Clean Water Act discharge permit · NPDES TX0047082
ALLISON WWTP, Corpus Christi, TX: NPDES TX0047082 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 56Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
ALLISON WWTP, held by CORPUS CHRISTI, CITY OF (ALLIS, holds NPDES permit TX0047082, which discharges to Nueces River. EPA’s file records it issued January 12, 2015 and expiring May 1, 2018.
ALLISON WWTP, Corpus Christi, Texas: Individual permit TX0047082, held by CORPUS CHRISTI, CITY OF (ALLIS; Publicly owned treatment works; Administratively continued (past its expiration date and still in force until reissued); issued January 12, 2015, term to May 1, 2018; discharges to NUECES RIVER.
- Nitrogen, ammonia total [as N]: 6 limits, 105 violations of any kind, 98 effluent exceedances, latest November 30, 2025, largest 283% over the limit.
- Solids, total suspended: 6 limits, 75 violations of any kind, 63 effluent exceedances, latest March 31, 2024, largest 1,398% over the limit.
- Enterococci: 4 limits, 36 violations of any kind, 36 effluent exceedances, latest March 31, 2026, largest 2,974% over the limit.
- BOD, 5-day, 20 deg. C: 3 limits, 39 violations of any kind, 30 effluent exceedances, latest May 31, 2024, largest 407% over the limit.
- Flow, in conduit or thru treatment plant: 9 limits, 26 violations of any kind, 2 effluent exceedances, latest October 31, 2021, largest 18% over the limit.
- Chlorine, total residual: 4 limits, 10 violations of any kind, 2 effluent exceedances, latest March 31, 2006, largest 11% over the limit.
- Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia): 8 limits, 12 violations of any kind, 0 effluent exceedances.
- NOEC Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia): 8 limits, 12 violations of any kind, 0 effluent exceedances.
- BOD, carbonaceous [5 day, 20 C]: 3 limits, 12 violations of any kind, 0 effluent exceedances.
- pH: 5 limits, 9 violations of any kind, 0 effluent exceedances.
- NOEC Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia): 8 limits, 8 violations of any kind, 0 effluent exceedances.
- Arsenic, dry weight: 5 limits, 5 violations of any kind, 0 effluent exceedances.
- Chromium, sludge, total, dry weight [as Cr]: 5 limits, 5 violations of any kind, 0 effluent exceedances.
- NOEC Sub-Lethal Static Renewal 7 Day Chronic Menidia menidia: 8 limits, 4 violations of any kind, 0 effluent exceedances.
- Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia): 8 limits, 4 violations of any kind, 0 effluent exceedances.
- Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Menidia menidia: 8 limits, 4 violations of any kind, 0 effluent exceedances.
- LOEC Lethal Survival Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia): 8 limits, 4 violations of any kind, 0 effluent exceedances.
- LOEC Lethal Survival Static Renewal 7 Day Chronic Menidia menidia: 8 limits, 4 violations of any kind, 0 effluent exceedances.
- LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia): 8 limits, 4 violations of any kind, 0 effluent exceedances.
- LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Menidia menidia: 8 limits, 4 violations of any kind, 0 effluent exceedances.
- Selenium, dry weight: 3 limits, 3 violations of any kind, 0 effluent exceedances.
- Copper, dry weight: 3 limits, 3 violations of any kind, 0 effluent exceedances.
- Cadmium, dry weight: 3 limits, 3 violations of any kind, 0 effluent exceedances.
- Molybdenum, sludge, total, dry weight [as Mo]: 3 limits, 3 violations of any kind, 0 effluent exceedances.
- Zinc, sludge, total, dry weight [as Zn]: 3 limits, 3 violations of any kind, 0 effluent exceedances.
- Lead, sludge, total, dry weight [as Pb]: 3 limits, 3 violations of any kind, 0 effluent exceedances.
- Nickel, sludge, total, dry weight [as Ni]: 3 limits, 3 violations of any kind, 0 effluent exceedances.
- Mercury, sludge, total, dry weight [as Hg]: 3 limits, 3 violations of any kind, 0 effluent exceedances.
- Oxygen, dissolved [DO]: 2 limits, 3 violations of any kind, 0 effluent exceedances.
- Nickel, total [as Ni]: 2 limits, 2 violations of any kind, 0 effluent exceedances.
- Level of pathogen requirements achieved: 2 limits, 2 violations of any kind, 0 effluent exceedances.
- Description of pathogen option used: 2 limits, 2 violations of any kind, 0 effluent exceedances.
- Vector attraction reduction alternative used: 2 limits, 2 violations of any kind, 0 effluent exceedances.
- Polychlorinated biphenyls [PCBs]: 1 limit, 2 violations of any kind, 0 effluent exceedances.
- LC50 Pass/Fail Static 24Hr Acute Americamysis bahia (formerly Mysidopsis bahia): 2 limits, 1 violation of any kind, 0 effluent exceedances.
- LC50 Pass/Fail Static 24Hr Acute Menidia menidia: 2 limits, 1 violation of any kind, 0 effluent exceedances.
- Fecal coliform: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Toxicity characteristic leaching procedure: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Ann. amt sludge disposed by other method: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Annual amt of sludge incinerated: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Annual sludge production, total: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Annual amount of sludge land applied: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Annual amt. sludge disposed surface unit: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Annual amt sludge disposed in landfill: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Annual amt sludge transported interstate: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Unit w/liner/leachate collection system: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Compliance w/part 258 sludge requirement: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Boundary areas: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Salmonella: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Pollutant table from 503.13: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Whole effluent toxicity - retest #1: 14 limits, 0 violations of any kind, 0 effluent exceedances.
- Whole effluent toxicity - retest #2: 14 limits, 0 violations of any kind, 0 effluent exceedances.
- Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Menidia menidia: 8 limits, 0 violations of any kind, 0 effluent exceedances.
- NOEC Lethal Static Renewal 7 Day Chronic Menidia menidia: 8 limits, 0 violations of any kind, 0 effluent exceedances.
- Zinc, total [as Zn]: 6 limits, 0 violations of any kind, 0 effluent exceedances.
- Annual whole sludge application rate: 1 limit, 0 violations of any kind, 0 effluent exceedances.
- December 17, 2025: Permit Violations - Violation Specified in Comment (ST6).
- April 26, 2024: Dry-weather SSO discharge to waters of the U.S., not permit compliant, no endangerment (EP6).
- February 29, 2024: Permit Violations - Violation Specified in Comment (ST6).
- February 22, 2024: Dry-weather SSO discharge to waters of the U.S. that may endanger health or the environment (EP6).
- November 13, 2023: Dry-weather SSO discharge to waters of the U.S., not permit compliant, no endangerment (EP6).
- October 15, 2023: Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangerment (EP6).
- February 26, 2023: Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangerment (EP6).
- July 28, 2022: Permit Violations - Violation Specified in Comment (ST6).
- July 31, 2021: Permit Violations - Violation Specified in Comment (ST6).
- July 21, 2021: Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangerment (EP6).
- February 16, 2021: Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment (EP6).
- November 15, 2019: Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment (EP6).
- December 3, 2018: WW SSO - Overflow to Dry Land or Building Backup (EP6).
- February 15, 2018: Permit Violations - Violation Specified in Comment (ST6).
Texas holds 1,720 Publicly owned treatment works coverages of this permit type in EPA’s file; 127 were issued before TX0047082.
Coverages issued nearest TX0047082
- December 8, 2014: WILBARGER CREEK MUD 2 WWTP, Manor, TX0122840, held by WILBARGER CREEK MUD NO. 2
- December 10, 2014: CITY OF JOAQUIN WWTP, Joaquin, TX0069213, held by JOAQUIN,CITY OF
- December 10, 2014: CENTRAL WWTP, Pflugerville, TX0094927, held by PFLUGERVILLE, CITY OF
- December 10, 2014: PALMIRA MENDIOLA LA JOYA ISD 25 WWTP, La Joya, TX0132055, held by LA JOYA ISD
- December 16, 2014: MARTINEZ III WWTF, San Antonio, TX0117536, held by SAN ANTONIO RIVER AUTHORITY
- January 13, 2015: WALNUT CREEK WWTP, Austin, TX0046981, held by AUSTIN, CITY OF
- January 13, 2015: CITY OF BEASLEY WWTF, Beasley, TX0053945, held by BEASLEY, CITY OF
- January 13, 2015: HONEY GROVE WWTP, Honey Grove, TX0117951, held by HONEY GROVE, CITY OF
- January 14, 2015: CITY OF MULLIN WWTF, Mullin, TX0119008, held by MULLIN, CITY OF
- January 22, 2015: CITY OF BROWNWOOD WWTP, Brownwood, TX0047040, held by BROWNWOOD, CITY OF
ALLISON WWTP among its neighbors
EPA’s permit file holds 12 discharge permits in the City of Calallen-Nueces River subwatershed (HUC 121101110707), TX0047082 among them. Its county holds 317, 24 of them major permits; TX0047082 is a major permit.
Other permits in the City of Calallen-Nueces River subwatershed (HUC 121101110707)
- CCW BRACKISH RO WTP, Corpus Christi: TXR1504YV, minor permit, discharging to NUECES RIVER, permit term to March 4, 2028
- CITY OF CORPUS CHRISTI, Corpus Christi: TXR1543MY, minor permit, discharging to NUECES RIVER, permit term to March 4, 2028
- CORPUS CHRISTI POLLYWOG POND SLUDGE SITE, Corpus Christi: TXL005018, minor permit, permit term to September 23, 2021
- FHR ALLISON WATER PROCESSING FACILITY, Corpus Christi: TXR1568XQ, minor permit, discharging to NUECES RIVER, permit term to March 4, 2028
- FHR CORPUS CHRISTI WEST PLANT, Corpus Christi: TX0006289, major permit, discharging to VIOLA TURNING BASIN, DITCH, TIDAL B, permit term to June 1, 2020
- FHR CORPUS CHRISTI WEST REFINERY, Corpus Christi: TXG670532, minor permit, permit term to April 4, 2030
- HAVEN DRIVE OFFSITE, Corpus Christi: TXR1595RW, minor permit, discharging to OSO BAY, permit term to March 4, 2028
- MADALYNN ESTATES, Corpus Christi: TXR1583SV, minor permit, discharging to OSO CREEK, permit term to March 4, 2028
- ON STEVENS WTP, Corpus Christi: TXR1525RE, minor permit, discharging to NUECES RIVER TIDAL, permit term to March 4, 2028
- STARLITE LANE FROM VIOLET ROAD TO LEOPARD STREET, Corpus Christi: TXR1566WN, minor permit, discharging to NUECES RIVER, permit term to March 4, 2028
Identity
| Facility as filed | ALLISON WWTP |
|---|---|
| Permittee as filed | CORPUS CHRISTI, CITY OF (ALLIS |
| NPDES ID | TX0047082 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | January 12, 2015 |
| Expiration date | May 1, 2018 |
| Address | Corpus Christi, TX 78410 |
| Receiving water | NUECES RIVER |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | City of Calallen-Nueces River (HUC 121101110707) |
| Program components on file | POTW, Pretreatment |
| SIC | 4952 – Sewerage Systems |
Effluent limits and exceedances
- 56Pollutants on file
- 56Under a numeric limit
- 50With a violation of any kind
- 6With 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 |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 6 | 105 | 98 | November 30, 2025 | 283% over the limit |
| Solids, total suspended | 6 | 75 | 63 | March 31, 2024 | 1,398% over the limit |
| Enterococci | 4 | 36 | 36 | March 31, 2026 | 2,974% over the limit |
| BOD, 5-day, 20 deg. C | 3 | 39 | 30 | May 31, 2024 | 407% over the limit |
| Flow, in conduit or thru treatment plant | 9 | 26 | 2 | October 31, 2021 | 18% over the limit |
| Chlorine, total residual | 4 | 10 | 2 | March 31, 2006 | 11% over the limit |
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia) | 8 | 12 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 8 | 12 | 0 | ||
| BOD, carbonaceous [5 day, 20 C] | 3 | 12 | 0 | ||
| pH | 5 | 9 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 8 | 8 | 0 | ||
| Arsenic, dry weight | 5 | 5 | 0 | ||
| Chromium, sludge, total, dry weight [as Cr] | 5 | 5 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Menidia menidia | 8 | 4 | 0 | ||
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 8 | 4 | 0 | ||
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Menidia menidia | 8 | 4 | 0 | ||
| LOEC Lethal Survival Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 8 | 4 | 0 | ||
| LOEC Lethal Survival Static Renewal 7 Day Chronic Menidia menidia | 8 | 4 | 0 | ||
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia) | 8 | 4 | 0 | ||
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Menidia menidia | 8 | 4 | 0 | ||
| Selenium, dry weight | 3 | 3 | 0 | ||
| Copper, dry weight | 3 | 3 | 0 | ||
| Cadmium, dry weight | 3 | 3 | 0 | ||
| Molybdenum, sludge, total, dry weight [as Mo] | 3 | 3 | 0 | ||
| Zinc, sludge, total, dry weight [as Zn] | 3 | 3 | 0 | ||
| Lead, sludge, total, dry weight [as Pb] | 3 | 3 | 0 | ||
| Nickel, sludge, total, dry weight [as Ni] | 3 | 3 | 0 | ||
| Mercury, sludge, total, dry weight [as Hg] | 3 | 3 | 0 | ||
| Oxygen, dissolved [DO] | 2 | 3 | 0 | ||
| Nickel, total [as Ni] | 2 | 2 | 0 | ||
| Level of pathogen requirements achieved | 2 | 2 | 0 | ||
| Description of pathogen option used | 2 | 2 | 0 | ||
| Vector attraction reduction alternative used | 2 | 2 | 0 | ||
| Polychlorinated biphenyls [PCBs] | 1 | 2 | 0 | ||
| LC50 Pass/Fail Static 24Hr Acute Americamysis bahia (formerly Mysidopsis bahia) | 2 | 1 | 0 | ||
| LC50 Pass/Fail Static 24Hr Acute Menidia menidia | 2 | 1 | 0 | ||
| Fecal coliform | 1 | 1 | 0 | ||
| Toxicity characteristic leaching procedure | 1 | 1 | 0 | ||
| Ann. amt sludge disposed by other method | 1 | 1 | 0 | ||
| Annual amt of sludge incinerated | 1 | 1 | 0 | ||
| Annual sludge production, total | 1 | 1 | 0 | ||
| Annual amount of sludge land applied | 1 | 1 | 0 | ||
| Annual amt. sludge disposed surface unit | 1 | 1 | 0 | ||
| Annual amt sludge disposed in landfill | 1 | 1 | 0 | ||
| Annual amt sludge transported interstate | 1 | 1 | 0 | ||
| Unit w/liner/leachate collection system | 1 | 1 | 0 | ||
| Compliance w/part 258 sludge requirement | 1 | 1 | 0 | ||
| Boundary areas | 1 | 1 | 0 | ||
| Salmonella | 1 | 1 | 0 | ||
| Pollutant table from 503.13 | 1 | 1 | 0 | ||
| Whole effluent toxicity - retest #1 | 14 | 0 | 0 | ||
| Whole effluent toxicity - retest #2 | 14 | 0 | 0 | ||
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Menidia menidia | 8 | 0 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Menidia menidia | 8 | 0 | 0 | ||
| Zinc, total [as Zn] | 6 | 0 | 0 | ||
| Annual whole sludge application rate | 1 | 0 | 0 |
Inspections, violations and enforcement
- 14Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| December 17, 2025 | Permit Violations - Violation Specified in Comment | ST6 |
| April 26, 2024 | Dry-weather SSO discharge to waters of the U.S., not permit compliant, no endangerment | EP6 |
| February 29, 2024 | Permit Violations - Violation Specified in Comment | ST6 |
| February 22, 2024 | Dry-weather SSO discharge to waters of the U.S. that may endanger health or the environment | EP6 |
| November 13, 2023 | Dry-weather SSO discharge to waters of the U.S., not permit compliant, no endangerment | EP6 |
| October 15, 2023 | Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangerment | EP6 |
| February 26, 2023 | Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangerment | EP6 |
| July 28, 2022 | Permit Violations - Violation Specified in Comment | ST6 |
| July 31, 2021 | Permit Violations - Violation Specified in Comment | ST6 |
| July 21, 2021 | Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangerment | EP6 |
| February 16, 2021 | Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | EP6 |
| November 15, 2019 | Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | EP6 |
| December 3, 2018 | WW SSO - Overflow to Dry Land or Building Backup | EP6 |
| February 15, 2018 | Permit Violations - Violation Specified in Comment | ST6 |
Inspections
EPA’s inspection file holds no inspection for NPDES TX0047082.
Formal enforcement and penalties
0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.
Informal enforcement
EPA’s informal enforcement file holds no action for NPDES TX0047082.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.