Clean Water Act discharge permit · NPDES TXG921487

WINDMILL DAIRY, Dublin, TX: NPDES TXG921487 discharge permit, effluent exceedances, inspections, penalties

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

WINDMILL DAIRY, held by Vander Horst Enterprises, LLC, holds NPDES permit TXG921487, which discharges to Leon River Below Leon Reservoir. EPA’s file records it issued September 9, 2019 and expiring July 20, 2024. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filed	WINDMILL DAIRY
Permittee as filed	Vander Horst Enterprises, LLC
NPDES ID	TXG921487
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	Concentrated animal feeding operations
Issued	September 9, 2019
Expiration date	July 20, 2024
Address	Dublin, TX 76446
Receiving water	LEON RIVER BELOW LEON RESERVOIR
Subwatershed	Henning Creek-Hackberry Creek (HUC 120702010205)
SIC	0241 – Dairy Farms

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.

Effluent limits and exceedances

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

EPA’s limits and effluent violation files hold no pollutant row for NPDES TXG921487.

Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.

Inspections, violations and enforcement

2Single-event violations

Date	What EPA recorded	Agency
August 22, 2022	Permit Violations - Violation Specified in Comment	ST6
August 10, 2022	Permit Violations - Violation Specified in Comment	ST6

Inspections

Date	What EPA recorded	Agency
June 5, 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 TXG921487.

Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.

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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID TXG921487 there.

WINDMILL DAIRY, Dublin, Texas: Coverage under a general permit TXG921487, held by Vander Horst Enterprises, LLC; Concentrated animal feeding operations; Administratively continued (past its expiration date and still in force until reissued); issued September 9, 2019, term to July 20, 2024; discharges to LEON RIVER BELOW LEON RESERVOIR.

June 5, 2026: Evaluation (S).
August 22, 2022: Permit Violations - Violation Specified in Comment (ST6).
August 10, 2022: Permit Violations - Violation Specified in Comment (ST6).

Texas holds 248 Concentrated animal feeding operations coverages of this permit type in EPA’s file; 34 were issued before TXG921487. Vander Horst Enterprises, LLC holds 4 permits in Texas.

Other permits held by Vander Horst Enterprises, LLC

DESPERADO DAIRY, Dublin: TXG921488, issued 2019-09-09
SIERRA DAIRY, Dublin: TXG921489, issued 2019-09-09
CROSSROADS DAIRY, Dublin: TXG921490, issued 2019-09-09

Coverages issued nearest TXG921487

2019-08-29: OT FEEDYARD & RESEARCH CENTER, Hereford: TXG921159, held by Sendero Feedyard, LLC
2019-08-29: WILDCAT DAIRY, Gustine: TXG921255, held by WILDCAT DAIRY LLC
2019-09-04: RJ DAIRY, Dublin: TXG921143, held by JIMENEZ, HECTOR
2019-09-05: IDALOU EGG RANCH, Idalou: TXG920681, held by IDALOU EGG RANCH LP
2019-09-09: HALE CENTER FEEDYARD, Hale Center: TXG921394, held by Feedyards, Inc.
2019-09-09: DESPERADO DAIRY, Dublin: TXG921488, held by Vander Horst Enterprises, LLC
2019-09-09: SIERRA DAIRY, Dublin: TXG921489, held by Vander Horst Enterprises, LLC
2019-09-09: CROSSROADS DAIRY, Dublin: TXG921490, held by Vander Horst Enterprises, LLC
2019-09-11: SIMPSON RANCH FEEDYARD, San Angelo: TXG920041, held by SIMPSON RANCH FEEDYARD INC
2019-09-12: DIAMOND CATTLE FEEDERS, Hereford: TXG920284, held by Diamond Cattle Feeders, Inc.

WINDMILL DAIRY among its neighbors

6 discharge permits are in the Henning Creek-Hackberry Creek subwatershed (HUC 120702010205); TXG921487 is one. Its county: 165, 1 major; TXG921487 is minor permit.

Other permits in the Henning Creek-Hackberry Creek subwatershed (HUC 120702010205)

CROSS ROADS, Dublin: TXG921021, minor, term to 2009-07-20
CROSSROADS DAIRY, Dublin: TXG921490, minor, term to 2024-07-20
MOO VIEW DAIRY, Dublin: TXR1534WX, minor, term to 2028-03-04
MOOVIEW DAIRY, Dublin: TXG920167, minor, term to 2009-07-20
SUNSET HEIFER RANCH, Dublin: TXG920982, minor, term to 2024-07-20

Nearby on the register

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

What this page shows

This public-records page covers NPDES permit TXG921487 for WINDMILL DAIRY in Dublin, TX, held by Vander Horst Enterprises, LLC, which discharges to LEON RIVER BELOW LEON RESERVOIR in the Henning Creek-Hackberry Creek subwatershed (HUC 120702010205). The permit is administratively continued, with a minor discharger class, 0 pollutants under a numeric limit, and 0 pollutants with an effluent exceedance.