Clean Water Act discharge permit · NPDES TX0105481
JAVELINA GAS PROCESSING FACILITY, Corpus Christi, TX: NPDES TX0105481 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 29Pollutants under a numeric limit
- 12Pollutants with an effluent exceedance
JAVELINA GAS PROCESSING FACILITY, held by MARKWEST JAVELINA COMPANY LLC, holds NPDES permit TX0105481, which discharges to Unnamed Drainage Ditch, Unnamed Tid. EPA’s file records it issued June 2, 2010 and expiring June 1, 2015. 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 | JAVELINA GAS PROCESSING FACILITY |
|---|---|
| Permittee as filed | MARKWEST JAVELINA COMPANY LLC |
| NPDES ID | TX0105481 |
| 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 | June 2, 2010 |
| Expiration date | June 1, 2015 |
| Address | Corpus Christi, TX 78407 |
| Receiving water | UNNAMED DRAINAGE DITCH, UNNAMED TID |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Tule Lake (HUC 121102020107) |
| SIC | 4925 – Gas Production And/Or Distribution |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.
Effluent limits and exceedances
- 36Pollutants on file
- 29Under a numeric limit
- 34With a violation of any kind
- 12With 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 |
|---|---|---|---|---|---|
| Copper, total [as Cu] | 4 | 61 | 61 | July 31, 2019 | 29,400% over the limit |
| Zinc, total [as Zn] | 4 | 46 | 44 | June 30, 2024 | 7,150% over the limit |
| Solids, total suspended | 4 | 46 | 30 | May 31, 2021 | 3,500% over the limit |
| Whole Effluent Toxicity [WET] - Americamysis bahia (formerly Mysidopsis bahia) | 0 | 29 | 29 | June 30, 2026 | 50% over the limit |
| Cyanide, free available | 0 | 35 | 27 | December 31, 2024 | 953% over the limit |
| Oxygen demand, chem. [high level] [COD] | 4 | 29 | 14 | December 31, 2024 | 465% over the limit |
| Oil & Grease | 4 | 24 | 9 | September 30, 2024 | 827% over the limit |
| Sulfide, total [as S] | 4 | 20 | 8 | June 30, 2016 | 73% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 4 | 18 | 8 | December 31, 2024 | 367% over the limit |
| pH | 2 | 10 | 4 | August 31, 2008 | |
| Flow, in conduit or thru treatment plant | 0 | 9 | 3 | April 30, 2007 | 27% over the limit |
| Nitrogen, ammonia total [as N] | 4 | 17 | 1 | May 31, 2021 | 26% over the limit |
| Chlorine, total residual | 4 | 16 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 2 | 6 | 0 | ||
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia) | 2 | 6 | 0 | ||
| Whole effluent toxicity - retest #1 | 3 | 5 | 0 | ||
| Whole effluent toxicity - retest #2 | 3 | 5 | 0 | ||
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia) | 2 | 2 | 0 | ||
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Menidia menidia | 2 | 2 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 2 | 2 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Menidia menidia | 2 | 2 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Menidia menidia | 2 | 2 | 0 | ||
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 2 | 2 | 0 | ||
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Menidia menidia | 2 | 2 | 0 | ||
| LOEC Lethal Survival Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 2 | 2 | 0 | ||
| LOEC Lethal Survival Static Renewal 7 Day Chronic Menidia menidia | 2 | 2 | 0 | ||
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Menidia menidia | 2 | 2 | 0 | ||
| LF Pass/Fail Static Renewal 48Hr Acute Americamysis bahia (formerly Mysidopis bahia) | 0 | 2 | 0 | ||
| Low Flow Pass/Fail Static Renewal 48Hr Acute Menidia menidia | 0 | 2 | 0 | ||
| NOAEC Lethal Static Renewal 48HR Acute Americamysis bahia (formerly Mysidopsis bahia) | 0 | 2 | 0 | ||
| NOAEC Lethal Static Renewal 48HR Acute Menidia menidia | 0 | 2 | 0 | ||
| Whole effluent toxicity | 1 | 1 | 0 | ||
| LC50 Pass/Fail Static 24Hr Acute Americamysis bahia (formerly Mysidopsis bahia) | 1 | 1 | 0 | ||
| LC50 Pass/Fail Static 24Hr Acute Menidia menidia | 1 | 1 | 0 | ||
| Selenium, total [as Se] | 4 | 0 | 0 | ||
| Flow [dry weather] | 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
- 2Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| April 21, 2022 | Permit Violations - Violation Specified in Comment | ST6 |
| April 12, 2018 | 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 October 14, 2026.