Bog Brook Reservoir
E16423
Bog Brook Reservoir is a small New York City water supply reservoir in southeastern New York State that forms part of the Croton Watershed system.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Bog Brook Reservoir canonical | 19 |
| Bog Brook | 1 |
| Hallocks Mill Brook | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T91446 — 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: Bog Brook Reservoir Context triple: [Croton River, hasPart, Bog Brook Reservoir]
-
A.
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.
-
B.
East Branch Reservoir
East Branch Reservoir is a man-made water supply reservoir in New York’s Croton Watershed that helps provide drinking water to New York City.
-
C.
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.
-
D.
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.
-
E.
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.
- 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: Bog Brook Reservoir Target entity description: Bog Brook Reservoir is a small New York City water supply reservoir in southeastern New York State that forms part of the Croton Watershed system.
-
A.
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.
-
B.
East Branch Reservoir
East Branch Reservoir is a man-made water supply reservoir in New York’s Croton Watershed that helps provide drinking water to New York City.
-
C.
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.
-
D.
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.
-
E.
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.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
reservoir
ⓘ
water supply reservoir ⓘ |
| accessRestricted | true ⓘ |
| basinCountry |
United States
ⓘ
linked to:
United States of America
|
| bodyOfWaterType | freshwater reservoir ⓘ |
| connectedTo | East Branch Reservoir ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| inflow | Bog Brook ⓘ |
| locatedIn |
New York State
ⓘ
linked to:
New York
Putnam County, New York ⓘ Town of Southeast, New York ⓘ
linked to:
Town of Southeast
southeastern New York State ⓘ |
| locatedNear | Brewster, New York ⓘ |
| manMade | true ⓘ |
| operator | New York City Department of Environmental Protection ⓘ |
| outflow | Bog Brook ⓘ |
| partOf |
Croton Watershed
ⓘ
Croton water supply system ⓘ New York City water supply system ⓘ |
| primaryFunction | supplying water to New York City ⓘ |
| region | Hudson Valley ⓘ |
| use |
drinking water source
ⓘ
municipal water supply ⓘ |
| watercourse | Bog Brook ⓘ |
| watershed |
Croton River watershed
ⓘ
linked to:
Croton Watershed
|
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: Bog Brook Reservoir Description of subject: Bog Brook Reservoir is a small New York City water supply reservoir in southeastern New York State that forms part of the Croton Watershed system.
Referenced by (21)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Bog Brook Reservoir
linked to: Bog Brook Reservoir