Oradell Dam
E1003419
Oradell Dam is a major concrete dam in Bergen County, New Jersey, that creates the Oradell Reservoir and serves as a key source of drinking water and flood control for the surrounding region.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Oradell Dam canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T12780257 — 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 Dam Context triple: [Hackensack River, hasStructure, Oradell Dam]
-
A.
Neversink Dam
Neversink Dam is a large earthen reservoir dam in New York’s Catskill Mountains that forms part of the New York City water supply system.
-
B.
Delaware Dam
Delaware Dam is a flood-control and water-management structure located on the Olentangy River in central Ohio.
-
C.
Palisades Dam
Palisades Dam is a large earthfill dam in eastern Idaho that provides irrigation water storage, hydroelectric power, and flood control on the upper Snake River.
-
D.
Shawmut Dam
Shawmut Dam is a hydroelectric dam located on Maine’s Kennebec River, used for power generation and river flow management.
-
E.
Rockaway River dam
Rockaway River dam is a water-control structure on New Jersey’s Rockaway River that impounds the Boonton Reservoir, a key regional drinking water supply.
- 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 Dam Target entity description: Oradell Dam is a major concrete dam in Bergen County, New Jersey, that creates the Oradell Reservoir and serves as a key source of drinking water and flood control for the surrounding region.
-
A.
Neversink Dam
Neversink Dam is a large earthen reservoir dam in New York’s Catskill Mountains that forms part of the New York City water supply system.
-
B.
Delaware Dam
Delaware Dam is a flood-control and water-management structure located on the Olentangy River in central Ohio.
-
C.
Palisades Dam
Palisades Dam is a large earthfill dam in eastern Idaho that provides irrigation water storage, hydroelectric power, and flood control on the upper Snake River.
-
D.
Shawmut Dam
Shawmut Dam is a hydroelectric dam located on Maine’s Kennebec River, used for power generation and river flow management.
-
E.
Rockaway River dam
Rockaway River dam is a water-control structure on New Jersey’s Rockaway River that impounds the Boonton Reservoir, a key regional drinking water supply.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
concrete dam
ⓘ
gravity dam ⓘ |
| basinCountry |
United States of America
ⓘ
surface form:
United States
|
| constructionMaterial | concrete ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| creates | Oradell Reservoir NERFINISHED ⓘ |
| crosses | Hackensack River NERFINISHED ⓘ |
| hasEnvironmentalImpact |
creation of reservoir habitat
ⓘ
modification of Hackensack River flow ⓘ |
| hasFunction |
regulation of river flow
ⓘ
storage of raw water ⓘ |
| hasNameOrigin | Oradell, New Jersey NERFINISHED ⓘ |
| hasNearbyLandUse |
protected watershed lands
ⓘ
suburban residential areas ⓘ |
| hasSpillway | yes ⓘ |
| impounds | Hackensack River NERFINISHED ⓘ |
| isInfrastructureType |
flood control infrastructure
ⓘ
water supply infrastructure ⓘ |
| isMajorSourceOf |
drinking water for Bergen County
ⓘ
drinking water for parts of Hudson County ⓘ |
| isSubjectOf |
New Jersey environmental regulation
ⓘ
local water management policies ⓘ |
| isUpstreamOf |
New Milford, New Jersey
NERFINISHED
ⓘ
River Edge, New Jersey NERFINISHED ⓘ |
| locatedIn |
Bergen County, New Jersey
NERFINISHED
ⓘ
New Jersey, United States ⓘ
surface form:
New Jersey
Oradell, New Jersey NERFINISHED ⓘ |
| locatedInProtectedArea | Hackensack River Greenway (vicinity) NERFINISHED ⓘ |
| locatedInTimeZone | Eastern Time Zone ⓘ |
| locatedNear |
Closter, New Jersey
NERFINISHED
ⓘ
Dumont, New Jersey NERFINISHED ⓘ Emerson, New Jersey NERFINISHED ⓘ Haworth, New Jersey NERFINISHED ⓘ |
| operator |
Veolia North America
NERFINISHED
ⓘ
Veolia Water New Jersey NERFINISHED ⓘ |
| owner |
Veolia North America
NERFINISHED
ⓘ
Veolia Water New Jersey NERFINISHED ⓘ |
| partOf |
Hackensack River watershed
NERFINISHED
ⓘ
New York metropolitan area water supply system NERFINISHED ⓘ |
| purpose |
drinking water supply
ⓘ
flood control ⓘ municipal water supply ⓘ recreation ⓘ |
| regionServed | northeastern New Jersey NERFINISHED ⓘ |
| suppliesWaterTo |
Bergen County, New Jersey
NERFINISHED
ⓘ
Hudson County, New Jersey NERFINISHED ⓘ northeastern New Jersey communities ⓘ |
| 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 Dam Description of subject: Oradell Dam is a major concrete dam in Bergen County, New Jersey, that creates the Oradell Reservoir and serves as a key source of drinking water and flood control for the surrounding region.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.