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Clean Water Act discharge permit · NPDES TXR1553XZ

LITTLE WALNUT CREEK JAMESTOWN TRIBUTARY, Austin, TX: NPDES TXR1553XZ discharge permit, effluent exceedances, inspections, penalties

LITTLE WALNUT CREEK JAMESTOWN TRIBUTARY, held by SANTA CLARA CONSTRUCTION, LTD., holds NPDES permit TXR1553XZ, which discharges to Little Walnut Creek. EPA’s file records it issued April 20, 2026 and expiring March 4, 2028. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

What the register holds for LITTLE WALNUT CREEK JAMESTOWN TRIBUTARY: its NPDES ID, its permit type and status, its dates, its address in Austin, Texas, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES TXR1553XZ.

Identity

Facility as filedLITTLE WALNUT CREEK JAMESTOWN TRIBUTARY
Permittee as filedSANTA CLARA CONSTRUCTION, LTD.
NPDES IDTXR1553XZ
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedApril 20, 2026
Expiration dateMarch 4, 2028
AddressAustin, TX 78758
Receiving waterLITTLE WALNUT CREEK
SubwatershedWalnut Creek-Colorado River (HUC 120902050307)

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 TXR1553XZ.

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 TXR1553XZ.

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, TXR1553XZ.

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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 TXR1553XZ there.

Nearby on the register

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

What this page shows

The Little Walnut Creek Jamestown Tributary storm water construction permit held by Santa Clara Construction, Ltd. is one of 894 such permits in Travis County, and it sits within a subwatershed that counts 104 NPDES permits, this one included. It has no numeric-limit pollutants and no effluent exceedances on record, and among the 894 Travis County storm water construction permits, 0.3% have a violation on file.