Craig Goch Reservoir
E830485
Craig Goch Reservoir is a scenic upland water reservoir in the Elan Valley of mid Wales, known for its impressive stone dam and role in the region’s historic water supply system.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Craig Goch Reservoir canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T9865505 — 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: Craig Goch Reservoir Context triple: [Pen-y-garreg Reservoir, near, Craig Goch Reservoir]
-
A.
Fernilee Reservoir
Fernilee Reservoir is a scenic man-made lake in the Goyt Valley in Derbyshire, England, popular for walking, wildlife, and outdoor recreation.
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B.
Howden Reservoir
Howden Reservoir is a large man-made lake in Derbyshire’s Peak District, known as part of the Upper Derwent Valley chain of reservoirs supplying water to nearby cities and popular for its scenic surroundings and outdoor recreation.
-
C.
Bonaly Reservoir
Bonaly Reservoir is a man-made upland water body in the Pentland Hills near Edinburgh, popular for walking, wildlife, and scenic views.
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D.
Woodhead Reservoir
Woodhead Reservoir is a major man-made lake in the Longdendale Valley in northern England, built to supply water and help regulate flows along the River Etherow.
-
E.
Foziling Reservoir
Foziling Reservoir is a major multipurpose water conservancy project in Anhui Province, China, known for flood control, irrigation, and water supply within the Huai River basin.
- 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: Craig Goch Reservoir Target entity description: Craig Goch Reservoir is a scenic upland water reservoir in the Elan Valley of mid Wales, known for its impressive stone dam and role in the region’s historic water supply system.
-
A.
Fernilee Reservoir
Fernilee Reservoir is a scenic man-made lake in the Goyt Valley in Derbyshire, England, popular for walking, wildlife, and outdoor recreation.
-
B.
Howden Reservoir
Howden Reservoir is a large man-made lake in Derbyshire’s Peak District, known as part of the Upper Derwent Valley chain of reservoirs supplying water to nearby cities and popular for its scenic surroundings and outdoor recreation.
-
C.
Bonaly Reservoir
Bonaly Reservoir is a man-made upland water body in the Pentland Hills near Edinburgh, popular for walking, wildlife, and scenic views.
-
D.
Woodhead Reservoir
Woodhead Reservoir is a major man-made lake in the Longdendale Valley in northern England, built to supply water and help regulate flows along the River Etherow.
-
E.
Foziling Reservoir
Foziling Reservoir is a major multipurpose water conservancy project in Anhui Province, China, known for flood control, irrigation, and water supply within the Huai River basin.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
reservoir
ⓘ
upland reservoir ⓘ |
| access | public road over dam ⓘ |
| alsoKnownAs | Craig Goch Dam Reservoir NERFINISHED ⓘ |
| basinCountry | United Kingdom ⓘ |
| connectedTo | Elan aqueduct NERFINISHED ⓘ |
| constructionStartDate | 1897 ⓘ |
| country | Wales ⓘ |
| damMaterial | stone ⓘ |
| damType | masonry gravity dam ⓘ |
| drainageBasin | River Wye basin ⓘ |
| elevation | approximately 300 metres above sea level ⓘ |
| feeds | Elan aqueduct NERFINISHED ⓘ |
| hasFeature |
arched masonry dam wall
ⓘ
ornamental dam towers ⓘ roadway across dam crest ⓘ |
| hasPart | Craig Goch Dam NERFINISHED ⓘ |
| hasUse |
angling
ⓘ
recreation ⓘ tourism ⓘ |
| heritage | part of historic Elan Valley waterworks ⓘ |
| inception | early 20th century ⓘ |
| inflow | River Elan NERFINISHED ⓘ |
| landUseAround |
moorland
ⓘ
upland grazing ⓘ |
| locatedIn |
Ceredigion
NERFINISHED
ⓘ
Elan Valley NERFINISHED ⓘ mid Wales NERFINISHED ⓘ |
| locatedInProtectedArea | Elan Valley Estate nature and heritage area NERFINISHED ⓘ |
| locatedNear |
Elan Village
NERFINISHED
ⓘ
Rhayader NERFINISHED ⓘ |
| managesWaterFor | Birmingham NERFINISHED ⓘ |
| notableFor |
historic water supply infrastructure
ⓘ
scenic landscape ⓘ |
| operator | Dŵr Cymru Welsh Water NERFINISHED ⓘ |
| outflow | River Elan NERFINISHED ⓘ |
| ownedBy | Dŵr Cymru Welsh Water NERFINISHED ⓘ |
| partOf |
Birmingham Corporation Waterworks scheme
NERFINISHED
ⓘ
Elan Valley Estate NERFINISHED ⓘ Elan Valley Reservoirs NERFINISHED ⓘ |
| purpose |
drinking water storage
ⓘ
water supply ⓘ |
| region | Powys NERFINISHED ⓘ |
| touristAttraction | yes ⓘ |
| watercourse | River Elan 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: Craig Goch Reservoir Description of subject: Craig Goch Reservoir is a scenic upland water reservoir in the Elan Valley of mid Wales, known for its impressive stone dam and role in the region’s historic water supply system.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.