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Clean Water Act discharge permit · NPDES TXR040448

VISTA OAKS MUD OF WILLIAMSON COUNTY MS4, City Of Round Rock, TX: NPDES TXR040448 discharge permit, effluent exceedances, inspections, penalties

VISTA OAKS MUD OF WILLIAMSON COUNTY MS4, held by VISTA OAKS MUNICIPAL UTILITY DISTRICT OF WILLIAMSON COUNTY, holds NPDES permit TXR040448, which discharges to Honey Bear Creek. EPA’s file records it issued December 7, 2023 and expiring January 24, 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.

What the register holds for VISTA OAKS MUD OF WILLIAMSON COUNTY MS4: its NPDES ID, its permit type and status, its dates, its address in City Of Round Rock, Texas, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES TXR040448.

Identity

Facility as filedVISTA OAKS MUD OF WILLIAMSON COUNTY MS4
Permittee as filedVISTA OAKS MUNICIPAL UTILITY DISTRICT OF WILLIAMSON COUNTY
NPDES IDTXR040448
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedDecember 7, 2023
Expiration dateJanuary 24, 2024
Issuing agencyTCEQ
AddressCity Of Round Rock, TX 78665
Receiving waterHONEY BEAR CREEK
SubwatershedChandler Branch-Brushy Creek (HUC 120702050403)
SIC9511 – Air, Water, & Solid Waste Management

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

EPA’s limits and effluent violation files hold no pollutant row for NPDES TXR040448.

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 TXR040448.

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, TXR040448.

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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 TXR040448 there.

Nearby on the register

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

What this page shows

VISTA OAKS MUD OF WILLIAMSON COUNTY MS4 is one of 33 general permit coverages on EPA's NPDES register in Williamson County. It is one of 52 NPDES permits in the Chandler Branch-Brushy Creek subwatershed, and 48.5% of the 33 general permit coverages in Williamson County have an earlier issue date than this permit.