FRS Facility Detail Report


METROPOLITAN SEWER DIS LITTLE MIAMI WWTP

EPA Registry Id: 110009605917
225 WILMER AVENUE
CINCINNATI, OH 45226-1641


The facility locations displayed
come from the FRS Spatial
Coordinates tables. They are the
best representative locations for
the displayed facilities based on
the accuracy of the collection
method and quality assurance
checks performed against each
location. The North American
Datum of 1983 is used to display
all coordinates.

Environmental Interests

Information System System Facility Name Information System Id/Report Link Environmental Interest Type Data Source Last Updated Date Supplemental Environmental Interests:
OHIO - CORE FACILITY INFORMATION
METROPOLITAN SEWER DIS LITTLE MIAMI WWTP 19865 STATE MASTER OH-CORE
-1431072069
AIR MAJOR
RCRA-OHD000723437
HAZARDOUS WASTE PROGRAM
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
LITTLE MIAMI WASTEWATER TREATMENT PLANT OH0025453 ICIS-NPDES MAJOR ICIS
ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
LITTLE MIAMI WASTEWATER TREATMENT PLANT OH0025453 BIOSOLIDS ICIS
ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY
BIENNIAL REPORTERS
METROPOLITAN SEWER DISTRICT LITTLE MIAMI WWTP OHD000723437 HAZARDOUS WASTE BIENNIAL REPORTER RCRAINFO 12/31/2013
AIR FACILITY SYSTEM
LITTLE MIAMI, WWTP 3906100229 AIR SYNTHETIC MINOR (OPERATING) AIRS/AFS 02/13/2014
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
LITTLE MIAMI WASTEWATER TREATMENT PLANT OH0025453 NPDES PRETREATMENT PROGRAM ICIS
ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY
EMISSION INVENTORY SYSTEM (EIS)
LITTLE MIAMI, WWTP (1431072069) 14724411 AIR EMISSIONS CLASSIFICATION UNKNOWN EIS 08/26/2021
ICIS-AIR (AIR)
LITTLE MIAMI, WWTP OH0000001431072069 AIR MINOR ICIS 03/12/2015
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
LITTLE MIAMI WASTEWATER TREATMENT PLANT OH0025453 POTW ICIS
ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY
RESOURCE CONSERVATION AND RECOVERY ACT INFORMATION SYSTEM
METROPOLITAN SEWER DISTRICT LITTLE MIAMI WWTP OHD000723437 VSQG (Y) RCRAINFO

NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
LITTLE MIAMI WASTEWATER TREATMENT PLANT OH0025453 COMBINED SEWER OVERFLOW ICIS
ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY

Additional EPA Reports:  

MyEnvironment  Enforcement and Compliance  Facility Coordinates Viewer  Watershed Report

Standard Industrial Classification Codes (SIC)

Data Source SIC Code Description Primary
AIR
4952
SEWERAGE SYSTEMS

NPDES
4952
SEWERAGE SYSTEMS

OH-CORE
4953
REFUSE SYSTEMS

AIRS/AFS
4952
SEWERAGE SYSTEMS

Facility Codes and Flags

EPA Region: 05
Duns Number:
Congressional District Number: 02
Legislative District Number: SW
HUC Code/Watershed: 05090203 / MIDDLE OHIO-LAUGHERY
US Mexico Border Indicator:
Federal Facility: NO
Tribal Land: NO

Alternative Names

Alternative Name Source of Data
BD OF CNTY CMMSNRS LITTLE MIAMI WTP RCRAINFO
HAMILTON CO. - LITTLE MIAMI NPDES PERMIT
MSD LITTLE MIAMI WWTP AIRS/AFS
METROPOLITAN SEWER DISTRICT LITTLE MIAMI WWTP MANUAL ENTRY
LITTLE MIAMI WWTP PCS
LITTLE MIAMI, WWTP (1431072069) EIS
LITTLE MIAMI TREATMENT PLANT AIR VOLUNTARY SUBMISSION

Organizations

Affiliation Type Name DUNS Number Information System Mailing Address
OWNER
HAMILTON CO. COMMISSIONERS
NPDES
View
OPERATOR
MSDGC
RCRAINFO
View
MAILING ADDRESS
HAMILTON CO. COMMISSIONERS
NPDES
View
OPERATOR
CINCINNATI METROPOLITAN SD
NPDES
View
OWNER
CINCINNATI METROPOLITAN SD
NPDES
View
OWNER
CINCINNATI METROPOLITAN SD
OH-CORE


OPERATOR
CINCINNATI METROPOLITAN SD
NPDES
View
OWNER
CINCINNATI METROPOLITAN SD
NPDES
View
OWNER
CITY OF CINCINNATI
RCRAINFO
View

National Industry Classification System Codes (NAICS)

Data Source NAICS Code Description Primary
RCRAINFO 22132 SEWAGE TREATMENT FACILITIES
AIR 221320 SEWAGE TREATMENT FACILITIES.
EIS 221320 SEWAGE TREATMENT FACILITIES.
AIRS/AFS 221320 SEWAGE TREATMENT FACILITIES.

Facility Mailing Addresses

Affiliation Type Delivery Point City Name State Postal Code Information System
FACILITY MAILING ADDRESS 225 WILMER AVE CINCINNATI OH 45226 AIR
OPERATOR 1600 GEST ST CINCINNATI OH 45204 NPDES
FACILITY MAILING ADDRESS 225 WILMER AVE CINCINNATI OH 45226 AIRS/AFS
OWNER 801 PLUM ST CINCINNATI OH 45202 RCRAINFO
MAILING ADDRESS C/O GREATER CINCINNATI MSD CINCINNATI OH 45204 NPDES
OWNER 1600 GEST ST CINCINNATI OH 45204 NPDES
OPERATOR 1600 GEST ST CINCINNATI OH 45204 NPDES
OPERATOR 1600 GEST ST CINCINNATI OH 45204 RCRAINFO
OWNER 1600 GEST ST CINCINNATI OH 45204 NPDES
OWNER 1600 GEST STREET CINCINNATI OH 45204 NPDES
FACILITY MAILING ADDRESS 1600 GEST ST CINCINNATI OH 45204 RCRAINFO

Contacts

No Contacts returned.

Query executed on: OCT-14-2025