Cowans Ford Dam
E596649
Cowans Ford Dam is a hydroelectric and flood-control dam on the Catawba River in North Carolina that created Lake Norman, the state’s largest man-made lake.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Cowans Ford Dam canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6234370 — 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: Cowans Ford Dam Context triple: [Lake Norman, impoundedBy, Cowans Ford Dam]
-
A.
Wells Dam
Wells Dam is a hydroelectric dam on the Columbia River in Washington State, known for its distinctive hydrocombine design and role in regional power generation and fish passage.
-
B.
Forestville Dam
Forestville Dam is a hydroelectric and recreational dam located on the Dead River near Marquette in Michigan’s Upper Peninsula.
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C.
Tuckertown Dam
Tuckertown Dam is a hydroelectric dam on the Yadkin River in North Carolina that forms Tuckertown Reservoir as part of a series of power-generating dams along the river.
-
D.
Fife Brook Dam
Fife Brook Dam is a hydroelectric dam on the Deerfield River in western Massachusetts, known for regulating river flow and supporting popular whitewater recreation downstream.
-
E.
Summersville Dam
Summersville Dam is a large rock-fill dam on the Gauley River in West Virginia, known for creating Summersville Lake and supporting popular whitewater recreation downstream.
- 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: Cowans Ford Dam Target entity description: Cowans Ford Dam is a hydroelectric and flood-control dam on the Catawba River in North Carolina that created Lake Norman, the state’s largest man-made lake.
-
A.
Wells Dam
Wells Dam is a hydroelectric dam on the Columbia River in Washington State, known for its distinctive hydrocombine design and role in regional power generation and fish passage.
-
B.
Forestville Dam
Forestville Dam is a hydroelectric and recreational dam located on the Dead River near Marquette in Michigan’s Upper Peninsula.
-
C.
Tuckertown Dam
Tuckertown Dam is a hydroelectric dam on the Yadkin River in North Carolina that forms Tuckertown Reservoir as part of a series of power-generating dams along the river.
-
D.
Fife Brook Dam
Fife Brook Dam is a hydroelectric dam on the Deerfield River in western Massachusetts, known for regulating river flow and supporting popular whitewater recreation downstream.
-
E.
Summersville Dam
Summersville Dam is a large rock-fill dam on the Gauley River in West Virginia, known for creating Summersville Lake and supporting popular whitewater recreation downstream.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
flood control dam
ⓘ
gravity dam ⓘ hydroelectric dam ⓘ |
| associatedWith | Lake Norman Hydroelectric Station NERFINISHED ⓘ |
| basinCountry |
United States of America
ⓘ
surface form:
United States
|
| completionDate | 1963 ⓘ |
| constructionBegan | 1959 ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| created | the largest man-made lake in North Carolina ⓘ |
| createdReservoir | Lake Norman NERFINISHED ⓘ |
| creates | Lake Norman NERFINISHED ⓘ |
| crosses | Catawba River NERFINISHED ⓘ |
| energySource | hydropower ⓘ |
| hasFunction |
peak-load electricity generation
ⓘ
regulation of Catawba River flow ⓘ |
| hasSpillway | yes ⓘ |
| impounds | Lake Norman NERFINISHED ⓘ |
| locatedDownstreamOf | Lake Norman NERFINISHED ⓘ |
| locatedIn |
North Carolina
ⓘ
United States of America ⓘ
surface form:
United States
|
| locatedInWatershed | Catawba River watershed NERFINISHED ⓘ |
| locatedNear |
Catawba County, North Carolina
NERFINISHED
ⓘ
Cornelius, North Carolina NERFINISHED ⓘ Huntersville, North Carolina NERFINISHED ⓘ Lincoln County, North Carolina NERFINISHED ⓘ Mecklenburg County, North Carolina NERFINISHED ⓘ |
| locatedOnRiver | Catawba River NERFINISHED ⓘ |
| locatedUpstreamOf | Mountain Island Lake NERFINISHED ⓘ |
| managingOrganization | Duke Energy Carolinas NERFINISHED ⓘ |
| namedAfter | Cowans Ford NERFINISHED ⓘ |
| nearCity | Charlotte, North Carolina NERFINISHED ⓘ |
| openingDate | 1963 ⓘ |
| operator | Duke Energy NERFINISHED ⓘ |
| ownedBy | Duke Energy NERFINISHED ⓘ |
| partOf |
Catawba River chain of dams
NERFINISHED
ⓘ
Catawba-Wateree Hydroelectric Project NERFINISHED ⓘ |
| purpose |
flood control
ⓘ
hydroelectric power generation ⓘ recreation support ⓘ water supply ⓘ |
| region | Piedmont region of North Carolina NERFINISHED ⓘ |
| reservoirName | Lake Norman NERFINISHED ⓘ |
| reservoirType | artificial lake ⓘ |
| riverSystem | Catawba River system NERFINISHED ⓘ |
| state | North Carolina NERFINISHED ⓘ |
| usedFor |
navigation support on the Catawba River
ⓘ
regional water level management ⓘ |
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: Cowans Ford Dam Description of subject: Cowans Ford Dam is a hydroelectric and flood-control dam on the Catawba River in North Carolina that created Lake Norman, the state’s largest man-made lake.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.