California State Water System
E843123
The California State Water System is a vast, integrated network of dams, reservoirs, aqueducts, and pumping facilities that transports and delivers water across much of California for urban, agricultural, and environmental uses.
All labels observed (3)
| Label | Occurrences |
|---|---|
| California State Water System canonical | 1 |
| California water supply system | 1 |
| Sacramento Valley water system | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10151709 — 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: California State Water System Context triple: [Mokelumne River, partOf, California State Water System]
-
A.
California Aqueduct
The California Aqueduct is a major man-made water conveyance system in California that transports water hundreds of miles from the state’s northern regions to its drier central and southern areas.
-
B.
Central Valley Project
The Central Valley Project is a large-scale federal water management system in California that stores and delivers water for agriculture, cities, and environmental uses across the Central Valley.
-
C.
San Francisco Peninsula reservoir system
The San Francisco Peninsula reservoir system is a network of man-made lakes and related infrastructure that stores and supplies drinking water to the San Francisco Bay Area, particularly the city of San Francisco and nearby communities.
-
D.
Imperial Irrigation District
Imperial Irrigation District is a public utility agency in Southern California that manages water distribution and hydroelectric power, primarily serving agricultural and municipal users in the Imperial Valley.
-
E.
Colorado River Aqueduct
The Colorado River Aqueduct is a major water conveyance system that transports Colorado River water across the desert to supply Southern California’s cities and agricultural areas.
- 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: California State Water System Target entity description: The California State Water System is a vast, integrated network of dams, reservoirs, aqueducts, and pumping facilities that transports and delivers water across much of California for urban, agricultural, and environmental uses.
-
A.
California Aqueduct
The California Aqueduct is a major man-made water conveyance system in California that transports water hundreds of miles from the state’s northern regions to its drier central and southern areas.
-
B.
Central Valley Project
The Central Valley Project is a large-scale federal water management system in California that stores and delivers water for agriculture, cities, and environmental uses across the Central Valley.
-
C.
San Francisco Peninsula reservoir system
The San Francisco Peninsula reservoir system is a network of man-made lakes and related infrastructure that stores and supplies drinking water to the San Francisco Bay Area, particularly the city of San Francisco and nearby communities.
-
D.
Imperial Irrigation District
Imperial Irrigation District is a public utility agency in Southern California that manages water distribution and hydroelectric power, primarily serving agricultural and municipal users in the Imperial Valley.
-
E.
Colorado River Aqueduct
The Colorado River Aqueduct is a major water conveyance system that transports Colorado River water across the desert to supply Southern California’s cities and agricultural areas.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
infrastructure network
ⓘ
water supply system ⓘ |
| beneficiary |
agricultural users
ⓘ
environmental habitats ⓘ industrial users ⓘ urban users ⓘ |
| characteristic |
engineered infrastructure
ⓘ
integrated network ⓘ statewide reach ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| environmentalImpact |
fish habitat modification
ⓘ
river flow alteration ⓘ wetland support ⓘ |
| governedBy |
California water law
ⓘ
linked to:
California water policy framework
water rights system ⓘ |
| hasPart |
aqueducts
ⓘ
dams ⓘ pumping plants ⓘ reservoirs ⓘ |
| hasStakeholder |
environmental organizations
ⓘ
farmers ⓘ local water districts ⓘ state agencies ⓘ urban residents ⓘ |
| locatedIn |
California
ⓘ
linked to:
California, United States
|
| managesResource |
stored water
ⓘ
surface water ⓘ |
| operatedBy |
California Department of Water Resources
ⓘ
State of California ⓘ
linked to:
California (state)
|
| purpose |
agricultural water supply
ⓘ
environmental water uses ⓘ flood control ⓘ hydroelectric power generation ⓘ urban water supply ⓘ |
| regulates |
water deliveries
ⓘ
water flows ⓘ |
| servesRegion |
Central Valley
ⓘ
Northern California ⓘ Southern California ⓘ |
| subjectTo |
climate variability
ⓘ
drought conditions ⓘ |
| supports |
ecosystem management
ⓘ
irrigated agriculture ⓘ municipal water systems ⓘ |
| transportMedium | fresh water ⓘ |
| usedFor |
water conveyance
ⓘ
water distribution ⓘ water storage ⓘ |
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: California State Water System Description of subject: The California State Water System is a vast, integrated network of dams, reservoirs, aqueducts, and pumping facilities that transports and delivers water across much of California for urban, agricultural, and environmental uses.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: California State Water System
linked to: California State Water System