Howden Dam

E508481

masonry dam reservoir 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.

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All labels observed (2)

Label	Occurrences
Howden Dam canonical	2
Kinder Reservoir dam	1

Statements (31)

Predicate	Object
instanceOf	masonry dam ⓘ reservoir dam ⓘ
architecturalStyle	Victorian-era engineering architecture ⓘ
basinCountry	United Kingdom ⓘ
constructionBegan	1901 ⓘ
constructionMaterial	stone masonry ⓘ
country	United Kingdom ⓘ
createsReservoir	Howden Reservoir NERFINISHED ⓘ
hasAccessRoad	Derwent Valley road NERFINISHED ⓘ
hasSpillway	overflow spillway ⓘ
height	about 34 metres ⓘ
impounds	River Derwent NERFINISHED ⓘ
knownFor	impressive masonry architecture ⓘ role in regional water supply ⓘ
length	about 472 metres ⓘ
locatedIn	Derbyshire ⓘ England ⓘ Upper Derwent Valley NERFINISHED ⓘ
locatedInProtectedArea	Peak District National Park NERFINISHED ⓘ
locatedNear	A57 Snake Pass NERFINISHED ⓘ
near	Derwent Dam NERFINISHED ⓘ Ladybower Dam NERFINISHED ⓘ
opened	1912 ⓘ
operator	Severn Trent Water NERFINISHED ⓘ
partOf	Derwent Valley water supply scheme NERFINISHED ⓘ Upper Derwent Valley reservoir system NERFINISHED ⓘ
purpose	water supply ⓘ
regionServed	Derbyshire NERFINISHED ⓘ South Yorkshire NERFINISHED ⓘ
reservoirCapacity	Howden Reservoir NERFINISHED ⓘ
usedBy	walkers and cyclists ⓘ

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: Howden Dam
Description of subject: 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.

Referenced by (3)

Full triples — surface form annotated when it differs from this entity's canonical label.

Derwent Reservoir → hasFeature → Howden Dam ⓘ

Howden Reservoir → hasStructure → Howden Dam ⓘ

River Kinder → hasStructureOnCourse → Howden Dam ⓘ

this entity surface form: Kinder Reservoir dam