Clean Water Act discharge permit · NPDES TXR05AR91

CHAPMAN PLANT, Sabinal, TX: NPDES TXR05AR91 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
14Pollutants under a numeric limit
0Pollutants with an effluent exceedance
1Inspections on file
0Formal enforcement actions

CHAPMAN PLANT, held by South Texas Aggregates, Inc., holds NPDES permit TXR05AR91. EPA’s file records it issued October 14, 2021 and expiring August 13, 2026.

CHAPMAN PLANT, Sabinal, Texas: Coverage under a general permit TXR05AR91, held by South Texas Aggregates, Inc.; Industrial stormwater; Administratively continued (past its expiration date and still in force until reissued); issued October 14, 2021, term to August 13, 2026.

pH: 2 limits, 0 violations of any kind, 0 effluent exceedances.
Solids, total suspended: 1 limit, 0 violations of any kind, 0 effluent exceedances.
Arsenic, total [as As]: 1 limit, 0 violations of any kind, 0 effluent exceedances.
Barium, total [as Ba]: 1 limit, 0 violations of any kind, 0 effluent exceedances.
Cadmium, total [as Cd]: 1 limit, 0 violations of any kind, 0 effluent exceedances.
Chromium, total [as Cr]: 1 limit, 0 violations of any kind, 0 effluent exceedances.
Copper, total [as Cu]: 1 limit, 0 violations of any kind, 0 effluent exceedances.
Lead, total [as Pb]: 1 limit, 0 violations of any kind, 0 effluent exceedances.
Manganese, total [as Mn]: 1 limit, 0 violations of any kind, 0 effluent exceedances.
Nickel, total [as Ni]: 1 limit, 0 violations of any kind, 0 effluent exceedances.
Silver, total [as Ag]: 1 limit, 0 violations of any kind, 0 effluent exceedances.
Zinc, total [as Zn]: 1 limit, 0 violations of any kind, 0 effluent exceedances.
Selenium, total [as Se]: 1 limit, 0 violations of any kind, 0 effluent exceedances.
Mercury, total [as Hg]: 1 limit, 0 violations of any kind, 0 effluent exceedances.

February 6, 2026: Permit Violations - Violation Specified in Comment (ST6).
February 6, 2026: Evaluation (S).
July 12, 2023: Permit Violations - Violation Specified in Comment (ST6).

Texas holds 8,480 Industrial stormwater coverages of this permit type in EPA’s file; 1,127 were issued before TXR05AR91. South Texas Aggregates, Inc. holds 5 permits in Texas.

Other permits held by South Texas Aggregates, Inc.

EAGLE PASS, Eagle Pass: TXR05AR97, issued October 14, 2021
1379 PIT, Midland: TXR05DB17, issued October 14, 2021
PORTABLE CRUSHER STA 6014 - BADER PIT, Bracketville: TXR05EO21, issued October 14, 2021
SHALLOW VALLEY PIT, Rankin: TXR05EO22, issued October 14, 2021

Coverages issued nearest TXR05AR91

October 13, 2021: SWISSPORT SA FUEL SERVICES, Houston, TXRNEBQ08, held by Swissport Sa Fuel Services, LLC
October 13, 2021: THE VENTURE, Lewisville, TXRNEBQ09, held by Fortis Solutions Group Central LLC
October 13, 2021: J & J DISCARTED PARTS, Duncanville, TXRNEBQ10, held by J & J Discarted Parts
October 14, 2021: ROSENBERG SITE, Rosenberg, TXR05AN49, held by Oldcastle APG West, Inc.
October 14, 2021: JEWELL WACO SITE, Waco, TXR05AN50, held by Oldcastle APG West, Inc.
October 14, 2021: EAGLE PASS, Eagle Pass, TXR05AR97, held by South Texas Aggregates, Inc.
October 14, 2021: RG NDT INTERNATIONAL, Houston, TXR05BC87, held by Rg Ndt International, Inc.
October 14, 2021: 1379 PIT, Midland, TXR05DB17, held by South Texas Aggregates, Inc.
October 14, 2021: PORTABLE CRUSHER STA 6014 - BADER PIT, Bracketville, TXR05EO21, held by South Texas Aggregates, Inc.
October 14, 2021: SHALLOW VALLEY PIT, Rankin, TXR05EO22, held by South Texas Aggregates, Inc.

CHAPMAN PLANT among its neighbors

EPA’s permit file holds 1 discharge permits in the Upper Blanco Creek subwatershed (HUC 121101060501), TXR05AR91 among them. Its county holds 29, 1 of them major permits; TXR05AR91 is a minor permit.

Identity

Facility as filed	CHAPMAN PLANT
Permittee as filed	South Texas Aggregates, Inc.
NPDES ID	TXR05AR91
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Program	Industrial stormwater
Issued	October 14, 2021
Expiration date	August 13, 2026
Address	Sabinal, TX 78881
Subwatershed	Upper Blanco Creek (HUC 121101060501)
SIC	1422 – Crushed And Broken Limestone

Effluent limits and exceedances

14Pollutants on file
14Under a numeric limit
0With a violation of any kind
0With an effluent exceedance

An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.

Pollutant or measure	Limits	Violations, any kind	Effluent exceedances	Latest exceedance	Largest exceedance, as filed
pH	2	0	0
Solids, total suspended	1	0	0
Arsenic, total [as As]	1	0	0
Barium, total [as Ba]	1	0	0
Cadmium, total [as Cd]	1	0	0
Chromium, total [as Cr]	1	0	0
Copper, total [as Cu]	1	0	0
Lead, total [as Pb]	1	0	0
Manganese, total [as Mn]	1	0	0
Nickel, total [as Ni]	1	0	0
Silver, total [as Ag]	1	0	0
Zinc, total [as Zn]	1	0	0
Selenium, total [as Se]	1	0	0
Mercury, total [as Hg]	1	0	0

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES TXR05AR91.

Inspections, violations and enforcement

2Single-event violations

Date	What EPA recorded	Agency
February 6, 2026	Permit Violations - Violation Specified in Comment	ST6
July 12, 2023	Permit Violations - Violation Specified in Comment	ST6

Inspections

Date	What EPA recorded	Agency
February 6, 2026	Evaluation	S

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES TXR05AR91.

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Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

This public-records page covers NPDES permit TXR05AR91 for CHAPMAN PLANT in Sabinal, TX, held by South Texas Aggregates, Inc., and lists its status as administratively continued with a minor discharger class. The permit was issued October 14, 2021 and expires August 13, 2026, and the file records 14 pollutants on file, 14 under a numeric limit, and 0 with an effluent exceedance.