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Clean Water Act discharge permit · NPDES TX0137995

BIG EDDY WWTP, Tyler, TX: NPDES TX0137995 discharge permit, effluent exceedances, inspections, penalties

BIG EDDY WWTP, held by LIBERTY UTILITIES SILVERLEAF WATER LLC, holds NPDES permit TX0137995, which discharges to Unnamed Trib Of Rose Branch;Lake Palestine. EPA’s file records it issued January 21, 2020 and expiring January 21, 2025. 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 filedBIG EDDY WWTP
Permittee as filedLIBERTY UTILITIES SILVERLEAF WATER LLC
NPDES IDTX0137995
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
IssuedJanuary 21, 2020
Expiration dateJanuary 21, 2025
AddressTyler, TX 75701
Receiving waterUNNAMED TRIB OF ROSE BRANCH;LAKE PALESTINE
SubwatershedSaline Creek-Copperas Creek (HUC 120200010306)
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
Nitrogen, ammonia total [as N]6156May 31, 202564% over the limit
Phosphorus, total [as P]6123December 31, 2025189% over the limit
BOD, carbonaceous [5 day, 20 C]6123July 31, 20217% over the limit
Solids, total suspended6101February 28, 20254% over the limit
Flow, in conduit or thru treatment plant460
pH360
Chlorine, total residual260
E. coli260
Oxygen, dissolved [DO]130
Arsenic, dry weight500
Chromium, sludge, total, dry weight [as Cr]500
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

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 TX0137995.

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 Clean Water Act discharge permit NPDES TX0137995 for BIG EDDY WWTP in Tyler, TX, held by LIBERTY UTILITIES SILVERLEAF WATER LLC, with a status of administratively continued and a minor discharger class. The page lists 4 pollutants under a numeric limit and 4 pollutants with an effluent exceedance, and the watershed code is HUC 120200010306.