Don Pedro Dam
E558806
Don Pedro Dam is a major embankment dam on the Tuolumne River in California, forming Don Pedro Reservoir and serving as a key source of water storage, hydroelectric power, and recreation in the region.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Don Pedro Dam canonical | 3 |
| Old Don Pedro Dam | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5573792 — 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: Don Pedro Dam Context triple: [La Grange Dam, near, Don Pedro Dam]
-
A.
San Carlos Dam
San Carlos Dam is a major concrete gravity dam in Arizona that creates San Carlos Lake and provides irrigation water, flood control, and hydroelectric power along the Gila River.
-
B.
Piedra del Águila Dam
Piedra del Águila Dam is a major hydroelectric dam in Argentine Patagonia, known for its large power-generating capacity and role in regulating the Limay River.
-
C.
San Roque Dam
San Roque Dam is one of the largest dams in the Philippines, serving as a major source of hydroelectric power, irrigation, and flood control in the Luzon region.
-
D.
El Quimbo Dam
El Quimbo Dam is a large hydroelectric dam on the Magdalena River in Colombia, built to generate power and support the country’s energy supply.
-
E.
Angostura Dam
Angostura Dam is a hydroelectric power facility located on Chile’s Biobío River, contributing to the country’s renewable energy generation.
- 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: Don Pedro Dam Target entity description: Don Pedro Dam is a major embankment dam on the Tuolumne River in California, forming Don Pedro Reservoir and serving as a key source of water storage, hydroelectric power, and recreation in the region.
-
A.
San Carlos Dam
San Carlos Dam is a major concrete gravity dam in Arizona that creates San Carlos Lake and provides irrigation water, flood control, and hydroelectric power along the Gila River.
-
B.
Piedra del Águila Dam
Piedra del Águila Dam is a major hydroelectric dam in Argentine Patagonia, known for its large power-generating capacity and role in regulating the Limay River.
-
C.
San Roque Dam
San Roque Dam is one of the largest dams in the Philippines, serving as a major source of hydroelectric power, irrigation, and flood control in the Luzon region.
-
D.
El Quimbo Dam
El Quimbo Dam is a large hydroelectric dam on the Magdalena River in Colombia, built to generate power and support the country’s energy supply.
-
E.
Angostura Dam
Angostura Dam is a hydroelectric power facility located on Chile’s Biobío River, contributing to the country’s renewable energy generation.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf | embankment dam ⓘ |
| alsoKnownAs | New Don Pedro Dam NERFINISHED ⓘ |
| basinCountry |
United States of America
ⓘ
surface form:
United States
|
| country |
United States of America
ⓘ
surface form:
United States
|
| countrySubdivision | California NERFINISHED ⓘ |
| downstreamOf | Hetch Hetchy system releases on Tuolumne River ⓘ |
| formsReservoir | Don Pedro Reservoir NERFINISHED ⓘ |
| hasFeature | large storage capacity reservoir ⓘ |
| hasFunction |
drought water storage
ⓘ
peak power generation ⓘ regulation of Tuolumne River flows ⓘ |
| hasPowerPlant | Don Pedro Dam hydroelectric power plant NERFINISHED ⓘ |
| hasRecreationArea | Don Pedro Recreation Area NERFINISHED ⓘ |
| hasReservoirUse |
agricultural water supply
ⓘ
boating ⓘ camping ⓘ fishing ⓘ municipal water supply ⓘ |
| impounds | Tuolumne River NERFINISHED ⓘ |
| isKeyWaterSourceFor |
Modesto Irrigation District service area
ⓘ
Turlock Irrigation District service area ⓘ |
| isMajorInfrastructureFor | Central Valley Project area (local irrigation districts) NERFINISHED ⓘ |
| locatedIn | Tuolumne County, California NERFINISHED ⓘ |
| locatedInHydrologicRegion | San Joaquin River watershed NERFINISHED ⓘ |
| locatedOnRiver | Tuolumne River NERFINISHED ⓘ |
| managingAgency |
Modesto Irrigation District
NERFINISHED
ⓘ
Turlock Irrigation District NERFINISHED ⓘ |
| nearCity | La Grange, California NERFINISHED ⓘ |
| owner |
Modesto Irrigation District
NERFINISHED
ⓘ
Turlock Irrigation District NERFINISHED ⓘ |
| partOf | Tuolumne River water system NERFINISHED ⓘ |
| powerPlantType | conventional hydroelectric ⓘ |
| purpose |
flood control
ⓘ
hydroelectric power generation ⓘ irrigation supply ⓘ recreation ⓘ water storage ⓘ |
| regionServed |
Merced County, California
NERFINISHED
ⓘ
San Joaquin Valley NERFINISHED ⓘ Stanislaus County, California NERFINISHED ⓘ |
| replacedStructure | Old Don Pedro Dam NERFINISHED ⓘ |
| state |
California, United States
ⓘ
surface form:
California
|
| supportsActivity |
camping around Don Pedro Reservoir
ⓘ
recreational boating ⓘ sport fishing ⓘ waterskiing ⓘ |
| upstreamOf | La Grange Dam NERFINISHED ⓘ |
| watercourse | Tuolumne River NERFINISHED ⓘ |
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: Don Pedro Dam Description of subject: Don Pedro Dam is a major embankment dam on the Tuolumne River in California, forming Don Pedro Reservoir and serving as a key source of water storage, hydroelectric power, and recreation in the region.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Old Don Pedro Dam