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Clean Water Act discharge permit · NPDES TXR1504WD

ELLWOOD PHASE 2 DETENTION, Iowa Colony, TX: NPDES TXR1504WD discharge permit, effluent exceedances, inspections, penalties

ELLWOOD PHASE 2 DETENTION, held by DNT Construction, LLC, holds NPDES permit TXR1504WD, which discharges to Chocolate Bayou. EPA’s file records it issued October 14, 2025 and expiring March 4, 2028. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

What the register holds for ELLWOOD PHASE 2 DETENTION: its NPDES ID, its permit type and status, its dates, its address in Iowa Colony, Texas, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES TXR1504WD.

Identity

Facility as filedELLWOOD PHASE 2 DETENTION
Permittee as filedDNT Construction, LLC
NPDES IDTXR1504WD
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedOctober 14, 2025
Expiration dateMarch 4, 2028
AddressIowa Colony, TX 77853
Receiving waterCHOCOLATE BAYOU
SubwatershedMustang Bayou (HUC 120402040400)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES TXR1504WD.

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 TXR1504WD.

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, TXR1504WD.

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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 TXR1504WD there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

What this page shows

The ELLWOOD PHASE 2 DETENTION storm water construction permit is one of 275 such permits in Brazoria County, and 0.4% of those carry a violation on file. Among the 275 Brazoria County storm water construction permits, 71.3% were issued earlier than this one, and it sits within a Mustang Bayou subwatershed that holds 288 NPDES permits, this one included.