East Park Dam
E896407
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.
All labels observed (1)
| Label | Occurrences |
|---|---|
| East Park Dam canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T10307724 — 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: East Park Dam Context triple: [East Park Reservoir, hasPart, East 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.
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B.
Parker Dam
Parker Dam is a concrete arch-gravity dam on the Colorado River best known for creating Lake Havasu and supplying water and hydroelectric power to parts of California and Arizona.
-
C.
Crystal Springs Dam
Crystal Springs Dam is a historic concrete gravity dam in San Mateo County, California, that impounds water to create the Crystal Springs Reservoir as part of the San Francisco Peninsula’s water supply system.
-
D.
Oak Grove Dam
Oak Grove Dam is a hydroelectric dam located on Oregon’s Clackamas River, used primarily for power generation and water management.
-
E.
Forestville Dam
Forestville Dam is a hydroelectric and recreational dam located on the Dead River near Marquette in Michigan’s Upper Peninsula.
- 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: East Park Dam Target entity description: 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.
-
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.
Parker Dam
Parker Dam is a concrete arch-gravity dam on the Colorado River best known for creating Lake Havasu and supplying water and hydroelectric power to parts of California and Arizona.
-
C.
Crystal Springs Dam
Crystal Springs Dam is a historic concrete gravity dam in San Mateo County, California, that impounds water to create the Crystal Springs Reservoir as part of the San Francisco Peninsula’s water supply system.
-
D.
Oak Grove Dam
Oak Grove Dam is a hydroelectric dam located on Oregon’s Clackamas River, used primarily for power generation and water management.
-
E.
Forestville Dam
Forestville Dam is a hydroelectric and recreational dam located on the Dead River near Marquette in Michigan’s Upper Peninsula.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
concrete arch dam
ⓘ
gravity-arch dam ⓘ irrigation dam ⓘ |
| associatedWith | Orland Unit Water Users Association NERFINISHED ⓘ |
| basinCountry |
United States of America
ⓘ
surface form:
United States
|
| category |
Buildings and structures in Colusa County, California
ⓘ
Dams in California ⓘ United States Bureau of Reclamation dams NERFINISHED ⓘ |
| completed | 1910 ⓘ |
| constructionBegan | 1908 ⓘ |
| constructionMethod | mass concrete ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| crestElevation | about 1,300 ft above sea level ⓘ |
| crosses | Little Stony Creek NERFINISHED ⓘ |
| design | curved concrete arch ⓘ |
| drainageBasin | Sacramento River basin NERFINISHED ⓘ |
| function | regulation of Little Stony Creek flows ⓘ |
| fundedBy | United States Reclamation Service NERFINISHED ⓘ |
| hasRecreation |
boating
ⓘ
camping ⓘ fishing ⓘ wildlife viewing ⓘ |
| height | 113 ft ⓘ |
| historicPeriod | early 20th century ⓘ |
| impounds | East Park Reservoir NERFINISHED ⓘ |
| length | 1,100 ft ⓘ |
| locatedIn |
California, United States
ⓘ
surface form:
California
Colusa County, California NERFINISHED ⓘ Sacramento Valley NERFINISHED ⓘ |
| locatedInProtectedArea | East Park Reservoir Recreation Area NERFINISHED ⓘ |
| locatedInTimeZone | Pacific Time Zone ⓘ |
| locatedNear | Stonyford, California NERFINISHED ⓘ |
| locatedOn | Little Stony Creek NERFINISHED ⓘ |
| managingAgency | United States Bureau of Reclamation NERFINISHED ⓘ |
| material | concrete ⓘ |
| opened | 1910 ⓘ |
| operator | United States Bureau of Reclamation NERFINISHED ⓘ |
| owner | United States Bureau of Reclamation NERFINISHED ⓘ |
| partOf | Orland Project NERFINISHED ⓘ |
| project | Orland Project NERFINISHED ⓘ |
| purpose |
flood control
ⓘ
irrigation water storage ⓘ recreation ⓘ |
| regionServed | Orland Unit Water Users Association service area ⓘ |
| reservoirCapacity | about 51,000 acre-feet ⓘ |
| reservoirName | East Park Reservoir NERFINISHED ⓘ |
| waterUse | agricultural irrigation ⓘ |
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: East Park Dam Description of subject: 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.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.