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Clean Water Act discharge permit · NPDES TXR1586YA

TIMBERLAND PARK IMPROVEMENTS, Fort Worth, TX: NPDES TXR1586YA discharge permit, effluent exceedances, inspections, penalties

TIMBERLAND PARK IMPROVEMENTS, held by North Rock Construction & Associates LLC, holds NPDES permit TXR1586YA, which discharges to Marshall Branch. EPA’s file records it issued April 24, 2026 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 TIMBERLAND PARK IMPROVEMENTS: its NPDES ID, its permit type and status, its dates, its address in Fort Worth, Texas, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES TXR1586YA.

Identity

Facility as filedTIMBERLAND PARK IMPROVEMENTS
Permittee as filedNorth Rock Construction & Associates LLC
NPDES IDTXR1586YA
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedApril 24, 2026
Expiration dateMarch 4, 2028
AddressFort Worth, TX 76244
Receiving waterMARSHALL BRANCH
SubwatershedMarshall Branch-Grapevine Lake (HUC 120301040305)

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 TXR1586YA.

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 TXR1586YA.

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, TXR1586YA.

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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 TXR1586YA there.

Nearby on the register

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

What this page shows

The TIMBERLAND PARK IMPROVEMENTS permit, held by North Rock Construction & Associates LLC in Fort Worth, is one of 1,031 storm water construction permits in Tarrant County on EPA's NPDES register, and it sits among 71 NPDES permits in the Marshall Branch-Grapevine Lake subwatershed. The permit records no pollutants under a numeric limit and no effluent exceedances.