Petenwell Dam
E705833
Petenwell Dam is a hydroelectric dam in central Wisconsin that creates Petenwell Lake, one of the state’s largest reservoirs, on the Wisconsin River.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Petenwell Dam canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7842846 — 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: Petenwell Dam Context triple: [Wisconsin River, hasDam, Petenwell Dam]
-
A.
Almanor Dam
Almanor Dam is a large earthfill hydroelectric dam in Plumas County, California, that impounds the North Fork Feather River to form Lake Almanor.
-
B.
Denison Dam
Denison Dam is a large earthen dam on the Red River between Texas and Oklahoma, built for flood control, hydroelectric power generation, and water supply.
-
C.
Fengman Dam
Fengman Dam is a large hydroelectric gravity dam on the Songhua River in Jilin Province, China, known for its significant role in regional power generation and flood control.
-
D.
Nisramont Dam
Nisramont Dam is a hydroelectric and recreational dam in the Belgian Ardennes, forming a large reservoir on the Ourthe River near La Roche-en-Ardenne.
-
E.
Merwin Dam
Merwin Dam is a hydroelectric dam on Washington State’s Lewis River that forms Lake Merwin and generates power for the region.
- 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: Petenwell Dam Target entity description: Petenwell Dam is a hydroelectric dam in central Wisconsin that creates Petenwell Lake, one of the state’s largest reservoirs, on the Wisconsin River.
-
A.
Almanor Dam
Almanor Dam is a large earthfill hydroelectric dam in Plumas County, California, that impounds the North Fork Feather River to form Lake Almanor.
-
B.
Denison Dam
Denison Dam is a large earthen dam on the Red River between Texas and Oklahoma, built for flood control, hydroelectric power generation, and water supply.
-
C.
Fengman Dam
Fengman Dam is a large hydroelectric gravity dam on the Songhua River in Jilin Province, China, known for its significant role in regional power generation and flood control.
-
D.
Nisramont Dam
Nisramont Dam is a hydroelectric and recreational dam in the Belgian Ardennes, forming a large reservoir on the Ourthe River near La Roche-en-Ardenne.
-
E.
Merwin Dam
Merwin Dam is a hydroelectric dam on Washington State’s Lewis River that forms Lake Merwin and generates power for the region.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
gravity dam
ⓘ
hydroelectric dam ⓘ |
| associatedProtectedArea | Petenwell County Park NERFINISHED ⓘ |
| category |
Buildings and structures in Adams County, Wisconsin
ⓘ
Buildings and structures in Juneau County, Wisconsin ⓘ Dams in Wisconsin ⓘ Hydroelectric power plants in Wisconsin ⓘ |
| completionDate | 1950 ⓘ |
| constructionBegan | 1948 ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| createsReservoir | Petenwell Lake NERFINISHED ⓘ |
| crosses | Wisconsin River NERFINISHED ⓘ |
| downstreamFrom | Castle Rock Dam NERFINISHED ⓘ |
| energySource | hydropower ⓘ |
| gridConnection | regional electrical grid in Wisconsin ⓘ |
| hasSpillway | yes ⓘ |
| hasTurbineType | hydraulic turbine ⓘ |
| height | approximately 30 meters ⓘ |
| impounds | Petenwell Lake NERFINISHED ⓘ |
| installedCapacity | approximately 40 MW ⓘ |
| length | approximately 6 kilometers ⓘ |
| locatedIn |
Adams County, Wisconsin
NERFINISHED
ⓘ
Juneau County, Wisconsin NERFINISHED ⓘ central Wisconsin ⓘ |
| locatedInCountry |
United States of America
ⓘ
surface form:
United States
|
| locatedOnRiver | Wisconsin River NERFINISHED ⓘ |
| nearCity |
Friendship, Wisconsin
NERFINISHED
ⓘ
Necedah, Wisconsin NERFINISHED ⓘ |
| openingDate | 1950 ⓘ |
| operator | Wisconsin River Power Company NERFINISHED ⓘ |
| ownedBy | Wisconsin River Power Company NERFINISHED ⓘ |
| partOf | Wisconsin River hydroelectric system NERFINISHED ⓘ |
| purpose |
hydroelectric power generation
ⓘ
recreation support ⓘ water level regulation ⓘ |
| region | Midwestern United States ⓘ |
| reservoirLocation | Wisconsin NERFINISHED ⓘ |
| reservoirName | Petenwell Lake NERFINISHED ⓘ |
| reservoirType |
artificial lake
ⓘ
reservoir ⓘ |
| riverBasin | Wisconsin River basin NERFINISHED ⓘ |
| state | Wisconsin ⓘ |
| supportsActivity |
boating
ⓘ
camping ⓘ fishing ⓘ |
| upstreamFrom | Nekoosa Dam NERFINISHED ⓘ |
| waterBodyCreatedAreaRankInWisconsin | one of the largest reservoirs in Wisconsin ⓘ |
| 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: Petenwell Dam Description of subject: Petenwell Dam is a hydroelectric dam in central Wisconsin that creates Petenwell Lake, one of the state’s largest reservoirs, on the Wisconsin River.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.