New Bullards Bar Dam
E1043232
New Bullards Bar Dam is a large concrete arch dam on the North Yuba River in Northern California, primarily used for hydroelectric power generation, flood control, and water storage.
All labels observed (2)
| Label | Occurrences |
|---|---|
| New Bullards Bar Dam canonical | 2 |
| New Bullards Bar Dam and Reservoir | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11941042 — 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: New Bullards Bar Dam Context triple: [Sacramento River watershed infrastructure, majorComponent, New Bullards Bar Dam]
-
A.
Red Bluff Dam
Red Bluff Dam is a major irrigation and water storage structure on the Pecos River in West Texas, forming Red Bluff Reservoir to support agriculture and regional water management.
-
B.
LaBarge Dam
LaBarge Dam is a small hydroengineering structure located on the Thornapple River in Michigan, used primarily for water level control and local recreation.
-
C.
Red Rock Dam
Red Rock Dam is a large flood-control and hydroelectric dam on the Des Moines River in central Iowa, forming Lake Red Rock as the state’s largest reservoir.
-
D.
Hollywood Dam
Hollywood Dam is a concrete arch-gravity dam in the Hollywood Hills of Los Angeles that impounds the Hollywood Reservoir as part of the city’s water supply system.
-
E.
Arrowrock Dam
Arrowrock Dam is an early 20th-century concrete arch dam in Idaho, notable for its role in irrigation, flood control, and hydroelectric power generation in the Boise River basin.
- 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: New Bullards Bar Dam Target entity description: New Bullards Bar Dam is a large concrete arch dam on the North Yuba River in Northern California, primarily used for hydroelectric power generation, flood control, and water storage.
-
A.
Red Bluff Dam
Red Bluff Dam is a major irrigation and water storage structure on the Pecos River in West Texas, forming Red Bluff Reservoir to support agriculture and regional water management.
-
B.
LaBarge Dam
LaBarge Dam is a small hydroengineering structure located on the Thornapple River in Michigan, used primarily for water level control and local recreation.
-
C.
Red Rock Dam
Red Rock Dam is a large flood-control and hydroelectric dam on the Des Moines River in central Iowa, forming Lake Red Rock as the state’s largest reservoir.
-
D.
Hollywood Dam
Hollywood Dam is a concrete arch-gravity dam in the Hollywood Hills of Los Angeles that impounds the Hollywood Reservoir as part of the city’s water supply system.
-
E.
Arrowrock Dam
Arrowrock Dam is an early 20th-century concrete arch dam in Idaho, notable for its role in irrigation, flood control, and hydroelectric power generation in the Boise River basin.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
concrete arch dam
ⓘ
hydroelectric dam ⓘ |
| alsoKnownAs |
New Bullards Bar Dam and Reservoir
ⓘ
linked to:
New Bullards Bar Dam
|
| basinCountry |
United States
ⓘ
linked to:
United States of America
|
| catchmentArea |
North Yuba River basin
ⓘ
linked to:
North Yuba River
|
| constructionBegan | 1966 ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| designedFor | high flood-control storage ⓘ |
| hasPowerPlant | New Colgate Powerhouse ⓘ |
| hasSpillway | gated spillway ⓘ |
| height |
approximately 197 meters
ⓘ
approximately 645 feet ⓘ |
| impounds | New Bullards Bar Reservoir ⓘ |
| isUpstreamOf |
Englebright Dam
ⓘ
Yuba River confluence with Feather River ⓘ |
| length |
approximately 2,323 feet
ⓘ
approximately 708 meters ⓘ |
| locatedIn |
Northern California
ⓘ
Yuba County, California ⓘ
linked to:
Yuba County
|
| locatedInMountainRange | Sierra Nevada ⓘ |
| locatedOnRiver | North Yuba River ⓘ |
| managesFloodRiskFor |
Feather River
ⓘ
Sacramento Valley ⓘ Yuba River ⓘ |
| material | concrete ⓘ |
| nearbyCity |
Camptonville, California
ⓘ
Marysville, California ⓘ
linked to:
City of Marysville
|
| openingDate | 1969 ⓘ |
| operator | Yuba County Water Agency ⓘ |
| owner | Yuba County Water Agency ⓘ |
| partOf | Yuba River Development Project ⓘ |
| powerPlantCapacity | approximately 315 megawatts ⓘ |
| primaryUse | hydroelectric power generation ⓘ |
| purpose |
downstream flood protection
ⓘ
irrigation water supply ⓘ peaking power generation ⓘ recreation ⓘ |
| recreationActivity |
boating
ⓘ
camping ⓘ fishing ⓘ |
| region | Sierra Nevada foothills ⓘ |
| reservoirCapacity |
approximately 1.20 cubic kilometres
ⓘ
approximately 969,600 acre-feet ⓘ |
| typeOfDam | variable-radius concrete arch dam ⓘ |
| use |
flood control
ⓘ
water storage ⓘ |
| waterBodyCreated | New Bullards Bar Reservoir ⓘ |
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: New Bullards Bar Dam Description of subject: New Bullards Bar Dam is a large concrete arch dam on the North Yuba River in Northern California, primarily used for hydroelectric power generation, flood control, and water storage.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: New Bullards Bar Dam