FRS Facility Detail Report


NORTHWESTERN PUBLIC SERVICE COMPANY

EPA Registry Id: 110004944188
320 EAST 5TH AVENUE
WEBSTER, SD 57274-1531


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:
AIR FACILITY SYSTEM
NORTHWESTERN PUBLIC SERVICE COMPANY 4603700002 AIR MAJOR (PERMANENTLY CLOSED) AIRS/AFS 07/10/2014
RESOURCE CONSERVATION AND RECOVERY ACT INFORMATION SYSTEM
NW PUBLIC SRVC - WEBSTER PWR PLNT SDD000823617 UNSPECIFIED UNIVERSE (N) RCRAINFO

ICIS-AIR (AIR)
NORTHWESTERN PUBLIC SERVICE COMPANY SD0000004603700002 AIR MAJOR ICIS 10/19/2014
ENERGY INFORMATION ADMINISTRATION-860 (EIA-860) DATABASE
WEBSTER IC 3348 ELECTRIC GENERATOR EIA-860 10/06/2020

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
4911
ELECTRIC SERVICES

AIR
4911
ELECTRIC SERVICES

Facility Codes and Flags

EPA Region: 08
Duns Number:
Congressional District Number: 01
Legislative District Number:
HUC Code/Watershed: 10160010 / NORTH BIG SIOUX COTEAU
US Mexico Border Indicator:
Federal Facility: NO
Tribal Land: NO

Alternative Names

Alternative Name Source of Data
NW PUBLIC SRVC - WEBSTER PWR PLNT RCRAINFO
WEBSTER POWER PLANT NW PS RCRAINFO
WEBSTER EIA-860

Organizations

Affiliation Type Name DUNS Number Information System Mailing Address
TRANSMISSION OR DISTRIBUTION SYSTEM OWNER
NORTHWESTERN ENERGY
EIA-860
View
OWNER/OPERATOR
NORTHWESTERN ENERGY
EIA-860
View
PARENT COMPANY
NORTHWESTERN ENERGY - (SD)
EIA-860


OWNER/OPERATOR
NORTHWESTERN ENERGY
EIA-860
View
OWNER/OPERATOR MAILING ADDRESS
NORTHWESTERN ENERGY CORPORATION
EIA-860


PARENT COMPANY
NORTHWESTERN ENERGY - (SD)
EIA-860
View

National Industry Classification System Codes (NAICS)

Data Source NAICS Code Description Primary
AIR 221112 FOSSIL FUEL ELECTRIC POWER GENERATION.
EIA-860 22

Facility Mailing Addresses

Affiliation Type Delivery Point City Name State Postal Code Information System
OWNER/OPERATOR 600 MARKET STREET W HURON SD 57350 EIA-860
FACILITY MAILING ADDRESS P.O. BOX 1318 HURON SD 57350 AIRS/AFS
OWNER/OPERATOR 3010 WEST 69TH STREET SIOUX FALLS SD EIA-860
TRANSMISSION OR DISTRIBUTION SYSTEM OWNER 3010 WEST 69TH STREET SIOUX FALLS SD EIA-860
PARENT COMPANY 3010 WEST 69TH STREET SIOUX FALLS SD EIA-860
REGULATORY CONTACT PO BOX 1318 HURN SD 57350 RCRAINFO
FACILITY MAILING ADDRESS P.O. BOX 1318 HURON SD 57350 AIR
FACILITY MAILING ADDRESS PO BOX 1318 HURON SD 57350-1318 RCRAINFO

Contacts

No Contacts returned.

Query executed on: OCT-15-2025