Barkhamsted Reservoir
E777585
Barkhamsted Reservoir is a large man-made lake in north-central Connecticut that serves as a major drinking water source for the Hartford metropolitan area and a popular spot for outdoor recreation.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Barkhamsted Reservoir canonical | 1 |
| Barkhamsted Reservoir (impounded section) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9089251 — 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: Barkhamsted Reservoir Context triple: [Barkhamsted, Connecticut, hasPart, Barkhamsted Reservoir]
-
A.
Aspetuck Reservoir
Aspetuck Reservoir is a man-made water body in Fairfield County, Connecticut, serving as a local water supply and recreational area within the town of Easton.
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B.
Saugatuck Reservoir
Saugatuck Reservoir is a large man-made water supply reservoir in southwestern Connecticut, known for providing drinking water and limited recreational opportunities in a forested, rural setting.
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C.
Waterbury Reservoir
Waterbury Reservoir is a large man-made lake in Waterbury, Vermont, popular for outdoor recreation such as boating, fishing, and camping.
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D.
Scituate Reservoir
Scituate Reservoir is the largest freshwater body in Rhode Island and the primary drinking water source for the city of Providence and several surrounding communities.
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E.
Hopkinton Reservoir
Hopkinton Reservoir is a man-made lake in Hopkinton, Massachusetts, popular for recreation such as swimming, fishing, and boating within Hopkinton State Park.
- 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: Barkhamsted Reservoir Target entity description: Barkhamsted Reservoir is a large man-made lake in north-central Connecticut that serves as a major drinking water source for the Hartford metropolitan area and a popular spot for outdoor recreation.
-
A.
Aspetuck Reservoir
Aspetuck Reservoir is a man-made water body in Fairfield County, Connecticut, serving as a local water supply and recreational area within the town of Easton.
-
B.
Saugatuck Reservoir
Saugatuck Reservoir is a large man-made water supply reservoir in southwestern Connecticut, known for providing drinking water and limited recreational opportunities in a forested, rural setting.
-
C.
Waterbury Reservoir
Waterbury Reservoir is a large man-made lake in Waterbury, Vermont, popular for outdoor recreation such as boating, fishing, and camping.
-
D.
Scituate Reservoir
Scituate Reservoir is the largest freshwater body in Rhode Island and the primary drinking water source for the city of Providence and several surrounding communities.
-
E.
Hopkinton Reservoir
Hopkinton Reservoir is a man-made lake in Hopkinton, Massachusetts, popular for recreation such as swimming, fishing, and boating within Hopkinton State Park.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
drinking water reservoir
ⓘ
reservoir ⓘ |
| accessPolicy | restricted to protect water quality ⓘ |
| basinCountry |
United States of America
ⓘ
surface form:
United States
|
| completionDate | 1940 ⓘ |
| constructionStartDate | 1930s ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| ecoregion | New England upland NERFINISHED ⓘ |
| formedBy | Saville Dam NERFINISHED ⓘ |
| hasNearbyAttraction |
American Legion State Forest
NERFINISHED
ⓘ
People’s State Forest NERFINISHED ⓘ Saville Dam scenic overlook NERFINISHED ⓘ |
| hasStructure | Saville Dam NERFINISHED ⓘ |
| inflow | East Branch Farmington River NERFINISHED ⓘ |
| locatedIn |
Connecticut
ⓘ
Hartford County NERFINISHED ⓘ Litchfield County NERFINISHED ⓘ north-central Connecticut NERFINISHED ⓘ |
| locatedInMunicipality |
Barkhamsted, Connecticut
NERFINISHED
ⓘ
Hartland, Connecticut NERFINISHED ⓘ |
| managedBy | Metropolitan District Commission of Hartford NERFINISHED ⓘ |
| maximumLength | approximately 8 miles ⓘ |
| namedAfter | Barkhamsted, Connecticut NERFINISHED ⓘ |
| outflow | East Branch Farmington River NERFINISHED ⓘ |
| partOf |
Farmington River watershed
NERFINISHED
ⓘ
Hartford metropolitan area water supply system NERFINISHED ⓘ |
| primaryFunction | public water supply ⓘ |
| prohibits |
body-contact recreation
ⓘ
swimming ⓘ |
| protectedFor | drinking water quality ⓘ |
| recreationActivity |
boating (restricted)
ⓘ
fishing ⓘ hiking ⓘ wildlife viewing ⓘ |
| region | New England NERFINISHED ⓘ |
| serves |
Greater Hartford
NERFINISHED
ⓘ
Hartford metropolitan area NERFINISHED ⓘ |
| state | Connecticut ⓘ |
| surfaceArea | approximately 3,000 acres ⓘ |
| surroundedBy | forested watershed lands ⓘ |
| use |
drinking water supply
ⓘ
flood control ⓘ municipal water supply ⓘ recreation ⓘ |
| watercourse | Farmington River NERFINISHED ⓘ |
| waterQuality | high ⓘ |
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: Barkhamsted Reservoir Description of subject: Barkhamsted Reservoir is a large man-made lake in north-central Connecticut that serves as a major drinking water source for the Hartford metropolitan area and a popular spot for outdoor recreation.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Barkhamsted Reservoir (impounded section)