Delta export pumps
E298251
Delta export pumps are large water pumping facilities in California’s Sacramento–San Joaquin Delta that move water into major conveyance systems such as the Delta-Mendota Canal for agricultural, urban, and environmental uses.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Delta export pumps canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2773403 — 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: Delta export pumps Context triple: [Delta-Mendota Canal, waterSource, Delta export pumps]
-
A.
Worthington Pump Works
Worthington Pump Works was an industrial manufacturing company founded by engineer Henry Rossiter Worthington, best known for producing innovative steam and hydraulic pumps used in waterworks and other heavy-duty applications.
-
B.
Worthington direct-acting steam pump
The Worthington direct-acting steam pump is a pioneering 19th-century steam-powered pumping machine that became widely used for municipal water supply, industry, and marine applications due to its reliability and efficiency.
-
C.
Voith
Voith is a German multinational engineering company known for its technologies and services in sectors such as energy, paper, raw materials, and transportation.
-
D.
Cruquius Pumping Station
Cruquius Pumping Station is a historic 19th-century Dutch steam-powered pumping station, now a museum, renowned for its role in draining the Haarlemmermeer lake and showcasing monumental industrial engineering.
-
E.
Bentley Blower
The Bentley Blower is a famous late-1920s British racing car, distinguished by its supercharged engine and prominent role in pre-war motorsport and Bentley’s racing heritage.
- 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: Delta export pumps Target entity description: Delta export pumps are large water pumping facilities in California’s Sacramento–San Joaquin Delta that move water into major conveyance systems such as the Delta-Mendota Canal for agricultural, urban, and environmental uses.
-
A.
Worthington Pump Works
Worthington Pump Works was an industrial manufacturing company founded by engineer Henry Rossiter Worthington, best known for producing innovative steam and hydraulic pumps used in waterworks and other heavy-duty applications.
-
B.
Worthington direct-acting steam pump
The Worthington direct-acting steam pump is a pioneering 19th-century steam-powered pumping machine that became widely used for municipal water supply, industry, and marine applications due to its reliability and efficiency.
-
C.
Voith
Voith is a German multinational engineering company known for its technologies and services in sectors such as energy, paper, raw materials, and transportation.
-
D.
Cruquius Pumping Station
Cruquius Pumping Station is a historic 19th-century Dutch steam-powered pumping station, now a museum, renowned for its role in draining the Haarlemmermeer lake and showcasing monumental industrial engineering.
-
E.
Bentley Blower
The Bentley Blower is a famous late-1920s British racing car, distinguished by its supercharged engine and prominent role in pre-war motorsport and Bentley’s racing heritage.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
water infrastructure
ⓘ
water pumping facility ⓘ |
| affects |
Delta fish populations
ⓘ
Delta outflow ⓘ Delta salinity ⓘ |
| associatedWith |
Central Valley Project
ⓘ
State Water Project ⓘ |
| connectedTo |
California Aqueduct
ⓘ
Delta-Mendota Canal ⓘ |
| controversy |
Delta ecosystem impacts
ⓘ
water allocation conflicts between regions ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| drawsFrom |
Sacramento–San Joaquin River Delta
ⓘ
surface form:
Sacramento–San Joaquin Delta
|
| energyUse | high electricity consumption ⓘ |
| environmentalIssue |
fish entrainment
ⓘ
habitat alteration ⓘ |
| hasComponent |
fish screens
ⓘ
intake channels ⓘ large pumping plants ⓘ |
| infrastructureType | large-scale water diversion facility ⓘ |
| locatedIn |
California, United States
ⓘ
surface form:
California
Sacramento–San Joaquin River Delta ⓘ
surface form:
Sacramento–San Joaquin Delta
|
| locatedNear |
Byron, California
ⓘ
Tracy, California ⓘ |
| monitoredBy | state and federal water agencies ⓘ |
| operatedBy |
California, United States
ⓘ
surface form:
State of California
United States government ⓘ
surface form:
federal government of the United States
|
| partOf | California water system ⓘ |
| purpose |
move water into major conveyance systems
ⓘ
supply drinking water to urban areas in California ⓘ support agriculture in the San Joaquin Valley ⓘ |
| regulatedBy | California State Water Resources Control Board ⓘ |
| relatedTo |
Bay-Delta water quality standards
ⓘ
Delta smelt protection measures ⓘ salmon migration management ⓘ |
| scale | major component of California’s inter-basin water transfers ⓘ |
| subjectTo |
U.S. Endangered Species Act
ⓘ
surface form:
Endangered Species Act biological opinions
pumping restrictions during sensitive fish migration periods ⓘ |
| transfersWaterTo |
Bay Area urban users
ⓘ
San Joaquin Valley ⓘ Southern California ⓘ |
| use |
agricultural water supply
ⓘ
environmental water deliveries ⓘ urban water supply ⓘ water export ⓘ |
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: Delta export pumps Description of subject: Delta export pumps are large water pumping facilities in California’s Sacramento–San Joaquin Delta that move water into major conveyance systems such as the Delta-Mendota Canal for agricultural, urban, and environmental uses.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.