Metropolitan Water Reclamation District of Greater Chicago
E83512
flood control agency
special-purpose governmental agency
stormwater management agency
wastewater treatment authority
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.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Metropolitan Water Reclamation District of Greater Chicago canonical | 7 |
| MWRD | 1 |
| Metropolitan Sanitary District of Greater Chicago | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T679356 — 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: Metropolitan Water Reclamation District of Greater Chicago Context triple: [Chicago River, managedBy, Metropolitan Water Reclamation District of Greater Chicago]
-
A.
Chicago waterworks
Chicago waterworks was a 19th-century municipal water supply facility in Chicago that became historically notable after being largely destroyed in the Great Chicago Fire of 1871.
-
B.
Chicago Metropolitan Agency for Planning
The Chicago Metropolitan Agency for Planning is the regional planning organization responsible for long-range land use, transportation, and economic development planning in the greater Chicago area.
-
C.
Chicago Department of Streets and Sanitation
The Chicago Department of Streets and Sanitation is the city agency responsible for services such as garbage collection, street cleaning, snow removal, and rodent control in Chicago.
-
D.
Metropolitan Pier and Exposition Authority
The Metropolitan Pier and Exposition Authority is a municipal corporation in Chicago that owns and operates major lakefront convention and tourism facilities, including Navy Pier and McCormick Place.
-
E.
Urbana Park District
Urbana Park District is the local governmental agency responsible for managing and maintaining public parks, recreational facilities, and community programs in Urbana, Illinois.
- 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: Metropolitan Water Reclamation District of Greater Chicago Target entity description: 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.
-
A.
Chicago waterworks
Chicago waterworks was a 19th-century municipal water supply facility in Chicago that became historically notable after being largely destroyed in the Great Chicago Fire of 1871.
-
B.
Chicago Metropolitan Agency for Planning
The Chicago Metropolitan Agency for Planning is the regional planning organization responsible for long-range land use, transportation, and economic development planning in the greater Chicago area.
-
C.
Chicago Department of Streets and Sanitation
The Chicago Department of Streets and Sanitation is the city agency responsible for services such as garbage collection, street cleaning, snow removal, and rodent control in Chicago.
-
D.
Metropolitan Pier and Exposition Authority
The Metropolitan Pier and Exposition Authority is a municipal corporation in Chicago that owns and operates major lakefront convention and tourism facilities, including Navy Pier and McCormick Place.
-
E.
Urbana Park District
Urbana Park District is the local governmental agency responsible for managing and maintaining public parks, recreational facilities, and community programs in Urbana, Illinois.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
flood control agency
ⓘ
special-purpose governmental agency ⓘ stormwater management agency ⓘ wastewater treatment authority ⓘ |
| aimsTo |
mitigate flooding
ⓘ
protect public health ⓘ protect the environment ⓘ |
| alsoKnownAs |
Metropolitan Water Reclamation District of Greater Chicago
ⓘ
surface form:
MWRD
Metropolitan Water Reclamation District of Greater Chicago ⓘ
surface form:
Metropolitan Sanitary District of Greater Chicago
|
| country |
United States of America
ⓘ
surface form:
United States
|
| fundingSource |
grants
ⓘ
property taxes ⓘ user fees ⓘ |
| governmentLevel | local government ⓘ |
| governs | sanitary and ship canal wastewater system in Greater Chicago ⓘ |
| hasFunction |
collection and treatment of sewage
ⓘ
flood risk reduction ⓘ implementation of regional stormwater plans ⓘ management of combined sewer overflows ⓘ protection of water quality in area waterways ⓘ |
| headquartersLocation |
Chicago, Illinois, United States
ⓘ
surface form:
Chicago, Illinois
|
| industry | water and wastewater utilities ⓘ |
| jurisdiction |
most of Cook County, Illinois
ⓘ
parts of neighboring counties in the Chicago region ⓘ |
| locatedInTimeZone | Central Time Zone ⓘ |
| operates |
flood control reservoirs
ⓘ
stormwater management infrastructure ⓘ wastewater treatment plants ⓘ |
| regionServed | Great Lakes region ⓘ |
| regulates |
discharges into local sewer systems
ⓘ
industrial wastewater pretreatment ⓘ |
| relatedTo |
Calumet River
ⓘ
surface form:
Calumet River system
Chicago River ⓘ
surface form:
Chicago River system
Des Plaines River ⓘ Lake Michigan water quality ⓘ |
| responsibleFor |
flood control
ⓘ
stormwater management ⓘ wastewater treatment ⓘ water pollution control ⓘ |
| sector | public sector ⓘ |
| serves |
Chicago metropolitan area
ⓘ
City of Chicago ⓘ Cook County, Illinois ⓘ |
| state | Illinois ⓘ |
| subjectTo |
Illinois state law
ⓘ
federal environmental regulations ⓘ |
| typeOfGovernmentBody | independent special district ⓘ |
| uses | wastewater treatment plants and interceptor sewers ⓘ |
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: Metropolitan Water Reclamation District of Greater Chicago Description of subject: 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.
Referenced by (9)
Full triples — surface form annotated when it differs from this entity's canonical label.
Metropolitan Water Reclamation District of Greater Chicago
→
alsoKnownAs
→
Metropolitan Water Reclamation District of Greater Chicago
ⓘ
this entity surface form:
MWRD
Metropolitan Water Reclamation District of Greater Chicago
→
alsoKnownAs
→
Metropolitan Water Reclamation District of Greater Chicago
ⓘ
this entity surface form:
Metropolitan Sanitary District of Greater Chicago
Chicago Sanitary and Ship Canal
→
operator
→
Metropolitan Water Reclamation District of Greater Chicago
ⓘ
Chicago Area Waterway System
→
operator
→
Metropolitan Water Reclamation District of Greater Chicago
ⓘ