FRS Facility Detail Report


ALLEGANY POWER - WILLIAMSPORT

EPA Registry Id: 110003506251
10802 BOWER AVENUE
WILLIAMSPORT, MD 21795-3016


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:
NATIONAL COMPLIANCE DATABASE
POTOMAC EDISON COMPANY I03#19900112MD023 1 COMPLIANCE ACTIVITY NCDB

NATIONAL COMPLIANCE DATABASE
POTOMAC EDISON COMPANY I03#19911016MD023 1 COMPLIANCE ACTIVITY NCDB

MARYLAND - PERMANENT (AIR) EMISSION
ALLEGANY POWER - WILLIAMSPORT 043-0334 STATE MASTER MD-PEMIS
-
AIR MINOR
AIR FACILITY SYSTEM
ALLEGANY POWER - WILLIAMSPORT 2404300334 AIR MINOR (OPERATING) AIRS/AFS 07/09/2013
RESOURCE CONSERVATION AND RECOVERY ACT INFORMATION SYSTEM
POTOMAC EDISON-WILLIAMSPORT SERVICE CENTER MDD000621649 VSQG (Y) RCRAINFO

BIENNIAL REPORTERS
POTOMAC EDISON-WILLIAMSPORT SERVICE CENTER MDD000621649 HAZARDOUS WASTE BIENNIAL REPORTER RCRAINFO 12/31/2021
ICIS-AIR (AIR)
ALLEGANY POWER - WILLIAMSPORT MD0000002404300334 AIR MINOR ICIS 10/16/2019
INTEGRATED COMPLIANCE INFORMATION SYSTEM POTOMAC EDISON CO GENERAL COMPLEX 2408 FORMAL ENFORCEMENT ACTION ICIS 09/13/1996 ICIS-03-1986-0662
FORMAL ENFORCEMENT ACTION
MARYLAND - ENVIRONMENTAL PERMIT SERVICE CENTER
ALLEGHENY POWER - WILLIAMSPORT 5787 STATE MASTER MD-EPSC
-
OIL CONTROL

Additional EPA Reports:  

MyEnvironment  Enforcement and Compliance  Facility Coordinates Viewer  Watershed Report

Standard Industrial Classification Codes (SIC)

Data Source SIC Code Description Primary
MD-EPSC
4911
ELECTRIC SERVICES

MD-PEMIS
4911
ELECTRIC SERVICES

AIRS/AFS
4911
ELECTRIC SERVICES

NCDB
4226
SPECIAL WAREHOUSING AND STORAGE, NOT ELSEWHERE CLASSIFIED

AIR
4911
ELECTRIC SERVICES

NCDB
4226
SPECIAL WAREHOUSING AND STORAGE, NOT ELSEWHERE CLASSIFIED

Facility Codes and Flags

EPA Region: 03
Duns Number:
Congressional District Number: 06
Legislative District Number:
HUC Code/Watershed: 02070004 / CONOCOCHEAGUE-OPEQUON
US Mexico Border Indicator:
Federal Facility: NO
Tribal Land: NO

Alternative Names

Alternative Name Source of Data
ALLEGHENY POWER - WILLIAMSPORT MD-EPSC
POTOMAC EDISON-WILLIAMSPORT SERVICE CENTER RCRAINFO
POTOMAC EDISON MD-EPSC
POTOMAC EDISON CO GENERAL COMPLEX ICIS

Organizations

Affiliation Type Name DUNS Number Information System Mailing Address
OWNER
THE POTOMAC EDISON COMPANY
RCRAINFO
View
OPERATOR
THE POTOMAC EDISON COMPANY
RCRAINFO
View

National Industry Classification System Codes (NAICS)

Data Source NAICS Code Description Primary
AIRS/AFS 221122 ELECTRIC POWER DISTRIBUTION.
RCRAINFO 221122 ELECTRIC POWER DISTRIBUTION.
AIR 221122 ELECTRIC POWER DISTRIBUTION.

Facility Mailing Addresses

Affiliation Type Delivery Point City Name State Postal Code Information System
OPERATOR 800 CABIN HILL DR GREENSBURG PA 15601 RCRAINFO
REGULATORY CONTACT 901 WILSON ST MARTINSBURG WV 26554 RCRAINFO
OWNER 800 CABIN HILL DRIVE GREENSBURG PA 15601 MD-EPSC
OWNER 800 CABIN HILL DR GREENSBURG PA 15601 RCRAINFO
FACILITY MAILING ADDRESS PO BOX 316 WILLIAMSPORT MD 21795 RCRAINFO

Contacts

Affiliation Type Full Name Office Phone Information System Mailing Address
OWNER
ALLEGANY POWER - WILLIAMSPORT


MD-PEMIS


OWNER
THE POTOMAC EDISON CO., DBA ALLEGHENY POWER
301-790-6406
MD-EPSC
View
REGULATORY CONTACT
CONNER STEPHENS
304-676-4482
RCRAINFO


Query executed on: OCT-14-2025