New Bullards Bar Reservoir
E1000328
New Bullards Bar Reservoir is a large man-made lake in Northern California that provides water storage, hydroelectric power, and flood control as part of the broader Sacramento River system.
All labels observed (1)
| Label | Occurrences |
|---|---|
| New Bullards Bar Reservoir canonical | 6 |
How this entity was disambiguated
This entity first appeared as the object of triple T11941043 — 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 Reservoir Context triple: [Sacramento River watershed infrastructure, majorComponent, New Bullards Bar Reservoir]
-
A.
Boulder Reservoir
Boulder Reservoir is a popular recreational lake and water storage facility near the city of Boulder, Colorado, known for swimming, boating, fishing, and scenic mountain views.
-
B.
Rampart Reservoir
Rampart Reservoir is a popular high-altitude lake in Colorado known for fishing, boating, and scenic outdoor recreation near the Pikes Peak region.
-
C.
Round Valley Reservoir
Round Valley Reservoir is a large man-made lake in New Jersey known for its deep, clear waters, recreational fishing, boating, and surrounding wilderness areas.
-
D.
Pathfinder Reservoir
Pathfinder Reservoir is a large man-made lake in Wyoming, created by Pathfinder Dam on the North Platte River, primarily used for irrigation, flood control, and recreation.
-
E.
Alcova Reservoir
Alcova Reservoir is a man-made lake in central Wyoming popular for fishing, boating, and other water recreation, created by damming the North Platte River.
- 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 Reservoir Target entity description: New Bullards Bar Reservoir is a large man-made lake in Northern California that provides water storage, hydroelectric power, and flood control as part of the broader Sacramento River system.
-
A.
Boulder Reservoir
Boulder Reservoir is a popular recreational lake and water storage facility near the city of Boulder, Colorado, known for swimming, boating, fishing, and scenic mountain views.
-
B.
Rampart Reservoir
Rampart Reservoir is a popular high-altitude lake in Colorado known for fishing, boating, and scenic outdoor recreation near the Pikes Peak region.
-
C.
Round Valley Reservoir
Round Valley Reservoir is a large man-made lake in New Jersey known for its deep, clear waters, recreational fishing, boating, and surrounding wilderness areas.
-
D.
Pathfinder Reservoir
Pathfinder Reservoir is a large man-made lake in Wyoming, created by Pathfinder Dam on the North Platte River, primarily used for irrigation, flood control, and recreation.
-
E.
Alcova Reservoir
Alcova Reservoir is a man-made lake in central Wyoming popular for fishing, boating, and other water recreation, created by damming the North Platte River.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
artificial lake
ⓘ
reservoir ⓘ |
| basinCountry |
United States
ⓘ
linked to:
United States of America
|
| constructionCompleted | 1969 ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| createdBy | New Bullards Bar Dam ⓘ |
| elevation | about 2,000 feet above sea level ⓘ |
| hasCatchmentArea | over 490 square miles ⓘ |
| hasDamType | concrete arch dam (New Bullards Bar Dam) ⓘ |
| hasFeature | steep forested shorelines ⓘ |
| hasFishSpecies |
bass
ⓘ
kokanee salmon ⓘ trout ⓘ |
| hasPowerPlant | New Colgate Powerhouse ⓘ |
| hasStorageCapacity | about 970,000 acre-feet ⓘ |
| hasUseRestriction | no body-contact recreation in some areas (drinking water protection) ⓘ |
| inflow |
Middle Yuba River (via tunnel)
ⓘ
linked to:
Middle Yuba River
North Yuba River ⓘ |
| isMajorComponentOf | Yuba River Development Project ⓘ |
| isUpstreamOf |
Englebright Lake
NERFINISHED
ⓘ
Yuba River confluence with Feather River ⓘ |
| locatedIn |
California
ⓘ
linked to:
California, United States
Northern California ⓘ Sierra Nevada foothills ⓘ Yuba County, California ⓘ
linked to:
Yuba County
Yuba River watershed ⓘ |
| managingAgency | Yuba County Water Agency ⓘ |
| maximumDepth | over 600 feet ⓘ |
| namedAfter | Bullards Bar ⓘ |
| near | Camptonville, California ⓘ |
| operator | Yuba County Water Agency ⓘ |
| outflow | North Yuba River ⓘ |
| partOf |
Feather River watershed
ⓘ
Sacramento River system ⓘ
linked to:
Sacramento River Basin
|
| purpose |
flood control
ⓘ
hydroelectric power generation ⓘ recreation ⓘ water storage ⓘ |
| recreationalActivity |
boating
ⓘ
camping ⓘ fishing ⓘ water skiing ⓘ |
| region |
Sacramento Valley hydrologic region
ⓘ
linked to:
Sacramento Valley
|
| surfaceArea | about 4,700 acres ⓘ |
| usedFor |
downstream flood protection on the Yuba River
ⓘ
municipal and agricultural water supply ⓘ |
| watercourse | North Yuba River ⓘ |
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 Reservoir Description of subject: New Bullards Bar Reservoir is a large man-made lake in Northern California that provides water storage, hydroelectric power, and flood control as part of the broader Sacramento River system.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.