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 TX0103616

GSE LINING TECHNOLOGY, Houston, TX: NPDES TX0103616 discharge permit, effluent exceedances, inspections, penalties

GSE LINING TECHNOLOGY, held by SOLMAX GEOSYNTHETICS LLC, holds NPDES permit TX0103616, which discharges to Hcfcdd P14-03-00, Greens Bayou. EPA’s file records it issued April 16, 2018 and expiring April 16, 2023. 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.

Identity

Facility as filedGSE LINING TECHNOLOGY
Permittee as filedSOLMAX GEOSYNTHETICS LLC
NPDES IDTX0103616
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
IssuedApril 16, 2018
Expiration dateApril 16, 2023
AddressHouston, TX 77073
Receiving waterHCFCDD P14-03-00, GREENS BAYOU
SubwatershedTurkey Creek-Cypress Creek (HUC 120401020107)
SIC3081 – Unsupported Plastics Film & Sheet
Other EPA IDs (FRS)RCRA handler TX0000079798

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.

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
Copper, total [as Cu]4379October 31, 202493% over the limit
Nitrogen, ammonia total [as N]8524August 31, 202569% over the limit
Solids, total suspended4533May 31, 201936% over the limit
Oil & Grease2293February 28, 202540% over the limit
Chlorine, total residual2251February 29, 201625% over the limit
E. coli271May 31, 20151,128% over the limit
BOD, carbonaceous [5 day, 20 C]4490
pH2240
Flow, in conduit or thru treatment plant2240
Oxygen, dissolved [DO]1130
Solids, total dissolved1120

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
September 25, 2025Permit Violations - Violation Specified in CommentST6

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, TX0103616.

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 TX0103616 there.

Nearby on the register

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

What this page shows

This EPA NPDES permit record for GSE LINING TECHNOLOGY in Houston, TX (permit TX0103616, held by SOLMAX GEOSYNTHETICS LLC) covers an individual minor discharger permit that was issued April 16, 2018, with an expiration date of April 16, 2023, and is listed as administratively continued. The record discharges to HCFCDD P14-03-00, GREENS BAYOU, in the Turkey Creek-Cypress Creek subwatershed (HUC 120401020107), and lists 6 pollutants under a numeric limit and 6 pollutants with an effluent exceedance.