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NPDES TX0085383 · Clean Water Act

SOUTHDOWN WWTP, Pearland, TX: NPDES TX0085383 discharge permit, effluent exceedances, inspections, penalties

SOUTHDOWN WWTP, Pearland, Texas: Individual permit TX0085383, held by PEARLAND, CITY OF; Publicly owned treatment works; Administratively continued; issued December 3, 2018, term to December 3, 2023; discharges to BCDD NO. 4 DITCH; CLEAR CREEK ABOVE TIDAL.

1 of the 38 pollutants listed for NPDES TX0085383 have no violation or effluent exceedance.

  • BOD, carbonaceous [5 day, 20 C]: 3 limits, 39 violations of any kind, 27 effluent exceedances, latest December 31, 2025, largest 68% over the limit.
  • Nitrogen, ammonia total [as N]: 3 limits, 36 violations of any kind, 27 effluent exceedances, latest June 30, 2025, largest 675% over the limit.
  • Chlorine, total residual: 2 limits, 13 violations of any kind, 5 effluent exceedances, latest December 31, 2024, largest 110% over the limit.
  • Solids, total suspended: 3 limits, 14 violations of any kind, 2 effluent exceedances, latest October 31, 2024, largest 173% over the limit.
  • Chromium, sludge, total, dry weight [as Cr]: 5 limits, 13 violations of any kind.
  • Arsenic, dry weight: 5 limits, 10 violations of any kind.
  • E. coli: 2 limits, 10 violations of any kind.
  • pH: 3 limits, 9 violations of any kind.
  • Flow, in conduit or thru treatment plant: 2 limits, 9 violations of any kind.
  • Selenium, dry weight: 3 limits, 6 violations of any kind.
  • Copper, dry weight: 3 limits, 6 violations of any kind.
  • Cadmium, dry weight: 3 limits, 6 violations of any kind.
  • Molybdenum, sludge, total, dry weight [as Mo]: 3 limits, 6 violations of any kind.
  • Zinc, sludge, total, dry weight [as Zn]: 3 limits, 6 violations of any kind.
  • Lead, sludge, total, dry weight [as Pb]: 3 limits, 6 violations of any kind.
  • Nickel, sludge, total, dry weight [as Ni]: 3 limits, 6 violations of any kind.
  • Mercury, sludge, total, dry weight [as Hg]: 3 limits, 6 violations of any kind.
  • Level of pathogen requirements achieved: 2 limits, 5 violations of any kind.
  • Description of pathogen option used: 2 limits, 5 violations of any kind.
  • Vector attraction reduction alternative used: 2 limits, 5 violations of any kind.
  • Nickel, total [as Ni]: 2 limits, 4 violations of any kind.
  • Oxygen, dissolved [DO]: 1 limit, 3 violations of any kind.
  • Annual amount of sludge land applied: 1 limit, 3 violations of any kind.
  • Compliance w/part 258 sludge requirement: 1 limit, 3 violations of any kind.
  • Pollutant table from 503.13: 1 limit, 3 violations of any kind.
  • Fecal coliform: 1 limit, 2 violations of any kind.
  • Polychlorinated biphenyls [PCBs]: 1 limit, 2 violations of any kind.
  • Toxicity characteristic leaching procedure: 1 limit, 2 violations of any kind.
  • Ann. amt sludge disposed by other method: 1 limit, 2 violations of any kind.
  • Annual amt of sludge incinerated: 1 limit, 2 violations of any kind.
  • Annual sludge production, total: 1 limit, 2 violations of any kind.
  • Annual amt. sludge disposed surface unit: 1 limit, 2 violations of any kind.
  • Annual amt sludge disposed in landfill: 1 limit, 2 violations of any kind.
  • Annual amt sludge transported interstate: 1 limit, 2 violations of any kind.
  • Unit w/liner/leachate collection system: 1 limit, 2 violations of any kind.
  • Boundary areas: 1 limit, 2 violations of any kind.
  • Salmonella: 1 limit, 2 violations of any kind.
  • Annual whole sludge application rate: 1 limit.
  • February 27, 2026: Under Review (State).
  • May 22, 2023: Permit Violations - Violation Specified in Comment (ST6).
  • February 16, 2023: Permit Violations - Violation Specified in Comment (ST6).
  • November 27, 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; 953 were issued before TX0085383. PEARLAND, CITY OF holds 4 permits in Texas.

Other permits held by PEARLAND, CITY OF

Coverages issued nearest TX0085383

SOUTHDOWN WWTP among its neighbors

560 discharge permits are in the Clear Creek-Frontal Galveston Bay subwatershed (HUC 120402040100); TX0085383 is one. Its county: 522, 24 major; TX0085383 is minor permit.

Other permits in the Clear Creek-Frontal Galveston Bay subwatershed (HUC 120402040100)

Identity

FacilitySOUTHDOWN WWTP
PermitteePEARLAND, CITY OF
NPDES IDTX0085383
StatusAdministratively continued
TypeIndividual permit
ClassMinor
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedDecember 3, 2018
ExpiresDecember 3, 2023
AddressPearland, TX 77584
Receiving waterBCDD NO. 4 DITCH; CLEAR CREEK ABOVE TIDAL
SubwatershedClear Creek-Frontal Galveston Bay (HUC 120402040100)
SIC4952 – Sewerage Systems

NPDES TX0085383: effluent limits and exceedances

SOUTHDOWN WWTP (NPDES TX0085383): 38 pollutants on file, 38 limited; 37 with a violation of any kind, 4 with an exceedance.

How exceedances are counted.

PollutantLimitsViolationsExceedancesLatestLargest, as filed
BOD, carbonaceous [5 day, 20 C]33927December 31, 202568% over the limit
Nitrogen, ammonia total [as N]33627June 30, 2025675% over the limit
Chlorine, total residual2135December 31, 2024110% over the limit
Solids, total suspended3142October 31, 2024173% over the limit
Chromium, sludge, total, dry weight [as Cr]5130
Arsenic, dry weight5100
E. coli2100
pH390
Flow, in conduit or thru treatment plant290
Selenium, dry weight360
Copper, dry weight360
Cadmium, dry weight360
Molybdenum, sludge, total, dry weight [as Mo]360
Zinc, sludge, total, dry weight [as Zn]360
Lead, sludge, total, dry weight [as Pb]360
Nickel, sludge, total, dry weight [as Ni]360
Mercury, sludge, total, dry weight [as Hg]360
Level of pathogen requirements achieved250
Description of pathogen option used250
Vector attraction reduction alternative used250
Nickel, total [as Ni]240
Oxygen, dissolved [DO]130
Annual amount of sludge land applied130
Compliance w/part 258 sludge requirement130
Pollutant table from 503.13130
Fecal coliform120
Polychlorinated biphenyls [PCBs]120
Toxicity characteristic leaching procedure120
Ann. amt sludge disposed by other method120
Annual amt of sludge incinerated120
Annual sludge production, total120
Annual amt. sludge disposed surface unit120
Annual amt sludge disposed in landfill120
Annual amt sludge transported interstate120
Unit w/liner/leachate collection system120
Boundary areas120
Salmonella120
Annual whole sludge application rate100

NPDES TX0085383: inspections, violations and enforcement

NPDES TX0085383: 3 single-event violations

DateWhat EPA recordedAgency
May 22, 2023Permit Violations - Violation Specified in CommentST6
February 16, 2023Permit Violations - Violation Specified in CommentST6
November 27, 2018Permit Violations - Violation Specified in CommentST6

NPDES TX0085383: 1 informal enforcement action

DateWhat EPA recordedAgency
February 27, 2026Under ReviewState

NPDES TX0085383 (SOUTHDOWN WWTP): no inspection and formal enforcement action on file.

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Permits near NPDES TX0085383

NPDES TX0085383: 38 pollutant rows, 4 dated events; ICIS-NPDES download, loaded October 14, 2026.