Puerto Rico Aqueducts and Sewers Authority
E27808
The Puerto Rico Aqueducts and Sewers Authority is the public corporation responsible for providing and managing drinking water and wastewater services across Puerto Rico.
All labels observed (4)
How this entity was disambiguated
This entity first appeared as the object of triple T204824 — 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: Puerto Rico Aqueducts and Sewers Authority Context triple: [Government of Puerto Rico, hasAgency, Puerto Rico Aqueducts and Sewers Authority]
-
A.
Puerto Rico Electric Power Authority
The Puerto Rico Electric Power Authority is the public corporation responsible for generating, transmitting, and distributing electricity across Puerto Rico.
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B.
New York City Department of Environmental Protection
The New York City Department of Environmental Protection is the municipal agency responsible for managing the city’s water supply, wastewater treatment, and environmental regulation to protect public health and natural resources.
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C.
Massachusetts Water Resources Authority
The Massachusetts Water Resources Authority is a public agency responsible for providing wholesale water and sewer services, including drinking water supply and wastewater treatment, to communities in the Greater Boston area.
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D.
Council of Secretaries of Puerto Rico
The Council of Secretaries of Puerto Rico is the collective body of executive department heads that assists the Governor in administering and overseeing the territory’s public policies and government operations.
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E.
Puerto Rico Department of Health
The Puerto Rico Department of Health is the territorial government agency responsible for overseeing public health policy, healthcare services, and disease prevention across Puerto Rico.
- 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: Puerto Rico Aqueducts and Sewers Authority Target entity description: The Puerto Rico Aqueducts and Sewers Authority is the public corporation responsible for providing and managing drinking water and wastewater services across Puerto Rico.
-
A.
Puerto Rico Electric Power Authority
The Puerto Rico Electric Power Authority is the public corporation responsible for generating, transmitting, and distributing electricity across Puerto Rico.
-
B.
New York City Department of Environmental Protection
The New York City Department of Environmental Protection is the municipal agency responsible for managing the city’s water supply, wastewater treatment, and environmental regulation to protect public health and natural resources.
-
C.
Massachusetts Water Resources Authority
The Massachusetts Water Resources Authority is a public agency responsible for providing wholesale water and sewer services, including drinking water supply and wastewater treatment, to communities in the Greater Boston area.
-
D.
Council of Secretaries of Puerto Rico
The Council of Secretaries of Puerto Rico is the collective body of executive department heads that assists the Governor in administering and overseeing the territory’s public policies and government operations.
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E.
Puerto Rico Department of Health
The Puerto Rico Department of Health is the territorial government agency responsible for overseeing public health policy, healthcare services, and disease prevention across Puerto Rico.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
public corporation
ⓘ
wastewater utility ⓘ water utility ⓘ |
| abbreviation | PRASA ⓘ |
| aimsTo |
ensure safe drinking water quality
ⓘ
protect water resources and the environment ⓘ |
| country | Puerto Rico ⓘ |
| hasCustomerType |
businesses in Puerto Rico
ⓘ
households in Puerto Rico ⓘ public institutions in Puerto Rico ⓘ |
| hasInfrastructureType |
sewer networks
ⓘ
wastewater treatment plants ⓘ water distribution networks ⓘ water treatment plants ⓘ |
| hasLegalAuthorityFrom | laws of the Commonwealth of Puerto Rico ⓘ |
| hasPublicRole | essential service provider ⓘ |
| headquartersLocation |
San Juan
ⓘ
surface form:
San Juan, Puerto Rico
|
| industry |
drinking water supply
ⓘ
sanitation ⓘ wastewater management ⓘ |
| isSubjectTo |
Puerto Rico environmental regulations
ⓘ
United States environmental regulations ⓘ |
| jurisdiction | Puerto Rico ⓘ |
| languageOfWorkOrName |
English
ⓘ
Spanish ⓘ |
| legalForm | public corporation of Puerto Rico ⓘ |
| locatedIn |
Caribbean Sea
ⓘ
surface form:
Caribbean Sea region
|
| locatedInTimeZone |
Atlantic Time Zone
ⓘ
surface form:
Atlantic Standard Time
|
| nativeName |
Puerto Rico Aqueducts and Sewers Authority
self-linksurface differs
ⓘ
surface form:
Autoridad de Acueductos y Alcantarillados de Puerto Rico
|
| nativeNameLanguage | Spanish ⓘ |
| operatesInSector |
environmental protection
ⓘ
public health ⓘ |
| owner | Government of Puerto Rico ⓘ |
| parentOrganization | Government of Puerto Rico ⓘ |
| primaryResponsibility |
operation of aqueduct systems
ⓘ
operation of sewer systems ⓘ providing drinking water services ⓘ providing wastewater services ⓘ |
| publicService |
collection and treatment of municipal wastewater
ⓘ
continuous potable water supply to residents ⓘ |
| regionServed | Caribbean ⓘ |
| regulates |
sewer and wastewater collection infrastructure in Puerto Rico
ⓘ
water distribution infrastructure in Puerto Rico ⓘ |
| sector | public utilities ⓘ |
| serviceArea |
Puerto Rican islands and municipalities
ⓘ
Puerto Rico ⓘ |
| serviceType |
potable water supply
ⓘ
wastewater collection ⓘ wastewater treatment ⓘ |
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: Puerto Rico Aqueducts and Sewers Authority Description of subject: The Puerto Rico Aqueducts and Sewers Authority is the public corporation responsible for providing and managing drinking water and wastewater services across Puerto Rico.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
Puerto Rico Aqueducts and Sewers Authority
→
nativeName
→
Puerto Rico Aqueducts and Sewers Authority
self-linksurface differs
ⓘ
this entity surface form:
Autoridad de Acueductos y Alcantarillados de Puerto Rico
this entity surface form:
Puerto Rico Aqueduct and Sewer Authority
this entity surface form:
Puerto Rico Aqueduct and Sewer Authority (PRASA)
this entity surface form:
Autoridad de Acueductos y Alcantarillados de Puerto Rico
subject surface form:
Carraízo Reservoir
this entity surface form:
Puerto Rico Aqueduct and Sewer Authority
subject surface form:
Carraízo Reservoir
this entity surface form:
Puerto Rico Aqueduct and Sewer Authority