Tucson Aqueduct
E536292
The Tucson Aqueduct is a major canal system in southern Arizona that delivers Colorado River water to the Tucson area as part of the Central Arizona Project.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Tucson Aqueduct canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5581628 — 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: Tucson Aqueduct Context triple: [Central Arizona Project, hasComponent, Tucson Aqueduct]
-
A.
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.
-
B.
Los Angeles Aqueduct
The Los Angeles Aqueduct is a major early-20th-century water conveyance system that transports water from California’s Owens Valley to the city of Los Angeles, profoundly shaping the region’s growth and sparking enduring environmental and political controversies.
-
C.
North Bay Aqueduct
The North Bay Aqueduct is a key water conveyance facility in California that delivers State Water Project supplies to communities in Solano and Napa counties.
-
D.
Arizona Canal
The Arizona Canal is a major man-made waterway in the Phoenix metropolitan area that delivers irrigation and municipal water while shaping urban development and recreational corridors such as the Scottsdale Waterfront.
-
E.
Friant-Kern Canal
The Friant-Kern Canal is a major irrigation and water conveyance canal in California’s San Joaquin Valley that delivers diverted San Joaquin River water to farms and communities across the southern Central Valley.
- 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: Tucson Aqueduct Target entity description: The Tucson Aqueduct is a major canal system in southern Arizona that delivers Colorado River water to the Tucson area as part of the Central Arizona Project.
-
A.
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.
-
B.
Los Angeles Aqueduct
The Los Angeles Aqueduct is a major early-20th-century water conveyance system that transports water from California’s Owens Valley to the city of Los Angeles, profoundly shaping the region’s growth and sparking enduring environmental and political controversies.
-
C.
North Bay Aqueduct
The North Bay Aqueduct is a key water conveyance facility in California that delivers State Water Project supplies to communities in Solano and Napa counties.
-
D.
Arizona Canal
The Arizona Canal is a major man-made waterway in the Phoenix metropolitan area that delivers irrigation and municipal water while shaping urban development and recreational corridors such as the Scottsdale Waterfront.
-
E.
Friant-Kern Canal
The Friant-Kern Canal is a major irrigation and water conveyance canal in California’s San Joaquin Valley that delivers diverted San Joaquin River water to farms and communities across the southern Central Valley.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
aqueduct
ⓘ
canal ⓘ |
| basinCountry |
United States of America
ⓘ
surface form:
United States
|
| connectsTo | Central Arizona Project main canal ⓘ |
| constructionStart | 1970s ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| endPoint | Tucson area ⓘ |
| inception | late 20th century ⓘ |
| locatedIn |
Arizona
NERFINISHED
ⓘ
Pima County, Arizona NERFINISHED ⓘ Pinal County, Arizona NERFINISHED ⓘ southern Arizona NERFINISHED ⓘ |
| locatedInTimeZone | Mountain Standard Time NERFINISHED ⓘ |
| maintainedBy | Central Arizona Water Conservation District NERFINISHED ⓘ |
| managingOrganization | Central Arizona Project NERFINISHED ⓘ |
| operator | Central Arizona Water Conservation District NERFINISHED ⓘ |
| ownedBy | United States Bureau of Reclamation NERFINISHED ⓘ |
| partOf |
Central Arizona Project
NERFINISHED
ⓘ
Central Arizona Project aqueduct system ⓘ Colorado River water delivery infrastructure ⓘ |
| purpose |
deliver Colorado River water to Tucson area
ⓘ
reduce dependence on local groundwater ⓘ |
| regionServed | south-central Arizona ⓘ |
| serves |
Tucson metropolitan area
NERFINISHED
ⓘ
Tucson, Arizona NERFINISHED ⓘ |
| startPoint | near Picacho, Arizona ⓘ |
| use |
agricultural irrigation
ⓘ
industrial water supply ⓘ municipal water supply ⓘ |
| waterSource | Colorado River NERFINISHED ⓘ |
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: Tucson Aqueduct Description of subject: The Tucson Aqueduct is a major canal system in southern Arizona that delivers Colorado River water to the Tucson area as part of the Central Arizona Project.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.