Kirkwood-Cohansey aquifer system
E509598
The Kirkwood-Cohansey aquifer system is a shallow, sandy groundwater reservoir underlying New Jersey’s Pine Barrens that supplies much of the region’s drinking water and sustains its unique wetlands and ecosystems.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Kirkwood-Cohansey aquifer system canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T5302597 — 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: Kirkwood-Cohansey aquifer system Context triple: [Pine Barrens, hydrology, Kirkwood-Cohansey aquifer system]
-
A.
Franklin Lakes basin
Franklin Lakes basin is a scenic alpine lake basin in California’s Sierra Nevada, known for its turquoise waters and surrounding rugged mountain scenery.
-
B.
Columbia South Shore Well Field
The Columbia South Shore Well Field is a major groundwater supply system that provides drinking water to the Portland, Oregon metropolitan area, particularly as a backup and supplemental source to the city’s primary surface water.
-
C.
Newark Basin
The Newark Basin is a large Mesozoic rift basin in the northeastern United States, notable for its sedimentary and volcanic rock formations that record the early breakup of the supercontinent Pangaea.
-
D.
Delaware River watershed
The Delaware River watershed is the drainage basin that collects precipitation and runoff feeding the Delaware River and its tributaries across parts of New York, New Jersey, Pennsylvania, and Delaware before emptying into the Atlantic Ocean.
-
E.
Raritan Valley
Raritan Valley is a region in central New Jersey characterized by communities along the Raritan River and served by the Raritan Valley Line commuter rail corridor.
- 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: Kirkwood-Cohansey aquifer system Target entity description: The Kirkwood-Cohansey aquifer system is a shallow, sandy groundwater reservoir underlying New Jersey’s Pine Barrens that supplies much of the region’s drinking water and sustains its unique wetlands and ecosystems.
-
A.
Franklin Lakes basin
Franklin Lakes basin is a scenic alpine lake basin in California’s Sierra Nevada, known for its turquoise waters and surrounding rugged mountain scenery.
-
B.
Columbia South Shore Well Field
The Columbia South Shore Well Field is a major groundwater supply system that provides drinking water to the Portland, Oregon metropolitan area, particularly as a backup and supplemental source to the city’s primary surface water.
-
C.
Newark Basin
The Newark Basin is a large Mesozoic rift basin in the northeastern United States, notable for its sedimentary and volcanic rock formations that record the early breakup of the supercontinent Pangaea.
-
D.
Delaware River watershed
The Delaware River watershed is the drainage basin that collects precipitation and runoff feeding the Delaware River and its tributaries across parts of New York, New Jersey, Pennsylvania, and Delaware before emptying into the Atlantic Ocean.
-
E.
Raritan Valley
Raritan Valley is a region in central New Jersey characterized by communities along the Raritan River and served by the Raritan Valley Line commuter rail corridor.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
aquifer system
ⓘ
groundwater reservoir ⓘ |
| ageOfDeposits | Cenozoic ⓘ |
| associatedWith |
Pine Barrens streams and rivers
ⓘ
linked to:
Pine Barrens
Pine Barrens wetlands ⓘ
linked to:
Pine Barrens
|
| contains | unconsolidated sand and gravel deposits ⓘ |
| contributesTo |
baseflow of other Pine Barrens coastal plain streams
ⓘ
baseflow of the Mullica River system ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| ecologicalRole |
maintains high water tables needed for Pine Barrens bogs and swamps
ⓘ
supports habitat for rare and endangered Pine Barrens species ⓘ |
| geologicUnits |
Cohansey Formation
ⓘ
Kirkwood Formation ⓘ |
| governedBy | New Jersey Pinelands Commission policies ⓘ |
| hydraulicConductivity | relatively high due to sandy composition ⓘ |
| hydraulicConnection | connected to surface-water wetlands in the Pine Barrens ⓘ |
| hydrogeologicSetting | shallow unconfined aquifer ⓘ |
| importance | major source of potable water in southern New Jersey ⓘ |
| locatedIn |
New Jersey
ⓘ
linked to:
New Jersey, United States
New Jersey Pine Barrens ⓘ
linked to:
Pine Barrens
|
| managedBy | New Jersey Department of Environmental Protection ⓘ |
| monitoring | subject to groundwater-level and quality monitoring programs ⓘ |
| policyConcern | sustainable yield and ecological protection ⓘ |
| primaryLithology | sand ⓘ |
| providesBaseflowTo | streams in the New Jersey Pine Barrens ⓘ |
| rechargeCharacteristic | high infiltration rates through sandy soils ⓘ |
| rechargeSource | precipitation ⓘ |
| region |
Coastal Plain of New Jersey
ⓘ
linked to:
Atlantic coastal plain
|
| studiedBy | United States Geological Survey ⓘ |
| supplies | drinking water for communities in the Pine Barrens region ⓘ |
| supports |
Pine Barrens cranberry bog hydrology
ⓘ
Pine Barrens pitch pine–scrub oak communities via groundwater regime ⓘ unique ecosystems of the New Jersey Pine Barrens ⓘ wetlands in the New Jersey Pine Barrens ⓘ |
| threatenedBy |
agricultural chemicals
ⓘ
groundwater withdrawals ⓘ nonpoint source pollution ⓘ septic-system effluent ⓘ |
| underlies |
New Jersey Pine Barrens
ⓘ
linked to:
Pine Barrens
|
| vulnerability |
high susceptibility to contamination due to shallow depth
ⓘ
sensitive to changes in land use and water withdrawals ⓘ |
| waterType | fresh groundwater ⓘ |
| waterUse |
domestic self-supplied wells
ⓘ
industrial supply ⓘ irrigation ⓘ public supply ⓘ |
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: Kirkwood-Cohansey aquifer system Description of subject: The Kirkwood-Cohansey aquifer system is a shallow, sandy groundwater reservoir underlying New Jersey’s Pine Barrens that supplies much of the region’s drinking water and sustains its unique wetlands and ecosystems.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.