Clean Water Act discharge permit · NPDES GMG290379
TEXAS STANDARD OIL OPERATING COMPANY, Bellaire, TX: NPDES GMG290379 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 39Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
TEXAS STANDARD OIL OPERATING COMPANY holds NPDES permit GMG290379. EPA’s file records it issued June 7, 2007 and expiring September 30, 2012. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | TEXAS STANDARD OIL OPERATING COMPANY |
|---|---|
| Permittee as filed | TEXAS STANDARD OIL OPERATING COMPANY |
| NPDES ID | GMG290379 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | June 7, 2007 |
| Expiration date | September 30, 2012 |
| Address | Bellaire, TX 77401 |
| Subwatershed | Country Club Bayou-Brays Bayou (HUC 120401040403) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 39Pollutants on file
- 39Under a numeric limit
- 39With a violation of any kind
- 0With an effluent exceedance
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 measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Misc. free oil in Western GOM, OCS | 2 | 4 | 0 | ||
| Drilling fluid, toxicity | 2 | 4 | 0 | ||
| Well fluids, oil & grease | 2 | 4 | 0 | ||
| Whole effluent toxicity | 2 | 4 | 0 | ||
| Produced water, oil and grease | 2 | 4 | 0 | ||
| LF Pass/Fail Static Renewal 48Hr Acute Americamysis bahia (formerly Mysidopis bahia) | 2 | 4 | 0 | ||
| Low Flow Pass/Fail Static Renewal 48Hr Acute Menidia menidia | 2 | 4 | 0 | ||
| Pass/Fail Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 2 | 4 | 0 | ||
| Pass/Fail Static Renewal 7Day Chronic Menidia | 2 | 4 | 0 | ||
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia) | 2 | 4 | 0 | ||
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Menidia menidia | 2 | 4 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 2 | 4 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Menidia menidia | 2 | 4 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 2 | 4 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Menidia menidia | 2 | 4 | 0 | ||
| LOEC Lethal Survival Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 2 | 4 | 0 | ||
| LOEC Lethal Survival Static Renewal 7 Day Chronic Menidia menidia | 2 | 4 | 0 | ||
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia) | 2 | 4 | 0 | ||
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Menidia menidia | 2 | 4 | 0 | ||
| Drilling fluid, end of well, 96-hr LC50 | 1 | 2 | 0 | ||
| Flow | 1 | 2 | 0 | ||
| Cadmium [Cd], in barite, dry weight | 1 | 2 | 0 | ||
| Mercury [Hg], in barite, dry weight | 1 | 2 | 0 | ||
| Produced water, free oil | 1 | 2 | 0 | ||
| Drilling fluids, free oil | 1 | 2 | 0 | ||
| Drilling fluids, discharge rate | 1 | 2 | 0 | ||
| Drill cuttings, free oil | 1 | 2 | 0 | ||
| Deck drainage, free oil | 1 | 2 | 0 | ||
| Produced water, flow | 1 | 2 | 0 | ||
| Well fluids, free oil | 1 | 2 | 0 | ||
| Sanitary waste, residual chlorine | 1 | 2 | 0 | ||
| Sanitary waste, solids | 1 | 2 | 0 | ||
| Domestic waste, foam and floating solids | 1 | 2 | 0 | ||
| Maintenance Waste: Do you have a BMP? | 1 | 2 | 0 | ||
| Maintenance Waste: Are you using a BMP? | 1 | 2 | 0 | ||
| NOAEC Lethal Static Renewal 48HR Acute Americamysis bahia (formerly Mysidopsis bahia) | 1 | 2 | 0 | ||
| NOAEC Lethal Static Renewal 48HR Acute Menidia menidia | 1 | 2 | 0 | ||
| Coef Of Var Static Renewal 7Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 1 | 2 | 0 | ||
| Coef Of Var Static Renewal 7Day Chronic Menidia menidia | 1 | 2 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES GMG290379.
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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES GMG290379.
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.
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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 GMG290379 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.