Sly Park Dam
E904821
Sly Park Dam is an earthfill dam in El Dorado County, California, built to provide water storage, recreation, and flood control in the Sierra Nevada foothills.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Sly Park Dam canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10452429 — 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: Sly Park Dam Context triple: [Jenkinson Lake, createdBy, Sly Park Dam]
-
A.
Taylor Park Dam
Taylor Park Dam is an earthfill dam on the Taylor River in Colorado, United States, built for irrigation storage, flood control, and recreation as part of the Uncompahgre Project.
-
B.
Petenwell Dam
Petenwell Dam is a hydroelectric dam in central Wisconsin that creates Petenwell Lake, one of the state’s largest reservoirs, on the Wisconsin River.
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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.
East Park Dam
East Park Dam is an early 20th-century concrete arch dam in Colusa County, California, built as part of the Orland Project to provide irrigation water storage and flood control.
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E.
Chatuge Dam
Chatuge Dam is a Tennessee Valley Authority hydroelectric and flood-control dam located on the Hiwassee River along the North Carolina–Georgia border.
- 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: Sly Park Dam Target entity description: Sly Park Dam is an earthfill dam in El Dorado County, California, built to provide water storage, recreation, and flood control in the Sierra Nevada foothills.
-
A.
Taylor Park Dam
Taylor Park Dam is an earthfill dam on the Taylor River in Colorado, United States, built for irrigation storage, flood control, and recreation as part of the Uncompahgre Project.
-
B.
Petenwell Dam
Petenwell Dam is a hydroelectric dam in central Wisconsin that creates Petenwell Lake, one of the state’s largest reservoirs, on the Wisconsin River.
-
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.
East Park Dam
East Park Dam is an early 20th-century concrete arch dam in Colusa County, California, built as part of the Orland Project to provide irrigation water storage and flood control.
-
E.
Chatuge Dam
Chatuge Dam is a Tennessee Valley Authority hydroelectric and flood-control dam located on the Hiwassee River along the North Carolina–Georgia border.
- F. None of above. chosen
Statements (39)
| Predicate | Object |
|---|---|
| instanceOf |
earthfill dam
ⓘ
embankment dam ⓘ |
| basinCountry |
United States of America
ⓘ
surface form:
United States
|
| benefits |
local water supply reliability
ⓘ
regional recreation opportunities ⓘ |
| constructionBegan | 1953 ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| dateCompleted | 1955 ⓘ |
| hasSpillway | yes ⓘ |
| height | about 190 feet ⓘ |
| impounds | Jenkinson Lake NERFINISHED ⓘ |
| length | about 760 feet ⓘ |
| locatedIn |
California, United States
ⓘ
surface form:
California
El Dorado County, California NERFINISHED ⓘ Sierra Nevada foothills ⓘ |
| locatedOnWatercourse | Sly Park Creek NERFINISHED ⓘ |
| managingAgency | United States Bureau of Reclamation NERFINISHED ⓘ |
| material | earthfill ⓘ |
| nearCity | Pollock Pines, California NERFINISHED ⓘ |
| operator | El Dorado Irrigation District NERFINISHED ⓘ |
| ownedBy | United States Bureau of Reclamation NERFINISHED ⓘ |
| partOf |
Central Valley Project
NERFINISHED
ⓘ
Sly Park Unit NERFINISHED ⓘ |
| purpose |
flood control
ⓘ
recreation ⓘ water storage ⓘ |
| recreationActivities |
boating
ⓘ
camping ⓘ fishing ⓘ |
| recreationArea | Sly Park Recreation Area NERFINISHED ⓘ |
| region | Sierra Nevada NERFINISHED ⓘ |
| reservoirCapacity | about 41,000 acre-feet ⓘ |
| reservoirName | Jenkinson Lake NERFINISHED ⓘ |
| reservoirSurfaceArea | about 650 acres ⓘ |
| usedFor |
flood management
ⓘ
irrigation ⓘ municipal water supply ⓘ outdoor recreation ⓘ |
| watercourse | Sly Park Creek 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: Sly Park Dam Description of subject: Sly Park Dam is an earthfill dam in El Dorado County, California, built to provide water storage, recreation, and flood control in the Sierra Nevada foothills.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.