Oradell Reservoir
E871238
Oradell Reservoir is a major man-made lake in northeastern New Jersey that serves as a key drinking water source for surrounding communities.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Oradell Reservoir canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10520902 — 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: Oradell Reservoir Context triple: [Hackensack River watershed, containsWaterBody, Oradell Reservoir]
-
A.
Boonton Reservoir
Boonton Reservoir is a man-made lake in northern New Jersey that serves as a major water supply source and recreational area for the surrounding region.
-
B.
Neversink Reservoir
Neversink Reservoir is a major Catskill Mountain water supply reservoir in New York that forms part of New York City’s upstate drinking water 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.
Katonah Reservoir
Katonah Reservoir is a man-made water body in Westchester County, New York, that forms part of the New York City water supply system.
-
E.
Palisades Reservoir
Palisades Reservoir is a large man-made lake on the Snake River in eastern Idaho and western Wyoming, popular for boating, fishing, and irrigation storage.
- 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: Oradell Reservoir Target entity description: Oradell Reservoir is a major man-made lake in northeastern New Jersey that serves as a key drinking water source for surrounding communities.
-
A.
Boonton Reservoir
Boonton Reservoir is a man-made lake in northern New Jersey that serves as a major water supply source and recreational area for the surrounding region.
-
B.
Neversink Reservoir
Neversink Reservoir is a major Catskill Mountain water supply reservoir in New York that forms part of New York City’s upstate drinking water 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.
Katonah Reservoir
Katonah Reservoir is a man-made water body in Westchester County, New York, that forms part of the New York City water supply system.
-
E.
Palisades Reservoir
Palisades Reservoir is a large man-made lake on the Snake River in eastern Idaho and western Wyoming, popular for boating, fishing, and irrigation storage.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf | reservoir ⓘ |
| basinCountry | United States of America ⓘ |
| bodyOfWaterType | freshwater lake ⓘ |
| country | United States of America ⓘ |
| formedBy | Oradell Dam NERFINISHED ⓘ |
| hasEnvironmentalConcern |
algal blooms
ⓘ
nutrient loading ⓘ urban runoff ⓘ |
| hasNearbyFacility | water treatment plant in Oradell, New Jersey ⓘ |
| hasNearbyLandUse |
suburban residential areas
ⓘ
transportation corridors ⓘ |
| hasShorelineUseRestriction |
no public swimming
ⓘ
restricted boating ⓘ |
| hasStructure | Oradell Dam NERFINISHED ⓘ |
| inflow | Hackensack River NERFINISHED ⓘ |
| isDownstreamOf |
Lake DeForest
NERFINISHED
ⓘ
Woodcliff Lake Reservoir NERFINISHED ⓘ |
| isPartOfSystem | Hackensack River water supply system NERFINISHED ⓘ |
| isUpstreamOf | Lake Tappan NERFINISHED ⓘ |
| locatedIn |
Bergen County, New Jersey
NERFINISHED
ⓘ
New Jersey, United States ⓘ
surface form:
New Jersey
|
| locatedInMunicipality |
Closter, New Jersey
NERFINISHED
ⓘ
Dumont, New Jersey NERFINISHED ⓘ Emerson, New Jersey NERFINISHED ⓘ Haworth, New Jersey NERFINISHED ⓘ New Milford, New Jersey NERFINISHED ⓘ Oradell, New Jersey NERFINISHED ⓘ |
| locatedInRegion | Northeastern New Jersey NERFINISHED ⓘ |
| locatedNear |
New York–New Jersey state border
NERFINISHED
ⓘ
Palisades Interstate Parkway NERFINISHED ⓘ |
| locatedNorthOf | Oradell, New Jersey downtown NERFINISHED ⓘ |
| locatedWestOf | Haworth, New Jersey center NERFINISHED ⓘ |
| operator |
Veolia North America
NERFINISHED
ⓘ
Veolia Water New Jersey NERFINISHED ⓘ |
| outflow | Hackensack River NERFINISHED ⓘ |
| partOf | Hackensack River watershed NERFINISHED ⓘ |
| previousOperator |
Hackensack Water Company
NERFINISHED
ⓘ
United Water New Jersey NERFINISHED ⓘ |
| primaryFunction | key drinking water source for surrounding communities ⓘ |
| region | Northeastern United States ⓘ |
| suppliesWaterTo |
Bergen County, New Jersey
NERFINISHED
ⓘ
Essex County, New Jersey NERFINISHED ⓘ Hudson County, New Jersey NERFINISHED ⓘ |
| use |
drinking water supply
ⓘ
flood control ⓘ municipal water supply ⓘ recreation (limited) ⓘ |
| watercourse | Hackensack River NERFINISHED ⓘ |
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: Oradell Reservoir Description of subject: Oradell Reservoir is a major man-made lake in northeastern New Jersey that serves as a key drinking water source for surrounding communities.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.