Velarion Records
Follow this permit Velarion Records emails you this permit’s record, cited to the public filing, and tells you when the register changes it. Free.
We’ll email you a link to confirm. The continuous daily watch on every change is the paid alert. Unsubscribe any time.
Also free: The Pay Desk, the weekly executive pay briefing.

Clean Water Act discharge permit · NPDES TXR05AS59

CHAPARRAL WELDING & FABRICATION, Dallas, TX: NPDES TXR05AS59 discharge permit, effluent exceedances, inspections, penalties

CHAPARRAL WELDING & FABRICATION, held by CHAPARRAL WELDING & FABRICATION, INC., holds NPDES permit TXR05AS59. EPA’s file records it issued September 28, 2021 and expiring August 13, 2026. 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 CHAPARRAL WELDING & FABRICATION: its NPDES ID, its permit type and status, its dates, its address in Dallas, Texas, and 16 pollutants under a numeric limit. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES TXR05AS59.

Identity

Facility as filedCHAPARRAL WELDING & FABRICATION
Permittee as filedCHAPARRAL WELDING & FABRICATION, INC.
NPDES IDTXR05AS59
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramIndustrial stormwater
IssuedSeptember 28, 2021
Expiration dateAugust 13, 2026
AddressDallas, TX 75229
SubwatershedBachman Branch-Elm Fork Trinity River (HUC 120301031007)
SIC3446 – Architectural Metal Work

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

An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.

Pollutant or measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Zinc, total [as Zn]400
Solids, total suspended200
Nitrite + Nitrate total [as N]200
Arsenic, total [as As]200
Barium, total [as Ba]200
Cadmium, total [as Cd]200
Chromium, total [as Cr]200
Copper, total [as Cu]200
Iron, total [as Fe]200
Lead, total [as Pb]200
Manganese, total [as Mn]200
Nickel, total [as Ni]200
Silver, total [as Ag]200
Aluminum, total [as Al]200
Selenium, total [as Se]200
Mercury, total [as Hg]200

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES TXR05AS59.

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 TXR05AS59.

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, TXR05AS59.

Start the watch

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 TXR05AS59 there.

Nearby on the register

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

What this page shows

This public-records page covers NPDES permit TXR05AS59, held by CHAPARRAL WELDING & FABRICATION, INC. for CHAPARRAL WELDING & FABRICATION in Dallas, Texas, under an industrial stormwater general permit with administratively continued status. The page lists 16 pollutants under a numeric limit and 0 pollutants with an effluent exceedance.