South Bay Pumping Plant
E332495
South Bay Pumping Plant is a key water pumping facility in California’s State Water Project that lifts and conveys water through the South Bay Aqueduct to serve urban and industrial users in the San Francisco Bay Area.
All labels observed (1)
| Label | Occurrences |
|---|---|
| South Bay Pumping Plant canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T3135871 — 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: South Bay Pumping Plant Context triple: [South Bay Aqueduct, hasPart, South Bay Pumping Plant]
-
A.
Barker Slough Pumping Plant
Barker Slough Pumping Plant is a key water pumping facility in California that diverts and conveys Sacramento–San Joaquin Delta water into the North Bay Aqueduct for municipal and industrial use.
-
B.
Tracy Pumping Plant
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.
-
C.
Harvey O. Banks Pumping Plant
The Harvey O. Banks Pumping Plant is a major water pumping facility in California that serves as a key intake and distribution hub for the State Water Project.
-
D.
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.
-
E.
South Bay Aqueduct
South Bay Aqueduct is a major California water conveyance facility that transports water from the State Water Project to communities in the southern San Francisco Bay Area.
- 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: South Bay Pumping Plant Target entity description: South Bay Pumping Plant is a key water pumping facility in California’s State Water Project that lifts and conveys water through the South Bay Aqueduct to serve urban and industrial users in the San Francisco Bay Area.
-
A.
Barker Slough Pumping Plant
Barker Slough Pumping Plant is a key water pumping facility in California that diverts and conveys Sacramento–San Joaquin Delta water into the North Bay Aqueduct for municipal and industrial use.
-
B.
Tracy Pumping Plant
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.
-
C.
Harvey O. Banks Pumping Plant
The Harvey O. Banks Pumping Plant is a major water pumping facility in California that serves as a key intake and distribution hub for the State Water Project.
-
D.
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.
-
E.
South Bay Aqueduct
South Bay Aqueduct is a major California water conveyance facility that transports water from the State Water Project to communities in the southern San Francisco Bay Area.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
State Water Project facility
ⓘ
water pumping plant ⓘ |
| connectedTo | South Bay Aqueduct turnout facilities ⓘ |
| conveysWaterThrough | South Bay Aqueduct ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| elevationChangeFunction | lifts water for conveyance ⓘ |
| hasComponent | pumping units ⓘ |
| isKeyFacilityIn |
South Bay Aqueduct
ⓘ
surface form:
South Bay Aqueduct system
|
| locatedIn |
Alameda County
ⓘ
surface form:
Alameda County, California
California, United States ⓘ
surface form:
California
|
| locatedInHydrologicRegion | San Francisco Bay hydrologic region ⓘ |
| operator | California Department of Water Resources ⓘ |
| ownedBy |
California, United States
ⓘ
surface form:
State of California
|
| partOf |
State Water Project
ⓘ
surface form:
California State Water Project
South Bay Aqueduct ⓘ |
| partOfSystem |
State Water Project
ⓘ
surface form:
California water conveyance system
|
| purpose |
industrial water supply
ⓘ
urban water supply ⓘ |
| sector | water infrastructure ⓘ |
| serves |
San Francisco Bay Area
ⓘ
South Bay region of the San Francisco Bay Area ⓘ |
| status | operational ⓘ |
| supportsUse |
industrial water use
ⓘ
municipal water use ⓘ |
| waterSource |
State Water Project
ⓘ
surface form:
California State Water Project
|
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: South Bay Pumping Plant Description of subject: South Bay Pumping Plant is a key water pumping facility in California’s State Water Project that lifts and conveys water through the South Bay Aqueduct to serve urban and industrial users in the San Francisco Bay Area.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.