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Clean Water Act discharge permit · NPDES TX0024562

SINTON MAIN WWTF, Sinton, TX: NPDES TX0024562 discharge permit, effluent exceedances, inspections, penalties

SINTON MAIN WWTF, held by SINTON, CITY OF, holds NPDES permit TX0024562, which discharges to Chiltipin Creek, Aransas River Tidal. EPA’s file records it issued October 7, 2019 and expiring October 7, 2024. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filedSINTON MAIN WWTF
Permittee as filedSINTON, CITY OF
NPDES IDTX0024562
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 7, 2019
Expiration dateOctober 7, 2024
AddressSinton, TX 78387
Receiving waterCHILTIPIN CREEK, ARANSAS RIVER TIDAL
SubwatershedTown of Sinton-Chiltipin Creek (HUC 121004070304)
SIC4952 – Sewerage Systems

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same 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
Enterococci2104100February 28, 202636,530% over the limit
Oxygen, dissolved [DO]13429October 31, 201932% over the limit
BOD, carbonaceous [5 day, 20 C]33627June 30, 2026324% over the limit
Nitrogen, ammonia total [as N]33826February 28, 2023261% over the limit
Flow, in conduit or thru treatment plant2199October 31, 201540% over the limit
Solids, total suspended3146July 31, 202122% over the limit
pH3182August 31, 2009
Arsenic, dry weight5100
Chromium, sludge, total, dry weight [as Cr]5100
Selenium, dry weight360
Copper, dry weight360
Cadmium, dry weight360
Molybdenum, sludge, total, dry weight [as Mo]360
Zinc, sludge, total, dry weight [as Zn]360
Lead, sludge, total, dry weight [as Pb]360
Nickel, sludge, total, dry weight [as Ni]360
Mercury, sludge, total, dry weight [as Hg]360
Nickel, total [as Ni]240
Level of pathogen requirements achieved240
Description of pathogen option used240
Vector attraction reduction alternative used240
Polychlorinated biphenyls [PCBs]140
Compliance w/part 258 sludge requirement130
Fecal coliform120
Toxicity characteristic leaching procedure120
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
Pollutant table from 503.13120
Chlorine, total residual200
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
June 20, 2023Permit Violations - Violation Specified in CommentST6
May 10, 2022Permit Violations - Violation Specified in CommentST6
July 9, 2021Permit Violations - Violation Specified in CommentST6

Inspections

EPA’s inspection file holds no inspection for NPDES TX0024562.

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES TX0024562.

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

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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 TX0024562 there.

Nearby on the register

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

What this page shows

This public-records page covers NPDES permit TX0024562 for the SINTON MAIN WWTF in Sinton, TX, held by SINTON, CITY OF, which discharges to CHILTIPIN CREEK, ARANSAS RIVER TIDAL within the Town of Sinton-Chiltipin Creek subwatershed (HUC 121004070304). The page lists a permit status of Administratively continued, a Minor discharger class, 7 pollutants under a numeric limit, and 38 pollutants with an effluent exceedance.