FRS Facility Detail Report


DELCORA-WESTERN REGIONAL TREATMENT PLANT

EPA Registry Id: 110000547098
3201 W FRONT ST
CHESTER, PA 19013-1829


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:
ICIS-AIR (AIR)
DELAWARE CNTY REG WA/DELCORA WESTERN REG TRMT PLT PA000482687 AIR MAJOR ICIS 02/12/2016
COMPLIANCE AND EMISSIONS DATA REPORTING INTERFACE
DELCORA-WESTERN REGIONAL TREATMENT PLANT CEDRI10018581 COMPLIANCE AND EMISSIONS REPORTING API 08/29/2025
RESOURCE CONSERVATION AND RECOVERY ACT INFORMATION SYSTEM
DELCORA DEL CITY CHESTER STP PAD987347432 VSQG (Y) RCRAINFO

NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
DELCORA WESTERN REGIONAL TREATMENT PLANT PAC230026 STORM WATER CONSTRUCTION ICIS
ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY
AIR FACILITY SYSTEM
DELAWARE CNTY REG WA/DELCORA WESTERN REG 4204500081 AIR MAJOR (OPERATING) AIRS/AFS 09/19/2014 ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY
PENNSYLVANIA - ENVIRONMENTAL FACILITY APPLICATION COMPLIANCE TRACKING SYSTEM DELAWARE CNTY REG WA/DELCORA WESTERN REG TRMT PLT 23-7182698-1 STATE MASTER PA-EFACTS

NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
DELCORA WESTERN REGIONAL TREATMENT PLANT PAC230026 ICIS-NPDES NON-MAJOR ICIS
ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
DELCORA STP PA0027103 COMBINED SEWER OVERFLOW ICIS
ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY
RISK MANAGEMENT PLAN
DELCORA-WESTERN REGIONAL TREATMENT PLANT 100000073396 RMP REPORTER RMP

NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
DELCORA STP PA0027103 ICIS-NPDES MAJOR ICIS
ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY
RESOURCE CONSERVATION AND RECOVERY ACT INFORMATION SYSTEM
WESTERN REGIONAL TREATMENT PLANT PAD000619957 UNSPECIFIED UNIVERSE (N) RCRAINFO

NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
DELCORA STP PA0027103 POTW ICIS
ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY
EMISSION INVENTORY SYSTEM (EIS)
DELAWARE CNTY REG WA/DELCORA WESTERN REG TRMT PLT 6661511 CRITERIA AIR POLLUTANT MAJOR EIS 12/12/2024
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
DELCORA STP PA0027103 NPDES PRETREATMENT PROGRAM ICIS
ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY
INTEGRATED COMPLIANCE INFORMATION SYSTEM DELCORA WESTERN REGIONAL TREATMENT PLANT 600010728 ENFORCEMENT/COMPLIANCE ACTIVITY ICIS 11/29/2006

Additional EPA Reports:  

MyEnvironment  Enforcement and Compliance  Facility Coordinates Viewer  Watershed Report

Standard Industrial Classification Codes (SIC)

Data Source SIC Code Description Primary
AIRS/AFS
4952
SEWERAGE SYSTEMS

AIR
4952
SEWERAGE SYSTEMS

PA-EFACTS
4952
SEWERAGE SYSTEMS

NPDES
4952
SEWERAGE SYSTEMS

Facility Codes and Flags

EPA Region: 03
Duns Number:
Congressional District Number: 01
Legislative District Number: 1
HUC Code/Watershed: 02040202 / LOWER DELAWARE
US Mexico Border Indicator:
Federal Facility: NO
Tribal Land: NO

Alternative Names

Alternative Name Source of Data
DELCORA DEL CITY CHESTER STP RCRAINFO
DELAWARE CNTY REG WA/DELCORA WESTERN REG TRMT PLT AIR
WESTERN REGIONAL TREATMENT PLANT RCRAINFO
DELAWARE CNTY REG WA/DELCORA WESTERN REG AIRS/AFS
DELCORA STP NPDES

Organizations

Affiliation Type Name DUNS Number Information System Mailing Address
MAILING ADDRESS
DELCORA
AIR


MAILING ADDRESS
DELCORA WRTP
NPDES
View
MAILING ADDRESS
DELCORA
AIR
View
PARENT COMPANY
DELCORA
EIS


OWNER/OPERATOR
DELCORA
RMP
View
PERMITTEE
DELCORA
NPDES
View
PERMITTEE
DELCORA
NPDES
View
FACILITY SITE CONTACT
DELCORA STP
NPDES


MAILING ADDRESS
DELAWARE CO REGIONAL WATER
NPDES
View
MAILING ADDRESS
DELCORA
AIR
View

National Industry Classification System Codes (NAICS)

Data Source NAICS Code Description Primary
RMP 22132 SEWAGE TREATMENT FACILITIES
AIRS/AFS 221320 SEWAGE TREATMENT FACILITIES.
AIR 221320 SEWAGE TREATMENT FACILITIES.
EIS 221320 SEWAGE TREATMENT FACILITIES.
NPDES 237110 WATER AND SEWER LINE AND RELATED STRUCTURES CONSTRUCTION.
PA-EFACTS 316990

Facility Mailing Addresses

Affiliation Type Delivery Point City Name State Postal Code Information System
PREPARER 1400 WESTON WAY WEST CHESTER PA 19380-1492 RMP
PERMITTEE 100 EAST FIFTH STREET CITY OF CHESTER PA 19016-0999 NPDES
FACILITY MAILING ADDRESS 3201 W FRONT ST CHESTER 42 PA-EFACTS
MAILING ADDRESS QUALITY CONTROL AUTHORITY CHESTER PA 190160999 NPDES
PERMITTEE 100 EAST FIFTH STREET CHESTER PA 19016-0999 NPDES
PREPARER 1400 WESTON WAY WEST CHESTER PA 19380-1492 RMP
MAILING ADDRESS 100 E 5TH ST CHESTER PA 19016-0999 AIR
MAILING ADDRESS 100 EAST FIFTH STREET CHESTER PA 19016-0999 NPDES
PREPARER 310 N HIGH ST WEST CHESTER PA 19380 RMP
OWNER/OPERATOR 100 EAST 5TH ST. CHESTER PA 190130999 RMP
MAILING ADDRESS 100 E 5TH ST CHESTER PA 19016 AIR

Contacts

Affiliation Type Full Name Office Phone Information System Mailing Address
FACILITY SITE CONTACT
ROBERT J WILLERT
6108765523
AIR


UNKNOWN CONTACT
CHRISTINE V HILDITC
6108765523
AIRS/AFS


SITE CONTACT
CHARLES HURST
6108765523
ICIS


SITE CONTACT
CHARLES HURST
6108765523
NPDES


SITE CONTACT
ROBERT WILLERT
6108765523
NPDES


FACILITY SITE CONTACT
JOSEPH SALVUCCI
6108765523
NPDES


SITE CONTACT
MICHAEL DISANTIS
6108765523
NPDES


PRIMARY FACILITY CONTACT
ROBERT J WILLERT
6108765523
AIR


COGNIZANT OFFICIAL
MICHAEL DISANTIS
6108765523
NPDES


COMPLIANCE CONTACT
CHRISTINE V HILDITC
6108765523
AIRS/AFS


Query executed on: OCT-15-2025