FRS Facility Detail Report


PIONEER FLOUR MILLS

EPA Registry Id: 110011437748
129 E GUENTHER
SAN ANTONIO, TX 782041402


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 POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
PIONEER FLOUR MILLS TXR05DT84 ICIS-NPDES NON-MAJOR ICIS 10/25/2017 ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY
TEXAS COMMISSION ON ENVIRONMENTAL QUALITY - AGENCY CENTRAL REGISTRY
PIONEER FLOUR MILLS RN100603547 STATE MASTER TX-TCEQ ACR
AFS NUM-4802900065
AIR PROGRAM
REGISTRATION-79558
AIR PROGRAM
PERMIT-TXR05L578
NPDES STORMWATER PERMIT
ACCOUNT NUMBER-BG0161B
AIR PROGRAM
PERMIT-56315
AIR PROGRAM
PERMIT-16368
AIR PROGRAM
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
PIONEER FLOUR MILLS TXR05FH84 ICIS-NPDES NON-MAJOR ICIS 11/12/2021
NATIONAL COMPLIANCE DATABASE
PIONEER FLOUR MILLS I06#19871117TX002 4 COMPLIANCE ACTIVITY NCDB

NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
PIONEER FLOUR MILLS TXR05DT84 STORM WATER INDUSTRIAL ICIS 10/25/2017 ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY
TOXICS RELEASE INVENTORY SYSTEM
PIONEER FLOUR MILLS 78204PNRFL129EG TRI REPORTER TRIS

AIR FACILITY SYSTEM
PIONEER FLOUR MILLS 4802900065 AIR MINOR (OPERATING) AIRS/AFS 02/16/2011
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
PIONEER FLOUR MILLS TXR05FH84 STORM WATER INDUSTRIAL ICIS 11/12/2021
ICIS-AIR (AIR)
PIONEER FLOUR MILLS TX0000004802900065 AIR MINOR ICIS 10/19/2014

Additional EPA Reports:  

MyEnvironment  Enforcement and Compliance  Facility Coordinates Viewer  Watershed Report

Standard Industrial Classification Codes (SIC)

Data Source SIC Code Description Primary
TX-TCEQ ACR
0723
CROP PREPARATION SERVICES FOR MARKET, EXCEPT COTTON GINNING

NCDB
2041
FLOUR AND OTHER GRAIN MILL PRODUCTS

AIRS/AFS
0723
CROP PREPARATION SERVICES FOR MARKET, EXCEPT COTTON GINNING

AIR
0723
CROP PREPARATION SERVICES FOR MARKET, EXCEPT COTTON GINNING

Facility Codes and Flags

EPA Region: 06
Duns Number: 8115099, 008115099
Congressional District Number: 35
Legislative District Number:
HUC Code/Watershed: 12100301 / UPPER SAN ANTONIO
US Mexico Border Indicator: NO
Federal Facility: NO
Tribal Land:

Alternative Names

Alternative Name Source of Data
PIONEER FLOUR MILL FRS
C.H. GUENTHER & SONS, INC. DBA PIONEER FLOUR MILLS FRS

Organizations

Affiliation Type Name DUNS Number Information System Mailing Address
OPERATOR
C.H. GUENTHER & SON, INC. 8115099
NPDES
View
OWNER/OPERATOR
PIONEER FLOUR MILLS
TX-TCEQ ACR
View
PARENT COMPANY
CH GUENTHER & SON INC 008115099
TRIS


OPERATOR
C.H. GUENTHER & SON, LLC.
NPDES
View

National Industry Classification System Codes (NAICS)

Data Source NAICS Code Description Primary
AIRS/AFS 311211 FLOUR MILLING.
TRIS 311211 FLOUR MILLING.
AIR 311211 FLOUR MILLING.

Facility Mailing Addresses

Affiliation Type Delivery Point City Name State Postal Code Information System
OWNER/OPERATOR 129 E GUENTHER SAN ANTONIO TX 78204 TX-TCEQ ACR
MAILING ADDRESS 129 E GUENTHER ST SAN ANTONIO TX 78204 TRIS
OPERATOR PO BOX 118 SAN ANTONIO TX 78291-0118 NPDES
OPERATOR 2201 BROADWAY ST. SAN ANTONIO TX 78215 NPDES
MAILING ADDRESS 129 E GUENTHER SAN ANTONIO TX 78204 TX-TCEQ ACR

Contacts

Affiliation Type Full Name Office Phone Information System Mailing Address
PUBLIC CONTACT
TOM GILMAN
2103516298
TRIS


COMPLIANCE CONTACT
TOM GILMAN
2102271401 EXT. 6298
AIRS/AFS


OPERATOR
CHRIS MASTERS


NPDES


Query executed on: OCT-15-2025


Additional information for CERCLIS or TRI sites:

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