Croton Falls Dam
E17789
Croton Falls Dam is a masonry gravity dam in Westchester County, New York, that forms the Croton Falls Reservoir as part of New York City’s water supply system.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Croton Falls Dam canonical | 1 |
| Croton Falls Reservoir Dam | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T91460 — 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 Dam Context triple: [Croton River, hasStructureOnWatercourse, Croton Falls Dam]
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A.
Croton Falls Reservoir
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.
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B.
New Croton Dam
New Croton Dam is a large masonry gravity dam in New York that forms the New Croton Reservoir, a key component of New York City’s water supply system.
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C.
Titicus Reservoir
Titicus Reservoir is a man-made lake in Westchester County, New York, that serves as one of the key water supply reservoirs for New York City.
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D.
Middle Branch Reservoir
Middle Branch Reservoir is a man-made lake in New York’s Croton Watershed that serves as part of the New York City water supply system.
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E.
Grand Coulee Dam
Grand Coulee Dam is a massive concrete gravity dam on the Columbia River in Washington State, renowned as one of the largest power-producing facilities in the United States and a landmark of New Deal–era infrastructure.
- 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 Dam Target entity description: Croton Falls Dam is a masonry gravity dam in Westchester County, New York, that forms the Croton Falls Reservoir as part of New York City’s water supply system.
-
A.
Croton Falls Reservoir
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.
-
B.
New Croton Dam
New Croton Dam is a large masonry gravity dam in New York that forms the New Croton Reservoir, a key component of New York City’s water supply system.
-
C.
Titicus Reservoir
Titicus Reservoir is a man-made lake in Westchester County, New York, that serves as one of the key water supply reservoirs for New York City.
-
D.
Middle Branch Reservoir
Middle Branch Reservoir is a man-made lake in New York’s Croton Watershed that serves as part of the New York City water supply system.
-
E.
Grand Coulee Dam
Grand Coulee Dam is a massive concrete gravity dam on the Columbia River in Washington State, renowned as one of the largest power-producing facilities in the United States and a landmark of New Deal–era infrastructure.
- F. None of above. chosen
Statements (30)
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 Dam Description of subject: Croton Falls Dam is a masonry gravity dam in Westchester County, New York, that forms the Croton Falls Reservoir as part of New York City’s water supply system.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Croton Falls Reservoir Dam