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Clean Water Act discharge permit · NPDES TXR1591MH

LITTLE ELM BUSINESS & TECH CENTER, Little Elm, TX: NPDES TXR1591MH discharge permit, effluent exceedances, inspections, penalties

LITTLE ELM BUSINESS & TECH CENTER, held by Madewell Construction Solutions, LLC, holds NPDES permit TXR1591MH, which discharges to Lewisville Lake. EPA’s file records it issued March 31, 2023 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 LITTLE ELM BUSINESS & TECH CENTER: its NPDES ID, its permit type and status, its dates, its address in Little Elm, Texas, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES TXR1591MH.

Identity

Facility as filedLITTLE ELM BUSINESS & TECH CENTER
Permittee as filedMadewell Construction Solutions, LLC
NPDES IDTXR1591MH
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedMarch 31, 2023
Expiration dateMarch 4, 2028
AddressLittle Elm, TX 75033
Receiving waterLEWISVILLE LAKE
SubwatershedCottonwood Branch-Little Elm Reservoir (HUC 120301030905)
SIC1542 – Nonresidential 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 TXR1591MH.

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 TXR1591MH.

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, TXR1591MH.

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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 TXR1591MH there.

Nearby on the register

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

What this page shows

LITTLE ELM BUSINESS & TECH CENTER is one of 5 storm water construction permits on EPA's NPDES register in Little Elm, and it is one of 52 NPDES permits in the Cottonwood Branch-Little Elm Reservoir subwatershed. Of the 5 storm water construction permits in Little Elm, 20.0% have an earlier issue date than this permit, and 0.0% have a violation on file.