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NPDES TX0025470 · Clean Water Act

BRENHAM WWTP, Brenham, TX: NPDES TX0025470 discharge permit, effluent exceedances, inspections, penalties

BRENHAM WWTP, Brenham, Texas: Individual permit TX0025470, held by BRENHAM, CITY OF; Publicly owned treatment works; Administratively continued; issued October 23, 2019, term to October 23, 2024; discharges to Brazos River Below Navasota River.

  • Nitrogen, ammonia total [as N]: 3 limits, 20 violations of any kind, 14 effluent exceedances, latest January 31, 2016, largest 114% over the limit.
  • BOD, carbonaceous [5 day, 20 C]: 3 limits, 23 violations of any kind, 11 effluent exceedances, latest January 31, 2016, largest 433% over the limit.
  • Mercury, total [as Hg]: 6 limits, 15 violations of any kind, 9 effluent exceedances, latest July 31, 2019, largest 1,900% over the limit.
  • E. coli: 2 limits, 7 violations of any kind, 5 effluent exceedances, latest January 31, 2022, largest 334% over the limit.
  • Flow, in conduit or thru treatment plant: 4 limits, 11 violations of any kind, 2 effluent exceedances, latest October 31, 2004, largest 76,775% over the limit.
  • pH: 3 limits, 9 violations of any kind, 2 effluent exceedances, latest October 31, 2015.
  • Solids, total suspended: 3 limits, 8 violations of any kind, 2 effluent exceedances, latest January 31, 2016, largest 22% over the limit.
  • Arsenic, dry weight: 5 limits, 12 violations of any kind, 1 effluent exceedance, latest July 31, 2003, largest 105% over the limit.
  • Zinc, sludge, total, dry weight [as Zn]: 3 limits, 11 violations of any kind, 1 effluent exceedance, latest July 31, 2007, largest 55% over the limit.
  • Chromium, sludge, total, dry weight [as Cr]: 5 limits, 15 violations of any kind.
  • LOEC Lethal Survival Static Renewal 7 Day Chronic Ceriodaphnia dubia: 2 limits, 14 violations of any kind.
  • Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia: 2 limits, 13 violations of any kind.
  • NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia: 2 limits, 13 violations of any kind.
  • NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia: 2 limits, 13 violations of any kind.
  • Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia: 2 limits, 12 violations of any kind.
  • LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Ceriodaphnia dubia: 2 limits, 12 violations of any kind.
  • Selenium, dry weight: 3 limits, 10 violations of any kind.
  • Copper, dry weight: 3 limits, 10 violations of any kind.
  • Cadmium, dry weight: 3 limits, 10 violations of any kind.
  • Lead, sludge, total, dry weight [as Pb]: 3 limits, 10 violations of any kind.
  • Nickel, sludge, total, dry weight [as Ni]: 3 limits, 10 violations of any kind.
  • Mercury, sludge, total, dry weight [as Hg]: 3 limits, 10 violations of any kind.
  • LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Pimephales promelas: 2 limits, 8 violations of any kind.
  • Chlorine, total residual: 2 limits, 7 violations of any kind.
  • Molybdenum, sludge, total, dry weight [as Mo]: 3 limits, 6 violations of any kind.
  • Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas: 2 limits, 6 violations of any kind.
  • NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas: 2 limits, 6 violations of any kind.
  • NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas: 2 limits, 6 violations of any kind.
  • Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Pinephales promelas: 2 limits, 6 violations of any kind.
  • LOEC Lethal Survival Static Renewal 7 Day Chronic Pimephales promelas: 2 limits, 6 violations of any kind.
  • LC50 Pass/Fail Static 24Hr Acute D. Pulex: 1 limit, 5 violations of any kind.
  • LC50 Pass/Fail Static 24Hr Acute Pimephales promelas: 1 limit, 5 violations of any kind.
  • Nickel, total [as Ni]: 2 limits, 4 violations of any kind.
  • Level of pathogen requirements achieved: 2 limits, 4 violations of any kind.
  • Description of pathogen option used: 2 limits, 4 violations of any kind.
  • Vector attraction reduction alternative used: 2 limits, 4 violations of any kind.
  • Compliance w/part 258 sludge requirement: 1 limit, 4 violations of any kind.
  • Whole effluent toxicity - retest #1: 3 limits, 3 violations of any kind.
  • Whole effluent toxicity - retest #2: 3 limits, 3 violations of any kind.
  • Toxicity characteristic leaching procedure: 1 limit, 3 violations of any kind.
  • Pollutant table from 503.13: 1 limit, 3 violations of any kind.
  • Oxygen, dissolved [DO]: 1 limit, 2 violations of any kind.
  • Fecal coliform: 1 limit, 2 violations of any kind.
  • Polychlorinated biphenyls [PCBs]: 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 amount of sludge land applied: 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, 1 violation of any kind.
  • March 25, 2026: Follow-Up (S).
  • March 4, 2026: Evaluation (S).
  • April 26, 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; 1,240 were issued before TX0025470.

Coverages issued nearest TX0025470

BRENHAM WWTP among its neighbors

12 discharge permits are in the Big Sandy Creek-New Year Creek subwatershed (HUC 120701010902); TX0025470 is one. Its county: 38, 1 major; TX0025470 is major permit.

Other permits in the Big Sandy Creek-New Year Creek subwatershed (HUC 120701010902)

Identity

FacilityBRENHAM WWTP
PermitteeBRENHAM, CITY OF
NPDES IDTX0025470
StatusAdministratively continued
TypeIndividual permit
ClassMajor
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedOctober 23, 2019
ExpiresOctober 23, 2024
AddressBrenham, TX 77833
Receiving waterBrazos River Below Navasota River
SubwatershedBig Sandy Creek-New Year Creek (HUC 120701010902)
Program components on filePOTW, Pretreatment
SIC4952 – Sewerage Systems

NPDES TX0025470: effluent limits and exceedances

BRENHAM WWTP (NPDES TX0025470): 55 pollutants on file, 55 limited; 55 with a violation of any kind, 9 with an exceedance.

How exceedances are counted.

PollutantLimitsViolationsExceedancesLatestLargest, as filed
Nitrogen, ammonia total [as N]32014January 31, 2016114% over the limit
BOD, carbonaceous [5 day, 20 C]32311January 31, 2016433% over the limit
Mercury, total [as Hg]6159July 31, 20191,900% over the limit
E. coli275January 31, 2022334% over the limit
Flow, in conduit or thru treatment plant4112October 31, 200476,775% over the limit
pH392October 31, 2015
Solids, total suspended382January 31, 201622% over the limit
Arsenic, dry weight5121July 31, 2003105% over the limit
Zinc, sludge, total, dry weight [as Zn]3111July 31, 200755% over the limit
Chromium, sludge, total, dry weight [as Cr]5150
LOEC Lethal Survival Static Renewal 7 Day Chronic Ceriodaphnia dubia2140
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia2130
NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia2130
NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia2130
Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia2120
LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Ceriodaphnia dubia2120
Selenium, dry weight3100
Copper, dry weight3100
Cadmium, dry weight3100
Lead, sludge, total, dry weight [as Pb]3100
Nickel, sludge, total, dry weight [as Ni]3100
Mercury, sludge, total, dry weight [as Hg]3100
LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Pimephales promelas280
Chlorine, total residual270
Molybdenum, sludge, total, dry weight [as Mo]360
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas260
NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas260
NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas260
Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Pinephales promelas260
LOEC Lethal Survival Static Renewal 7 Day Chronic Pimephales promelas260
LC50 Pass/Fail Static 24Hr Acute D. Pulex150
LC50 Pass/Fail Static 24Hr Acute Pimephales promelas150
Nickel, total [as Ni]240
Level of pathogen requirements achieved240
Description of pathogen option used240
Vector attraction reduction alternative used240
Compliance w/part 258 sludge requirement140
Whole effluent toxicity - retest #1330
Whole effluent toxicity - retest #2330
Toxicity characteristic leaching procedure130
Pollutant table from 503.13130
Oxygen, dissolved [DO]120
Fecal coliform120
Polychlorinated biphenyls [PCBs]120
Ann. amt sludge disposed by other method120
Annual amt of sludge incinerated120
Annual sludge production, total120
Annual amount of sludge land applied120
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 rate110

NPDES TX0025470: inspections, violations and enforcement

NPDES TX0025470: 1 single-event violation

DateWhat EPA recordedAgency
April 26, 2018Permit Violations - Violation Specified in CommentST6

NPDES TX0025470: 2 inspections

DateWhat EPA recordedAgency
March 25, 2026Follow-UpS
March 4, 2026EvaluationS

NPDES TX0025470 (BRENHAM WWTP): no formal enforcement action and informal enforcement action on file.

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Permits near NPDES TX0025470

NPDES TX0025470: 55 pollutant rows, 3 dated events; ICIS-NPDES download, loaded October 14, 2026.