Des Moines Water Works
E709407
Des Moines Water Works is a public utility that provides drinking water and related services to residents and businesses in the Des Moines, Iowa metropolitan area.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Des Moines Water Works canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8062113 — 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: Des Moines Water Works Context triple: [Raccoon River, waterSourceFor, Des Moines Water Works]
-
A.
Iowa Falls
Iowa Falls is a small city in central Iowa known for its scenic location along the Iowa River and historic downtown.
-
B.
Des Moines Airport Authority
Des Moines Airport Authority is the governing body responsible for managing and overseeing operations and development at Des Moines International Airport in Iowa.
-
C.
Hiawatha, Iowa
Hiawatha, Iowa is a small suburban city in eastern Iowa, located just north of Cedar Rapids and known for its residential communities and local businesses.
-
D.
Davenport, Iowa
Davenport, Iowa is a major city along the Mississippi River in eastern Iowa, known as part of the Quad Cities metropolitan area and a regional hub for commerce and culture.
-
E.
Des Moines Marina
Des Moines Marina is a public waterfront marina in Des Moines, Washington, providing moorage, boating access, and recreational amenities on Puget Sound.
- 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: Des Moines Water Works Target entity description: Des Moines Water Works is a public utility that provides drinking water and related services to residents and businesses in the Des Moines, Iowa metropolitan area.
-
A.
Iowa Falls
Iowa Falls is a small city in central Iowa known for its scenic location along the Iowa River and historic downtown.
-
B.
Des Moines Airport Authority
Des Moines Airport Authority is the governing body responsible for managing and overseeing operations and development at Des Moines International Airport in Iowa.
-
C.
Hiawatha, Iowa
Hiawatha, Iowa is a small suburban city in eastern Iowa, located just north of Cedar Rapids and known for its residential communities and local businesses.
-
D.
Davenport, Iowa
Davenport, Iowa is a major city along the Mississippi River in eastern Iowa, known as part of the Quad Cities metropolitan area and a regional hub for commerce and culture.
-
E.
Des Moines Marina
Des Moines Marina is a public waterfront marina in Des Moines, Washington, providing moorage, boating access, and recreational amenities on Puget Sound.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
drinking water provider
ⓘ
public utility ⓘ water utility ⓘ |
| alsoKnownAs | DMWW ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| followsStandard |
Iowa Department of Natural Resources regulations
ⓘ
Safe Drinking Water Act ⓘ U.S. Environmental Protection Agency drinking water regulations ⓘ |
| governedBy | board of trustees ⓘ |
| hasCustomerService |
billing and account services
ⓘ
water service connections and disconnections ⓘ |
| hasFacility |
pumping stations
ⓘ
water distribution system ⓘ water storage facilities ⓘ water treatment plant ⓘ |
| hasType | municipal water utility ⓘ |
| headquartersLocation | Des Moines, Iowa ⓘ |
| industry |
public utilities
ⓘ
water supply ⓘ |
| jurisdiction |
City of Des Moines
ⓘ
linked to:
Des Moines, Iowa
surrounding suburban communities ⓘ |
| languageOfWorkOrName | English ⓘ |
| locatedIn | Des Moines, Iowa ⓘ |
| offersProgram |
customer education on water quality
ⓘ
water conservation programs ⓘ |
| operatesInTimeZone | Central Time Zone ⓘ |
| ownedBy |
City of Des Moines
ⓘ
linked to:
Des Moines, Iowa
|
| providesService |
drinking water
ⓘ
fire protection water supply ⓘ water distribution ⓘ water treatment ⓘ |
| region | Midwestern United States ⓘ |
| regulates | water quality for its service area ⓘ |
| serviceArea |
Dallas County, Iowa
ⓘ
Des Moines metropolitan area ⓘ
linked to:
Des Moines–West Des Moines metropolitan area
Polk County, Iowa ⓘ Warren County, Iowa ⓘ |
| state | Iowa ⓘ |
| subjectOf | legal and regulatory disputes over agricultural runoff and water quality ⓘ |
| suppliesTo |
commercial customers
ⓘ
industrial customers ⓘ residential customers ⓘ wholesale water customers ⓘ |
| waterSource |
Des Moines River
ⓘ
Raccoon River ⓘ groundwater wells ⓘ |
| website | https://www.dmww.com/ ⓘ |
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: Des Moines Water Works Description of subject: Des Moines Water Works is a public utility that provides drinking water and related services to residents and businesses in the Des Moines, Iowa metropolitan area.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.