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Clean Water Act discharge permit · NPDES TX0139271

NORTHLAKE CORNERS WWTP, Northlake, TX: NPDES TX0139271 discharge permit, effluent exceedances, inspections, penalties

NORTHLAKE CORNERS WWTP, held by NORTHLAKE CORNERS LLC, holds NPDES permit TX0139271, which discharges to Grapevine Lake. EPA’s file records it issued November 5, 2020 and expiring November 5, 2025. 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 CORNERS WWTP: its NPDES ID, its permit type and status, its dates, its address in Northlake, Texas, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES TX0139271.

Identity

Facility as filedNORTHLAKE CORNERS WWTP
Permittee as filedNORTHLAKE CORNERS LLC
NPDES IDTX0139271
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedNovember 5, 2020
Expiration dateNovember 5, 2025
AddressNorthlake, TX 76247
Receiving waterGrapevine Lake
SubwatershedElizabeth Creek-Denton Creek (HUC 120301040303)
SIC4952 – Sewerage Systems

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 TX0139271.

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 TX0139271.

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, TX0139271.

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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 TX0139271 there.

Nearby on the register

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

What this page shows

NORTHLAKE CORNERS WWTP is one of 46 individual permits on EPA's NPDES register in Denton County, and 23.9% of those 46 permits have a violation on file. Among the 84 NPDES permits in the Elizabeth Creek-Denton Creek subwatershed, this permit is one of them. The facility has zero pollutants under a numeric limit and zero pollutants with an effluent exceedance.