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NPDES TX0021369 · Clean Water Act

BACLIFF MUD CENTRAL WWTP, Bacliff, TX: NPDES TX0021369 discharge permit, effluent exceedances, inspections, penalties

BACLIFF MUD CENTRAL WWTP, Bacliff, Texas: Individual permit TX0021369, held by BACLIFF MUD; Publicly owned treatment works; Administratively continued; issued December 11, 2018, term to December 11, 2023; discharges to DIRECTLY UPPER GALVESTON BAY.

3 of the 53 pollutants listed for NPDES TX0021369 have no violation or effluent exceedance.

  • Enterococci: 2 limits, 70 violations of any kind, 70 effluent exceedances, latest June 30, 2026, largest 27,087% over the limit.
  • Flow, in conduit or thru treatment plant: 4 limits, 34 violations of any kind, 27 effluent exceedances, latest November 30, 2023, largest 98% over the limit.
  • Chlorine, total residual: 0 limits, 15 violations of any kind, 1 effluent exceedance, latest April 30, 2009, largest 607% over the limit.
  • Oxygen, dissolved [DO]: 1 limit, 3 violations of any kind, 1 effluent exceedance, latest July 31, 2025, largest 30% over the limit.
  • Chromium, sludge, total, dry weight [as Cr]: 5 limits, 8 violations of any kind.
  • Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia): 2 limits, 8 violations of any kind.
  • Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Menidia menidia: 2 limits, 8 violations of any kind.
  • NOEC Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia): 2 limits, 8 violations of any kind.
  • NOEC Lethal Static Renewal 7 Day Chronic Menidia menidia: 2 limits, 8 violations of any kind.
  • NOEC Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia): 2 limits, 8 violations of any kind.
  • Solids, total suspended: 3 limits, 7 violations of any kind.
  • BOD, 5-day, 20 deg. C: 3 limits, 6 violations of any kind.
  • NOEC Sub-Lethal Static Renewal 7 Day Chronic Menidia menidia: 2 limits, 6 violations of any kind.
  • Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia): 2 limits, 6 violations of any kind.
  • Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Menidia menidia: 2 limits, 6 violations of any kind.
  • LOEC Lethal Survival Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia): 2 limits, 6 violations of any kind.
  • LOEC Lethal Survival Static Renewal 7 Day Chronic Menidia menidia: 2 limits, 6 violations of any kind.
  • LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia): 2 limits, 6 violations of any kind.
  • LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Menidia menidia: 2 limits, 6 violations of any kind.
  • LC50 Pass/Fail Static 24Hr Acute Americamysis bahia (formerly Mysidopsis bahia): 1 limit, 6 violations of any kind.
  • LC50 Pass/Fail Static 24Hr Acute Menidia menidia: 1 limit, 6 violations of any kind.
  • Arsenic, dry weight: 5 limits, 5 violations of any kind.
  • pH: 3 limits, 5 violations of any kind.
  • Selenium, dry weight: 3 limits, 3 violations of any kind.
  • Copper, dry weight: 3 limits, 3 violations of any kind.
  • Cadmium, dry weight: 3 limits, 3 violations of any kind.
  • Molybdenum, sludge, total, dry weight [as Mo]: 3 limits, 3 violations of any kind.
  • Zinc, sludge, total, dry weight [as Zn]: 3 limits, 3 violations of any kind.
  • Lead, sludge, total, dry weight [as Pb]: 3 limits, 3 violations of any kind.
  • Nickel, sludge, total, dry weight [as Ni]: 3 limits, 3 violations of any kind.
  • Mercury, sludge, total, dry weight [as Hg]: 3 limits, 3 violations of any kind.
  • Level of pathogen requirements achieved: 2 limits, 3 violations of any kind.
  • Description of pathogen option used: 2 limits, 3 violations of any kind.
  • Vector attraction reduction alternative used: 2 limits, 3 violations of any kind.
  • Nickel, total [as Ni]: 2 limits, 2 violations of any kind.
  • Pollutant table from 503.13: 1 limit, 2 violations of any kind.
  • Fecal coliform: 1 limit, 1 violation of any kind.
  • Polychlorinated biphenyls [PCBs]: 1 limit, 1 violation of any kind.
  • Toxicity characteristic leaching procedure: 1 limit, 1 violation of any kind.
  • Ann. amt sludge disposed by other method: 1 limit, 1 violation of any kind.
  • Annual amt of sludge incinerated: 1 limit, 1 violation of any kind.
  • Annual sludge production, total: 1 limit, 1 violation of any kind.
  • Annual amount of sludge land applied: 1 limit, 1 violation of any kind.
  • Annual amt. sludge disposed surface unit: 1 limit, 1 violation of any kind.
  • Annual amt sludge disposed in landfill: 1 limit, 1 violation of any kind.
  • Annual amt sludge transported interstate: 1 limit, 1 violation of any kind.
  • Unit w/liner/leachate collection system: 1 limit, 1 violation of any kind.
  • Compliance w/part 258 sludge requirement: 1 limit, 1 violation of any kind.
  • Boundary areas: 1 limit, 1 violation of any kind.
  • Salmonella: 1 limit, 1 violation of any kind.
  • Whole effluent toxicity - retest #1: 3 limits.
  • Whole effluent toxicity - retest #2: 3 limits.
  • Annual whole sludge application rate: 1 limit.
  • April 7, 2026: Evaluation (S).
  • August 3, 2022: Permit Violations - Violation Specified in Comment (ST6).

Texas holds 1,720 Publicly owned treatment works coverages of this permit type in EPA’s file; 959 were issued before TX0021369.

Coverages issued nearest TX0021369

BACLIFF MUD CENTRAL WWTP among its neighbors

Its county: 419, 18 major; TX0021369 is major permit.

Other permits in the county

Identity

FacilityBACLIFF MUD CENTRAL WWTP
PermitteeBACLIFF MUD
NPDES IDTX0021369
StatusAdministratively continued
TypeIndividual permit
ClassMajor
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedDecember 11, 2018
ExpiresDecember 11, 2023
AddressBacliff, TX 77518
Receiving waterDIRECTLY UPPER GALVESTON BAY
SIC4952 – Sewerage Systems

NPDES TX0021369: effluent limits and exceedances

BACLIFF MUD CENTRAL WWTP (NPDES TX0021369): 53 pollutants on file, 52 limited; 50 with a violation of any kind, 4 with an exceedance.

How exceedances are counted.

PollutantLimitsViolationsExceedancesLatestLargest, as filed
Enterococci27070June 30, 202627,087% over the limit
Flow, in conduit or thru treatment plant43427November 30, 202398% over the limit
Chlorine, total residual0151April 30, 2009607% over the limit
Oxygen, dissolved [DO]131July 31, 202530% over the limit
Chromium, sludge, total, dry weight [as Cr]580
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)280
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Menidia menidia280
NOEC Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)280
NOEC Lethal Static Renewal 7 Day Chronic Menidia menidia280
NOEC Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)280
Solids, total suspended370
BOD, 5-day, 20 deg. C360
NOEC Sub-Lethal Static Renewal 7 Day Chronic Menidia menidia260
Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)260
Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Menidia menidia260
LOEC Lethal Survival Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)260
LOEC Lethal Survival Static Renewal 7 Day Chronic Menidia menidia260
LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)260
LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Menidia menidia260
LC50 Pass/Fail Static 24Hr Acute Americamysis bahia (formerly Mysidopsis bahia)160
LC50 Pass/Fail Static 24Hr Acute Menidia menidia160
Arsenic, dry weight550
pH350
Selenium, dry weight330
Copper, dry weight330
Cadmium, dry weight330
Molybdenum, sludge, total, dry weight [as Mo]330
Zinc, sludge, total, dry weight [as Zn]330
Lead, sludge, total, dry weight [as Pb]330
Nickel, sludge, total, dry weight [as Ni]330
Mercury, sludge, total, dry weight [as Hg]330
Level of pathogen requirements achieved230
Description of pathogen option used230
Vector attraction reduction alternative used230
Nickel, total [as Ni]220
Pollutant table from 503.13120
Fecal coliform110
Polychlorinated biphenyls [PCBs]110
Toxicity characteristic leaching procedure110
Ann. amt sludge disposed by other method110
Annual amt of sludge incinerated110
Annual sludge production, total110
Annual amount of sludge land applied110
Annual amt. sludge disposed surface unit110
Annual amt sludge disposed in landfill110
Annual amt sludge transported interstate110
Unit w/liner/leachate collection system110
Compliance w/part 258 sludge requirement110
Boundary areas110
Salmonella110
Whole effluent toxicity - retest #1300
Whole effluent toxicity - retest #2300
Annual whole sludge application rate100

NPDES TX0021369: inspections, violations and enforcement

NPDES TX0021369: 1 single-event violation

DateWhat EPA recordedAgency
August 3, 2022Permit Violations - Violation Specified in CommentST6

NPDES TX0021369: 1 inspection

DateWhat EPA recordedAgency
April 7, 2026EvaluationS

NPDES TX0021369 (BACLIFF MUD CENTRAL WWTP): no formal enforcement action and informal enforcement action on file.

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Permits near NPDES TX0021369

NPDES TX0021369: 53 pollutant rows, 2 dated events; ICIS-NPDES download, loaded October 14, 2026.