Derwent Valley Water Board
E492108
The Derwent Valley Water Board was a public authority in England responsible for developing and managing major water supply reservoirs and infrastructure in the Derwent Valley region.
All labels observed (6)
How this entity was disambiguated
This entity first appeared as the object of triple T5084478 — 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: Derwent Valley Water Board Context triple: [Ladybower Reservoir, createdBy, Derwent Valley Water Board]
-
A.
Thames Water
Thames Water is the United Kingdom’s largest water and wastewater services company, supplying and treating water for millions of customers across London and the Thames Valley.
-
B.
Walsden Water
Walsden Water is a river in West Yorkshire, England, that flows through the town of Todmorden and forms part of the local Pennine valley landscape.
-
C.
Cheshire Basin
The Cheshire Basin is a large geological sedimentary basin in northwest England known for its thick Triassic rock sequences and associated salt deposits.
-
D.
Elan Valley reservoirs
The Elan Valley reservoirs are a series of scenic man-made lakes in mid-Wales, created in the late 19th and early 20th centuries to supply water to Birmingham and now renowned for their dams, wildlife, and outdoor recreation.
-
E.
South Calder Water
South Calder Water is a river in North Lanarkshire, Scotland, that flows through former industrial and mining areas before joining the River Clyde.
- 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: Derwent Valley Water Board Target entity description: The Derwent Valley Water Board was a public authority in England responsible for developing and managing major water supply reservoirs and infrastructure in the Derwent Valley region.
-
A.
Thames Water
Thames Water is the United Kingdom’s largest water and wastewater services company, supplying and treating water for millions of customers across London and the Thames Valley.
-
B.
Walsden Water
Walsden Water is a river in West Yorkshire, England, that flows through the town of Todmorden and forms part of the local Pennine valley landscape.
-
C.
Cheshire Basin
The Cheshire Basin is a large geological sedimentary basin in northwest England known for its thick Triassic rock sequences and associated salt deposits.
-
D.
Elan Valley reservoirs
The Elan Valley reservoirs are a series of scenic man-made lakes in mid-Wales, created in the late 19th and early 20th centuries to supply water to Birmingham and now renowned for their dams, wildlife, and outdoor recreation.
-
E.
South Calder Water
South Calder Water is a river in North Lanarkshire, Scotland, that flows through former industrial and mining areas before joining the River Clyde.
- F. None of above. chosen
Statements (42)
| Predicate | Object |
|---|---|
| instanceOf |
public water authority
ⓘ
statutory water undertaker ⓘ |
| associatedWith |
Derwent Valley reservoirs
ⓘ
linked to:
Ladybower Reservoir
Derwent Valley water scheme ⓘ
linked to:
Derwent Valley Water Board
|
| country | England ⓘ |
| dissolvedInto | successor regional water authority ⓘ |
| formedFor | public water supply ⓘ |
| fundingSource |
capital borrowing for infrastructure
ⓘ
water rates ⓘ |
| governedBy | board of appointed representatives ⓘ |
| hasJurisdictionOver | water resources in the Derwent Valley catchment ⓘ |
| hasLegalBasis | Act of Parliament establishing the board ⓘ |
| industry | water supply ⓘ |
| infrastructureTypeManaged |
aqueducts
ⓘ
reservoirs ⓘ trunk mains ⓘ water treatment works ⓘ |
| locatedIn |
Derbyshire
ⓘ
Derwent Valley ⓘ |
| mainFunction |
construction of water supply infrastructure
ⓘ
development of water supply reservoirs ⓘ management of water supply reservoirs ⓘ operation of water supply infrastructure ⓘ |
| operatedAs | non-profit public utility ⓘ |
| operatedIn | 20th century ⓘ |
| ownedBy | local authorities ⓘ |
| partOf | public water supply system of England ⓘ |
| publicAuthorityType | water board ⓘ |
| purpose |
to coordinate regional water resource development
ⓘ
to secure reliable water supplies ⓘ |
| regulates | water abstraction in Derwent Valley reservoirs ⓘ |
| regulatoryObligation |
to maintain reservoirs and associated works
ⓘ
to provide wholesome water supply ⓘ |
| regulatoryStatus | statutory board ⓘ |
| responsibleFor |
Derwent Valley reservoir system
ⓘ
linked to:
Ladybower Reservoir
major water supply to nearby urban areas ⓘ |
| sector | public sector ⓘ |
| serviceArea |
Derwent Valley region
ⓘ
linked to:
Derwent Valley
parts of Derbyshire ⓘ parts of Sheffield region ⓘ |
| subjectOf |
history of water supply in Derbyshire
ⓘ
studies of British public utilities ⓘ |
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: Derwent Valley Water Board Description of subject: The Derwent Valley Water Board was a public authority in England responsible for developing and managing major water supply reservoirs and infrastructure in the Derwent Valley region.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Derwent Valley Water Board
linked to: Derwent Valley Water Board
linked to: Derwent Valley Water Board
linked to: Derwent Valley Water Board
linked to: Derwent Valley Water Board
linked to: Derwent Valley Water Board