Clean Water Act discharge permit · NPDES TXR1550QJ

LOWRIE PLACE SUBDIVISION AKA ROYAL CREST, San Antonio, TX: NPDES TXR1550QJ discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
0Pollutants under a numeric limit
0Pollutants with an effluent exceedance

LOWRIE PLACE SUBDIVISION AKA ROYAL CREST, held by Davidson Homes LLC, holds NPDES permit TXR1550QJ, which discharges to Martinez Creek 1902a. EPA’s file records it issued March 27, 2024 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 LOWRIE PLACE SUBDIVISION AKA ROYAL CREST: 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 TXR1550QJ.

Identity

Facility as filed	LOWRIE PLACE SUBDIVISION AKA ROYAL CREST
Permittee as filed	Davidson Homes LLC
NPDES ID	TXR1550QJ
Permit status	Effective
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Program	Construction stormwater
Issued	March 27, 2024
Expiration date	March 4, 2028
Address	San Antonio, TX 78239
Receiving water	MARTINEZ CREEK 1902A
Subwatershed	Beitel Creek-Salado Creek (HUC 121003010104)
SIC	1521 – 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

0Pollutants on file
0Under a numeric limit
0With a violation of any kind
0With an effluent exceedance

EPA’s limits and effluent violation files hold no pollutant row for NPDES TXR1550QJ.

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

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES TXR1550QJ.

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, TXR1550QJ.

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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 TXR1550QJ there.

Nearby on the register

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

The Lowrie Place Subdivision AKA Royal Crest permit, held by Davidson Homes LLC, is one of 1,788 storm water construction permits on EPA's NPDES register in Bexar County, and the subwatershed it sits in holds 59 NPDES permits, this one included. Of the 1,787 storm water construction permits in Bexar County other than this one, 16.1% were issued before it, while 0.2% of the 1,788 such permits in the county carry a violation on file, and this permit has no pollutants under a numeric limit and no effluent exceedances.