Embalse Carraízo
E887159
Embalse Carraízo is a major reservoir in Puerto Rico that serves as a key source of drinking water and flood control for the San Juan metropolitan area.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Embalse Carraízo canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10733347 — 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: Embalse Carraízo Context triple: [Carraízo Reservoir, hasLocalName, Embalse Carraízo]
-
A.
Embalse de Arcos
Embalse de Arcos is an artificial reservoir in southern Spain used primarily for water storage, irrigation, and recreational activities.
-
B.
Embalse Río Tercero
Embalse Río Tercero is a large artificial reservoir and popular recreational lake in Argentina’s Córdoba Province, known for fishing, water sports, and surrounding tourist infrastructure.
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C.
Arroyito Dam
Arroyito Dam is a hydroelectric and flood-control dam located on Argentina’s Limay River in the Patagonia region.
-
D.
Angostura Reservoir
Angostura Reservoir is a man-made lake in South Dakota used primarily for irrigation, recreation, and wildlife habitat.
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E.
Embalse de El Pardo
Embalse de El Pardo is a reservoir on the Manzanares River near Madrid, Spain, primarily used for water supply, flood control, and recreational activities within the El Pardo natural 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: Embalse Carraízo Target entity description: Embalse Carraízo is a major reservoir in Puerto Rico that serves as a key source of drinking water and flood control for the San Juan metropolitan area.
-
A.
Embalse de Arcos
Embalse de Arcos is an artificial reservoir in southern Spain used primarily for water storage, irrigation, and recreational activities.
-
B.
Embalse Río Tercero
Embalse Río Tercero is a large artificial reservoir and popular recreational lake in Argentina’s Córdoba Province, known for fishing, water sports, and surrounding tourist infrastructure.
-
C.
Arroyito Dam
Arroyito Dam is a hydroelectric and flood-control dam located on Argentina’s Limay River in the Patagonia region.
-
D.
Angostura Reservoir
Angostura Reservoir is a man-made lake in South Dakota used primarily for irrigation, recreation, and wildlife habitat.
-
E.
Embalse de El Pardo
Embalse de El Pardo is a reservoir on the Manzanares River near Madrid, Spain, primarily used for water supply, flood control, and recreational activities within the El Pardo natural area.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf | reservoir ⓘ |
| basinCountry | Puerto Rico NERFINISHED ⓘ |
| country | Puerto Rico ⓘ |
| createdBy | Carraízo Dam NERFINISHED ⓘ |
| function |
reduction of flood risk downstream
ⓘ
regulation of Río Grande de Loíza flow ⓘ |
| hasAlternativeName | Carraízo Reservoir NERFINISHED ⓘ |
| hasCatchmentArea | Río Grande de Loíza watershed ⓘ |
| hasDamType | concrete gravity dam ⓘ |
| hasIssue |
reduced storage capacity due to sedimentation
ⓘ
sedimentation ⓘ water quality concerns during droughts ⓘ |
| hasMouthElevation | approximately 39 meters ⓘ |
| hasPrimaryInflow | Río Grande de Loíza NERFINISHED ⓘ |
| hasPrimaryOutflow | Río Grande de Loíza NERFINISHED ⓘ |
| importance | one of the most important reservoirs in Puerto Rico ⓘ |
| isMajorSourceOf | potable water for San Juan metropolitan area ⓘ |
| isMonitoredBy | Puerto Rico Department of Natural and Environmental Resources NERFINISHED ⓘ |
| isPartOf | Puerto Rico public water supply system ⓘ |
| isUpstreamOf | communities along lower Río Grande de Loíza ⓘ |
| locatedIn |
barrio Carraízo, Trujillo Alto
ⓘ
municipality of Trujillo Alto NERFINISHED ⓘ |
| locatedNear |
Carolina, Puerto Rico
NERFINISHED
ⓘ
Gurabo, Puerto Rico NERFINISHED ⓘ San Juan NERFINISHED ⓘ |
| locatedOnRiver | Río Grande de Loíza NERFINISHED ⓘ |
| namedAfter | barrio Carraízo NERFINISHED ⓘ |
| operator |
Autoridad de Acueductos y Alcantarillados de Puerto Rico
NERFINISHED
ⓘ
Puerto Rico Aqueduct and Sewer Authority NERFINISHED ⓘ |
| partOf | water supply system of San Juan ⓘ |
| region | northeastern Puerto Rico ⓘ |
| role | critical infrastructure for San Juan’s water security ⓘ |
| serves | San Juan metropolitan area NERFINISHED ⓘ |
| subjectOf |
dredging and desedimentation plans
ⓘ
flood control projects ⓘ |
| suppliesWaterTo |
Carolina
NERFINISHED
ⓘ
Gurabo NERFINISHED ⓘ San Juan NERFINISHED ⓘ Trujillo Alto NERFINISHED ⓘ |
| use |
drinking water supply
ⓘ
flood control ⓘ hydroelectric power generation ⓘ |
| usedFor | recreation (limited and regulated) ⓘ |
| waterBodyType | freshwater reservoir ⓘ |
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: Embalse Carraízo Description of subject: Embalse Carraízo is a major reservoir in Puerto Rico that serves as a key source of drinking water and flood control for the San Juan metropolitan area.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Carraízo Reservoir