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Clean Water Act discharge permit · NPDES TXR1577TF

ALSATIAN OAKS, Castroville, TX: NPDES TXR1577TF discharge permit, effluent exceedances, inspections, penalties

ALSATIAN OAKS, held by Chesmar Homes, LLC, holds NPDES permit TXR1577TF, which discharges to Flat Creek. EPA’s file records it issued January 9, 2025 and expiring March 4, 2028.

ALSATIAN OAKS, Castroville, Texas: Coverage under a general permit TXR1577TF, held by Chesmar Homes, LLC; Construction stormwater; Effective; issued January 9, 2025, term to March 4, 2028; discharges to FLAT CREEK.

Texas holds 23,986 Construction stormwater coverages of this permit type in EPA’s file; 10,910 were issued before TXR1577TF. Chesmar Homes, LLC holds 73 permits in Texas.

Other permits held by Chesmar Homes, LLC

Coverages issued nearest TXR1577TF

ALSATIAN OAKS among its neighbors

EPA’s permit file holds 36 discharge permits in the Flat Creek-Medina River subwatershed (HUC 121003020501), TXR1577TF among them. Its county holds 139, 1 of them major permits; TXR1577TF is a minor permit.

Other permits in the Flat Creek-Medina River subwatershed (HUC 121003020501)

What the register holds for ALSATIAN OAKS: its NPDES ID, its permit type and status, its dates, its address in Castroville, Texas, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES TXR1577TF.

Identity

Facility as filedALSATIAN OAKS
Permittee as filedChesmar Homes, LLC
NPDES IDTXR1577TF
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedJanuary 9, 2025
Expiration dateMarch 4, 2028
AddressCastroville, TX 78009
Receiving waterFLAT CREEK
SubwatershedFlat Creek-Medina River (HUC 121003020501)

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES TXR1577TF.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES TXR1577TF.

Inspections

EPA’s inspection file holds no inspection for NPDES TXR1577TF.

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 TXR1577TF.

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, TXR1577TF.

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Nearby on the register

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

What this page shows

ALSATIAN OAKS is one of 108 storm water construction permits on EPA's NPDES register in Medina County. It is located in a subwatershed that contains 36 NPDES permits, and 38.0% of the county's storm water construction permits have an earlier issue date than this permit. The facility has no pollutants under a numeric limit and no pollutants with an effluent exceedance.