Clean Water Act discharge permit · NPDES TX0139131

INDEPENDENCE TRIAL WWTP, San Marcos, TX: NPDES TX0139131 discharge permit, effluent exceedances, inspections, penalties

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

INDEPENDENCE TRIAL WWTP, held by & MCLB LAND LLC, holds NPDES permit TX0139131, which discharges to Lower San Marcos River. EPA’s file records it issued June 14, 2021 and expiring June 14, 2026.

INDEPENDENCE TRIAL WWTP, San Marcos, Texas: Individual permit TX0139131, held by & MCLB LAND LLC; Publicly owned treatment works; Administratively continued (past its expiration date and still in force until reissued); issued June 14, 2021, term to June 14, 2026; discharges to Lower San Marcos River.

Texas holds 1,720 Publicly owned treatment works coverages of this permit type in EPA’s file; 1,538 were issued before TX0139131.

Coverages issued nearest TX0139131

June 1, 2021: VINEYARD WWTP, Florence, TX0140210, held by VINEYARD MMD NO. 1
June 2, 2021: HANKAMER WWTF, Hankamer, TX0133523, held by TRINITY BAY CONSERVATION DISTRICT
June 4, 2021: CITY OF CELINA WWTP, Celina, TX0023272, held by CELINA, CITY OF
June 14, 2021: CITY OF COMMERCE WWTF, Commerce, TX0020591, held by COMMERCE, CITY OF
June 14, 2021: NORTHWEST WWTP, Houston, TX0063011, held by HOUSTON, CITY OF
June 18, 2021: FRONTIER PARK WWTP, Hemphill, TX0135160, held by SABINE RIVER AUTHORITY OF TEXAS
June 21, 2021: CITY OF CLEBURNE WWTP, Cleburne, TX0047155, held by CLEBURNE, CITY OF
June 21, 2021: CITY OF COLMESNEIL WWTP, Colmesneil, TX0100692, held by COLMESNEIL, CITY OF
June 22, 2021: SABINE CREEK REGIONAL WWTP, Rockwall County, TX0126110, held by NORTH TEXAS MUNICIPAL WATER DISTRICT
June 24, 2021: CITY OF QUINLAN WWTP, Quinlan, TX0022331, held by QUINLAN, CITY OF

INDEPENDENCE TRIAL WWTP among its neighbors

EPA’s permit file holds 50 discharge permits in the Middle York Creek subwatershed (HUC 121002030306), TX0139131 among them. Its county holds 410, 3 of them major permits; TX0139131 is a minor permit.

Other permits in the Middle York Creek subwatershed (HUC 121002030306)

COMAL ISD MIDDLE SCHOOL 9, New Braunfels: TXR1569RP, minor permit, discharging to ALLIGATOR CREEK, permit term to March 4, 2028
CONTINENTAL AUTOMOTIVE SYSTEMS, New Braunfels: TXR05GG20, minor permit, permit term to August 13, 2026
CREEKSIDE STATION WWTP, Zorn: TX0139688, minor permit, discharging to Lower San Marcos River, permit term to January 15, 2026
FRONTIER SAN MARCOS, San Marcos: TXR05GG89, minor permit, permit term to August 13, 2026
GRFC PLANT, San Marcos: TXG113987, minor permit, permit term to November 6, 2026
HERITAGE AT COTTONWOOD CREEK, San Marcos: TXR1569QQ, minor permit, discharging to LOWER SAN MARCOS RIVER, permit term to March 4, 2028
HUNTER CEMENT CLAY QUARRY, New Braunfels: TXR05GA55, minor permit, permit term to August 13, 2026
INGENIUM GROUP, San Marcos: TXRNEBW99, minor permit, permit term to August 13, 2026
MASON PH 1, San Marcos: TXR1509VP, minor permit, discharging to ALLIGATOR CREEK, permit term to March 4, 2028
MASON PH 1, San Marcos: TXR1583VP, minor permit, discharging to ALLIGATOR CREEK, permit term to March 4, 2028

What the register holds for INDEPENDENCE TRIAL WWTP: its NPDES ID, its permit type and status, its dates, its address in San Marcos, Texas, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES TX0139131.

Identity

Facility as filed	INDEPENDENCE TRIAL WWTP
Permittee as filed	& MCLB LAND LLC
NPDES ID	TX0139131
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Publicly owned treatment works
Program	Publicly owned treatment works
Issued	June 14, 2021
Expiration date	June 14, 2026
Address	San Marcos, TX 78666
Receiving water	Lower San Marcos River
Subwatershed	Middle York Creek (HUC 121002030306)

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 TX0139131.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES TX0139131.

Inspections

EPA’s inspection file holds no inspection for NPDES TX0139131.

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 TX0139131.

Watch this permit

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Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

The INDEPENDENCE TRIAL WWTP permit, held by & MCLB LAND LLC, is one of 10 POTW permits in Hays County on EPA's NPDES register, and 80.0% of those 10 permits carry a violation on file. Within the Middle York Creek subwatershed, it sits among 50 NPDES permits, including this one. The permit records no pollutants under a numeric limit and no effluent exceedances.