Mumbai water supply system
E919067
The Mumbai water supply system is the extensive network of lakes, reservoirs, treatment plants, and pipelines that provides potable water to the metropolitan region of Mumbai, India.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Mumbai water supply system canonical | 2 |
| Mumbai metropolitan hydrological system | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11321414 — 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: Mumbai water supply system Context triple: [Tulsi Lake, partOf, Mumbai water supply system]
-
A.
Hyderabad water supply system
The Hyderabad water supply system is the network of reservoirs, treatment plants, and distribution infrastructure that provides drinking water to the city of Hyderabad and its surrounding areas.
-
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.
Chandrawal Water Treatment Plant
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.
-
D.
Central Water Commission of India
The Central Water Commission of India is a premier technical organization under the Government of India responsible for the planning, development, and management of the country’s water resources, particularly in the fields of irrigation, flood control, and hydropower.
-
E.
Manjira Water Supply Scheme
Manjira Water Supply Scheme is a major drinking water project in Telangana, India, that supplies treated water from the Singur Dam reservoir to Hyderabad and surrounding areas.
- 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: Mumbai water supply system Target entity description: The Mumbai water supply system is the extensive network of lakes, reservoirs, treatment plants, and pipelines that provides potable water to the metropolitan region of Mumbai, India.
-
A.
Hyderabad water supply system
The Hyderabad water supply system is the network of reservoirs, treatment plants, and distribution infrastructure that provides drinking water to the city of Hyderabad and its surrounding areas.
-
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.
Chandrawal Water Treatment Plant
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.
-
D.
Central Water Commission of India
The Central Water Commission of India is a premier technical organization under the Government of India responsible for the planning, development, and management of the country’s water resources, particularly in the fields of irrigation, flood control, and hydropower.
-
E.
Manjira Water Supply Scheme
Manjira Water Supply Scheme is a major drinking water project in Telangana, India, that supplies treated water from the Singur Dam reservoir to Hyderabad and surrounding areas.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
infrastructure network
ⓘ
urban water supply system ⓘ |
| alsoKnownAs | Mumbai water supply ⓘ |
| country | India ⓘ |
| dependsOn | monsoon rainfall ⓘ |
| governedBy | Municipal Corporation of Greater Mumbai Water Department ⓘ |
| hasComponent |
Bhatsa Dam
ⓘ
Bhatsa Reservoir ⓘ Middle Vaitarna Dam ⓘ Modak Sagar ⓘ Powai Lake ⓘ Tansa Lake NERFINISHED ⓘ Tulsi Lake ⓘ Upper Vaitarna Dam ⓘ Vihar Lake ⓘ clear water mains ⓘ distribution pipelines ⓘ raw water transmission mains ⓘ service reservoirs ⓘ water treatment plants ⓘ |
| hasIssue |
leakage
ⓘ
non-revenue water ⓘ seasonal water scarcity ⓘ uneven distribution ⓘ |
| hasPlannedImprovement |
capacity augmentation projects
ⓘ
leakage reduction ⓘ pipeline replacement ⓘ |
| hasRisk |
contamination incidents
ⓘ
drought ⓘ |
| locatedIn | Maharashtra ⓘ |
| managedBy | Municipal Corporation of Greater Mumbai ⓘ |
| primaryRiverBasin |
Bhatsa River basin
ⓘ
linked to:
Vaitarna River basin
Vaitarna River basin ⓘ |
| purpose |
potable water supply
ⓘ
public health protection ⓘ |
| region |
Konkan division
ⓘ
linked to:
Konkan division of Maharashtra
|
| regulatedBy |
state government of Maharashtra
ⓘ
linked to:
Government of Maharashtra
|
| serves |
Mumbai
ⓘ
Mumbai Metropolitan Region ⓘ |
| suppliesTo |
commercial consumers
ⓘ
domestic consumers ⓘ industrial consumers ⓘ |
| usesProcess |
chlorination
ⓘ
coagulation and flocculation ⓘ filtration ⓘ water treatment ⓘ |
| waterSource |
dams
ⓘ
lakes ⓘ rivers in Western Ghats ⓘ 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: Mumbai water supply system Description of subject: The Mumbai water supply system is the extensive network of lakes, reservoirs, treatment plants, and pipelines that provides potable water to the metropolitan region of Mumbai, India.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Mumbai water supply system