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Clean Water Act discharge permit · NPDES TX0024953

LEON PLANT WWTP, Gatesville, TX: NPDES TX0024953 discharge permit, effluent exceedances, inspections, penalties

LEON PLANT WWTP, held by GATESVILLE, CITY OF, holds NPDES permit TX0024953, which discharges to Leon River Below Proctor Lake. EPA’s file records it issued April 22, 2019 and expiring April 22, 2024. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filedLEON PLANT WWTP
Permittee as filedGATESVILLE, CITY OF
NPDES IDTX0024953
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMajor discharger
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedApril 22, 2019
Expiration dateApril 22, 2024
AddressGatesville, TX 76528
Receiving waterLEON RIVER BELOW PROCTOR LAKE
SubwatershedPine Creek (HUC 111302010303)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.

Pollutant or measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Nitrogen, ammonia total [as N]3117March 31, 2025127% over the limit
Flow, in conduit or thru treatment plant454May 31, 202417% over the limit
Solids, total suspended362January 31, 2008178% over the limit
E. coli262April 30, 2012514% over the limit
Copper, dry weight3131July 31, 201376% over the limit
Zinc, sludge, total, dry weight [as Zn]3131July 31, 201324% over the limit
BOD, carbonaceous [5 day, 20 C]371May 31, 20056% over the limit
Chromium, sludge, total, dry weight [as Cr]5270
Arsenic, dry weight5240
Selenium, dry weight3150
Lead, sludge, total, dry weight [as Pb]3150
Nickel, sludge, total, dry weight [as Ni]3150
Mercury, sludge, total, dry weight [as Hg]3150
LOEC Lethal Survival Static Renewal 7 Day Chronic Pimephales promelas4120
Cadmium, dry weight3120
Molybdenum, sludge, total, dry weight [as Mo]3120
Nickel, total [as Ni]2120
Level of pathogen requirements achieved2110
Description of pathogen option used2110
Vector attraction reduction alternative used2110
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas4100
NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas4100
NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas4100
Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Pinephales promelas4100
LOEC Lethal Survival Static Renewal 7 Day Chronic Ceriodaphnia dubia4100
LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Pimephales promelas4100
LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Ceriodaphnia dubia480
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia460
NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia460
NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia460
Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia460
pH360
Fecal coliform160
Polychlorinated biphenyls [PCBs]160
Toxicity characteristic leaching procedure160
Ann. amt sludge disposed by other method160
Annual amt of sludge incinerated160
Annual sludge production, total160
Annual amount of sludge land applied160
Annual amt. sludge disposed surface unit160
Annual amt sludge disposed in landfill160
Annual amt sludge transported interstate160
Unit w/liner/leachate collection system160
Boundary areas160
Salmonella160
Compliance w/part 258 sludge requirement150
Pollutant table from 503.13150
LC50 Pass/Fail Static 24Hr Acute D. Pulex150
LC50 Pass/Fail Static 24Hr Acute Pimephales promelas150
Whole effluent toxicity - retest #2740
Whole effluent toxicity - retest #1720
Parathion020
Chlorine, total residual200
Oxygen, dissolved [DO]100
Annual whole sludge application rate100

Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.

Inspections, violations and enforcement

DateWhat EPA recordedAgency
December 12, 2024Permit Violations - Violation Specified in CommentST6
January 25, 2023Permit Violations - Violation Specified in CommentST6
January 20, 2021Permit Violations - Violation Specified in CommentST6
March 28, 2019Permit Violations - Violation Specified in CommentST6
May 4, 2017Permit Violations - Violation Specified in CommentST6

Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.

Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.

Watch this permit

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, TX0024953.

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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID TX0024953 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.