Cordelia Forebay
E350006
Cordelia Forebay is a water storage and regulating basin in Solano County, California, that serves as a key operational facility within the State Water Project’s North Bay Aqueduct system.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Cordelia Forebay canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3124575 — 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: Cordelia Forebay Context triple: [North Bay Aqueduct, hasComponent, Cordelia Forebay]
-
A.
O’Neill Forebay
O’Neill Forebay is a regulating reservoir in California’s San Joaquin Valley that helps manage water storage and delivery for the larger San Luis Reservoir system.
-
B.
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.
-
C.
McClure Dam
McClure Dam is a hydroelectric dam on the Dead River in Michigan, forming McClure Basin and providing power and water management for the surrounding region.
-
D.
Narrows Dam
Narrows Dam is a hydroelectric dam located on the Yadkin River in North Carolina, forming part of a major reservoir and power-generating system in the region.
-
E.
Scrivener Dam
Scrivener Dam is a concrete gravity dam in Canberra, Australia, built across the Molonglo River to create Lake Burley Griffin as the city’s central ornamental lake.
- 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: Cordelia Forebay Target entity description: Cordelia Forebay is a water storage and regulating basin in Solano County, California, that serves as a key operational facility within the State Water Project’s North Bay Aqueduct system.
-
A.
O’Neill Forebay
O’Neill Forebay is a regulating reservoir in California’s San Joaquin Valley that helps manage water storage and delivery for the larger San Luis Reservoir system.
-
B.
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.
-
C.
McClure Dam
McClure Dam is a hydroelectric dam on the Dead River in Michigan, forming McClure Basin and providing power and water management for the surrounding region.
-
D.
Narrows Dam
Narrows Dam is a hydroelectric dam located on the Yadkin River in North Carolina, forming part of a major reservoir and power-generating system in the region.
-
E.
Scrivener Dam
Scrivener Dam is a concrete gravity dam in Canberra, Australia, built across the Molonglo River to create Lake Burley Griffin as the city’s central ornamental lake.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
infrastructure facility
ⓘ
regulating reservoir ⓘ water storage basin ⓘ |
| associatedWith |
California State Water Resources Control Board
ⓘ
surface form:
California State Water Resources Control Board (regulatory oversight)
|
| basinType | forebay ⓘ |
| basinUse | potable water conveyance support ⓘ |
| connectedTo |
North Bay Aqueduct
ⓘ
surface form:
North Bay Aqueduct pipelines
|
| country |
United States of America
ⓘ
surface form:
United States
|
| engineeringPurpose | provide storage volume for operational control of aqueduct flows ⓘ |
| environmentalContext | located in developed and semi-rural area of Solano County ⓘ |
| functionInSystem |
provides short-term storage for operational flexibility
ⓘ
stabilizes delivery rates to downstream users ⓘ |
| hasInfrastructure |
control gates
ⓘ
inlet structures ⓘ outlet structures ⓘ pumping-related facilities ⓘ |
| infrastructureRole | key operational facility in North Bay Aqueduct ⓘ |
| isArtificial | true ⓘ |
| locatedIn |
California, United States
ⓘ
surface form:
California
North Bay (San Francisco Bay Area) ⓘ
surface form:
North Bay region of San Francisco Bay Area
Solano County ⓘ
surface form:
Solano County, California
|
| managingAgency | California Department of Water Resources ⓘ |
| nearbyCity | Fairfield, California ⓘ |
| nearbyCommunity | Cordelia, California ⓘ |
| partOf |
North Bay Aqueduct
ⓘ
State Water Project ⓘ |
| primaryFunction |
flow regulation
ⓘ
operational balancing reservoir ⓘ water storage ⓘ |
| regulates | flows in North Bay Aqueduct ⓘ |
| regulatoryJurisdiction |
Solano County Water Agency
ⓘ
surface form:
Solano County water authorities
California, United States ⓘ
surface form:
State of California
|
| riskConsideration | subject to dam safety and reservoir operation regulations ⓘ |
| servesSystem |
North Bay Aqueduct
ⓘ
surface form:
North Bay Aqueduct system
|
| supportsRegion |
Napa County
ⓘ
North Bay ⓘ
surface form:
North Bay communities
Solano County ⓘ Sonoma County, California ⓘ
surface form:
Sonoma County
|
| supportsUse |
industrial water supply
ⓘ
municipal water supply ⓘ |
| usedFor | operational regulation of State Water Project deliveries ⓘ |
| waterManagementRole |
buffers short-term fluctuations in aqueduct flow
ⓘ
helps match supply with varying demand in North Bay Aqueduct ⓘ |
| waterProjectComponentType | aqueduct forebay ⓘ |
| waterSource | State Water Project deliveries ⓘ |
| waterType | freshwater ⓘ |
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: Cordelia Forebay Description of subject: Cordelia Forebay is a water storage and regulating basin in Solano County, California, that serves as a key operational facility within the State Water Project’s North Bay Aqueduct system.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.