San Juan water supply system
E883498
The San Juan water supply system is the integrated network of reservoirs, treatment facilities, and distribution infrastructure that provides potable water to the San Juan metropolitan area in Puerto Rico.
All labels observed (1)
| Label | Occurrences |
|---|---|
| San Juan water supply system canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10733330 — 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: San Juan water supply system Context triple: [Carraízo Reservoir, partOf, San Juan water supply system]
-
A.
Angat–Ipo–La Mesa water system
The Angat–Ipo–La Mesa water system is a major integrated water supply network in the Philippines that sources, stores, and conveys water from the Angat and Ipo dams to the La Mesa watershed and treatment facilities serving Metro Manila.
-
B.
Bogotá water supply system
The Bogotá water supply system is the integrated network of reservoirs, treatment plants, and distribution infrastructure that provides potable water to Colombia’s capital and its metropolitan area.
-
C.
Nash Aguas
Nash Aguas is a Filipino actor and former child star best known for his work in Philippine television and film.
-
D.
Metropolitan Water Works system
The Metropolitan Water Works system is a historic public water supply network that provided drinking water to the Boston metropolitan area through an extensive system of reservoirs, aqueducts, and related infrastructure.
-
E.
San Juan Reservoir
San Juan Reservoir is a major artificial lake in central Spain, popular for water sports, recreation, and supplying water and hydroelectric power to the surrounding region.
- 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: San Juan water supply system Target entity description: The San Juan water supply system is the integrated network of reservoirs, treatment facilities, and distribution infrastructure that provides potable water to the San Juan metropolitan area in Puerto Rico.
-
A.
Angat–Ipo–La Mesa water system
The Angat–Ipo–La Mesa water system is a major integrated water supply network in the Philippines that sources, stores, and conveys water from the Angat and Ipo dams to the La Mesa watershed and treatment facilities serving Metro Manila.
-
B.
Bogotá water supply system
The Bogotá water supply system is the integrated network of reservoirs, treatment plants, and distribution infrastructure that provides potable water to Colombia’s capital and its metropolitan area.
-
C.
Nash Aguas
Nash Aguas is a Filipino actor and former child star best known for his work in Philippine television and film.
-
D.
Metropolitan Water Works system
The Metropolitan Water Works system is a historic public water supply network that provided drinking water to the Boston metropolitan area through an extensive system of reservoirs, aqueducts, and related infrastructure.
-
E.
San Juan Reservoir
San Juan Reservoir is a major artificial lake in central Spain, popular for water sports, recreation, and supplying water and hydroelectric power to the surrounding region.
- F. None of above. chosen
Statements (31)
| Predicate | Object |
|---|---|
| instanceOf |
infrastructure network
ⓘ
water supply system ⓘ |
| country | Puerto Rico ⓘ |
| hasComponent |
distribution network
ⓘ
pressure control facilities ⓘ raw water intakes ⓘ water quality monitoring facilities ⓘ water transmission mains ⓘ |
| hasPart |
distribution pipelines
ⓘ
pumping stations ⓘ reservoirs ⓘ storage tanks ⓘ water treatment plants ⓘ |
| infrastructureType | urban water infrastructure ⓘ |
| locatedIn |
San Juan metropolitan area
ⓘ
linked to:
San Juan–Caguas–Guaynabo metropolitan area
northeastern Puerto Rico ⓘ |
| managedBy |
Puerto Rico Aqueduct and Sewer Authority
ⓘ
linked to:
Puerto Rico Aqueducts and Sewers Authority
|
| provides | potable water ⓘ |
| purpose |
drinking water supply
ⓘ
public health protection ⓘ |
| regionServed |
Bayamón
ⓘ
Carolina ⓘ Cataño ⓘ
linked to:
Cataño, Puerto Rico
Guaynabo ⓘ
linked to:
Guaynabo, Puerto Rico
San Juan ⓘ |
| sector | water and sanitation ⓘ |
| serves |
San Juan metropolitan area
ⓘ
linked to:
San Juan–Caguas–Guaynabo metropolitan area
|
| servesPopulation | urban population of San Juan metropolitan area ⓘ |
| serviceType | municipal water supply ⓘ |
| waterSourceType |
reservoirs
ⓘ
surface water ⓘ |
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: San Juan water supply system Description of subject: The San Juan water supply system is the integrated network of reservoirs, treatment facilities, and distribution infrastructure that provides potable water to the San Juan metropolitan area in Puerto Rico.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Carraízo reservoir