Prosser Creek Reservoir
E525492
Prosser Creek Reservoir is a man-made lake in Nevada County, California, used primarily for water storage, flood control, and recreation as part of the Truckee River system.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Prosser Creek Reservoir canonical | 5 |
| Prosser Reservoir | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5487164 — 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: Prosser Creek Reservoir Context triple: [Truckee River Operating Agreement, affects, Prosser Creek Reservoir]
-
A.
Hills Creek Reservoir
Hills Creek Reservoir is a man-made lake in Oregon’s Cascade Range, popular for fishing, boating, and camping within the Willamette National Forest.
-
B.
Banner Creek Reservoir
Banner Creek Reservoir is a man-made lake and recreational area in northeastern Kansas known for fishing, boating, camping, and wildlife habitat.
-
C.
Slab Creek Reservoir
Slab Creek Reservoir is an artificial lake in El Dorado County, California, formed by a dam on the South Fork American River and used for hydroelectric power generation and recreation.
-
D.
Clear Creek Reservoir
Clear Creek Reservoir is a mountain lake in central Colorado popular for fishing, boating, and camping within the San Isabel National Forest.
-
E.
Canistear Reservoir
Canistear Reservoir is a man-made lake in northern New Jersey that serves as a water supply and recreational area within the township of West Milford.
- 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: Prosser Creek Reservoir Target entity description: Prosser Creek Reservoir is a man-made lake in Nevada County, California, used primarily for water storage, flood control, and recreation as part of the Truckee River system.
-
A.
Hills Creek Reservoir
Hills Creek Reservoir is a man-made lake in Oregon’s Cascade Range, popular for fishing, boating, and camping within the Willamette National Forest.
-
B.
Banner Creek Reservoir
Banner Creek Reservoir is a man-made lake and recreational area in northeastern Kansas known for fishing, boating, camping, and wildlife habitat.
-
C.
Slab Creek Reservoir
Slab Creek Reservoir is an artificial lake in El Dorado County, California, formed by a dam on the South Fork American River and used for hydroelectric power generation and recreation.
-
D.
Clear Creek Reservoir
Clear Creek Reservoir is a mountain lake in central Colorado popular for fishing, boating, and camping within the San Isabel National Forest.
-
E.
Canistear Reservoir
Canistear Reservoir is a man-made lake in northern New Jersey that serves as a water supply and recreational area within the township of West Milford.
- F. None of above. chosen
Statements (41)
| Predicate | Object |
|---|---|
| instanceOf | reservoir ⓘ |
| basinCountry |
United States of America
ⓘ
surface form:
United States
|
| country |
United States of America
ⓘ
surface form:
United States
|
| damType | earthfill dam ⓘ |
| hasEcosystemType | montane reservoir ⓘ |
| hasFunction |
peak flow attenuation
ⓘ
sediment control ⓘ support of downstream ecosystems ⓘ |
| hasNearbyFacility | Prosser Family Campground NERFINISHED ⓘ |
| hasNearbyLandManager | United States Forest Service NERFINISHED ⓘ |
| hasNearbyRecreationArea | Prosser Creek Reservoir Recreation Area NERFINISHED ⓘ |
| hasOutflow | Prosser Creek NERFINISHED ⓘ |
| hasPurpose |
flood control
ⓘ
irrigation water supply ⓘ municipal water supply ⓘ recreation ⓘ |
| impoundedBy | Prosser Creek Dam NERFINISHED ⓘ |
| isReservoirOn | Prosser Creek Dam NERFINISHED ⓘ |
| isUpstreamOf | Truckee River NERFINISHED ⓘ |
| locatedIn |
California, United States
ⓘ
surface form:
California
Nevada County, California NERFINISHED ⓘ Truckee River basin NERFINISHED ⓘ |
| locatedInHydrologicRegion | Truckee River watershed NERFINISHED ⓘ |
| locatedInRegion |
Sierra Nevada
NERFINISHED
ⓘ
eastern California NERFINISHED ⓘ |
| managingAgency | United States Bureau of Reclamation NERFINISHED ⓘ |
| nearCity | Truckee, California NERFINISHED ⓘ |
| partOf |
Central Valley Project (Truckee Storage Unit)
NERFINISHED
ⓘ
Truckee River system NERFINISHED ⓘ |
| primaryUse |
flood control
ⓘ
recreation ⓘ water storage ⓘ |
| recreationalActivity |
boating
ⓘ
camping ⓘ fishing ⓘ picnicking ⓘ wildlife viewing ⓘ |
| usedFor |
drought storage
ⓘ
flow regulation of Truckee River ⓘ seasonal runoff capture ⓘ |
| watercourse | Prosser 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: Prosser Creek Reservoir Description of subject: Prosser Creek Reservoir is a man-made lake in Nevada County, California, used primarily for water storage, flood control, and recreation as part of the Truckee River system.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Prosser Reservoir