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Clean Water Act discharge permit · NPDES TXR1548VT

NORTHLAKE - PHASE 3, San Antonio, TX: NPDES TXR1548VT discharge permit, effluent exceedances, inspections, penalties

NORTHLAKE - PHASE 3, held by Yc Partners, LLC, holds NPDES permit TXR1548VT, which discharges to Calaveras Reservior. EPA’s file records it issued September 4, 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 NORTHLAKE - PHASE 3: 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 TXR1548VT.

Identity

Facility as filedNORTHLAKE - PHASE 3
Permittee as filedYc Partners, LLC
NPDES IDTXR1548VT
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedSeptember 4, 2025
Expiration dateMarch 4, 2028
AddressSan Antonio, TX 78263
Receiving waterCALAVERAS RESERVIOR
SubwatershedUpper Calaveras Creek (HUC 121003010302)
SIC1794 – Excavation Work

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 TXR1548VT.

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 TXR1548VT.

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, TXR1548VT.

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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 TXR1548VT there.

Nearby on the register

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

What this page shows

NORTHLAKE - PHASE 3, a Storm Water Construction permit held by Yc Partners, LLC in San Antonio, is one of 1,788 such permits in Bexar County on EPA's NPDES register, and it sits within the Upper Calaveras Creek subwatershed, which contains 118 NPDES permits including this one. The permit records no pollutants under a numeric limit and no effluent exceedances, while 59.7% of the 1,787 Bexar County storm water construction permits, this one included, carry an earlier issue date.