Clean Water Act discharge permit · NPDES TXR040105

CITY OF HUTTO MS4, Hutto, TX: NPDES TXR040105 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

CITY OF HUTTO MS4, held by City Of Hutto, holds NPDES permit TXR040105, which discharges to South Fork Mustang Creek. EPA’s file records it issued July 26, 2023 and expiring January 23, 2024.

CITY OF HUTTO MS4, Hutto, Texas: Coverage under a general permit TXR040105, held by City Of Hutto; Administratively continued (past its expiration date and still in force until reissued); issued July 26, 2023, term to January 23, 2024, by TCEQ; discharges to SOUTH FORK MUSTANG CREEK.

March 16, 2026: Permit Violations - Violation Specified in Comment (ST6).
March 16, 2026: Focused (S).
July 14, 2020: Permit Violations - Violation Specified in Comment (ST6).

CITY OF HUTTO MS4 among its neighbors

EPA’s permit file holds 111 discharge permits in the Cottonwood Creek-Brushy Creek subwatershed (HUC 120702050404), TXR040105 among them. Its county holds 965, 17 of them major permits; TXR040105 is a minor permit.

Other permits in the Cottonwood Creek-Brushy Creek subwatershed (HUC 120702050404)

0914-05-204 CR 118 BRIDGE REPLACEMENT & NEW ROAD, Hutto: TXR1545QK, minor permit, discharging to N/A, permit term to March 4, 2028
0914-05-204 CR 118 BRIDGE REPLACEMENT & NEW ROAD, Hutto: TXR1590PJ, minor permit, discharging to COTTONWOOD CREEK, permit term to March 4, 2028
ALPHA FUEL C-STORE, Hutto: TXR1568TV, minor permit, discharging to EXISTING DRAINAGE DITCH TO BRUSHY CREEK TO SAN GAB, permit term to March 4, 2028
ALTA ED SCHMIDT APARTMENTS, Hutto: TXR1548TS, minor permit, discharging to BRUSHY CREEK, permit term to March 4, 2028
AUSTIN WOOD RECYCLING INC - HUTTO, Hutto: TXR05FW17, minor permit, permit term to August 13, 2026
AVERY CENTRE EAST - PH 1 SEC 4 & 5, Round Rock: TXR1504NR, minor permit, discharging to BRUSHY CREEK, permit term to March 4, 2028
BLUFFS AT BLACKHAWK LIFT STATION AND FORCE MAINS, Hutto: TXR1575ZB, minor permit, discharging to COTTONWOOD CREEK, permit term to March 4, 2028
BLUFFS AT BLACKHAWK PHASES 1 2 3 AND 4, Hutto: TXR1568ZA, minor permit, discharging to COTTONWOOD CREEK, permit term to March 4, 2028
BLUFFS AT BLACKHAWK PHASES 1 2 3 AND 4, Hutto: TXR1576ZB, minor permit, discharging to COTTONWOOD CREEK, permit term to March 4, 2028
BRUSHY CREEK INDUSTRIAL PARK LOT 4C, Hutto: TXR1584QX, minor permit, discharging to BRUSHY CREEK, permit term to March 4, 2028

Identity

Facility as filed	CITY OF HUTTO MS4
Permittee as filed	City Of Hutto
NPDES ID	TXR040105
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
Issued	July 26, 2023
Expiration date	January 23, 2024
Issuing agency	TCEQ
Address	Hutto, TX 78634
Receiving water	SOUTH FORK MUSTANG CREEK
Subwatershed	Cottonwood Creek-Brushy Creek (HUC 120702050404)
SIC	9111 – Executive Offices

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 TXR040105.

Inspections, violations and enforcement

2Single-event violations

Date	What EPA recorded	Agency
March 16, 2026	Permit Violations - Violation Specified in Comment	ST6
July 14, 2020	Permit Violations - Violation Specified in Comment	ST6

Inspections

Date	What EPA recorded	Agency
March 16, 2026	Focused	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 TXR040105.

Watch this permit

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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 TXR040105, held by City Of Hutto for the CITY OF HUTTO MS4 in Hutto, TX, which discharges to South Fork Mustang Creek in the Cottonwood Creek-Brushy Creek subwatershed (HUC 120702050404). The permit is listed as administratively continued, with a minor discharger class, zero pollutants under a numeric limit, and zero pollutants with an effluent exceedance.