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 TXR05GC21

MM - TANNER RECYCLE YARD, Houston, TX: NPDES TXR05GC21 discharge permit, effluent exceedances, inspections, penalties

MM - TANNER RECYCLE YARD, held by Martin Marietta Materials Southwest, LLC, holds NPDES permit TXR05GC21. EPA’s file records it issued May 19, 2023 and expiring August 13, 2026.

MM - TANNER RECYCLE YARD, Houston, Texas: Coverage under a general permit TXR05GC21, held by Martin Marietta Materials Southwest, LLC; Industrial stormwater; Administratively continued (past its expiration date and still in force until reissued); issued May 19, 2023, term to August 13, 2026.

  • pH: 8 limits, 0 violations of any kind, 0 effluent exceedances.
  • Copper, total [as Cu]: 8 limits, 0 violations of any kind, 0 effluent exceedances.
  • Lead, total [as Pb]: 8 limits, 0 violations of any kind, 0 effluent exceedances.
  • Zinc, total [as Zn]: 8 limits, 0 violations of any kind, 0 effluent exceedances.
  • Solids, total suspended: 4 limits, 0 violations of any kind, 0 effluent exceedances.
  • Arsenic, total [as As]: 4 limits, 0 violations of any kind, 0 effluent exceedances.
  • Barium, total [as Ba]: 4 limits, 0 violations of any kind, 0 effluent exceedances.
  • Cadmium, total [as Cd]: 4 limits, 0 violations of any kind, 0 effluent exceedances.
  • Chromium, total [as Cr]: 4 limits, 0 violations of any kind, 0 effluent exceedances.
  • Iron, total [as Fe]: 4 limits, 0 violations of any kind, 0 effluent exceedances.
  • Manganese, total [as Mn]: 4 limits, 0 violations of any kind, 0 effluent exceedances.
  • Nickel, total [as Ni]: 4 limits, 0 violations of any kind, 0 effluent exceedances.
  • Silver, total [as Ag]: 4 limits, 0 violations of any kind, 0 effluent exceedances.
  • Selenium, total [as Se]: 4 limits, 0 violations of any kind, 0 effluent exceedances.
  • Mercury, total [as Hg]: 4 limits, 0 violations of any kind, 0 effluent exceedances.
  • Chemical Oxygen Demand [COD]: 4 limits, 0 violations of any kind, 0 effluent exceedances.

Texas holds 8,480 Industrial stormwater coverages of this permit type in EPA’s file; 4,512 were issued before TXR05GC21. Martin Marietta Materials Southwest, LLC holds 43 permits in Texas.

Other permits held by Martin Marietta Materials Southwest, LLC

Coverages issued nearest TXR05GC21

MM - TANNER RECYCLE YARD among its neighbors

EPA’s permit file holds 309 discharge permits in the Cole Creek-Whiteoak Bayou subwatershed (HUC 120401040302), TXR05GC21 among them.

Other permits in the Cole Creek-Whiteoak Bayou subwatershed (HUC 120401040302)

What the register holds for MM - TANNER RECYCLE YARD: its NPDES ID, its permit type and status, its dates, its address in Houston, Texas, and 16 pollutants under a numeric limit. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES TXR05GC21.

Identity

Facility as filedMM - TANNER RECYCLE YARD
Permittee as filedMartin Marietta Materials Southwest, LLC
NPDES IDTXR05GC21
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
IssuedMay 19, 2023
Expiration dateAugust 13, 2026
AddressHouston, TX 77041
SubwatershedCole Creek-Whiteoak Bayou (HUC 120401040302)

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
pH800
Copper, total [as Cu]800
Lead, total [as Pb]800
Zinc, total [as Zn]800
Solids, total suspended400
Arsenic, total [as As]400
Barium, total [as Ba]400
Cadmium, total [as Cd]400
Chromium, total [as Cr]400
Iron, total [as Fe]400
Manganese, total [as Mn]400
Nickel, total [as Ni]400
Silver, total [as Ag]400
Selenium, total [as Se]400
Mercury, total [as Hg]400
Chemical Oxygen Demand [COD]400

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES TXR05GC21.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES TXR05GC21.

Inspections

EPA’s inspection file holds no inspection for NPDES TXR05GC21.

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 TXR05GC21.

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, TXR05GC21.

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

Nearby on the register

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

What this page shows

This public-records page covers the NPDES discharge permit TXR05GC21 for MM - TANNER RECYCLE YARD in Houston, Texas, held by Martin Marietta Materials Southwest, LLC, with the permit listed as a minor discharger under industrial stormwater and administratively continued. The page lists 16 pollutants under a numeric limit and 0 pollutants with an effluent exceedance.