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Clean Water Act discharge permit · NPDES TXR1510TC

CYPRESS WATERS SWITCH, Dallas, TX: NPDES TXR1510TC discharge permit, effluent exceedances, inspections, penalties

CYPRESS WATERS SWITCH, held by Oncor Electric Delivery Company LLC, holds NPDES permit TXR1510TC, which discharges to Grapevine Creek. EPA’s file records it issued December 20, 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 CYPRESS WATERS SWITCH: its NPDES ID, its permit type and status, its dates, its address in Dallas, Texas, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES TXR1510TC.

Identity

Facility as filedCYPRESS WATERS SWITCH
Permittee as filedOncor Electric Delivery Company LLC
NPDES IDTXR1510TC
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedDecember 20, 2024
Expiration dateMarch 4, 2028
AddressDallas, TX 75019
Receiving waterGRAPEVINE CREEK
SubwatershedGrapevine Creek-Elm Fork Trinity River (HUC 120301031004)
SIC4911 – Electric Services

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 TXR1510TC.

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 TXR1510TC.

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, TXR1510TC.

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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 TXR1510TC there.

Nearby on the register

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

What this page shows

CYPRESS WATERS SWITCH is one of 640 storm water construction permits on EPA's NPDES register in Dallas County. Of all 638 storm water construction permits in Dallas County, 34.8% have an earlier issue date than this permit. The permit is one of 130 NPDES permits in the Grapevine Creek-Elm Fork Trinity River subwatershed.