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Clean Water Act discharge permit · NPDES TX0124397

TAWAKONI WWTP 1, Quinlan, TX: NPDES TX0124397 discharge permit, effluent exceedances, inspections, penalties

TAWAKONI WWTP 1, held by TAWAKONI WASTE LLC, holds NPDES permit TX0124397, which discharges to Lake Tawakoni. EPA’s file records it issued February 6, 2006 and expiring February 1, 2011. 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 filedTAWAKONI WWTP 1
Permittee as filedTAWAKONI WASTE LLC
NPDES IDTX0124397
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedFebruary 6, 2006
Expiration dateFebruary 1, 2011
AddressQuinlan, TX 75474
Receiving waterLAKE TAWAKONI
SubwatershedDuck Creek-Sabine River (HUC 120100010405)
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
BOD, 5-day, 20 deg. C32920July 31, 2014182% over the limit
Chlorine, total residual21913May 31, 200576% over the limit
Solids, total suspended32011October 31, 2013128% over the limit
Oxygen, dissolved [DO]174February 28, 200525% over the limit
pH3102May 31, 2004
Nitrogen, ammonia total [as N]3120
Arsenic, dry weight5100
Chromium, sludge, total, dry weight [as Cr]5100
Flow, in conduit or thru treatment plant280
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
E. coli040
Polychlorinated biphenyls [PCBs]130
Toxicity characteristic leaching procedure130
Fecal coliform120
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
Compliance w/part 258 sludge requirement120
Boundary areas120
Salmonella120
Pollutant table from 503.13120
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

EPA’s single-event violation file, as loaded, holds no violation for NPDES TX0124397.

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.

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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 TX0124397 for TAWAKONI WWTP 1 in Quinlan, TX, held by TAWAKONI WASTE LLC and discharging to Lake Tawakoni, with the permit listed as administratively continued and past its February 1, 2011 expiration date. The facts list 38 pollutants on file, 37 under a numeric limit, and 5 with an effluent exceedance. The figures reflect EPA's permit file as loaded on October 14, 2026.