FRS Facility Detail Report


NORTHWEST READY MIX CONCRETE INC

EPA Registry Id: 110001754021
6340 180TH STREET
OCHEYEDAN, IA 51354-7065


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
NORTHWEST READY MIX CONCRETE INC 1914300005 AIR MINOR (OPERATING) AIRS/AFS 01/03/2008
IOWA DEPARTMENT OF NATURAL RESOURCES - ENVIRONMENTAL FACILITIES DATABASE
NORTHWEST READY MIX - OCHEYEDAN 310418063
exit EPA
STATE MASTER IDNR_EFD
AST-40000271935
SPCC
IDNR_EFD-40000060705
GROUND WATER PROGRAMS
WUSE-5707
NPDES PERMIT
SPARS-40000146150
AIR PROGRAMS
TIER2-40000311858
CHEMICAL STORAGE AND RISK MANAGEMENT PROGRAMS
SPARS-40000146150
AIR PROGRAM
IDNR_EFD-40000146150
AIR PROGRAM
WUSE-40000060705
GROUND WATER PROGRAMS
ICIS-AIR (AIR)
NORTHWEST READY MIX CONCRETE INC IA0000001914300005 AIR MINOR ICIS 10/19/2014
INTEGRATED COMPLIANCE INFORMATION SYSTEM NORTHWEST READY-MIX 3601784963 ENFORCEMENT/COMPLIANCE ACTIVITY ICIS 04/01/2025

Additional EPA Reports:  

MyEnvironment  Enforcement and Compliance  Facility Coordinates Viewer  Watershed Report

Standard Industrial Classification Codes (SIC)

Data Source SIC Code Description Primary
AIR
3273
READY-MIXED CONCRETE

AIR
1442
CONSTRUCTION SAND AND GRAVEL

AIRS/AFS
3273
READY-MIXED CONCRETE

AIRS/AFS
1442
CONSTRUCTION SAND AND GRAVEL

Facility Codes and Flags

EPA Region: 07
Duns Number:
Congressional District Number: 04
Legislative District Number: 05
HUC Code/Watershed: 10230003 / LITTLE SIOUX
US Mexico Border Indicator:
Federal Facility: NO
Tribal Land: NO

Alternative Names

Alternative Name Source of Data
NORTHWEST READY MIX & CONCRETE MANUAL ENTRY
NORTHWEST READY MIX - OCHEYEDAN 019
REHMS STEWART INCORPORATED AIRS/AFS

Organizations

Affiliation Type Name DUNS Number Information System Mailing Address
PERMITEE
NORTHWEST READY MIX INC
IDNR_EFD
View
PERMITEE
NORTHWEST READY MIX, INC.
IDNR_EFD
View
PERMITTEE
NORTHWEST READY MIX INC
IDNR_EFD
View
PERMITEE
REHMS-STEWART, INC.
IDNR_EFD
View
OWNER
NORTHWEST READY-MIX CONCRETE
IDNR_EFD
View

National Industry Classification System Codes (NAICS)

Data Source NAICS Code Description Primary
AIR 327320 READY-MIX CONCRETE MANUFACTURING.
AIRS/AFS 327320 READY-MIX CONCRETE MANUFACTURING.

Facility Mailing Addresses

Affiliation Type Delivery Point City Name State Postal Code Information System
PERMITEE 6340 180TH ST OCHEYEDAN IA 51354-7065 IDNR_EFD
REGULATORY CONTACT 6340 180TH ST OCHEYEDAN IA 51354-7065 IDNR_EFD
PERMITTEE 6340 180TH ST OCHEYEDAN IA 51354-7065 IDNR_EFD
PERMITEE 6340 180TH STREET OCHEYEDAN IA 51354 IDNR_EFD
FACILITY MAILING ADDRESS 6340 180TH ST OCHEYEDAN IA 51354-7065 AIRS/AFS
OWNER 6340 180TH ST OCHEYEDAN IA 51354-7065 IDNR_EFD
PUBLIC CONTACT 6340 180TH ST OCHEYEDAN IA 51354-7065 IDNR_EFD
PERMITEE RR 2, BOX 16 OCHEYEDAN IA 51354 IDNR_EFD
FACILITY MAILING ADDRESS 6340 180TH ST OCHEYEDAN IA 51354-7065 AIR
OWNER 6340 - 180TH ST. OCHEYEDAN IA 51354 IDNR_EFD

Contacts

Affiliation Type Full Name Office Phone Information System Mailing Address
OWNER
DARWIN KOENIG
5159642790
IDNR_EFD
View
UNKNOWN CONTACT
GRANT SIXTA
7127583729
AIRS/AFS


COMPLIANCE CONTACT
GRANT SIXTA
7127583729
AIRS/AFS


UNKNOWN CONTACT
GRANT SIXTA
7127583729
AIR


REGULATORY CONTACT
KENT STEWART
7127583729
IDNR_EFD
View
PUBLIC CONTACT
GRANT SIXTA
7127583729
IDNR_EFD
View
COMPLIANCE CONTACT
GRANT SIXTA
7127583729
AIR


OWNER
SHERIE KLEVE
7127583729
IDNR_EFD
View

Query executed on: OCT-14-2025