Croton Falls Reservoir
E14328
Croton Falls Reservoir is a man-made lake in Westchester County, New York, that serves as part of New York City's Croton water supply system.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Croton Falls Reservoir canonical | 16 |
| Croton Falls Reservoir (part) | 1 |
| Croton Falls Reservoir system | 1 |
| Croton Lake (part) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T91442 — 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: Croton Falls Reservoir Context triple: [Croton River, hasPart, Croton Falls Reservoir]
-
A.
Jamaica Pond
Jamaica Pond is a large freshwater kettle pond and popular recreational area in Boston, known for boating, walking paths, and scenic views within the city’s park system.
-
B.
Hollywood Reservoir
Hollywood Reservoir is a man-made lake in the Hollywood Hills of Los Angeles, known for its scenic walking paths and iconic views of the Hollywood Sign.
-
C.
Silver Lake
Silver Lake is a trendy, historically bohemian neighborhood in central Los Angeles known for its reservoir, hillside homes, and vibrant arts, dining, and nightlife scenes.
-
D.
Halcyon Lake
Halcyon Lake is a tranquil ornamental pond within Mount Auburn Cemetery in Cambridge, Massachusetts, known for its scenic, reflective waters and surrounding historic landscape.
-
E.
Lower Falls, Newton
Lower Falls is a historic village and residential neighborhood in the northwestern part of Newton, Massachusetts, situated along the Charles River.
- 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: Croton Falls Reservoir Target entity description: Croton Falls Reservoir is a man-made lake in Westchester County, New York, that serves as part of New York City's Croton water supply system.
-
A.
Jamaica Pond
Jamaica Pond is a large freshwater kettle pond and popular recreational area in Boston, known for boating, walking paths, and scenic views within the city’s park system.
-
B.
Hollywood Reservoir
Hollywood Reservoir is a man-made lake in the Hollywood Hills of Los Angeles, known for its scenic walking paths and iconic views of the Hollywood Sign.
-
C.
Silver Lake
Silver Lake is a trendy, historically bohemian neighborhood in central Los Angeles known for its reservoir, hillside homes, and vibrant arts, dining, and nightlife scenes.
-
D.
Halcyon Lake
Halcyon Lake is a tranquil ornamental pond within Mount Auburn Cemetery in Cambridge, Massachusetts, known for its scenic, reflective waters and surrounding historic landscape.
-
E.
Lower Falls, Newton
Lower Falls is a historic village and residential neighborhood in the northwestern part of Newton, Massachusetts, situated along the Charles River.
- F. None of above. chosen
Statements (35)
| Predicate | Object |
|---|---|
| instanceOf |
man-made lake
ⓘ
reservoir ⓘ |
| access | restricted ⓘ |
| basinCountry |
United States
ⓘ
linked to:
United States of America
|
| cityServed | New York City ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| createdBy | impoundment of the Croton River ⓘ |
| function |
regulation of river flow
ⓘ
storage of potable water ⓘ |
| inflow | Croton River ⓘ |
| locatedIn |
Hudson River watershed
ⓘ
New York State ⓘ
linked to:
New York
Town of North Salem, New York ⓘ Town of Somers, New York ⓘ
linked to:
Town of Somers
Westchester County watershed system ⓘ Westchester County, New York ⓘ southeastern New York ⓘ |
| locatedNear | Croton Falls, New York ⓘ |
| managedBy | New York City Department of Environmental Protection ⓘ |
| nearbyCity |
North Salem, New York
ⓘ
linked to:
Town of North Salem, New York
Somers, New York ⓘ |
| outflow | Croton River ⓘ |
| owner |
City of New York
ⓘ
linked to:
New York City
|
| partOf |
Croton Watershed
ⓘ
Croton water supply system ⓘ New York City Croton water supply network ⓘ
linked to:
Croton water supply system
New York City water supply system ⓘ |
| partOfSystem |
Croton water supply system of New York City
ⓘ
linked to:
Croton water supply system
|
| regionServed | downstate New York ⓘ |
| use |
drinking water source
ⓘ
flood control ⓘ municipal water supply ⓘ recreation (limited and regulated) ⓘ |
| watercourse | Croton River ⓘ |
| waterType | freshwater ⓘ |
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: Croton Falls Reservoir Description of subject: Croton Falls Reservoir is a man-made lake in Westchester County, New York, that serves as part of New York City's Croton water supply system.
Referenced by (19)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Croton Falls Reservoir
linked to: Croton Falls Reservoir
linked to: Croton Falls Reservoir