Milwaukee Metropolitan Sewerage District
E523201
The Milwaukee Metropolitan Sewerage District is a regional government agency responsible for wastewater treatment, flood management, and water quality protection in the Milwaukee, Wisconsin area.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Board of Commissioners of the Milwaukee Metropolitan Sewerage District | 1 |
| Milwaukee Metropolitan Sewerage District canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5465526 — 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: Milwaukee Metropolitan Sewerage District Context triple: [Menomonee River, managedBy, Milwaukee Metropolitan Sewerage District]
-
A.
Metropolitan Water Reclamation District of Greater Chicago
The Metropolitan Water Reclamation District of Greater Chicago is a special-purpose governmental agency responsible for wastewater treatment, stormwater management, and flood control across the Chicago metropolitan area.
-
B.
Detroit Water and Sewerage Department
The Detroit Water and Sewerage Department is the municipal agency responsible for providing water and wastewater services to Detroit and several surrounding communities.
-
C.
Milwaukee
Milwaukee is the largest city in Wisconsin, known for its brewing traditions, industrial history, and location on the western shore of Lake Michigan.
-
D.
City of Wauwatosa
The City of Wauwatosa is a suburban municipality in southeastern Wisconsin known for its residential neighborhoods, commercial districts, and proximity to Milwaukee.
-
E.
Milwaukee Harbor
Milwaukee Harbor is a commercial and recreational port area on Lake Michigan serving the city of Milwaukee, Wisconsin.
- 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: Milwaukee Metropolitan Sewerage District Target entity description: The Milwaukee Metropolitan Sewerage District is a regional government agency responsible for wastewater treatment, flood management, and water quality protection in the Milwaukee, Wisconsin area.
-
A.
Metropolitan Water Reclamation District of Greater Chicago
The Metropolitan Water Reclamation District of Greater Chicago is a special-purpose governmental agency responsible for wastewater treatment, stormwater management, and flood control across the Chicago metropolitan area.
-
B.
Detroit Water and Sewerage Department
The Detroit Water and Sewerage Department is the municipal agency responsible for providing water and wastewater services to Detroit and several surrounding communities.
-
C.
Milwaukee
Milwaukee is the largest city in Wisconsin, known for its brewing traditions, industrial history, and location on the western shore of Lake Michigan.
-
D.
City of Wauwatosa
The City of Wauwatosa is a suburban municipality in southeastern Wisconsin known for its residential neighborhoods, commercial districts, and proximity to Milwaukee.
-
E.
Milwaukee Harbor
Milwaukee Harbor is a commercial and recreational port area on Lake Michigan serving the city of Milwaukee, Wisconsin.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
regional government agency
ⓘ
sewerage district ⓘ |
| aimsTo |
improve water quality in Lake Michigan
ⓘ
manage flooding and stormwater ⓘ protect public health ⓘ reduce sewer overflows ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| follows |
Clean Water Act
ⓘ
Wisconsin environmental regulations ⓘ |
| foundedBy |
State of Wisconsin
ⓘ
linked to:
Wisconsin
|
| governedBy |
Board of Commissioners of the Milwaukee Metropolitan Sewerage District
ⓘ
linked to:
Milwaukee Metropolitan Sewerage District
|
| hasJurisdictionOver |
regional flood management in Milwaukee area
ⓘ
regional wastewater treatment in Milwaukee area ⓘ water quality protection in Milwaukee area ⓘ |
| hasResponsibility |
combined sewer overflow management
ⓘ
flood management ⓘ green infrastructure programs ⓘ stormwater quality management ⓘ wastewater collection ⓘ wastewater treatment ⓘ water quality protection ⓘ watershed-based planning ⓘ |
| hasWebsite | https://www.mmsd.com ⓘ |
| headquartersLocation |
Milwaukee, Wisconsin
ⓘ
linked to:
Milwaukee
|
| industry |
environmental protection
ⓘ
flood management ⓘ stormwater management ⓘ wastewater treatment ⓘ |
| legalForm | special purpose governmental entity ⓘ |
| locatedIn |
Milwaukee, Wisconsin
ⓘ
linked to:
Milwaukee
|
| locatedInAdministrativeTerritory |
Kenosha County, Wisconsin
ⓘ
Milwaukee County, Wisconsin ⓘ
linked to:
Milwaukee County
Ozaukee County, Wisconsin ⓘ
linked to:
Ozaukee County
Racine County, Wisconsin ⓘ Washington County, Wisconsin ⓘ Waukesha County, Wisconsin ⓘ |
| operatesFacility |
Jones Island Water Reclamation Facility
ⓘ
South Shore Water Reclamation Facility ⓘ deep tunnel system ⓘ interceptor sewer system ⓘ |
| productOrService | Milorganite fertilizer ⓘ |
| serviceArea |
Greater Milwaukee watershed
ⓘ
Milwaukee metropolitan area ⓘ |
| shortName | MMSD ⓘ |
| usesTechnology |
activated sludge treatment
ⓘ
advanced wastewater treatment ⓘ deep tunnel storage ⓘ green infrastructure ⓘ |
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: Milwaukee Metropolitan Sewerage District Description of subject: The Milwaukee Metropolitan Sewerage District is a regional government agency responsible for wastewater treatment, flood management, and water quality protection in the Milwaukee, Wisconsin area.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
Milwaukee Metropolitan Sewerage District
→
governedBy
→
Board of Commissioners of the Milwaukee Metropolitan Sewerage District
ⓘ
linked to: Milwaukee Metropolitan Sewerage District