Arrowrock Dam

E941243

Arrowrock Dam is an early 20th-century concrete arch dam in Idaho, notable for its role in irrigation, flood control, and hydroelectric power generation in the Boise River basin.

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All labels observed (1)

Label Occurrences
Arrowrock Dam canonical 1

Statements (49)

Predicate Object
instanceOf concrete arch dam
dam
gravity arch dam
architecturalStyle concrete arch
basinCountry United States of America
surface form: United States
category Arch dams
Dams in Idaho
United States Bureau of Reclamation dams
constructionBegan 1911
country United States of America
surface form: United States
designedBy United States Bureau of Reclamation NERFINISHED
elevationAtCrest approximately 3,220 feet above sea level
hasReservoir Arrowrock Reservoir NERFINISHED
hasSpillway yes
height approximately 350 feet
historicalPeriod early 20th century
isPartOf Boise River irrigation system NERFINISHED
length approximately 1,150 feet
locatedIn Boise County, Idaho NERFINISHED
Boise River NERFINISHED
Idaho
United States of America
surface form: United States
locatedInProtectedArea Boise National Forest NERFINISHED
locatedNear Boise, Idaho NERFINISHED
locatedUpstreamOf Anderson Ranch Dam NERFINISHED
Lucky Peak Dam NERFINISHED
managesWaterFor Boise River basin NERFINISHED
materialUsed concrete
nearbyCity Boise, Idaho NERFINISHED
nearbyCommunity Arrowrock, Idaho (historic site) NERFINISHED
notableFor being one of the highest dams in the world at the time of completion
openingDate 1915
operator United States Bureau of Reclamation NERFINISHED
owner United States Bureau of Reclamation NERFINISHED
partOf Boise Project NERFINISHED
provides flow regulation
hydropower
water storage
purpose flood control
hydroelectric power generation
irrigation
regionServed Treasure Valley, Idaho NERFINISHED
reservoirCapacity approximately 286,000 acre-feet
reservoirName Arrowrock Reservoir NERFINISHED
riverCrossed Boise River NERFINISHED
spillwayType overflow spillway
usedFor downstream flood control
downstream irrigation supply
hydroelectric power production

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: Arrowrock Dam
Description of subject: Arrowrock Dam is an early 20th-century concrete arch dam in Idaho, notable for its role in irrigation, flood control, and hydroelectric power generation in the Boise River basin.

Referenced by (1)

Full triples — surface form annotated when it differs from this entity's canonical label.

Boise River hasDam Arrowrock Dam