Clean Water Act discharge permit · NPDES TX0083178
STRUCTURAL METALS, Seguin, TX: NPDES TX0083178 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 26Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
STRUCTURAL METALS, held by STRUCTURAL METALS, INC., holds NPDES permit TX0083178, which discharges to Guadalupe River Below Comal River. EPA’s file records it issued July 16, 2015 and expiring February 1, 2020. 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 | STRUCTURAL METALS |
|---|---|
| Permittee as filed | STRUCTURAL METALS, INC. |
| NPDES ID | TX0083178 |
| 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 | July 16, 2015 |
| Expiration date | February 1, 2020 |
| Address | Seguin, TX 78155 |
| Receiving water | GUADALUPE RIVER BELOW COMAL RIVER |
| Subwatershed | Youngs Creek-Guadalupe River (HUC 121002020108) |
| SIC | 3312 – Blast Furnaces And Steel Mills |
| Other EPA IDs (FRS) | RCRA handler TXD008119414; ICIS-AIR source TX0000004818700001 |
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
- 28Pollutants on file
- 26Under a numeric limit
- 15With a violation of any kind
- 7With 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 |
|---|---|---|---|---|---|
| Oil & Grease | 2 | 42 | 17 | May 31, 2010 | 1,860% over the limit |
| pH | 2 | 50 | 12 | May 31, 2009 | |
| Sulfate, total [as SO4] | 2 | 10 | 6 | July 31, 2007 | 67% over the limit |
| Carbon, tot organic [TOC] | 0 | 22 | 5 | May 31, 2010 | 39% over the limit |
| Chlorine, total residual | 2 | 2 | 2 | October 31, 2005 | 90% over the limit |
| BOD, 5-day, 20 deg. C | 2 | 5 | 1 | November 30, 2003 | 57% over the limit |
| Temperature, water deg. fahrenheit | 1 | 3 | 1 | May 31, 2005 | 8,164% over the limit |
| Oil and grease visual | 0 | 7 | 0 | ||
| Solids, total suspended | 2 | 4 | 0 | ||
| Chloride [as Cl] | 2 | 4 | 0 | ||
| Chromium, total [as Cr] | 2 | 4 | 0 | ||
| Copper, total [as Cu] | 2 | 4 | 0 | ||
| Lead, total [as Pb] | 2 | 4 | 0 | ||
| Zinc, total [as Zn] | 2 | 4 | 0 | ||
| Cadmium, total [as Cd] | 1 | 3 | 0 | ||
| E. coli | 4 | 0 | 0 | ||
| Whole effluent toxicity - retest #1 | 3 | 0 | 0 | ||
| Whole effluent toxicity - retest #2 | 3 | 0 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 0 | 0 | ||
| Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex | 2 | 0 | 0 | ||
| LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas | 2 | 0 | 0 | ||
| NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex | 2 | 0 | 0 | ||
| NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas | 2 | 0 | 0 | ||
| LOAEC Lethal Static Renewal 48HR Acute Daphnia pulex | 2 | 0 | 0 | ||
| LOAEC Lethal Survival Static Renewal 48Hr Acute Pimephales promelas | 2 | 0 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 0 | 0 | ||
| LC50 Pass/Fail Static 24Hr Acute D. Pulex | 1 | 0 | 0 | ||
| LC50 Pass/Fail Static 24Hr Acute Pimephales promelas | 1 | 0 | 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 TX0083178.
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, TX0083178.
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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 TX0083178 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.