Clean Water Act discharge permit · NPDES TX0007072
ECO SERVICES OPERATIONS, Houston, TX: NPDES TX0007072 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 79Pollutants under a numeric limit
- 11Pollutants with an effluent exceedance
ECO SERVICES OPERATIONS, held by ECO SERVICES OPERATIONS CORP, holds NPDES permit TX0007072, which discharges to Houston Ship Channel/Buffalo Bayou. EPA’s file records it issued January 18, 2019 and expiring January 18, 2024. 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 | ECO SERVICES OPERATIONS |
|---|---|
| Permittee as filed | ECO SERVICES OPERATIONS CORP |
| NPDES ID | TX0007072 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | January 18, 2019 |
| Expiration date | January 18, 2024 |
| Address | Houston, TX 77012 |
| Receiving water | HOUSTON SHIP CHANNEL/BUFFALO BAYOU |
| Subwatershed | Country Club Bayou-Brays Bayou (HUC 120401040403) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 79Pollutants on file
- 79Under a numeric limit
- 71With a violation of any kind
- 11With 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; the 60 with the most exceedances of 79 are shown.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Cyanide, free [amenable to chlorination] | 2 | 6 | 4 | January 31, 2009 | 796% over the limit |
| Flow, in conduit or thru treatment plant | 14 | 30 | 2 | January 31, 2024 | 4% over the limit |
| Zinc, total [as Zn] | 9 | 23 | 2 | June 30, 2010 | 115% over the limit |
| Lead, total [as Pb] | 6 | 12 | 2 | September 30, 2011 | 15,506% over the limit |
| pH | 4 | 11 | 2 | February 28, 2021 | |
| Antimony, total [as Sb] | 4 | 6 | 2 | May 31, 2011 | 25% over the limit |
| pH range excursions, > 60 minutes | 1 | 5 | 2 | January 31, 2025 | 2,147,483,650% over the limit |
| pH range excursions, monthly total accum | 1 | 5 | 2 | January 31, 2025 | 209% over the limit |
| Copper, total [as Cu] | 6 | 13 | 1 | November 30, 2015 | 92% over the limit |
| Silver, total [as Ag] | 4 | 9 | 1 | September 30, 2015 | 14% over the limit |
| Chloroethane | 8 | 3 | 1 | August 31, 2006 | 67% over the limit |
| Solids, total suspended | 9 | 19 | 0 | ||
| Oxygen demand, chem. [high level] [COD] | 7 | 17 | 0 | ||
| BOD, 5-day, 20 deg. C | 5 | 11 | 0 | ||
| Temperature, water deg. fahrenheit | 4 | 8 | 0 | ||
| Arsenic, total [as As] | 4 | 8 | 0 | ||
| Cadmium, total [as Cd] | 4 | 8 | 0 | ||
| Chromium, total [as Cr] | 4 | 8 | 0 | ||
| Mercury, total [as Hg] | 4 | 8 | 0 | ||
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia) | 2 | 7 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 2 | 6 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 2 | 6 | 0 | ||
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 2 | 6 | 0 | ||
| LOEC Lethal Survival Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 2 | 6 | 0 | ||
| LOEC Lethal Survival Static Renewal 7 Day Chronic Menidia menidia | 2 | 6 | 0 | ||
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia) | 2 | 6 | 0 | ||
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Menidia menidia | 2 | 5 | 0 | ||
| Carbon, tot organic [TOC] | 4 | 4 | 0 | ||
| Titanium, total [as Ti] | 4 | 4 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Menidia menidia | 2 | 4 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Menidia menidia | 2 | 4 | 0 | ||
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Menidia menidia | 2 | 4 | 0 | ||
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Menidia menidia | 2 | 4 | 0 | ||
| Carbon tetrachloride | 8 | 2 | 0 | ||
| 1,2-Dichloroethane | 8 | 2 | 0 | ||
| Chloroform | 8 | 2 | 0 | ||
| Toluene | 8 | 2 | 0 | ||
| Benzene | 8 | 2 | 0 | ||
| Chlorobenzene | 8 | 2 | 0 | ||
| Ethylbenzene | 8 | 2 | 0 | ||
| Hexachlorobutadiene | 8 | 2 | 0 | ||
| Hexachloroethane | 8 | 2 | 0 | ||
| Methyl chloride [Chloromethane] | 8 | 2 | 0 | ||
| Methylene chloride | 8 | 2 | 0 | ||
| Nitrobenzene | 8 | 2 | 0 | ||
| Tetrachloroethylene | 8 | 2 | 0 | ||
| 1,1-Dichloroethane | 8 | 2 | 0 | ||
| 1,1-Dichloroethylene | 8 | 2 | 0 | ||
| 1,1,1-Trichloroethane | 8 | 2 | 0 | ||
| 1,1,2-Trichloroethane | 8 | 2 | 0 | ||
| 1,2-Dichlorobenzene | 8 | 2 | 0 | ||
| 1,2-Dichloropropane | 8 | 2 | 0 | ||
| trans-1,2-Dichloroethylene | 8 | 2 | 0 | ||
| 1,2,4-Trichlorobenzene | 8 | 2 | 0 | ||
| 1,3-Dichlorobenzene | 8 | 2 | 0 | ||
| 1,4-Dichlorobenzene | 8 | 2 | 0 | ||
| 2-Nitrophenol | 8 | 2 | 0 | ||
| 2,4-Dinitrophenol | 8 | 2 | 0 | ||
| 4-Nitrophenol | 8 | 2 | 0 | ||
| 4,6-Dinitro-o-cresol | 8 | 2 | 0 |
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
- 1Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| April 20, 2026 | Permit Violations - Violation Specified in Comment | ST6 |
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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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.