Chandrawal Water Treatment Plant
E204147
Chandrawal Water Treatment Plant is one of Delhi’s major water treatment facilities, processing raw water from the Yamuna River to supply potable water to the city.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Chandrawal Water Treatment Plant canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1805229 — 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: Chandrawal Water Treatment Plant Context triple: [Wazirabad Barrage, connectedTo, Chandrawal Water Treatment Plant]
-
A.
Nangal Dam
Nangal Dam is a hydroelectric and irrigation dam located on the Sutlej River in the Indian state of Punjab.
-
B.
Hathni Kund Barrage
Hathni Kund Barrage is a major diversion and flood-control structure on the Yamuna River in the Indian state of Haryana, crucial for regulating water supply to northern India.
-
C.
Okhla Barrage
Okhla Barrage is a major dam and bridge structure on the Yamuna River near Delhi, India, used for irrigation, flood control, and regulating water flow.
-
D.
Kishanganga Hydroelectric Plant
The Kishanganga Hydroelectric Plant is a run-of-the-river hydroelectric power station in Jammu and Kashmir, India, built on a tributary of the Jhelum to generate electricity and support regional water management.
-
E.
Nathpa Jhakri Dam
Nathpa Jhakri Dam is a major hydroelectric dam and power project in Himachal Pradesh, India, known as one of the country’s largest underground hydroelectric installations.
- 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: Chandrawal Water Treatment Plant Target entity description: Chandrawal Water Treatment Plant is one of Delhi’s major water treatment facilities, processing raw water from the Yamuna River to supply potable water to the city.
-
A.
Nangal Dam
Nangal Dam is a hydroelectric and irrigation dam located on the Sutlej River in the Indian state of Punjab.
-
B.
Hathni Kund Barrage
Hathni Kund Barrage is a major diversion and flood-control structure on the Yamuna River in the Indian state of Haryana, crucial for regulating water supply to northern India.
-
C.
Okhla Barrage
Okhla Barrage is a major dam and bridge structure on the Yamuna River near Delhi, India, used for irrigation, flood control, and regulating water flow.
-
D.
Kishanganga Hydroelectric Plant
The Kishanganga Hydroelectric Plant is a run-of-the-river hydroelectric power station in Jammu and Kashmir, India, built on a tributary of the Jhelum to generate electricity and support regional water management.
-
E.
Nathpa Jhakri Dam
Nathpa Jhakri Dam is a major hydroelectric dam and power project in Himachal Pradesh, India, known as one of the country’s largest underground hydroelectric installations.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
infrastructure facility
ⓘ
water treatment plant ⓘ |
| compliesWithStandard | IS 10500 (drinking water specification) ⓘ |
| country | India ⓘ |
| environmentalImpact | treated effluent discharge into Yamuna basin ⓘ |
| hasProcess |
coagulation
ⓘ
disinfection ⓘ filtration ⓘ flocculation ⓘ sedimentation ⓘ |
| infrastructureType | municipal utility ⓘ |
| isPartOf |
Delhi water supply system
ⓘ
linked to:
Delhi Jal Board
|
| locatedIn |
Delhi
ⓘ
National Capital Territory of Delhi ⓘ North Delhi ⓘ |
| operatedBy | Delhi Jal Board ⓘ |
| ownedBy | Delhi Jal Board ⓘ |
| purpose |
drinking water treatment
ⓘ
potable water supply ⓘ |
| regionServed |
Delhi urban area
ⓘ
linked to:
Delhi
|
| regulatoryJurisdiction |
Bureau of Indian Standards
ⓘ
Central Pollution Control Board ⓘ Government of Delhi ⓘ |
| sector | urban water supply ⓘ |
| servesFunction |
public health protection
ⓘ
urban infrastructure support ⓘ |
| suppliesWaterTo | Delhi ⓘ |
| usesRawWaterFrom |
Yamuna River
ⓘ
linked to:
Yamuna
|
| waterSourceType | 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: Chandrawal Water Treatment Plant Description of subject: Chandrawal Water Treatment Plant is one of Delhi’s major water treatment facilities, processing raw water from the Yamuna River to supply potable water to the city.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.