Oldman River Dam
E874680
Oldman River Dam is a large multipurpose embankment dam in southern Alberta, Canada, built primarily for irrigation, flood control, and water management on the Oldman River.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Oldman River Dam canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T10151144 — 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: Oldman River Dam Context triple: [Oldman River, hasStructure, Oldman River Dam]
-
A.
Morris Sheppard Dam
Morris Sheppard Dam is a large hydroelectric and flood-control structure in Texas that impounds the Brazos River to form Possum Kingdom Lake.
-
B.
Riley Dam
Riley Dam is a hydroelectric dam located on the Androscoggin River in Maine, used for power generation and river flow management.
-
C.
River Mill Dam
River Mill Dam is a hydroelectric dam on the Clackamas River in Oregon, known for power generation and its role in regional water management.
-
D.
Conklingville Dam
Conklingville Dam is a concrete gravity dam in New York that created the Great Sacandaga Lake reservoir for flood control and hydroelectric power generation.
-
E.
LaBarge Dam
LaBarge Dam is a small hydroengineering structure located on the Thornapple River in Michigan, used primarily for water level control and local recreation.
- 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: Oldman River Dam Target entity description: Oldman River Dam is a large multipurpose embankment dam in southern Alberta, Canada, built primarily for irrigation, flood control, and water management on the Oldman River.
-
A.
Morris Sheppard Dam
Morris Sheppard Dam is a large hydroelectric and flood-control structure in Texas that impounds the Brazos River to form Possum Kingdom Lake.
-
B.
Riley Dam
Riley Dam is a hydroelectric dam located on the Androscoggin River in Maine, used for power generation and river flow management.
-
C.
River Mill Dam
River Mill Dam is a hydroelectric dam on the Clackamas River in Oregon, known for power generation and its role in regional water management.
-
D.
Conklingville Dam
Conklingville Dam is a concrete gravity dam in New York that created the Great Sacandaga Lake reservoir for flood control and hydroelectric power generation.
-
E.
LaBarge Dam
LaBarge Dam is a small hydroengineering structure located on the Thornapple River in Michigan, used primarily for water level control and local recreation.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
embankment dam
ⓘ
multipurpose dam ⓘ |
| basinCountry | Canada ⓘ |
| constructionBegan | 1986 ⓘ |
| constructionMaterial |
earthfill
ⓘ
rockfill ⓘ |
| controversy |
environmental impact concerns
ⓘ
opposition from local Indigenous communities ⓘ |
| country | Canada ⓘ |
| crosses | Oldman River NERFINISHED ⓘ |
| designedFor |
drought mitigation
ⓘ
peak flow regulation ⓘ |
| hasRecreationArea | Oldman Dam Provincial Recreation Area NERFINISHED ⓘ |
| hasReservoirUse |
boating
ⓘ
camping ⓘ fishing ⓘ |
| hasSpillway | yes ⓘ |
| height | approximately 64 metres ⓘ |
| jurisdiction | Province of Alberta NERFINISHED ⓘ |
| length | approximately 2,500 metres ⓘ |
| locatedIn |
Alberta
ⓘ
Canada Prairies ecozone NERFINISHED ⓘ Municipal District of Pincher Creek No. 9 NERFINISHED ⓘ Oldman River watershed NERFINISHED ⓘ southern Alberta NERFINISHED ⓘ |
| locatedNear | Pincher Creek, Alberta NERFINISHED ⓘ |
| locatedOnRiver | Oldman River NERFINISHED ⓘ |
| managesWaterFor | irrigation districts in southern Alberta ⓘ |
| nearbyCity | Lethbridge, Alberta NERFINISHED ⓘ |
| nearIndigenousTerritory | Piikani Nation NERFINISHED ⓘ |
| openingDate | 1991 ⓘ |
| operator | Alberta Environment and Parks NERFINISHED ⓘ |
| owner | Government of Alberta NERFINISHED ⓘ |
| partOf | South Saskatchewan River system NERFINISHED ⓘ |
| primaryUse | irrigation water storage ⓘ |
| purpose |
flood control
ⓘ
irrigation ⓘ water management ⓘ |
| region | South Saskatchewan River Basin NERFINISHED ⓘ |
| reservoirCapacity | approximately 1,700,000,000 cubic metres ⓘ |
| reservoirName | Oldman Reservoir NERFINISHED ⓘ |
| secondaryUse |
flood mitigation
ⓘ
municipal and industrial water supply ⓘ recreation ⓘ |
| spillwayType | gated overflow spillway ⓘ |
| status | operational ⓘ |
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: Oldman River Dam Description of subject: Oldman River Dam is a large multipurpose embankment dam in southern Alberta, Canada, built primarily for irrigation, flood control, and water management on the Oldman River.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.