Tamil Nadu Water Supply and Drainage Board
E826645
The Tamil Nadu Water Supply and Drainage Board is a state government agency responsible for planning, developing, and managing water supply and sewerage infrastructure across Tamil Nadu, India.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Tamil Nadu Water Supply and Drainage Board canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9873725 — 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: Tamil Nadu Water Supply and Drainage Board Context triple: [Tamil Nadu Municipal Administration and Water Supply Department, worksWith, Tamil Nadu Water Supply and Drainage Board]
-
A.
Tamil Nadu Municipal Administration and Water Supply Department
The Tamil Nadu Municipal Administration and Water Supply Department is a state government department responsible for overseeing urban local bodies and managing water supply and sanitation services across Tamil Nadu.
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B.
Tamil Nadu Water Resources Department
The Tamil Nadu Water Resources Department is the state government agency responsible for managing, developing, and regulating water resources, including irrigation and flood control, across Tamil Nadu.
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C.
Tamil Nadu Public Works Department
The Tamil Nadu Public Works Department is the state government agency responsible for planning, constructing, and maintaining public infrastructure such as buildings, roads, and irrigation systems in Tamil Nadu, India.
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D.
Tamil Nadu Pollution Control Board
The Tamil Nadu Pollution Control Board is a state government regulatory body responsible for monitoring, controlling, and preventing environmental pollution across Tamil Nadu.
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E.
Tamil Nadu Housing Board
The Tamil Nadu Housing Board is a state government agency responsible for planning and developing affordable residential and related infrastructure projects across Tamil Nadu.
- 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: Tamil Nadu Water Supply and Drainage Board Target entity description: The Tamil Nadu Water Supply and Drainage Board is a state government agency responsible for planning, developing, and managing water supply and sewerage infrastructure across Tamil Nadu, India.
-
A.
Tamil Nadu Municipal Administration and Water Supply Department
The Tamil Nadu Municipal Administration and Water Supply Department is a state government department responsible for overseeing urban local bodies and managing water supply and sanitation services across Tamil Nadu.
-
B.
Tamil Nadu Water Resources Department
The Tamil Nadu Water Resources Department is the state government agency responsible for managing, developing, and regulating water resources, including irrigation and flood control, across Tamil Nadu.
-
C.
Tamil Nadu Public Works Department
The Tamil Nadu Public Works Department is the state government agency responsible for planning, constructing, and maintaining public infrastructure such as buildings, roads, and irrigation systems in Tamil Nadu, India.
-
D.
Tamil Nadu Pollution Control Board
The Tamil Nadu Pollution Control Board is a state government regulatory body responsible for monitoring, controlling, and preventing environmental pollution across Tamil Nadu.
-
E.
Tamil Nadu Housing Board
The Tamil Nadu Housing Board is a state government agency responsible for planning and developing affordable residential and related infrastructure projects across Tamil Nadu.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
state government agency
ⓘ
statutory board ⓘ water supply authority ⓘ |
| collaboratesWith |
local bodies in Tamil Nadu
ⓘ
municipal corporations in Tamil Nadu ⓘ panchayats in Tamil Nadu ⓘ |
| country | India ⓘ |
| fieldOfWork |
public health engineering
ⓘ
water resources management ⓘ |
| followsPolicy |
sanitation policies of Government of Tamil Nadu
ⓘ
water supply policies of Government of Tamil Nadu ⓘ |
| fundingSource |
Government of India schemes for water and sanitation
NERFINISHED
ⓘ
Government of Tamil Nadu budget allocations ⓘ |
| goal |
improvement of sewerage services in Tamil Nadu
ⓘ
provision of safe drinking water in Tamil Nadu ⓘ |
| headquartersLocation | Chennai NERFINISHED ⓘ |
| jurisdiction | Government of Tamil Nadu NERFINISHED ⓘ |
| languageOfWork |
English
ⓘ
Tamil ⓘ |
| legalStatus | statutory body under the Government of Tamil Nadu ⓘ |
| locatedInTimeZone | Indian Standard Time ⓘ |
| mandate |
develop and maintain sewerage systems in Tamil Nadu
ⓘ
ensure adequate and safe water supply to communities in Tamil Nadu ⓘ |
| operatesInTerritory | Tamil Nadu NERFINISHED ⓘ |
| parentOrganization | Municipal Administration and Water Supply Department, Government of Tamil Nadu NERFINISHED ⓘ |
| regionServed |
rural areas of Tamil Nadu
ⓘ
urban areas of Tamil Nadu ⓘ |
| responsibleFor |
sewerage infrastructure development in Tamil Nadu
ⓘ
sewerage infrastructure management in Tamil Nadu ⓘ sewerage infrastructure planning in Tamil Nadu ⓘ water supply infrastructure development in Tamil Nadu ⓘ water supply infrastructure management in Tamil Nadu ⓘ water supply infrastructure planning in Tamil Nadu ⓘ |
| sector |
sanitation
ⓘ
sewerage ⓘ water supply ⓘ |
| serviceType |
design of sewerage schemes
ⓘ
design of water supply schemes ⓘ implementation of sewerage schemes ⓘ implementation of water supply schemes ⓘ operation and maintenance of sewerage schemes ⓘ operation and maintenance of water supply schemes ⓘ |
| shortName | TWAD Board NERFINISHED ⓘ |
| state | Tamil Nadu ⓘ |
| typeOfOrganization | public sector organization ⓘ |
| website | https://www.twadboard.tn.gov.in/ ⓘ |
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: Tamil Nadu Water Supply and Drainage Board Description of subject: The Tamil Nadu Water Supply and Drainage Board is a state government agency responsible for planning, developing, and managing water supply and sewerage infrastructure across Tamil Nadu, India.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
Tamil Nadu Municipal Administration and Water Supply Department
→
worksWith
→
Tamil Nadu Water Supply and Drainage Board
ⓘ