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Clean Water Act discharge permit · NPDES TX0145629

CLAY PARTNERS MRL WWTF, Mustang Ridge, TX: NPDES TX0145629 discharge permit, effluent exceedances, inspections, penalties

CLAY PARTNERS MRL WWTF, held by CLAY PARTNERS-MUSTANG RIDGE LAND 1 LP, holds NPDES permit TX0145629, which discharges to Colorado River Above La Grange. EPA’s file records it issued December 2, 2024 and expiring December 2, 2029.

CLAY PARTNERS MRL WWTF, Mustang Ridge, Texas: Individual permit TX0145629, held by CLAY PARTNERS-MUSTANG RIDGE LAND 1 LP; Effective; issued December 2, 2024, term to December 2, 2029; discharges to Colorado River Above La Grange.

CLAY PARTNERS MRL WWTF among its neighbors

EPA’s permit file holds 41 discharge permits in the Maha Creek subwatershed (HUC 120903010301), TX0145629 among them. Its county holds 1,099, 15 of them major permits; TX0145629 is a minor permit.

Other permits in the Maha Creek subwatershed (HUC 120903010301)

  • ALTERMAN CREEDMOR, Creedmoor: TXR1577UJ, minor permit, discharging to SOIL CONSERVATION SERVICE 16 RESVR, permit term to March 4, 2028
  • AUSTIN METRO BUSINESS PARK, Creedmoor: TXR1515QJ, minor permit, discharging to MAJA CREEK, permit term to March 4, 2028
  • CMWSC PHASES 2B ALEXANDER LOOP WATER LINE IMPROV, Mustang Ridge: TXR1595YY, minor permit, discharging to MAHA CREEK, permit term to March 4, 2028
  • COUNTY LINE SUBSTATION, Cedar Creek: TXR1523YE, minor permit, discharging to MAHA CREEK, permit term to March 4, 2028
  • COUNTY LINE SUBSTATION, Cedar Creek: TXR1536YB, minor permit, discharging to MAHA CREEK, permit term to March 4, 2028
  • CREEDMOOR 216 SUBDIVISION PHASE 1B, Creedmoor: TXR1583UG, minor permit, discharging to UNNAMED TRIBUTARY, permit term to March 4, 2028
  • CREEDMOOR BUSINESS PARK LOTS 11-15, Creedmoor: TXR1515MI, minor permit, discharging to MAHA CREEK, permit term to March 4, 2028
  • CREEDMORE 216, Buda: TXR1510RK, minor permit, discharging to ROADSIDE STORM DITCHES AND UNNAMED TRIDUTARIES, permit term to March 4, 2028
  • CREEDMORE 216, Buda: TXR1539SU, minor permit, discharging to ROADSIDE STORM DITCHES AND UNNAMED TRIDUTARIES, permit term to March 4, 2028
  • CRU-WRRF2, City Of Mustang Ridge: TX0141143, minor permit, discharging to Colorado River Above La Grange, permit term to April 29, 2027

What the register holds for CLAY PARTNERS MRL WWTF: its NPDES ID, its permit type and status, its dates, its address in Mustang Ridge, Texas, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES TX0145629.

Identity

Facility as filedCLAY PARTNERS MRL WWTF
Permittee as filedCLAY PARTNERS-MUSTANG RIDGE LAND 1 LP
NPDES IDTX0145629
Permit statusEffective
Permit typeIndividual permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedDecember 2, 2024
Expiration dateDecember 2, 2029
AddressMustang Ridge, TX 78747
Receiving waterColorado River Above La Grange
SubwatershedMaha Creek (HUC 120903010301)

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES TX0145629.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES TX0145629.

Inspections

EPA’s inspection file holds no inspection for NPDES TX0145629.

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 TX0145629.

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, TX0145629.

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Nearby on the register

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

What this page shows

The Clay Partners MRL WWTF permit, issued to CLAY PARTNERS-MUSTANG RIDGE LAND 1 LP, is one of 42 individual permits in Travis County on EPA's NPDES register, and 96.9% of the 32 individual permits in that county, this one included, carry an earlier issue date than it does. Among the 41 NPDES permits in the Maha Creek subwatershed, this one included, it shares that watershed with a large group, and the permit records no pollutants under a numeric limit and no pollutants with an effluent exceedance, both counted as 0.