Mundaring Weir
E934789
Mundaring Weir is a historic dam and reservoir in Western Australia that forms a key part of Perth’s water supply and the Goldfields Water Supply Scheme.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Mundaring Weir canonical | 2 |
| C. Y. O'Connor memorial at Mundaring Weir | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11582300 — 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: Mundaring Weir Context triple: [Mount Charlotte Reservoir, connectedTo, Mundaring Weir]
-
A.
Moondarra Dam
Moondarra Dam is a major water storage and irrigation structure in Queensland, Australia, built to supply water to the nearby city of Mount Isa and its mining operations.
-
B.
Ross River Dam
Ross River Dam is a major water storage and flood mitigation structure near Townsville in Queensland, Australia, supplying drinking water and helping protect the region from flooding.
-
C.
Talbingo Dam
Talbingo Dam is a major rockfill embankment dam in New South Wales, Australia, forming part of the Snowy Mountains Scheme and creating Talbingo Reservoir for hydroelectric power generation and water storage.
-
D.
Victoria Dam
Victoria Dam is a major hydroelectric and irrigation dam in Sri Lanka, forming part of the Mahaweli Development Programme and creating the Victoria Reservoir on the Mahaweli River.
-
E.
Eucumbene Dam
Eucumbene Dam is a major rock-fill embankment dam in New South Wales, Australia, forming part of the Snowy Mountains Scheme and impounding Lake Eucumbene for hydroelectric power generation and water storage.
- 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: Mundaring Weir Target entity description: Mundaring Weir is a historic dam and reservoir in Western Australia that forms a key part of Perth’s water supply and the Goldfields Water Supply Scheme.
-
A.
Moondarra Dam
Moondarra Dam is a major water storage and irrigation structure in Queensland, Australia, built to supply water to the nearby city of Mount Isa and its mining operations.
-
B.
Ross River Dam
Ross River Dam is a major water storage and flood mitigation structure near Townsville in Queensland, Australia, supplying drinking water and helping protect the region from flooding.
-
C.
Talbingo Dam
Talbingo Dam is a major rockfill embankment dam in New South Wales, Australia, forming part of the Snowy Mountains Scheme and creating Talbingo Reservoir for hydroelectric power generation and water storage.
-
D.
Victoria Dam
Victoria Dam is a major hydroelectric and irrigation dam in Sri Lanka, forming part of the Mahaweli Development Programme and creating the Victoria Reservoir on the Mahaweli River.
-
E.
Eucumbene Dam
Eucumbene Dam is a major rock-fill embankment dam in New South Wales, Australia, forming part of the Snowy Mountains Scheme and impounding Lake Eucumbene for hydroelectric power generation and water storage.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
dam
ⓘ
reservoir ⓘ |
| category |
Dams in Western Australia
ⓘ
Heritage places in Western Australia ⓘ Reservoirs in Western Australia ⓘ |
| constructionMaterial | concrete gravity dam with masonry elements ⓘ |
| constructionStartDate | 1898 ⓘ |
| country | Australia ⓘ |
| designedBy | C. Y. O'Connor NERFINISHED ⓘ |
| elevation | about 195 metres above sea level ⓘ |
| engineeringSignificance | major example of early long-distance water supply engineering ⓘ |
| feeds | Goldfields pipeline NERFINISHED ⓘ |
| formsReservoir | Mundaring Weir Reservoir NERFINISHED ⓘ |
| hasFacility |
lookout points
ⓘ
picnic areas ⓘ walking trails ⓘ |
| hasMuseum | No. 1 Pump Station Museum (nearby, related to Goldfields Water Supply Scheme) NERFINISHED ⓘ |
| heritageStatus |
listed on the Register of the National Estate (historic listing)
ⓘ
listed on the State Register of Heritage Places (Western Australia) ⓘ |
| historicSignificance |
key component of the Goldfields Water Supply Scheme
ⓘ
major early 20th-century public works project in Western Australia ⓘ |
| locatedIn |
Perth Hills
NERFINISHED
ⓘ
Shire of Mundaring NERFINISHED ⓘ |
| locatedNear | Mundaring, Western Australia NERFINISHED ⓘ |
| managedBy | Water Corporation of Western Australia NERFINISHED ⓘ |
| modification |
raised in height during the 1950s
ⓘ
subject to later upgrades for capacity and safety ⓘ |
| namedAfter | town of Mundaring ⓘ |
| nearbyAttraction |
Beelu National Park
NERFINISHED
ⓘ
Mundaring Weir Hotel NERFINISHED ⓘ Mundaring Weir Road scenic drive NERFINISHED ⓘ |
| officialOpeningDate | 1903-03-22 ⓘ |
| openedBy | Sir John Forrest NERFINISHED ⓘ |
| openingDate | 1903 ⓘ |
| operator | Water Corporation of Western Australia NERFINISHED ⓘ |
| owner | Government of Western Australia NERFINISHED ⓘ |
| partOf |
Goldfields Water Supply Scheme
NERFINISHED
ⓘ
Perth water supply system NERFINISHED ⓘ |
| purpose |
flood control
ⓘ
irrigation water supply ⓘ potable water supply ⓘ |
| state | Western Australia ⓘ |
| suppliesWaterTo |
Eastern Goldfields region of Western Australia
NERFINISHED
ⓘ
Perth metropolitan area NERFINISHED ⓘ |
| touristAttraction | yes ⓘ |
| watercourse | Helena 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: Mundaring Weir Description of subject: Mundaring Weir is a historic dam and reservoir in Western Australia that forms a key part of Perth’s water supply and the Goldfields Water Supply Scheme.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
C. Y. O'Connor memorial at Mundaring Weir