Velarion Records
Follow this permit Velarion Records emails you this permit’s record, cited to the public filing, and tells you when the register changes it. Free.
We’ll email you a link to confirm. The continuous daily watch on every change is the paid alert. Unsubscribe any time.
Also free: The Pay Desk, the weekly executive pay briefing.

Clean Water Act discharge permit · NPDES TXR1581UD

CASTLEROCK COMMUNITIES - GARDEN GROVE, San Antonio, TX: NPDES TXR1581UD discharge permit, effluent exceedances, inspections, penalties

CASTLEROCK COMMUNITIES - GARDEN GROVE, held by Castlerock Communities LLC, holds NPDES permit TXR1581UD, which discharges to Calaveras Creek. EPA’s file records it issued April 2, 2025 and expiring March 4, 2028. 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 CASTLEROCK COMMUNITIES - GARDEN GROVE: its NPDES ID, its permit type and status, its dates, its address in San Antonio, Texas, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES TXR1581UD.

Identity

Facility as filedCASTLEROCK COMMUNITIES - GARDEN GROVE
Permittee as filedCastlerock Communities LLC
NPDES IDTXR1581UD
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedApril 2, 2025
Expiration dateMarch 4, 2028
AddressSan Antonio, TX 78263
Receiving waterCALAVERAS CREEK
SubwatershedUpper Calaveras Creek (HUC 121003010302)
SIC1521 – Single-Family Housing Construction

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 TXR1581UD.

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 TXR1581UD.

Inspections

EPA’s inspection file holds no inspection for NPDES TXR1581UD.

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 TXR1581UD.

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, TXR1581UD.

Start the watch

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 TXR1581UD there.

CASTLEROCK COMMUNITIES - GARDEN GROVE, San Antonio, Texas: Coverage under a general permit TXR1581UD, held by Castlerock Communities LLC; Construction stormwater; Effective; issued April 2, 2025, term to March 4, 2028; discharges to CALAVERAS CREEK.

Texas holds 23,986 Construction stormwater coverages of this permit type in EPA’s file; 12,528 were issued before TXR1581UD. Castlerock Communities LLC holds 74 permits in Texas.

Other permits held by Castlerock Communities LLC

Coverages issued nearest TXR1581UD

CASTLEROCK COMMUNITIES - GARDEN GROVE among its neighbors

EPA’s permit file holds 118 discharge permits in the Upper Calaveras Creek subwatershed (HUC 121003010302), TXR1581UD among them. Its county holds 2,157, 12 of them major permits; TXR1581UD is a minor permit.

Other permits in the Upper Calaveras Creek subwatershed (HUC 121003010302)

  • 87 PIT, San Antonio: TXR05FN77, minor permit, permit term to August 13, 2026
  • 9362 HILDEBRANDT, San Antonio: TXR1568QP, minor permit, discharging to CALAVERAS RESERVOIR, permit term to March 4, 2028
  • ALAMO CITY ESS, San Antonio: TXR1596XM, minor permit, discharging to HONDO CREEK, permit term to March 4, 2028
  • ALAMO CITY SUBSTATION ESS, San Antonio: TXR1578WS, minor permit, discharging to SALADO CREEK, permit term to March 4, 2028
  • ANNABELLE RANCH, San Antonio: TXR1564MD, minor permit, discharging to HONDO CREEK, permit term to March 4, 2028
  • BLUE RIDGE - HOME BUILDING, San Antonio: TXR1579UI, minor permit, discharging to CALAVERAS RESERVIOR, permit term to March 4, 2028
  • BLUE RIDGE RANCH, San Antonio: TXR1508VL, minor permit, discharging to UNNAMED TRIBUTARY TO CALAVERAS CREEK TO CALAVERAS, permit term to March 4, 2028
  • BLUE RIDGE RANCH SUBD UNIT 7, San Antonio: TXR1553UF, minor permit, discharging to ROSILLO CREEK 1910B, permit term to March 4, 2028
  • BLUERIDGE RANCH, San Antonio: TXR1590SC, minor permit, discharging to ROSILLO CREEK, permit term to March 4, 2028
  • C&F TOOL & DIE, San Antonio: TXRNEBV90, minor permit, permit term to August 13, 2026

Nearby on the register

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

What this page shows

The Castlerock Communities - Garden Grove storm water construction permit (NPDES ID TXR1581UD), held by Castlerock Communities LLC in San Antonio, Bexar County, Texas, is one of 1,788 storm water construction permits in Bexar County on EPA's NPDES register, this one included. Only 0.2% of those 1,788 permits in the county have a violation on file, and the permit records no pollutant under a numeric limit and no effluent exceedance. Among the 118 NPDES permits in the Upper Calaveras Creek subwatershed, this one included, it was issued on April 2, 2025, a date that falls later than 45.8% of the 1,787 storm water construction permits in Bexar County.