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NPDES TX0113123 · Clean Water Act

HARRIS COUNTY MUD 24 WTP, Houston, TX: NPDES TX0113123 discharge permit, effluent exceedances, inspections, penalties

HARRIS COUNTY MUD 24 WTP, Houston, Texas: Individual permit TX0113123, held by HARRIS COUNTY MUD NO. 180; Publicly owned treatment works; Administratively continued; issued April 26, 2018, term to April 26, 2023; discharges to STORM SEWER;THEISS GULLY;SPRING GULLY;CYPRESS CRK.

1 of the 33 pollutants listed for NPDES TX0113123 have no violation or effluent exceedance.

  • Solids, total suspended: 3 limits, 65 violations of any kind, 2 effluent exceedances, latest April 30, 2025, largest 6% over the limit.
  • pH: 3 limits, 46 violations of any kind, 1 effluent exceedance, latest September 30, 2010.
  • Flow, in conduit or thru treatment plant: 2 limits, 43 violations of any kind, 1 effluent exceedance, latest November 30, 2005, largest 178% over the limit.
  • Arsenic, dry weight: 5 limits, 5 violations of any kind.
  • Chromium, sludge, total, dry weight [as Cr]: 5 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.
  • Nickel, total [as Ni]: 2 limits, 2 violations of any kind.
  • Level of pathogen requirements achieved: 2 limits, 2 violations of any kind.
  • Description of pathogen option used: 2 limits, 2 violations of any kind.
  • Vector attraction reduction alternative used: 2 limits, 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.
  • Pollutant table from 503.13: 1 limit, 1 violation of any kind.
  • Annual whole sludge application rate: 1 limit.

Texas holds 1,720 Publicly owned treatment works coverages of this permit type in EPA’s file; 755 were issued before TX0113123. HARRIS COUNTY MUD NO. 180 holds 3 permits in Texas.

Other permits held by HARRIS COUNTY MUD NO. 180

Coverages issued nearest TX0113123

HARRIS COUNTY MUD 24 WTP among its neighbors

121 discharge permits are in the Marshall Lake-Cypress Creek subwatershed (HUC 120401020106); TX0113123 is one. Its county: 4,455, 195 major; TX0113123 is minor permit.

Other permits in the Marshall Lake-Cypress Creek subwatershed (HUC 120401020106)

Identity

FacilityHARRIS COUNTY MUD 24 WTP
PermitteeHARRIS COUNTY MUD NO. 180
NPDES IDTX0113123
StatusAdministratively continued
TypeIndividual permit
ClassMinor
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedApril 26, 2018
ExpiresApril 26, 2023
AddressHouston, TX 77379
Receiving waterSTORM SEWER;THEISS GULLY;SPRING GULLY;CYPRESS CRK
SubwatershedMarshall Lake-Cypress Creek (HUC 120401020106)
SIC4941 – Water Supply

NPDES TX0113123: effluent limits and exceedances

HARRIS COUNTY MUD 24 WTP (NPDES TX0113123): 33 pollutants on file, 33 limited; 32 with a violation of any kind, 3 with an exceedance.

How exceedances are counted.

PollutantLimitsViolationsExceedancesLatestLargest, as filed
Solids, total suspended3652April 30, 20256% over the limit
pH3461September 30, 2010
Flow, in conduit or thru treatment plant2431November 30, 2005178% over the limit
Arsenic, dry weight550
Chromium, sludge, total, dry weight [as Cr]550
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
Nickel, total [as Ni]220
Level of pathogen requirements achieved220
Description of pathogen option used220
Vector attraction reduction alternative used220
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
Pollutant table from 503.13110
Annual whole sludge application rate100

NPDES TX0113123: inspections, violations and enforcement

NPDES TX0113123 (HARRIS COUNTY MUD 24 WTP): no single-event violation, inspection, formal enforcement action and informal enforcement action on file.

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Permits near NPDES TX0113123

NPDES TX0113123: 33 pollutant rows, 0 dated events; ICIS-NPDES download, loaded October 14, 2026.