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NPDES TX0084298 · Clean Water Act

SMITH INTERNATIONAL IND SUBDIVISION WS & AMP SS WWTP, Houston, TX: NPDES TX0084298 discharge permit, effluent exceedances, inspections, penalties

SMITH INTERNATIONAL IND SUBDIVISION WS & AMP SS WWTP, Houston, Texas: Individual permit TX0084298, held by SMITH INTERNATION INDUSTRIAL SUBDIVISION WATER SUPPLY & SEWER SERVICES CORP; Administratively continued; issued August 31, 2018, term to August 31, 2023; discharges to UNDERGROUND SEWER; GREENS BAYOU ABO.

  • BOD, 5-day, 20 deg. C: 4 limits, 43 violations of any kind, 18 effluent exceedances, latest August 31, 2015, largest 99,999% over the limit.
  • Oil & Grease: 4 limits, 38 violations of any kind, 10 effluent exceedances, latest December 31, 2023, largest 1,594% over the limit.
  • Chlorine, total residual: 2 limits, 15 violations of any kind, 3 effluent exceedances, latest May 31, 2025, largest 4% over the limit.
  • Flow, in conduit or thru treatment plant: 2 limits, 13 violations of any kind, 3 effluent exceedances, latest August 31, 2017, largest 31,233% over the limit.
  • Solids, total suspended: 4 limits, 22 violations of any kind, 1 effluent exceedance, latest November 30, 2023, largest 40% over the limit.
  • pH: 2 limits, 9 violations of any kind, 1 effluent exceedance, latest March 31, 2012.
  • E. coli: 2 limits, 7 violations of any kind, 1 effluent exceedance, latest February 28, 2025, largest 1,128% over the limit.
  • Oxygen demand, chem. [high level] [COD]: 4 limits, 20 violations of any kind.
  • Copper, total [as Cu]: 8 limits, 16 violations of any kind.
  • Chromium, total [as Cr]: 4 limits, 16 violations of any kind.
  • Nickel, total [as Ni]: 4 limits, 16 violations of any kind.
  • Zinc, total [as Zn]: 4 limits, 16 violations of any kind.
  • Cyanide, free [amenable to chlorination]: 4 limits, 12 violations of any kind.
  • Lead, total [as Pb]: 4 limits, 8 violations of any kind.
  • Silver, total [as Ag]: 4 limits, 8 violations of any kind.
  • Organics, total toxic [TTO]: 2 limits, 8 violations of any kind.
  • Cadmium, total [as Cd]: 4 limits, 4 violations of any kind.
  • October 16, 2025: Permit Violations - Violation Specified in Comment (ST6).

SMITH INTERNATIONAL IND SUBDIVISION WS & AMP SS WWTP among its neighbors

181 discharge permits are in the Upper Greens Bayou subwatershed (HUC 120401040603); TX0084298 is one. Its county: 4,455, 195 major; TX0084298 is minor permit.

Other permits in the Upper Greens Bayou subwatershed (HUC 120401040603)

Identity

FacilitySMITH INTERNATIONAL IND SUBDIVISION WS & AMP SS WWTP
PermitteeSMITH INTERNATION INDUSTRIAL SUBDIVISION WATER SUPPLY & SEWER SERVICES CORP
NPDES IDTX0084298
StatusAdministratively continued
TypeIndividual permit
ClassMinor
Facility typeNon-POTW
IssuedAugust 31, 2018
ExpiresAugust 31, 2023
AddressHouston, TX 77032
Receiving waterUNDERGROUND SEWER; GREENS BAYOU ABO
SubwatershedUpper Greens Bayou (HUC 120401040603)
Other EPA IDs (FRS)RCRA handler TXD000729426; ICIS-AIR source TX0000004820101235

NPDES TX0084298: effluent limits and exceedances

SMITH INTERNATIONAL IND SUBDIVISION WS & AMP SS WWTP (NPDES TX0084298): 17 pollutants on file, 17 limited; 17 with a violation of any kind, 7 with an exceedance.

How exceedances are counted.

PollutantLimitsViolationsExceedancesLatestLargest, as filed
BOD, 5-day, 20 deg. C44318August 31, 201599,999% over the limit
Oil & Grease43810December 31, 20231,594% over the limit
Chlorine, total residual2153May 31, 20254% over the limit
Flow, in conduit or thru treatment plant2133August 31, 201731,233% over the limit
Solids, total suspended4221November 30, 202340% over the limit
pH291March 31, 2012
E. coli271February 28, 20251,128% over the limit
Oxygen demand, chem. [high level] [COD]4200
Copper, total [as Cu]8160
Chromium, total [as Cr]4160
Nickel, total [as Ni]4160
Zinc, total [as Zn]4160
Cyanide, free [amenable to chlorination]4120
Lead, total [as Pb]480
Silver, total [as Ag]480
Organics, total toxic [TTO]280
Cadmium, total [as Cd]440

NPDES TX0084298: inspections, violations and enforcement

NPDES TX0084298: 1 single-event violation

DateWhat EPA recordedAgency
October 16, 2025Permit Violations - Violation Specified in CommentST6

NPDES TX0084298 (SMITH INTERNATIONAL IND SUBDIVISION WS & AMP SS WWTP): no inspection, formal enforcement action and informal enforcement action on file.

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Permits near NPDES TX0084298

NPDES TX0084298: 17 pollutant rows, 1 dated events; ICIS-NPDES download, loaded September 15, 2026.