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NPDES TX0021211 · Clean Water Act

HARRIS COUNTY WCID 119 WWTP, Houston, TX: NPDES TX0021211 discharge permit, effluent exceedances, inspections, penalties

HARRIS COUNTY WCID 119 WWTP, Houston, Texas: Individual permit TX0021211, held by HARRIS COUNTY WCID 119; Publicly owned treatment works; Administratively continued; issued February 13, 2018, term to February 1, 2023; discharges to DRY GULLY;CYPRESS CREEK.

1 of the 38 pollutants listed for NPDES TX0021211 have no violation or effluent exceedance.

  • Nitrogen, ammonia total [as N]: 3 limits, 47 violations of any kind, 41 effluent exceedances, latest May 31, 2026, largest 207% over the limit.
  • pH: 3 limits, 11 violations of any kind, 4 effluent exceedances, latest April 30, 2016.
  • Solids, total suspended: 3 limits, 9 violations of any kind, 3 effluent exceedances, latest April 30, 2005, largest 60% over the limit.
  • E. coli: 2 limits, 5 violations of any kind, 3 effluent exceedances, latest May 31, 2019, largest 119% over the limit.
  • Chlorine, total residual: 2 limits, 7 violations of any kind, 1 effluent exceedance, latest September 30, 2006, largest 47% over the limit.
  • Oxygen, dissolved [DO]: 1 limit, 4 violations of any kind, 1 effluent exceedance, latest August 31, 2024, largest 2% over the limit.
  • BOD, carbonaceous [5 day, 20 C]: 3 limits, 9 violations of any kind.
  • Flow, in conduit or thru treatment plant: 2 limits, 6 violations of any kind.
  • 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.
  • Compliance w/part 258 sludge requirement: 1 limit, 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.
  • 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.
  • September 22, 2026: State CWA Penalty AO (State), $11,812 state or local penalty.
  • June 22, 2026: Under Review (State).
  • March 31, 2025: Permit Violations - Violation Specified in Comment (ST6).

Texas holds 1,720 Publicly owned treatment works coverages of this permit type in EPA’s file; 681 were issued before TX0021211.

Coverages issued nearest TX0021211

HARRIS COUNTY WCID 119 WWTP among its neighbors

121 discharge permits are in the Marshall Lake-Cypress Creek subwatershed (HUC 120401020106); TX0021211 is one. Its county: 4,455, 195 major; TX0021211 is minor permit.

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

Identity

FacilityHARRIS COUNTY WCID 119 WWTP
PermitteeHARRIS COUNTY WCID 119
NPDES IDTX0021211
StatusAdministratively continued
TypeIndividual permit
ClassMinor
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedFebruary 13, 2018
ExpiresFebruary 1, 2023
AddressHouston, TX 77379
Receiving waterDRY GULLY;CYPRESS CREEK
SubwatershedMarshall Lake-Cypress Creek (HUC 120401020106)
SIC4952 – Sewerage Systems

NPDES TX0021211: effluent limits and exceedances

HARRIS COUNTY WCID 119 WWTP (NPDES TX0021211): 38 pollutants on file, 38 limited; 37 with a violation of any kind, 6 with an exceedance.

How exceedances are counted.

PollutantLimitsViolationsExceedancesLatestLargest, as filed
Nitrogen, ammonia total [as N]34741May 31, 2026207% over the limit
pH3114April 30, 2016
Solids, total suspended393April 30, 200560% over the limit
E. coli253May 31, 2019119% over the limit
Chlorine, total residual271September 30, 200647% over the limit
Oxygen, dissolved [DO]141August 31, 20242% over the limit
BOD, carbonaceous [5 day, 20 C]390
Flow, in conduit or thru treatment plant260
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
Compliance w/part 258 sludge requirement130
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
Boundary areas110
Salmonella110
Pollutant table from 503.13110
Annual whole sludge application rate100

NPDES TX0021211: inspections, violations and enforcement

NPDES TX0021211: 1 single-event violation

DateWhat EPA recordedAgency
March 31, 2025Permit Violations - Violation Specified in CommentST6

NPDES TX0021211: 1 formal enforcement action

1 of them with a penalty assessed. How penalties are shown.

DateWhat EPA recordedAgencyFederal penaltyState or local penalty
September 22, 2026State CWA Penalty AOState$11,812

NPDES TX0021211: 1 informal enforcement action

DateWhat EPA recordedAgency
June 22, 2026Under ReviewState

NPDES TX0021211 (HARRIS COUNTY WCID 119 WWTP): no inspection on file.

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Permits near NPDES TX0021211

NPDES TX0021211: 38 pollutant rows, 3 dated events; ICIS-NPDES download, loaded October 14, 2026.