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Clean Water Act discharge permit · NPDES TX0024856

CITY OF THROCKMORTON WWTP, Throckmorton, TX: NPDES TX0024856 discharge permit, effluent exceedances, inspections, penalties

CITY OF THROCKMORTON WWTP, held by THROCKMORTON, CITY OF, holds NPDES permit TX0024856, which discharges to Elm Crk;Brazos Rvr Above Possum Kingdom Lake. EPA’s file records it issued October 29, 2019 and expiring October 29, 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 filedCITY OF THROCKMORTON WWTP
Permittee as filedTHROCKMORTON, CITY OF
NPDES IDTX0024856
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMinor discharger
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedOctober 29, 2019
Expiration dateOctober 29, 2024
AddressThrockmorton, TX 76483
Receiving waterELM CRK;BRAZOS RVR ABOVE POSSUM KINGDOM LAKE

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
E. coli212816September 30, 2016586% over the limit
Flow, in conduit or thru treatment plant212711February 28, 2015100% over the limit
Oxygen, dissolved [DO]1635April 30, 201223% over the limit
BOD, 5-day, 20 deg. C31142April 30, 201370% over the limit
Solids, total suspended21451August 31, 201018% over the limit
pH31281July 31, 2011
Nitrogen, ammonia total [as N]0720
BOD, carbonaceous [5 day, 20 C]0720
Arsenic, dry weight5500
Chromium, sludge, total, dry weight [as Cr]5500
Selenium, dry weight3300
Copper, dry weight3300
Cadmium, dry weight3300
Molybdenum, sludge, total, dry weight [as Mo]3300
Zinc, sludge, total, dry weight [as Zn]3300
Lead, sludge, total, dry weight [as Pb]3300
Nickel, sludge, total, dry weight [as Ni]3300
Mercury, sludge, total, dry weight [as Hg]3300
Nickel, total [as Ni]2200
Level of pathogen requirements achieved2200
Description of pathogen option used2200
Vector attraction reduction alternative used2200
Compliance w/part 258 sludge requirement1110
Fecal coliform1100
Polychlorinated biphenyls [PCBs]1100
Toxicity characteristic leaching procedure1100
Ann. amt sludge disposed by other method1100
Annual amt of sludge incinerated1100
Annual amount of sludge land applied1100
Annual amt. sludge disposed surface unit1100
Annual amt sludge disposed in landfill1100
Annual amt sludge transported interstate1100
Unit w/liner/leachate collection system1100
Boundary areas1100
Salmonella1100
Pollutant table from 503.131100
Annual sludge production, total190
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
July 16, 2018Permit 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

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How we handle your data → Privacy

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 TX0024856 there.

Nearby on the register

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