Velarion Records
Free: one email when NPDES TX0021237 changes. Unsubscribe any time.

NPDES TX0021237 · Clean Water Act

FALLBROOK UD WWTP, Houston, TX: NPDES TX0021237 discharge permit, effluent exceedances, inspections, penalties

FALLBROOK UD WWTP, Houston, Texas: Individual permit TX0021237, held by FALLBROOK UTILITY DISTRICT; Publicly owned treatment works; Administratively continued; issued June 28, 2018, term to June 28, 2023; discharges to HCFCD P118-31-00; HALLS BAYOU;GREENS BAYOU.

29 of the 54 pollutants listed for NPDES TX0021237 have no violation or effluent exceedance.

  • E. coli: 2 limits, 36 violations of any kind, 28 effluent exceedances, latest October 31, 2025, largest 2,320% over the limit.
  • Oxygen, dissolved [DO]: 1 limit, 19 violations of any kind, 8 effluent exceedances, latest June 30, 2022, largest 33% over the limit.
  • Nitrogen, ammonia total [as N]: 3 limits, 40 violations of any kind, 7 effluent exceedances, latest March 31, 2011, largest 111% over the limit.
  • Flow, in conduit or thru treatment plant: 4 limits, 56 violations of any kind, 4 effluent exceedances, latest June 30, 2026, largest 35% over the limit.
  • Chlorine, total residual: 2 limits, 29 violations of any kind, 2 effluent exceedances, latest December 31, 2005, largest 304% over the limit.
  • Solids, total suspended: 3 limits, 33 violations of any kind.
  • BOD, carbonaceous [5 day, 20 C]: 3 limits, 33 violations of any kind.
  • pH: 3 limits, 24 violations of any kind.
  • LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Ceriodaphnia dubia: 4 limits, 8 violations of any kind.
  • LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Pimephales promelas: 4 limits, 8 violations of any kind.
  • LOEC Lethal Survival Static Renewal 7 Day Chronic Ceriodaphnia dubia: 4 limits, 4 violations of any kind.
  • LOEC Lethal Survival Static Renewal 7 Day Chronic Pimephales promelas: 4 limits, 4 violations of any kind.
  • Toxicity characteristic leaching procedure: 1 limit, 3 violations of any kind.
  • LC50 Pass/Fail Static 24Hr Acute D. Pulex: 1 limit, 3 violations of any kind.
  • LC50 Pass/Fail Static 24Hr Acute Pimephales promelas: 1 limit, 3 violations of any kind.
  • Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia: 4 limits, 2 violations of any kind.
  • Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas: 4 limits, 2 violations of any kind.
  • NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia: 4 limits, 2 violations of any kind.
  • NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas: 4 limits, 2 violations of any kind.
  • NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia: 4 limits, 2 violations of any kind.
  • NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas: 4 limits, 2 violations of any kind.
  • Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia: 4 limits, 2 violations of any kind.
  • Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Pinephales promelas: 4 limits, 2 violations of any kind.
  • Vector attraction reduction alternative used: 2 limits, 1 violation of any kind.
  • Polychlorinated biphenyls [PCBs]: 1 limit, 1 violation of any kind.
  • Whole effluent toxicity - retest #1: 7 limits.
  • Whole effluent toxicity - retest #2: 7 limits.
  • Arsenic, dry weight: 5 limits.
  • Chromium, sludge, total, dry weight [as Cr]: 5 limits.
  • Selenium, dry weight: 3 limits.
  • Copper, dry weight: 3 limits.
  • Cadmium, dry weight: 3 limits.
  • Molybdenum, sludge, total, dry weight [as Mo]: 3 limits.
  • Zinc, sludge, total, dry weight [as Zn]: 3 limits.
  • Lead, sludge, total, dry weight [as Pb]: 3 limits.
  • Nickel, sludge, total, dry weight [as Ni]: 3 limits.
  • Mercury, sludge, total, dry weight [as Hg]: 3 limits.
  • Nickel, total [as Ni]: 2 limits.
  • Level of pathogen requirements achieved: 2 limits.
  • Description of pathogen option used: 2 limits.
  • Fecal coliform: 1 limit.
  • Annual whole sludge application rate: 1 limit.
  • Ann. amt sludge disposed by other method: 1 limit.
  • Annual amt of sludge incinerated: 1 limit.
  • Annual sludge production, total: 1 limit.
  • Annual amount of sludge land applied: 1 limit.
  • Annual amt. sludge disposed surface unit: 1 limit.
  • Annual amt sludge disposed in landfill: 1 limit.
  • Annual amt sludge transported interstate: 1 limit.
  • Unit w/liner/leachate collection system: 1 limit.
  • Compliance w/part 258 sludge requirement: 1 limit.
  • Boundary areas: 1 limit.
  • Salmonella: 1 limit.
  • Pollutant table from 503.13: 1 limit.
  • June 23, 2026: State CWA Penalty AO (State), $32,625 state or local penalty.
  • May 2, 2025: Permit Violations - Violation Specified in Comment (ST6).
  • March 23, 2023: Permit Violations - Violation Specified in Comment (ST6).

Texas holds 1,720 Publicly owned treatment works coverages of this permit type in EPA’s file; 807 were issued before TX0021237.

Coverages issued nearest TX0021237

FALLBROOK UD WWTP among its neighbors

249 discharge permits are in the Halls Bayou subwatershed (HUC 120401040604); TX0021237 is one. Its county: 4,455, 195 major; TX0021237 is major permit.

Other permits in the Halls Bayou subwatershed (HUC 120401040604)

Identity

FacilityFALLBROOK UD WWTP
PermitteeFALLBROOK UTILITY DISTRICT
NPDES IDTX0021237
StatusAdministratively continued
TypeIndividual permit
ClassMajor
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedJune 28, 2018
ExpiresJune 28, 2023
AddressHouston, TX 77038
Receiving waterHCFCD P118-31-00; HALLS BAYOU;GREENS BAYOU
SubwatershedHalls Bayou (HUC 120401040604)

NPDES TX0021237: effluent limits and exceedances

FALLBROOK UD WWTP (NPDES TX0021237): 54 pollutants on file, 54 limited; 25 with a violation of any kind, 5 with an exceedance.

How exceedances are counted.

PollutantLimitsViolationsExceedancesLatestLargest, as filed
E. coli23628October 31, 20252,320% over the limit
Oxygen, dissolved [DO]1198June 30, 202233% over the limit
Nitrogen, ammonia total [as N]3407March 31, 2011111% over the limit
Flow, in conduit or thru treatment plant4564June 30, 202635% over the limit
Chlorine, total residual2292December 31, 2005304% over the limit
Solids, total suspended3330
BOD, carbonaceous [5 day, 20 C]3330
pH3240
LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Ceriodaphnia dubia480
LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Pimephales promelas480
LOEC Lethal Survival Static Renewal 7 Day Chronic Ceriodaphnia dubia440
LOEC Lethal Survival Static Renewal 7 Day Chronic Pimephales promelas440
Toxicity characteristic leaching procedure130
LC50 Pass/Fail Static 24Hr Acute D. Pulex130
LC50 Pass/Fail Static 24Hr Acute Pimephales promelas130
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia420
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas420
NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia420
NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas420
NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia420
NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas420
Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia420
Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Pinephales promelas420
Vector attraction reduction alternative used210
Polychlorinated biphenyls [PCBs]110
Whole effluent toxicity - retest #1700
Whole effluent toxicity - retest #2700
Arsenic, dry weight500
Chromium, sludge, total, dry weight [as Cr]500
Selenium, dry weight300
Copper, dry weight300
Cadmium, dry weight300
Molybdenum, sludge, total, dry weight [as Mo]300
Zinc, sludge, total, dry weight [as Zn]300
Lead, sludge, total, dry weight [as Pb]300
Nickel, sludge, total, dry weight [as Ni]300
Mercury, sludge, total, dry weight [as Hg]300
Nickel, total [as Ni]200
Level of pathogen requirements achieved200
Description of pathogen option used200
Fecal coliform100
Annual whole sludge application rate100
Ann. amt sludge disposed by other method100
Annual amt of sludge incinerated100
Annual sludge production, total100
Annual amount of sludge land applied100
Annual amt. sludge disposed surface unit100
Annual amt sludge disposed in landfill100
Annual amt sludge transported interstate100
Unit w/liner/leachate collection system100
Compliance w/part 258 sludge requirement100
Boundary areas100
Salmonella100
Pollutant table from 503.13100

NPDES TX0021237: inspections, violations and enforcement

NPDES TX0021237: 2 single-event violations

DateWhat EPA recordedAgency
May 2, 2025Permit Violations - Violation Specified in CommentST6
March 23, 2023Permit Violations - Violation Specified in CommentST6

NPDES TX0021237: 1 formal enforcement action

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

DateWhat EPA recordedAgencyFederal penaltyState or local penalty
June 23, 2026State CWA Penalty AOState$32,625

NPDES TX0021237 (FALLBROOK UD WWTP): no inspection and informal enforcement action on file.

Watch NPDES TX0021237

NPDES TX0021237: one email when its EPA record changes — $99/month.

Billing

Privacy

Permits near NPDES TX0021237

NPDES TX0021237: 54 pollutant rows, 3 dated events; ICIS-NPDES download, loaded September 15, 2026.