Mettur Dam
E64962
Mettur Dam is a major masonry dam in Tamil Nadu, India, built across the Kaveri River and known for its large reservoir and role in irrigation and power generation.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Mettur Dam canonical | 12 |
| Mettur Hydroelectric Power Station | 3 |
| Mettur Dam park | 1 |
| Mettur Reservoir | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T516575 — 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: Mettur Dam Context triple: [Kaveri, hasDam, Mettur Dam]
-
A.
Krishna Raja Sagara Dam
Krishna Raja Sagara Dam is a major masonry dam in Karnataka, India, built across the Kaveri River and known for forming the large KRS reservoir and the Brindavan Gardens.
-
B.
Indira Sagar Dam
Indira Sagar Dam is a large multipurpose concrete dam on the Narmada River in Madhya Pradesh, India, known for its significant hydroelectric power generation and irrigation capacity.
-
C.
Omkareshwar Dam
Omkareshwar Dam is a major hydroelectric and irrigation dam built on the Narmada River in the Indian state of Madhya Pradesh.
-
D.
Srisailam Dam
Srisailam Dam is a major hydroelectric and irrigation dam in Andhra Pradesh, India, built across the Krishna River and known for its large reservoir and role in regional water management.
-
E.
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.
- 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: Mettur Dam Target entity description: Mettur Dam is a major masonry dam in Tamil Nadu, India, built across the Kaveri River and known for its large reservoir and role in irrigation and power generation.
-
A.
Krishna Raja Sagara Dam
Krishna Raja Sagara Dam is a major masonry dam in Karnataka, India, built across the Kaveri River and known for forming the large KRS reservoir and the Brindavan Gardens.
-
B.
Indira Sagar Dam
Indira Sagar Dam is a large multipurpose concrete dam on the Narmada River in Madhya Pradesh, India, known for its significant hydroelectric power generation and irrigation capacity.
-
C.
Omkareshwar Dam
Omkareshwar Dam is a major hydroelectric and irrigation dam built on the Narmada River in the Indian state of Madhya Pradesh.
-
D.
Srisailam Dam
Srisailam Dam is a major hydroelectric and irrigation dam in Andhra Pradesh, India, built across the Krishna River and known for its large reservoir and role in regional water management.
-
E.
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.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
dam
ⓘ
gravity dam ⓘ masonry dam ⓘ |
| alsoKnownAs | Stanley Reservoir Dam ⓘ |
| basinCountry | India ⓘ |
| constructionPeriod | British colonial period ⓘ |
| constructionStartDate | 1925 ⓘ |
| country | India ⓘ |
| districtHeadquartersNearest | Salem ⓘ |
| downstreamCityBenefited | Tiruchirappalli ⓘ |
| downstreamRegionBenefited |
Kaveri River Delta
ⓘ
surface form:
Cauvery delta districts of Tamil Nadu
|
| formsReservoir | Stanley Reservoir ⓘ |
| hasHydroelectricPlant |
Mettur Dam
self-linksurface differs
ⓘ
surface form:
Mettur Hydroelectric Power Station
|
| hasSpillway | yes ⓘ |
| height | approximately 65 meters ⓘ |
| inaugurationDate | 1934 ⓘ |
| length | approximately 1700 meters ⓘ |
| locatedIn |
Salem district
ⓘ
Tamil Nadu ⓘ |
| locatedNear | Mettur ⓘ |
| locatedOnRiver |
Kaveri
ⓘ
surface form:
Kaveri River
|
| material |
concrete
ⓘ
masonry ⓘ |
| namedAfter | Sir George Frederick Stanley ⓘ |
| opened | 1934 ⓘ |
| operator |
Government of Tamil Nadu
ⓘ
Tamil Nadu Public Works Department ⓘ |
| powerGenerationType | hydroelectric ⓘ |
| purpose |
flood control
ⓘ
hydroelectric power generation ⓘ irrigation ⓘ water supply ⓘ |
| region | South India ⓘ |
| reservoirLocation | Mettur ⓘ |
| reservoirName | Stanley Reservoir ⓘ |
| reservoirState | Tamil Nadu ⓘ |
| riverBasin |
Kaveri
ⓘ
surface form:
Kaveri basin
|
| significance |
important hydroelectric power source in Tamil Nadu
ⓘ
major source of irrigation water for Tamil Nadu ⓘ one of the largest dams in India at the time of its completion ⓘ |
| spillwayType | gated spillway ⓘ |
| state | Tamil Nadu ⓘ |
| tourism | popular tourist attraction ⓘ |
| usedForIrrigationOf |
Kaveri River Delta
ⓘ
surface form:
Cauvery delta region
parts of Erode district ⓘ parts of Namakkal district ⓘ parts of Salem district ⓘ |
| waterSource | Southwest monsoon rains in Kaveri basin ⓘ |
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: Mettur Dam Description of subject: Mettur Dam is a major masonry dam in Tamil Nadu, India, built across the Kaveri River and known for its large reservoir and role in irrigation and power generation.
Referenced by (17)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Mettur Hydroelectric Power Station
this entity surface form:
Mettur Reservoir
this entity surface form:
Mettur Hydroelectric Power Station
this entity surface form:
Mettur Dam park
this entity surface form:
Mettur Hydroelectric Power Station