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Clean Water Act discharge permit · NPDES TX0139181

RANCHO SAN GABRIEL WASTEWATER TREATMENT FACILITY, Jonah, TX: NPDES TX0139181 discharge permit, effluent exceedances, inspections, penalties

RANCHO SAN GABRIEL WASTEWATER TREATMENT FACILITY, held by WILLIAMSON COUNTY MUD 16, holds NPDES permit TX0139181, which discharges to San Gabriel;N Fork San Gabriel Rvr. EPA’s file records it issued February 21, 2020 and expiring February 21, 2025. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

What the register holds for RANCHO SAN GABRIEL WASTEWATER TREATMENT FACILITY: its NPDES ID, its permit type and status, its dates, its address in Jonah, Texas, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES TX0139181.

Identity

Facility as filedRANCHO SAN GABRIEL WASTEWATER TREATMENT FACILITY
Permittee as filedWILLIAMSON COUNTY MUD 16
NPDES IDTX0139181
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMinor discharger
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedFebruary 21, 2020
Expiration dateFebruary 21, 2025
AddressJonah, TX 78626
Receiving waterSAN GABRIEL;N FORK SAN GABRIEL RVR
SubwatershedMileham Branch-San Gabriel River (HUC 120702050502)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES TX0139181.

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

EPA’s single-event violation file, as loaded, holds no violation for NPDES TX0139181.

Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.

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

Watch this permit

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, TX0139181.

Start the watch

How often?
  • One permit holder — $99/month
  • One watershed — $2,990/year
  • One state — $4,990/year
  • The whole register — $18,000/year

How we handle your data → Privacy

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 TX0139181 there.

Nearby on the register

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