Jordanelle Dam
E722563
Jordanelle Dam is a large earthfill dam in northern Utah that creates Jordanelle Reservoir, providing water storage, flood control, and recreation for the surrounding region.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Jordanelle Reservoir | 3 |
| Jordanelle Dam canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8157718 — 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: Jordanelle Dam Context triple: [Provo River, hasDam, Jordanelle Dam]
-
A.
Bagnell Dam
Bagnell Dam is a large hydroelectric dam on the Osage River in Missouri, best known for impounding the Lake of the Ozarks and serving as a major regional power and recreation infrastructure.
-
B.
Piute Dam
Piute Dam is an irrigation and water storage structure on the Sevier River in south-central Utah, forming Piute Reservoir to support agriculture in the surrounding region.
-
C.
Mormon Flat Dam
Mormon Flat Dam is a concrete thin arch dam on Arizona’s Salt River that forms Canyon Lake and helps provide hydroelectric power, water storage, and flood control for the region.
-
D.
Blue Mesa Dam
Blue Mesa Dam is a large earthfill dam on the Gunnison River in Colorado, forming Blue Mesa Reservoir as part of the Colorado River Storage Project.
-
E.
Horsetooth Reservoir
Horsetooth Reservoir is a large man-made lake near Fort Collins, Colorado, popular for recreation and water storage as part of the region’s major water supply system.
- 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: Jordanelle Dam Target entity description: Jordanelle Dam is a large earthfill dam in northern Utah that creates Jordanelle Reservoir, providing water storage, flood control, and recreation for the surrounding region.
-
A.
Bagnell Dam
Bagnell Dam is a large hydroelectric dam on the Osage River in Missouri, best known for impounding the Lake of the Ozarks and serving as a major regional power and recreation infrastructure.
-
B.
Piute Dam
Piute Dam is an irrigation and water storage structure on the Sevier River in south-central Utah, forming Piute Reservoir to support agriculture in the surrounding region.
-
C.
Mormon Flat Dam
Mormon Flat Dam is a concrete thin arch dam on Arizona’s Salt River that forms Canyon Lake and helps provide hydroelectric power, water storage, and flood control for the region.
-
D.
Blue Mesa Dam
Blue Mesa Dam is a large earthfill dam on the Gunnison River in Colorado, forming Blue Mesa Reservoir as part of the Colorado River Storage Project.
-
E.
Horsetooth Reservoir
Horsetooth Reservoir is a large man-made lake near Fort Collins, Colorado, popular for recreation and water storage as part of the region’s major water supply system.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
earthfill dam
ⓘ
embankment dam ⓘ |
| basinCountry |
United States of America
ⓘ
surface form:
United States
|
| completedIn | 1993 ⓘ |
| constructionBegan | 1987 ⓘ |
| constructionMaterial |
earthfill
ⓘ
rockfill ⓘ |
| continent | North America ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| creates | Jordanelle Reservoir NERFINISHED ⓘ |
| hasSpillway | yes ⓘ |
| height |
about 305 feet
ⓘ
about 97 meters ⓘ |
| impounds | Provo River NERFINISHED ⓘ |
| length |
about 1,370 meters
ⓘ
about 4,500 feet ⓘ |
| locatedIn |
Wasatch County, Utah
NERFINISHED
ⓘ
northern Utah ⓘ |
| locatedNear |
Heber City, Utah
NERFINISHED
ⓘ
Park City, Utah NERFINISHED ⓘ |
| managingAgency | U.S. Bureau of Reclamation NERFINISHED ⓘ |
| nearCity |
Heber City
NERFINISHED
ⓘ
Park City NERFINISHED ⓘ |
| openingYear | 1993 ⓘ |
| operator | United States Bureau of Reclamation NERFINISHED ⓘ |
| ownedBy | United States Bureau of Reclamation NERFINISHED ⓘ |
| partOf |
Bonneville Unit
NERFINISHED
ⓘ
Central Utah Project NERFINISHED ⓘ |
| providesWaterTo |
Salt Lake County
NERFINISHED
ⓘ
Utah County NERFINISHED ⓘ Wasatch County NERFINISHED ⓘ |
| purpose |
flood control
ⓘ
irrigation water supply ⓘ municipal water supply ⓘ recreation ⓘ water storage ⓘ |
| recreationActivity |
boating
ⓘ
camping ⓘ fishing ⓘ |
| recreationArea | Jordanelle State Park NERFINISHED ⓘ |
| regionServed | Wasatch Front NERFINISHED ⓘ |
| reservoirCapacity | about 320,000 acre-feet ⓘ |
| reservoirName | Jordanelle Reservoir NERFINISHED ⓘ |
| river | Provo River NERFINISHED ⓘ |
| state | Utah ⓘ |
| watercourse | Provo 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: Jordanelle Dam Description of subject: Jordanelle Dam is a large earthfill dam in northern Utah that creates Jordanelle Reservoir, providing water storage, flood control, and recreation for the surrounding region.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Jordanelle Reservoir
this entity surface form:
Jordanelle Reservoir
this entity surface form:
Jordanelle Reservoir