Clean Water Act discharge permit · NPDES TX0007323
ISP TECHNOLOGIES WWTP, Texas City, TX: NPDES TX0007323 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 28Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
ISP TECHNOLOGIES WWTP, held by ISP TECH TEXAS INC, holds NPDES permit TX0007323, which discharges to Unnamed Drainage Ditch; Moses Bayou;Moses Lk. EPA’s file records it issued April 17, 2019 and expiring April 17, 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 | ISP TECHNOLOGIES WWTP |
|---|---|
| Permittee as filed | ISP TECH TEXAS INC |
| NPDES ID | TX0007323 |
| 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 | April 17, 2019 |
| Expiration date | April 17, 2024 |
| Address | Texas City, TX 77590 |
| Receiving water | UNNAMED DRAINAGE DITCH; MOSES BAYOU;MOSES LK |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Dickinson Bayou (HUC 120402040200) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 28Pollutants on file
- 28Under a numeric limit
- 27With 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 4 | 21 | 13 | June 30, 2025 | 233% over the limit |
| Carbon, tot organic [TOC] | 3 | 13 | 6 | July 31, 2016 | 236% over the limit |
| Copper, total [as Cu] | 2 | 8 | 4 | November 30, 2018 | 90% over the limit |
| pH | 4 | 15 | 3 | November 30, 2022 | |
| Oil & Grease | 3 | 15 | 2 | October 31, 2013 | 2,600% over the limit |
| Nickel, total [as Ni] | 4 | 9 | 1 | August 31, 2005 | 13% over the limit |
| Flow, in conduit or thru treatment plant | 4 | 9 | 1 | September 30, 2018 | 113% over the limit |
| LOEC Lethal Survival Static Renewal 7 Day Chronic Menidia menidia | 2 | 20 | 0 | ||
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Menidia menidia | 2 | 18 | 0 | ||
| LOEC Lethal Survival Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 2 | 17 | 0 | ||
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia) | 2 | 16 | 0 | ||
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia) | 2 | 13 | 0 | ||
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Menidia menidia | 2 | 10 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Menidia menidia | 2 | 10 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Menidia menidia | 2 | 10 | 0 | ||
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Menidia menidia | 2 | 10 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 2 | 9 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 2 | 9 | 0 | ||
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 2 | 9 | 0 | ||
| pH range excursions, monthly total accum | 1 | 9 | 0 | ||
| Zinc, total [as Zn] | 4 | 8 | 0 | ||
| LC50 Pass/Fail Static 24Hr Acute Americamysis bahia (formerly Mysidopsis bahia) | 1 | 6 | 0 | ||
| LC50 Pass/Fail Static 24Hr Acute Menidia menidia | 1 | 6 | 0 | ||
| Temperature, water deg. fahrenheit | 1 | 3 | 0 | ||
| pH range excursions, > 60 minutes | 1 | 3 | 0 | ||
| Whole effluent toxicity - retest #1 | 3 | 1 | 0 | ||
| Whole effluent toxicity - retest #2 | 3 | 1 | 0 | ||
| Aluminum, total [as Al] | 2 | 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
- 1Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| July 8, 2021 | 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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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 TX0007323 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.