Clean Water Act discharge permit · NPDES TX0117811
SYNTECH CHEMICALS, Houston, TX: NPDES TX0117811 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 5Pollutants under a numeric limit
- 1Pollutants with an effluent exceedance
SYNTECH CHEMICALS, held by SYNTECH CHEMICALS, INC., holds NPDES permit TX0117811, which discharges to Unnamed Ditch;Clear Creek Above Tidal. EPA’s file records it issued September 13, 2018 and expiring September 13, 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 filed | SYNTECH CHEMICALS |
|---|---|
| Permittee as filed | SYNTECH CHEMICALS, INC. |
| NPDES ID | TX0117811 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | September 13, 2018 |
| Expiration date | September 13, 2023 |
| Address | Houston, TX 77047 |
| Receiving water | UNNAMED DITCH;CLEAR CREEK ABOVE TIDAL |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Clear Creek-Frontal Galveston Bay (HUC 120402040100) |
| SIC | 2899 – Chemical Preparations |
| Other EPA IDs (FRS) | RCRA handler TXD980626691; ICIS-AIR source TX0000004820101319 |
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
- 5Pollutants on file
- 5Under a numeric limit
- 5With a violation of any kind
- 1With 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 |
|---|---|---|---|---|---|
| Oxygen demand, chem. [high level] [COD] | 2 | 25 | 1 | September 30, 2006 | 23% over the limit |
| pH | 4 | 48 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 48 | 0 | ||
| Oil & Grease | 2 | 24 | 0 | ||
| BOD, 5-day, 20 deg. C | 2 | 10 | 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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES TX0117811.
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
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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 TX0117811 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.