Clean Water Act discharge permit · NPDES TX0006211
CITGO CORPUS CHRISTI REFINERY EAST PLANT, Corpus Christi, TX: NPDES TX0006211 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MajorDischarger class
- 39Pollutants under a numeric limit
- 12Pollutants with an effluent exceedance
CITGO CORPUS CHRISTI REFINERY EAST PLANT, held by CITGO REFINING & CHEMICALS COMPANY LP, holds NPDES permit TX0006211, which discharges to Corpus Christi Inner Harbor. EPA’s file records it issued January 29, 2016 and expiring June 1, 2020. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | CITGO CORPUS CHRISTI REFINERY EAST PLANT |
|---|---|
| Permittee as filed | CITGO REFINING & CHEMICALS COMPANY LP |
| NPDES ID | TX0006211 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | January 29, 2016 |
| Expiration date | June 1, 2020 |
| Address | Corpus Christi, TX 78469 |
| Receiving water | CORPUS CHRISTI INNER HARBOR |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Tule Lake (HUC 121102020107) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 42Pollutants on file
- 39Under a numeric limit
- 36With 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 |
|---|---|---|---|---|---|
| Enterococci | 4 | 26 | 24 | October 31, 2022 | 99,999% over the limit |
| Solids, total suspended | 4 | 19 | 9 | March 31, 2024 | 900% over the limit |
| Carbon, tot organic [TOC] | 6 | 29 | 7 | June 30, 2024 | 122% over the limit |
| pH | 16 | 59 | 4 | December 31, 2020 | |
| Benzene, ethylbenzene, toluene, xylene combination | 2 | 20 | 4 | April 30, 2021 | 122% over the limit |
| Oil & Grease | 10 | 39 | 3 | September 30, 2007 | 269% over the limit |
| BOD, 5-day, 20 deg. C | 4 | 16 | 2 | March 31, 2018 | 64% over the limit |
| Oxygen demand, chem. [high level] [COD] | 4 | 14 | 2 | March 31, 2018 | 53% over the limit |
| Fluoride, total [as F] | 2 | 7 | 2 | August 31, 2009 | 699% over the limit |
| Nitrogen, ammonia total [as N] | 4 | 13 | 1 | October 31, 2010 | 7% over the limit |
| Sulfide, total [as S] | 4 | 13 | 1 | May 31, 2007 | 567% over the limit |
| Phenols | 4 | 13 | 1 | November 30, 2011 | 157% over the limit |
| Phenolic compounds, total | 0 | 180 | 0 | ||
| Cyanide, total [as CN] | 2 | 54 | 0 | ||
| Flow, in conduit or thru treatment plant | 21 | 53 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 4 | 24 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 4 | 24 | 0 | ||
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia) | 4 | 22 | 0 | ||
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 4 | 22 | 0 | ||
| LOEC Lethal Survival Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 4 | 22 | 0 | ||
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia) | 4 | 22 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Menidia menidia | 4 | 20 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Menidia menidia | 4 | 20 | 0 | ||
| Chromium, total [as Cr] | 5 | 18 | 0 | ||
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Menidia menidia | 4 | 18 | 0 | ||
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Menidia menidia | 4 | 18 | 0 | ||
| LOEC Lethal Survival Static Renewal 7 Day Chronic Menidia menidia | 4 | 18 | 0 | ||
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Menidia menidia | 4 | 18 | 0 | ||
| LC50 Pass/Fail Static 24Hr Acute Menidia menidia | 2 | 14 | 0 | ||
| Chromium, hexavalent [as Cr] | 4 | 13 | 0 | ||
| LC50 Pass/Fail Static 24Hr Acute Americamysis bahia (formerly Mysidopsis bahia) | 2 | 13 | 0 | ||
| Chlorine, total residual | 2 | 8 | 0 | ||
| Lead, total [as Pb] | 0 | 8 | 0 | ||
| Whole effluent toxicity - retest #1 | 8 | 2 | 0 | ||
| Whole effluent toxicity - retest #2 | 8 | 2 | 0 | ||
| Cyanide, free available | 0 | 2 | 0 | ||
| LF Pass/Fail Static Renewal 48Hr Acute Americamysis bahia (formerly Mysidopis bahia) | 2 | 0 | 0 | ||
| Low Flow Pass/Fail Static Renewal 48Hr Acute Menidia menidia | 2 | 0 | 0 | ||
| NOAEC Lethal Static Renewal 48HR Acute Americamysis bahia (formerly Mysidopsis bahia) | 2 | 0 | 0 | ||
| NOAEC Lethal Static Renewal 48HR Acute Menidia menidia | 2 | 0 | 0 | ||
| LOAEC Lethal Survival Static Renewal 48Hr Acute Americamysis bahia (formerly Mysidopsis bahia) | 2 | 0 | 0 | ||
| LOAEC Survival Static Renewal 48HR Acute Menidia menidia | 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, 2026 | Permit Violations - Violation Specified in Comment | ST6 |
| November 1, 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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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.