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Clean Water Act discharge permit · NPDES TXR1539OX

ESTANCIA WEST, Austin, TX: NPDES TXR1539OX discharge permit, effluent exceedances, inspections, penalties

ESTANCIA WEST, held by M/I Homes of Austin, LLC, holds NPDES permit TXR1539OX, which discharges to Onion Creek. EPA’s file records it issued November 3, 2023 and expiring March 4, 2028.

ESTANCIA WEST, Austin, Texas: Coverage under a general permit TXR1539OX, held by M/I Homes of Austin, LLC; Construction stormwater; Effective; issued November 3, 2023, term to March 4, 2028; discharges to ONION CREEK.

Texas holds 23,986 Construction stormwater coverages of this permit type in EPA’s file; 4,614 were issued before TXR1539OX. M/I Homes of Austin, LLC holds 13 permits in Texas.

Other permits held by M/I Homes of Austin, LLC

Coverages issued nearest TXR1539OX

ESTANCIA WEST among its neighbors

EPA’s permit file holds 47 discharge permits in the Mustang Branch-Onion Creek subwatershed (HUC 120902050405), TXR1539OX among them. Its county holds 1,099, 15 of them major permits; TXR1539OX is a minor permit.

Other permits in the Mustang Branch-Onion Creek subwatershed (HUC 120902050405)

What the register holds for ESTANCIA WEST: 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 TXR1539OX.

Identity

Facility as filedESTANCIA WEST
Permittee as filedM/I Homes of Austin, LLC
NPDES IDTXR1539OX
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedNovember 3, 2023
Expiration dateMarch 4, 2028
AddressAustin, TX 78728
Receiving waterONION CREEK
SubwatershedMustang Branch-Onion Creek (HUC 120902050405)

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES TXR1539OX.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES TXR1539OX.

Inspections

EPA’s inspection file holds no inspection for NPDES TXR1539OX.

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 TXR1539OX.

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, TXR1539OX.

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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

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Nearby on the register

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

What this page shows

The ESTANCIA WEST storm water construction coverage is one of 894 such permits in Travis County, and among the 47 NPDES permits in the Mustang Branch-Onion Creek subwatershed, this one included. Only 0.3% of those 894 Travis County storm water construction permits have a violation on file, and this permit has no pollutants under a numeric limit or effluent exceedances recorded against it.