Waddell Dam
E690525
Waddell Dam is a major dam in Arizona that impounds the Agua Fria River to form Lake Pleasant, a key water storage and recreation reservoir for the Phoenix metropolitan area.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Waddell Dam canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7708091 — 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: Waddell Dam Context triple: [Lake Pleasant, createdBy, Waddell Dam]
-
A.
Wheeler Dam
Wheeler Dam is a hydroelectric dam on the Tennessee River in northern Alabama that forms Wheeler Lake and helps provide power, navigation, and flood control in the region.
-
B.
Goodwin Dam
Goodwin Dam is a concrete gravity diversion dam on California’s Stanislaus River that helps regulate river flow and supplies irrigation water to surrounding agricultural areas.
-
C.
Wells Dam
Wells Dam is a hydroelectric dam on the Columbia River in Washington State, known for its distinctive hydrocombine design and role in regional power generation and fish passage.
-
D.
Riley Dam
Riley Dam is a hydroelectric dam located on the Androscoggin River in Maine, used for power generation and river flow management.
-
E.
Parker Dam
Parker Dam is a concrete arch-gravity dam on the Colorado River best known for creating Lake Havasu and supplying water and hydroelectric power to parts of California and Arizona.
- 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: Waddell Dam Target entity description: Waddell Dam is a major dam in Arizona that impounds the Agua Fria River to form Lake Pleasant, a key water storage and recreation reservoir for the Phoenix metropolitan area.
-
A.
Wheeler Dam
Wheeler Dam is a hydroelectric dam on the Tennessee River in northern Alabama that forms Wheeler Lake and helps provide power, navigation, and flood control in the region.
-
B.
Goodwin Dam
Goodwin Dam is a concrete gravity diversion dam on California’s Stanislaus River that helps regulate river flow and supplies irrigation water to surrounding agricultural areas.
-
C.
Wells Dam
Wells Dam is a hydroelectric dam on the Columbia River in Washington State, known for its distinctive hydrocombine design and role in regional power generation and fish passage.
-
D.
Riley Dam
Riley Dam is a hydroelectric dam located on the Androscoggin River in Maine, used for power generation and river flow management.
-
E.
Parker Dam
Parker Dam is a concrete arch-gravity dam on the Colorado River best known for creating Lake Havasu and supplying water and hydroelectric power to parts of California and Arizona.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
concrete gravity arch dam
ⓘ
dam ⓘ |
| associatedWith | Central Arizona Project NERFINISHED ⓘ |
| category |
Buildings and structures in Maricopa County, Arizona
ⓘ
Dams in Arizona ⓘ |
| completionDate | 1927 ⓘ |
| constructionStartDate | 1920s ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| createsReservoir | Lake Pleasant NERFINISHED ⓘ |
| crosses | Agua Fria River NERFINISHED ⓘ |
| hasFunction |
regulating flows of the Agua Fria River
ⓘ
storing Colorado River water delivered via canals ⓘ |
| hasHydroelectricPlant | no major hydroelectric generation ⓘ |
| hasSpillway | yes ⓘ |
| height | about 300 feet ⓘ |
| impounds | Agua Fria River NERFINISHED ⓘ |
| isMajorInfrastructureFor | central Arizona water system ⓘ |
| length | about 4,000 feet ⓘ |
| locatedIn |
Arizona
NERFINISHED
ⓘ
Maricopa County, Arizona ⓘ |
| locatedInProtectedArea | Lake Pleasant Regional Park NERFINISHED ⓘ |
| locatedNear | Phoenix, Arizona NERFINISHED ⓘ |
| managingOrganization | Maricopa County Municipal Water Conservation District Number 1 NERFINISHED ⓘ |
| mapFeature | Lake Pleasant NERFINISHED ⓘ |
| material | concrete ⓘ |
| namedAfter | Donald W. Waddell NERFINISHED ⓘ |
| nearCity |
Morristown, Arizona
NERFINISHED
ⓘ
Peoria, Arizona NERFINISHED ⓘ |
| nearRecreationArea | Lake Pleasant Regional Park NERFINISHED ⓘ |
| operator | Maricopa County Municipal Water Conservation District Number 1 NERFINISHED ⓘ |
| owner | Maricopa County Municipal Water Conservation District Number 1 NERFINISHED ⓘ |
| partOf | Central Arizona water storage system NERFINISHED ⓘ |
| purpose |
flood control
ⓘ
irrigation water supply ⓘ municipal water supply ⓘ recreation ⓘ water storage ⓘ |
| reconstructionCompletionDate | 1994 ⓘ |
| regionServed | Phoenix metropolitan area NERFINISHED ⓘ |
| replacedStructure | original Waddell Dam ⓘ |
| reservoirCapacity | about 1.1 million acre-feet ⓘ |
| reservoirName | Lake Pleasant NERFINISHED ⓘ |
| riverBasin | Agua Fria River basin NERFINISHED ⓘ |
| status | operational ⓘ |
| usedForActivity |
boating on Lake Pleasant
ⓘ
fishing on Lake Pleasant ⓘ water sports on Lake Pleasant ⓘ |
| waterSupplierFor |
Maricopa County, Arizona
NERFINISHED
ⓘ
Phoenix metropolitan area 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: Waddell Dam Description of subject: Waddell Dam is a major dam in Arizona that impounds the Agua Fria River to form Lake Pleasant, a key water storage and recreation reservoir for the Phoenix metropolitan area.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.