [Wisconsin River, hasDam, Castle Rock 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.
Libby Dam
Libby Dam is a large hydroelectric and flood-control dam on the Kootenai River in Montana that contributes significant power and water management capacity to the Columbia River Basin.
-
C.
Rocky Reach Dam
Rocky Reach Dam is a major hydroelectric dam on the Columbia River in Washington State, known for generating power and incorporating fish passage and recreation facilities.
-
D.
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.
-
E.
O'Shaughnessy Dam
O'Shaughnessy Dam is a concrete arch-gravity dam in Yosemite National Park that creates the Hetch Hetchy Reservoir, supplying water and hydroelectric power to the San Francisco Bay Area.
- 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: Castle Rock Dam Target entity description: Castle Rock Dam is a hydroelectric and flood-control dam on the Wisconsin River in central Wisconsin, forming Castle Rock Lake.
-
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.
Libby Dam
Libby Dam is a large hydroelectric and flood-control dam on the Kootenai River in Montana that contributes significant power and water management capacity to the Columbia River Basin.
-
C.
Rocky Reach Dam
Rocky Reach Dam is a major hydroelectric dam on the Columbia River in Washington State, known for generating power and incorporating fish passage and recreation facilities.
-
D.
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.
-
E.
O'Shaughnessy Dam
O'Shaughnessy Dam is a concrete arch-gravity dam in Yosemite National Park that creates the Hetch Hetchy Reservoir, supplying water and hydroelectric power to the San Francisco Bay Area.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
flood control dam
ⓘ
gravity dam ⓘ hydroelectric dam ⓘ |
| basinCountry |
United States of America
ⓘ
surface form:
United States
|
| commissioned | 1950 ⓘ |
| constructionBegan | 1947 ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| createsWaterBody | Castle Rock Lake NERFINISHED ⓘ |
| crosses | Wisconsin River NERFINISHED ⓘ |
| elevationOfCrest | about 886 feet above sea level ⓘ |
| formsReservoir | Castle Rock Lake NERFINISHED ⓘ |
| hasPowerPlant | Castle Rock Dam Powerhouse NERFINISHED ⓘ |
| hasSpillway | yes ⓘ |
| installedCapacity | 15 MW ⓘ |
| isPartOf | Wisconsin River watershed NERFINISHED ⓘ |
| locatedDownstreamOf | Nekoosa Dam NERFINISHED ⓘ |
| locatedInCountrySubdivision | Midwestern United States NERFINISHED ⓘ |
| locatedInCounty |
Adams County, Wisconsin
NERFINISHED
ⓘ
Juneau County, Wisconsin NERFINISHED ⓘ |
| locatedInRegion | central Wisconsin NERFINISHED ⓘ |
| locatedInState | Wisconsin NERFINISHED ⓘ |
| locatedOnRiver | Wisconsin River NERFINISHED ⓘ |
| locatedUpstreamOf | Petenwell Dam NERFINISHED ⓘ |
| managesFloodRiskFor | communities downstream on the Wisconsin River ⓘ |
| nearCity |
Friendship, Wisconsin
NERFINISHED
ⓘ
Mauston, Wisconsin NERFINISHED ⓘ |
| numberOfTurbines | 2 ⓘ |
| openingDate | 1950 ⓘ |
| operator | Wisconsin River Power Company NERFINISHED ⓘ |
| ownedBy | Wisconsin River Power Company NERFINISHED ⓘ |
| partOf | Wisconsin River hydroelectric system NERFINISHED ⓘ |
| powerPlantType | hydroelectric power plant ⓘ |
| purpose |
flood control
ⓘ
hydroelectric power generation ⓘ recreation ⓘ |
| reservoirName | Castle Rock Lake NERFINISHED ⓘ |
| reservoirNameBeforeImpoundment | Wisconsin River NERFINISHED ⓘ |
| reservoirShorelineUse |
public recreation areas
ⓘ
residential development ⓘ |
| reservoirUse |
boating
ⓘ
camping ⓘ fishing ⓘ |
| riverSystem | Mississippi River basin NERFINISHED ⓘ |
| spillwayType | gated spillway ⓘ |
| turbineType | Kaplan turbine NERFINISHED ⓘ |
| watercourse | Wisconsin 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: Castle Rock Dam Description of subject: Castle Rock Dam is a hydroelectric and flood-control dam on the Wisconsin River in central Wisconsin, forming Castle Rock Lake.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.