Monroe Street Dam
E509498
Monroe Street Dam is a historic hydroelectric dam on the Spokane River in downtown Spokane, Washington, known for harnessing Spokane Falls to generate power.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Monroe Street Dam canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T5219846 — 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: Monroe Street Dam Context triple: [Spokane Falls, hasHydroelectricFacility, Monroe Street Dam]
-
A.
Harris Station Dam
Harris Station Dam is a large hydroelectric dam in Maine that forms Indian Pond and serves as a major power-generating facility on the Kennebec River.
-
B.
River Mill Dam
River Mill Dam is a hydroelectric dam on the Clackamas River in Oregon, known for power generation and its role in regional water management.
-
C.
Macomb’s Dam
Macomb’s Dam was a historic Harlem River crossing in New York City that preceded and was ultimately superseded by the Macombs Dam Bridge.
-
D.
Shawmut Dam
Shawmut Dam is a hydroelectric dam located on Maine’s Kennebec River, used for power generation and river flow management.
-
E.
Mount Morris Dam
Mount Morris Dam is a large concrete flood-control dam on the Genesee River in western New York, known for protecting downstream communities from flooding and serving as a prominent feature of Letchworth State Park.
- 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: Monroe Street Dam Target entity description: Monroe Street Dam is a historic hydroelectric dam on the Spokane River in downtown Spokane, Washington, known for harnessing Spokane Falls to generate power.
-
A.
Harris Station Dam
Harris Station Dam is a large hydroelectric dam in Maine that forms Indian Pond and serves as a major power-generating facility on the Kennebec River.
-
B.
River Mill Dam
River Mill Dam is a hydroelectric dam on the Clackamas River in Oregon, known for power generation and its role in regional water management.
-
C.
Macomb’s Dam
Macomb’s Dam was a historic Harlem River crossing in New York City that preceded and was ultimately superseded by the Macombs Dam Bridge.
-
D.
Shawmut Dam
Shawmut Dam is a hydroelectric dam located on Maine’s Kennebec River, used for power generation and river flow management.
-
E.
Mount Morris Dam
Mount Morris Dam is a large concrete flood-control dam on the Genesee River in western New York, known for protecting downstream communities from flooding and serving as a prominent feature of Letchworth State Park.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
historic structure
ⓘ
hydroelectric dam ⓘ |
| builtBy | Washington Water Power Company NERFINISHED ⓘ |
| city | Spokane NERFINISHED ⓘ |
| contributesTo | electricity supply of Spokane area ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| crosses | Spokane River NERFINISHED ⓘ |
| currentUtilityCompany | Avista Corporation NERFINISHED ⓘ |
| energySource | hydropower ⓘ |
| formerlyKnownAs | Washington Water Power Company Dam NERFINISHED ⓘ |
| gridConnection | regional power grid ⓘ |
| harnesses | Spokane Falls NERFINISHED ⓘ |
| hasFeature |
arched powerhouse building
ⓘ
concrete gravity dam structure ⓘ spillway over Spokane Falls ⓘ |
| hasFishImpact | impedes upstream fish passage on Spokane River ⓘ |
| hasHistoricalSignificance |
early hydroelectric development in Spokane
ⓘ
industrial development of downtown Spokane ⓘ |
| hasPowerhouse | Monroe Street Dam Powerhouse NERFINISHED ⓘ |
| hasRecreationalContext | adjacent to urban park and walking paths ⓘ |
| hasViewpoint | overlooks Spokane Falls ⓘ |
| installedCapacity | about 15 megawatts ⓘ |
| isSubjectOf |
interpretive signage in Riverfront Park
ⓘ
local historical tours ⓘ |
| isTouristAttraction | true ⓘ |
| listedAs | historic hydroelectric facility ⓘ |
| locatedIn |
Spokane, Washington
NERFINISHED
ⓘ
downtown Spokane NERFINISHED ⓘ |
| locatedOn | Spokane River NERFINISHED ⓘ |
| near |
Monroe Street Bridge
NERFINISHED
ⓘ
Riverfront Park NERFINISHED ⓘ Spokane Falls NERFINISHED ⓘ |
| operator | Avista Utilities NERFINISHED ⓘ |
| originalCommissioningDate | 1890 ⓘ |
| originalConstructionStartDate | 1890 ⓘ |
| owner | Avista Utilities NERFINISHED ⓘ |
| partOf | Spokane River hydropower system NERFINISHED ⓘ |
| purpose | hydroelectric power generation ⓘ |
| reconstructionDate | 1910 ⓘ |
| region | Inland Northwest NERFINISHED ⓘ |
| riverBasin | Columbia River Basin NERFINISHED ⓘ |
| safetyClassification | high hazard potential (typical for urban dams) ⓘ |
| state | Washington ⓘ |
| visibleFrom | Riverfront Park NERFINISHED ⓘ |
| watercourse | Spokane River NERFINISHED ⓘ |
| yearCompleted | 1910 ⓘ |
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: Monroe Street Dam Description of subject: Monroe Street Dam is a historic hydroelectric dam on the Spokane River in downtown Spokane, Washington, known for harnessing Spokane Falls to generate power.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.