Bureau of Water Supply
E870215
The Bureau of Water Supply is a division of New York City’s Department of Environmental Protection responsible for operating and protecting the city’s upstate reservoir and aqueduct system that delivers drinking water to millions of residents.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Bureau of Water Supply canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10550126 — 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: Bureau of Water Supply Context triple: [Schoharie–Esopus water diversion system, managingAgency, Bureau of Water Supply]
-
A.
Department of Drinking Water and Sanitation
The Department of Drinking Water and Sanitation is an Indian government department responsible for policy, planning, and implementation of programs to provide safe drinking water and improve sanitation, particularly in rural areas.
-
B.
Office of Water
The Office of Water is a division within the Texas Commission on Environmental Quality responsible for overseeing the management, regulation, and protection of the state's water resources.
-
C.
Fairfax Water
Fairfax Water is a major public water utility in Northern Virginia that supplies drinking water to residents and businesses in Fairfax County and surrounding areas.
-
D.
Albany Department of Water and Water Supply
The Albany Department of Water and Water Supply is the municipal agency responsible for managing the drinking water, distribution system, and related infrastructure for the City of Albany, New York.
-
E.
Office of Water Resources
The Office of Water Resources is a division of Illinois state government responsible for managing and regulating the state’s water resources, including flood control, water supply, and waterway planning.
- 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: Bureau of Water Supply Target entity description: The Bureau of Water Supply is a division of New York City’s Department of Environmental Protection responsible for operating and protecting the city’s upstate reservoir and aqueduct system that delivers drinking water to millions of residents.
-
A.
Department of Drinking Water and Sanitation
The Department of Drinking Water and Sanitation is an Indian government department responsible for policy, planning, and implementation of programs to provide safe drinking water and improve sanitation, particularly in rural areas.
-
B.
Office of Water
The Office of Water is a division within the Texas Commission on Environmental Quality responsible for overseeing the management, regulation, and protection of the state's water resources.
-
C.
Fairfax Water
Fairfax Water is a major public water utility in Northern Virginia that supplies drinking water to residents and businesses in Fairfax County and surrounding areas.
-
D.
Albany Department of Water and Water Supply
The Albany Department of Water and Water Supply is the municipal agency responsible for managing the drinking water, distribution system, and related infrastructure for the City of Albany, New York.
-
E.
Office of Water Resources
The Office of Water Resources is a division of Illinois state government responsible for managing and regulating the state’s water resources, including flood control, water supply, and waterway planning.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
government agency division
ⓘ
water utility operator ⓘ |
| collaboratesWith |
New York State Department of Environmental Conservation
ⓘ
U.S. Environmental Protection Agency ⓘ upstate municipalities in the watershed ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| employer |
hydrologists
ⓘ
operations and maintenance staff ⓘ water quality scientists ⓘ water supply engineers ⓘ |
| focusesOn |
drinking water reliability
ⓘ
drinking water safety ⓘ long-term watershed sustainability ⓘ |
| governsResource |
aqueduct tunnels and conduits
ⓘ
surface water reservoirs ⓘ |
| hasParentAgency |
City of New York
ⓘ
linked to:
New York City
|
| headquartersLocation | New York City ⓘ |
| implements |
source water protection measures
ⓘ
watershed protection programs ⓘ |
| jurisdiction |
City of New York
ⓘ
linked to:
New York City
|
| locatedIn | New York City ⓘ |
| mission |
to protect and manage the watersheds that supply New York City’s drinking water
ⓘ
to provide reliable, high-quality drinking water to New York City ⓘ |
| monitors |
aqueduct water quality
ⓘ
reservoir water quality ⓘ watershed environmental conditions ⓘ |
| operates | New York City water supply system ⓘ |
| oversees |
New York City aqueduct tunnels
ⓘ
linked to:
New York City water tunnels
New York City upstate reservoir system ⓘ |
| parentOrganization | New York City Department of Environmental Protection ⓘ |
| partOf | New York City Department of Environmental Protection ⓘ |
| regulates | activities on watershed lands affecting water quality ⓘ |
| responsibleFor |
maintenance of water supply infrastructure
ⓘ
management of New York City’s upstate watershed lands ⓘ operation of aqueduct system ⓘ operation of upstate reservoirs ⓘ protection of New York City drinking water supply ⓘ water quality monitoring for New York City’s drinking water ⓘ |
| sector |
drinking water
ⓘ
environmental protection ⓘ |
| serviceArea |
five boroughs of New York City
ⓘ
parts of upstate New York communities connected to the system ⓘ |
| suppliesWaterTo |
New York City residents
ⓘ
millions of people in New York City metropolitan area ⓘ |
| usesResource |
Catskill water supply system
ⓘ
linked to:
Catskill–Delaware water supply system
Croton water supply system ⓘ Delaware water supply system ⓘ
linked to:
Catskill–Delaware water supply system
|
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: Bureau of Water Supply Description of subject: The Bureau of Water Supply is a division of New York City’s Department of Environmental Protection responsible for operating and protecting the city’s upstate reservoir and aqueduct system that delivers drinking water to millions of residents.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.