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Clean Water Act discharge permit · NPDES TXR1585WP

DUN TRANSPORTATION PIPE YARD, Aransas Pass Tx, TX: NPDES TXR1585WP discharge permit, effluent exceedances, inspections, penalties

DUN TRANSPORTATION PIPE YARD, held by Dun Transportation & Stringing, Inc., holds NPDES permit TXR1585WP, which discharges to Unnamed. EPA’s file records it issued December 3, 2025 and expiring March 4, 2028.

DUN TRANSPORTATION PIPE YARD, Aransas Pass Tx, Texas: Coverage under a general permit TXR1585WP, held by Dun Transportation & Stringing, Inc.; Construction stormwater; Effective; issued December 3, 2025, term to March 4, 2028; discharges to UNNAMED.

Texas holds 23,986 Construction stormwater coverages of this permit type in EPA’s file; 17,355 were issued before TXR1585WP.

Coverages issued nearest TXR1585WP

  • December 3, 2025: WYLIE WATER TREATMENT PLANT BAF PHASE III, Wylie, TXR1579WP, held by Schofield Civil Construction LLC
  • December 3, 2025: LAKE HIGHLANDS VILLAGE, Dallas, TXR1580WP, held by Mattamy Texas LLC
  • December 3, 2025: FALCON HEIGHTS, Denton, TXR1581WP, held by 3-I GENERAL CONTRACTORS INC.
  • December 3, 2025: GCP NEW CANEY, New Caney, TXR1582WP, held by Satterfield and Pontikes Construction, Inc.
  • December 3, 2025: SOUTH BEND, Granbury, TXR1584WP, held by John Askew Company
  • December 3, 2025: SEG PROPERTIES, Stephenville, TXR1586WP, held by Seg Properties LLC
  • December 3, 2025: THE TRAILS, New Caney, TXR1587WP, held by DaCo Paving, Inc.
  • December 3, 2025: KELSEY SEYBOLD CONROE CLINIC, Conroe, TXR1588WP, held by Gamma Construction Company
  • December 3, 2025: SERENITY WEST WIND, Amarillo, TXR1590WP, held by H-2 Enterprises, LLC
  • December 3, 2025: OVERLOOK, Garland, TXR1591WP, held by Herzog Land Holdings LLC

DUN TRANSPORTATION PIPE YARD among its neighbors

EPA’s permit file holds 12 discharge permits in the Salt Lake-Copano Bay subwatershed (HUC 121004050204), TXR1585WP among them. Its county holds 22, 1 of them major permits; TXR1585WP is a minor permit.

Other permits in the Salt Lake-Copano Bay subwatershed (HUC 121004050204)

  • ARANSAS OAKS FISHERS COVE - HB, Aransas Pass: TXR1524YG, minor permit, discharging to COPANO BAY/PORT BAY/MISSION BAY, permit term to March 4, 2028
  • COPANO BAY CBP, Rockport: TXG111543, minor permit, discharging to COPANO BAY, permit term to November 7, 2016
  • COSTA PALMS RESORT, Rockport: TXR1553GT, minor permit, discharging to COPANO & PUERTO BAY, permit term to March 4, 2023
  • CSJ 0180-04-0120 SH 35, Rockport: TXR1567MV, minor permit, discharging to GULF OF MEXICO, permit term to March 4, 2028
  • CSJ 0180-04-120 SH 35, Rockport: TXR1548MW, minor permit, discharging to GULF OF MEXICO, permit term to March 4, 2028
  • GULF ISLAND FABRICATION, Ingleside: TXR05FO52, minor permit, permit term to August 13, 2026
  • KOKOMA SUBDIVISION 4, Rockport: TXR1593OM, minor permit, discharging to ARANSAS BAY, permit term to March 4, 2028
  • KOKOMO SUBDIVISON PHASE 6, Rockport: TXR1508WK, minor permit, discharging to ARANSAS BAY, permit term to March 4, 2028
  • MAREA PUD, Aransas Pass: TXR1581RR, minor permit, discharging to REDFISH BAY, permit term to March 4, 2028
  • PORT BAY WWTP, Aransas County: TX0131750, minor permit, discharging to COPANO BAY, permit term to March 1, 2014

What the register holds for DUN TRANSPORTATION PIPE YARD: its NPDES ID, its permit type and status, its dates, its address in Aransas Pass Tx, Texas, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES TXR1585WP.

Identity

Facility as filedDUN TRANSPORTATION PIPE YARD
Permittee as filedDun Transportation & Stringing, Inc.
NPDES IDTXR1585WP
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedDecember 3, 2025
Expiration dateMarch 4, 2028
AddressAransas Pass Tx, TX 78336
Receiving waterUNNAMED
SubwatershedSalt Lake-Copano Bay (HUC 121004050204)
SIC4213 – Trucking, Except Local

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES TXR1585WP.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES TXR1585WP.

Inspections

EPA’s inspection file holds no inspection for NPDES TXR1585WP.

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES TXR1585WP.

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, TXR1585WP.

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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

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Nearby on the register

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

What this page shows

DUN TRANSPORTATION PIPE YARD was issued after 91.7% of the 12 storm water construction permits in Aransas County. The permit is one of 12 NPDES permits located in the Salt Lake-Copano Bay subwatershed. It has no pollutants under a numeric limit and no pollutants with an effluent exceedance.