Tracy Pumping Plant
E60062
Tracy Pumping Plant is a major water pumping facility in California that lifts and conveys water from the Sacramento–San Joaquin Delta into the Central Valley Project’s distribution system.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Tracy Pumping Plant canonical | 1 |
| Tracy Pumping Plant of the Delta Division | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T474341 — 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: Tracy Pumping Plant Context triple: [Central Valley Project, includes, Tracy Pumping Plant]
-
A.
Jones Pumping Plant
Jones Pumping Plant is a major water pumping facility in California’s Central Valley that lifts and conveys water from the Sacramento-San Joaquin Delta into the Central Valley Project’s distribution system.
-
B.
Croton Water Filtration Plant
The Croton Water Filtration Plant is a major underground water treatment facility in New York City that filters and improves drinking water drawn from the Croton water supply system.
-
C.
New Croton Reservoir
The New Croton Reservoir is a major water supply reservoir in Westchester County, New York, that forms a key part of New York City's Croton water system.
-
D.
Croton water supply system
The Croton water supply system is a historic network of reservoirs, aqueducts, and related infrastructure that delivers drinking water from New York’s Croton River watershed to New York City.
-
E.
Columbia South Shore Well Field
The Columbia South Shore Well Field is a major groundwater supply system that provides drinking water to the Portland, Oregon metropolitan area, particularly as a backup and supplemental source to the city’s primary surface water.
- 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: Tracy Pumping Plant Target entity description: Tracy Pumping Plant is a major water pumping facility in California that lifts and conveys water from the Sacramento–San Joaquin Delta into the Central Valley Project’s distribution system.
-
A.
Jones Pumping Plant
Jones Pumping Plant is a major water pumping facility in California’s Central Valley that lifts and conveys water from the Sacramento-San Joaquin Delta into the Central Valley Project’s distribution system.
-
B.
Croton Water Filtration Plant
The Croton Water Filtration Plant is a major underground water treatment facility in New York City that filters and improves drinking water drawn from the Croton water supply system.
-
C.
New Croton Reservoir
The New Croton Reservoir is a major water supply reservoir in Westchester County, New York, that forms a key part of New York City's Croton water system.
-
D.
Croton water supply system
The Croton water supply system is a historic network of reservoirs, aqueducts, and related infrastructure that delivers drinking water from New York’s Croton River watershed to New York City.
-
E.
Columbia South Shore Well Field
The Columbia South Shore Well Field is a major groundwater supply system that provides drinking water to the Portland, Oregon metropolitan area, particularly as a backup and supplemental source to the city’s primary surface water.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
Central Valley Project facility
ⓘ
water infrastructure facility ⓘ water pumping plant ⓘ |
| connectedTo |
Delta-Mendota Canal
ⓘ
surface form:
Delta–Mendota Canal
|
| constructionStartDate | late 1940s ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| dischargesInto |
Delta-Mendota Canal
ⓘ
surface form:
Delta–Mendota Canal
|
| drawsWaterFrom |
Sacramento–San Joaquin River Delta
ⓘ
surface form:
Sacramento–San Joaquin Delta
|
| elevationLift | approximately 200 feet ⓘ |
| environmentalConcern | impacts on Delta fish species ⓘ |
| governedBy | federal water project regulations ⓘ |
| hasAlternativeName |
Tracy Pumping Plant
ⓘ
surface form:
Tracy Pumping Plant of the Delta Division
|
| hasComponent |
discharge channel
ⓘ
fish salvage facility ⓘ fish screening facility ⓘ intake channel ⓘ pumping units ⓘ |
| inServiceSince | early 1950s ⓘ |
| locatedIn |
California, United States
ⓘ
surface form:
California
Sacramento–San Joaquin River Delta ⓘ
surface form:
Sacramento–San Joaquin Delta region
San Joaquin County ⓘ
surface form:
San Joaquin County, California
|
| locatedNear | City of Tracy, California ⓘ |
| locatedOn | Delta–Mendota Canal intake ⓘ |
| managedBy |
Bureau of Reclamation
ⓘ
surface form:
United States Bureau of Reclamation
|
| nearbyInfrastructure | California Aqueduct ⓘ |
| operator |
Bureau of Reclamation
ⓘ
surface form:
United States Bureau of Reclamation
|
| ownedBy | United States government ⓘ |
| partOf |
Central Valley Project
ⓘ
Central Valley Project ⓘ
surface form:
Delta Division of the Central Valley Project
|
| purpose |
export of Delta water to Central Valley Project contractors
ⓘ
irrigation water delivery ⓘ municipal and industrial water delivery ⓘ water supply ⓘ |
| regulates |
Central Valley Project
ⓘ
surface form:
Central Valley Project Delta exports
|
| relatedTo |
State Water Project
ⓘ
surface form:
State Water Project Banks Pumping Plant
|
| servesRegion |
Central Valley
ⓘ
San Joaquin Valley ⓘ |
| subjectOf |
Central Valley Project operations criteria and plans
ⓘ
fish protection and salvage studies ⓘ |
| supportsUse |
agricultural irrigation
ⓘ
industrial water supply ⓘ municipal water supply ⓘ |
| waterConveyanceRole | lifts Delta water into Delta–Mendota Canal for southward delivery ⓘ |
| waterSourceType | surface water ⓘ |
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: Tracy Pumping Plant Description of subject: Tracy Pumping Plant is a major water pumping facility in California that lifts and conveys water from the Sacramento–San Joaquin Delta into the Central Valley Project’s distribution system.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Tracy Pumping Plant of the Delta Division