Velarion Records
The Pay Desk is the free weekly executive pay briefing — one company at a time, every number traceable to a public filing.
You’ll confirm on The Pay Desk’s sign-up page.

Clean Water Act discharge permit · NPDES TX0139068

GRAND OAKS BUSINESS PARK, Richmond, TX: NPDES TX0139068 discharge permit, effluent exceedances, inspections, penalties

GRAND OAKS BUSINESS PARK, held by AMDT LLC, holds NPDES permit TX0139068, which discharges to Ditch/Detention Pond;Andrus Crk;Jones Creek. EPA’s file records it issued September 12, 2019 and expiring September 12, 2024. 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.

Identity

Facility as filedGRAND OAKS BUSINESS PARK
Permittee as filedAMDT LLC
NPDES IDTX0139068
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedSeptember 12, 2019
Expiration dateSeptember 12, 2024
AddressRichmond, TX 77406
Receiving waterDITCH/DETENTION POND;ANDRUS CRK;JONES CREEK

Cited to the EPA ICIS-NPDES permit file (ECHO 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
Arsenic, dry weight500
Chromium, sludge, total, dry weight [as Cr]500
pH300
Solids, total suspended300
Nitrogen, ammonia total [as N]300
Selenium, dry weight300
Copper, dry weight300
Cadmium, dry weight300
Molybdenum, sludge, total, dry weight [as Mo]300
Zinc, sludge, total, dry weight [as Zn]300
Lead, sludge, total, dry weight [as Pb]300
Nickel, sludge, total, dry weight [as Ni]300
Mercury, sludge, total, dry weight [as Hg]300
BOD, carbonaceous [5 day, 20 C]300
Nickel, total [as Ni]200
Flow, in conduit or thru treatment plant200
Chlorine, total residual200
E. coli200
Level of pathogen requirements achieved200
Description of pathogen option used200
Vector attraction reduction alternative used200
Oxygen, dissolved [DO]100
Fecal coliform100
Polychlorinated biphenyls [PCBs]100
Toxicity characteristic leaching procedure100
Annual whole sludge application rate100
Ann. amt sludge disposed by other method100
Annual amt of sludge incinerated100
Annual sludge production, total100
Annual amount of sludge land applied100
Annual amt. sludge disposed surface unit100
Annual amt sludge disposed in landfill100
Annual amt sludge transported interstate100
Unit w/liner/leachate collection system100
Compliance w/part 258 sludge requirement100
Boundary areas100
Salmonella100
Pollutant table from 503.13100

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES TX0139068.

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

DateWhat EPA recordedAgency
June 28, 2024Permit Violations - Violation Specified in CommentST6

Velarion’s copy of EPA’s ICIS-NPDES files does not yet 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, TX0139068.

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 TX0139068 there.

Nearby on the register

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