Cotter Dam
E620906
Cotter Dam is a major water supply and flood control dam near Canberra in the Australian Capital Territory, forming part of the region’s primary drinking water storage system.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Cotter Dam canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T6559482 — 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: Cotter Dam Context triple: [Cotter River, hasDam, Cotter Dam]
-
A.
Gillespie Dam
Gillespie Dam is an early 20th-century concrete gravity dam on Arizona’s Gila River, historically used for irrigation and now noted as a local landmark and wildlife habitat area.
-
B.
Parker Dam
Parker Dam is a concrete arch-gravity dam on the Colorado River best known for creating Lake Havasu and supplying water and hydroelectric power to parts of California and Arizona.
-
C.
Howden Dam
Howden Dam is a large masonry dam in Derbyshire, England, forming part of the Upper Derwent Valley reservoir system and known for its impressive architecture and role in regional water supply.
-
D.
McClure Dam
McClure Dam is a hydroelectric dam on the Dead River in Michigan, forming McClure Basin and providing power and water management for the surrounding region.
-
E.
Chatfield Dam
Chatfield Dam is a large flood-control and water-storage structure in Colorado that creates Chatfield Reservoir on the South Platte River near Denver.
- 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: Cotter Dam Target entity description: Cotter Dam is a major water supply and flood control dam near Canberra in the Australian Capital Territory, forming part of the region’s primary drinking water storage system.
-
A.
Gillespie Dam
Gillespie Dam is an early 20th-century concrete gravity dam on Arizona’s Gila River, historically used for irrigation and now noted as a local landmark and wildlife habitat area.
-
B.
Parker Dam
Parker Dam is a concrete arch-gravity dam on the Colorado River best known for creating Lake Havasu and supplying water and hydroelectric power to parts of California and Arizona.
-
C.
Howden Dam
Howden Dam is a large masonry dam in Derbyshire, England, forming part of the Upper Derwent Valley reservoir system and known for its impressive architecture and role in regional water supply.
-
D.
McClure Dam
McClure Dam is a hydroelectric dam on the Dead River in Michigan, forming McClure Basin and providing power and water management for the surrounding region.
-
E.
Chatfield Dam
Chatfield Dam is a large flood-control and water-storage structure in Colorado that creates Chatfield Reservoir on the South Platte River near Denver.
- F. None of above. chosen
Statements (37)
| Predicate | Object |
|---|---|
| instanceOf |
concrete dam
ⓘ
gravity dam ⓘ |
| basinCountry | Australia NERFINISHED ⓘ |
| catchmentArea | Cotter River catchment ⓘ |
| constructionBegan | 1912 ⓘ |
| country | Australia ⓘ |
| hasAccessRoad | Cotter Road NERFINISHED ⓘ |
| hasFunction |
drought security for Canberra
ⓘ
peak flood attenuation ⓘ |
| hasSpillway | uncontrolled overflow spillway ⓘ |
| height | about 87 metres ⓘ |
| isUpstreamOf | Murrumbidgee River confluence NERFINISHED ⓘ |
| length | about 330 metres ⓘ |
| locatedIn |
Australian Capital Territory (enclaved within) (geographical context)
ⓘ
surface form:
Australian Capital Territory
|
| locatedInProtectedArea | Namadgi National Park vicinity NERFINISHED ⓘ |
| locatedInTimeZone |
AEDT
ⓘ
AEST ⓘ |
| locatedNear | Canberra NERFINISHED ⓘ |
| locatedOnRiver | Cotter River NERFINISHED ⓘ |
| managesResource | drinking water for Canberra region ⓘ |
| material | roller-compacted concrete (enlarged dam wall) ⓘ |
| nearbyCity | Canberra NERFINISHED ⓘ |
| nearbyLocality | Cotter Reserve NERFINISHED ⓘ |
| opened | 1915 ⓘ |
| operator | Icon Water NERFINISHED ⓘ |
| owner | Australian Capital Territory Government NERFINISHED ⓘ |
| partOf | Canberra water supply system NERFINISHED ⓘ |
| partOfScheme | ACT integrated water supply network NERFINISHED ⓘ |
| purpose |
flood control
ⓘ
water supply ⓘ |
| region | South Eastern Highlands NERFINISHED ⓘ |
| replacedStructure | original lower Cotter Dam wall (as primary storage) ⓘ |
| reservoirCapacity | about 78 gigalitres ⓘ |
| reservoirName | Cotter Reservoir NERFINISHED ⓘ |
| underwentEnlargement | 2010–2013 ⓘ |
| waterUse |
environmental flows downstream
ⓘ
urban water 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: Cotter Dam Description of subject: Cotter Dam is a major water supply and flood control dam near Canberra in the Australian Capital Territory, forming part of the region’s primary drinking water storage system.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.