Durham municipal water supply system
E558435
The Durham municipal water supply system is the network of reservoirs, treatment facilities, and distribution infrastructure that provides drinking water to the city of Durham, North Carolina and surrounding areas.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Durham municipal water supply system canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5966256 — 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: Durham municipal water supply system Context triple: [Little River Reservoir, partOf, Durham municipal water supply system]
-
A.
Cambridge water supply system
The Cambridge water supply system is the municipal infrastructure network that sources, treats, stores, and distributes drinking water to the city of Cambridge, Massachusetts.
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B.
Metropolitan Water Works system
The Metropolitan Water Works system is a historic public water supply network that provided drinking water to the Boston metropolitan area through an extensive system of reservoirs, aqueducts, and related infrastructure.
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C.
Croton Reservoir system
The Croton Reservoir system is a network of reservoirs and related infrastructure in New York that forms a major component of the New York City water supply.
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D.
Fayette County water supply system
The Fayette County water supply system is the public infrastructure network that provides treated drinking water to residents and businesses throughout Fayette County, Georgia.
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E.
Chew Valley water supply system
The Chew Valley water supply system is an integrated network of reservoirs, treatment works, and pipelines in the Chew Valley area that provides potable water to surrounding communities.
- 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: Durham municipal water supply system Target entity description: The Durham municipal water supply system is the network of reservoirs, treatment facilities, and distribution infrastructure that provides drinking water to the city of Durham, North Carolina and surrounding areas.
-
A.
Cambridge water supply system
The Cambridge water supply system is the municipal infrastructure network that sources, treats, stores, and distributes drinking water to the city of Cambridge, Massachusetts.
-
B.
Metropolitan Water Works system
The Metropolitan Water Works system is a historic public water supply network that provided drinking water to the Boston metropolitan area through an extensive system of reservoirs, aqueducts, and related infrastructure.
-
C.
Croton Reservoir system
The Croton Reservoir system is a network of reservoirs and related infrastructure in New York that forms a major component of the New York City water supply.
-
D.
Fayette County water supply system
The Fayette County water supply system is the public infrastructure network that provides treated drinking water to residents and businesses throughout Fayette County, Georgia.
-
E.
Chew Valley water supply system
The Chew Valley water supply system is an integrated network of reservoirs, treatment works, and pipelines in the Chew Valley area that provides potable water to surrounding communities.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf | municipal water supply system ⓘ |
| aimsTo | provide safe and reliable drinking water ⓘ |
| country | United States of America ⓘ |
| hasPart |
Brown Water Treatment Plant
NERFINISHED
ⓘ
Lake Michie Reservoir NERFINISHED ⓘ Little River Reservoir NERFINISHED ⓘ Williams Water Treatment Plant NERFINISHED ⓘ finished water transmission lines ⓘ pumping stations ⓘ raw water intake structures ⓘ water distribution mains ⓘ water storage tanks ⓘ |
| implementsPolicy |
drought response plans
ⓘ
water conservation measures ⓘ |
| infrastructureType |
distribution network
ⓘ
pumping and booster stations ⓘ reservoirs ⓘ storage facilities ⓘ water treatment plants ⓘ |
| locatedInAdministrativeTerritorialEntity |
Durham County, North Carolina
NERFINISHED
ⓘ
Orange County, North Carolina NERFINISHED ⓘ |
| maintains | water pressure for fire protection ⓘ |
| monitors | water quality parameters ⓘ |
| operator | City of Durham Department of Water Management NERFINISHED ⓘ |
| ownedBy | City of Durham NERFINISHED ⓘ |
| publishes | annual Consumer Confidence Report ⓘ |
| regulatedBy |
North Carolina Department of Environmental Quality
NERFINISHED
ⓘ
United States Environmental Protection Agency NERFINISHED ⓘ |
| servesCity | Durham, North Carolina NERFINISHED ⓘ |
| serviceAreaIncludes |
portions of Durham County outside city limits
ⓘ
selected surrounding communities near Durham, North Carolina ⓘ |
| subjectTo |
Safe Drinking Water Act
NERFINISHED
ⓘ
federal drinking water standards ⓘ state drinking water standards ⓘ |
| supplies |
drinking water
ⓘ
potable water for domestic use ⓘ water for commercial customers ⓘ water for industrial customers ⓘ water for institutional customers ⓘ |
| usesProcess |
coagulation
ⓘ
disinfection ⓘ filtration ⓘ flocculation ⓘ sedimentation ⓘ |
| waterSource | surface water ⓘ |
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: Durham municipal water supply system Description of subject: The Durham municipal water supply system is the network of reservoirs, treatment facilities, and distribution infrastructure that provides drinking water to the city of Durham, North Carolina and surrounding areas.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.