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NPDES TX0058114 · Clean Water Act

SUGAR LAND NORTH WWTP, Sugar Land, TX: NPDES TX0058114 discharge permit, effluent exceedances, inspections, penalties

SUGAR LAND NORTH WWTP, Sugar Land, Texas: Individual permit TX0058114, held by SUGAR LAND, CITY OF; Publicly owned treatment works; Administratively continued; issued October 4, 2019, term to October 4, 2024; discharges to Brazos River Below Navasota River.

40 of the 59 pollutants listed for NPDES TX0058114 have no violation or effluent exceedance.

  • Nitrogen, ammonia total [as N]: 3 limits, 25 violations of any kind, 16 effluent exceedances, latest September 30, 2025, largest 251% over the limit.
  • Solids, total suspended: 3 limits, 27 violations of any kind, 15 effluent exceedances, latest June 30, 2023, largest 163% over the limit.
  • E. coli: 2 limits, 15 violations of any kind, 13 effluent exceedances, latest August 31, 2025, largest 99,999% over the limit.
  • Flow, in conduit or thru treatment plant: 4 limits, 21 violations of any kind, 9 effluent exceedances, latest July 31, 2021, largest 43% over the limit.
  • BOD, carbonaceous [5 day, 20 C]: 3 limits, 16 violations of any kind, 7 effluent exceedances, latest February 28, 2010, largest 200% over the limit.
  • Chlorine, total residual: 2 limits, 12 violations of any kind, 5 effluent exceedances, latest December 31, 2018, largest 59% over the limit.
  • Oxygen, dissolved [DO]: 1 limit, 5 violations of any kind, 2 effluent exceedances, latest December 31, 2018, largest 90% over the limit.
  • pH: 3 limits, 6 violations of any kind.
  • LOEC Lethal Survival Static Renewal 7 Day Chronic Ceriodaphnia dubia: 4 limits, 2 violations of any kind.
  • LOEC Lethal Survival Static Renewal 7 Day Chronic Pimephales promelas: 4 limits, 2 violations of any kind.
  • LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Ceriodaphnia dubia: 4 limits, 2 violations of any kind.
  • LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Pimephales promelas: 4 limits, 2 violations of any kind.
  • LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas: 0 limits, 2 violations of any kind.
  • NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas: 0 limits, 2 violations of any kind.
  • LOAEC Lethal Survival Static Renewal 48Hr Acute Pimephales promelas: 0 limits, 2 violations of any kind.
  • LC50 Pass/Fail Static 24Hr Acute D. Pulex: 1 limit, 1 violation of any kind.
  • LC50 Pass/Fail Static 24Hr Acute Pimephales promelas: 1 limit, 1 violation of any kind.
  • Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex: 0 limits, 1 violation of any kind.
  • NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex: 0 limits, 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.
  • Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia: 4 limits.
  • Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas: 4 limits.
  • NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia: 4 limits.
  • NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas: 4 limits.
  • NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia: 4 limits.
  • NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas: 4 limits.
  • Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia: 4 limits.
  • Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Pinephales promelas: 4 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.
  • Vector attraction reduction alternative used: 2 limits.
  • Fecal coliform: 1 limit.
  • Polychlorinated biphenyls [PCBs]: 1 limit.
  • Toxicity characteristic leaching procedure: 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.
  • May 14, 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; 1,211 were issued before TX0058114. SUGAR LAND, CITY OF holds 3 permits in Texas.

Other permits held by SUGAR LAND, CITY OF

Coverages issued nearest TX0058114

SUGAR LAND NORTH WWTP among its neighbors

38 discharge permits are in the Steep Bank Creek-Brazos River subwatershed (HUC 120701040403); TX0058114 is one. Its county: 1,100, 41 major; TX0058114 is major permit.

Other permits in the Steep Bank Creek-Brazos River subwatershed (HUC 120701040403)

Identity

FacilitySUGAR LAND NORTH WWTP
PermitteeSUGAR LAND, CITY OF
NPDES IDTX0058114
StatusAdministratively continued
TypeIndividual permit
ClassMajor
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedOctober 4, 2019
ExpiresOctober 4, 2024
AddressSugar Land, TX 77479
Receiving waterBrazos River Below Navasota River
Receiving water impaired303(D) Listed
SubwatershedSteep Bank Creek-Brazos River (HUC 120701040403)
Program components on filePOTW, Pretreatment
SIC4952 – Sewerage Systems

NPDES TX0058114: effluent limits and exceedances

SUGAR LAND NORTH WWTP (NPDES TX0058114): 59 pollutants on file, 54 limited; 19 with a violation of any kind, 7 with an exceedance.

How exceedances are counted.

PollutantLimitsViolationsExceedancesLatestLargest, as filed
Nitrogen, ammonia total [as N]32516September 30, 2025251% over the limit
Solids, total suspended32715June 30, 2023163% over the limit
E. coli21513August 31, 202599,999% over the limit
Flow, in conduit or thru treatment plant4219July 31, 202143% over the limit
BOD, carbonaceous [5 day, 20 C]3167February 28, 2010200% over the limit
Chlorine, total residual2125December 31, 201859% over the limit
Oxygen, dissolved [DO]152December 31, 201890% over the limit
pH360
LOEC Lethal Survival Static Renewal 7 Day Chronic Ceriodaphnia dubia420
LOEC Lethal Survival Static Renewal 7 Day Chronic Pimephales promelas420
LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Ceriodaphnia dubia420
LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Pimephales promelas420
LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas020
NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas020
LOAEC Lethal Survival Static Renewal 48Hr Acute Pimephales promelas020
LC50 Pass/Fail Static 24Hr Acute D. Pulex110
LC50 Pass/Fail Static 24Hr Acute Pimephales promelas110
Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex010
NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex010
Whole effluent toxicity - retest #1700
Whole effluent toxicity - retest #2700
Arsenic, dry weight500
Chromium, sludge, total, dry weight [as Cr]500
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia400
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas400
NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia400
NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas400
NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia400
NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas400
Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia400
Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Pinephales promelas400
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
Vector attraction reduction alternative used200
Fecal coliform100
Polychlorinated biphenyls [PCBs]100
Toxicity characteristic leaching procedure100
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 TX0058114: inspections, violations and enforcement

NPDES TX0058114: 1 single-event violation

DateWhat EPA recordedAgency
May 14, 2025Permit Violations - Violation Specified in CommentST6

NPDES TX0058114 (SUGAR LAND NORTH WWTP): no inspection, formal enforcement action and informal enforcement action on file.

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Permits near NPDES TX0058114

NPDES TX0058114: 59 pollutant rows, 1 dated events; ICIS-NPDES download, loaded October 14, 2026.