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Clean Water Act discharge permit · NPDES TX0022802

CENTRAL REGIONAL WWTP, Dallas, TX: NPDES TX0022802 discharge permit, effluent exceedances, inspections, penalties

CENTRAL REGIONAL WWTP, held by TRINITY RIVER AUTHORITY OF TEX, holds NPDES permit TX0022802, which discharges to Lower West Fork Trinity River. EPA’s file records it issued February 4, 2008 and expiring September 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 filedCENTRAL REGIONAL WWTP
Permittee as filedTRINITY RIVER AUTHORITY OF TEX
NPDES IDTX0022802
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
IssuedFebruary 4, 2008
Expiration dateSeptember 1, 2011
AddressDallas, TX 75212
Receiving waterLOWER WEST FORK TRINITY RIVER
SubwatershedDelaware Creek-West Fork Trinity River (HUC 120301020706)
Program components on filePOTW, Pretreatment
SIC4952 – Sewerage Systems
Other EPA IDs (FRS)RCRA handler TXD980744700; ICIS-AIR source TX0000004811300198

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.

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
Flow, in conduit or thru treatment plant43612September 30, 20196% over the limit
Nitrogen, ammonia total [as N]6311October 31, 201827% over the limit
Solids, total suspended3311August 31, 202240% over the limit
E. coli011March 31, 2025118% over the limit
BOD, carbonaceous [5 day, 20 C]3300
pH3200
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia230
NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia230
NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia230
Chlorine, total residual220
Salmonella120
Oxygen, dissolved [DO]110
Arsenic, dry weight500
Whole effluent toxicity - retest #1500
Whole effluent toxicity - retest #2500
Chromium, sludge, total, dry weight [as Cr]500
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas400
NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas400
NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas400
Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Pinephales promelas400
LOEC Lethal Survival Static Renewal 7 Day Chronic Pimephales promelas400
LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Pimephales promelas400
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
Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia200
LOEC Lethal Survival Static Renewal 7 Day Chronic Ceriodaphnia dubia200
LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Ceriodaphnia dubia200
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
Pollutant table from 503.13100
LC50 Pass/Fail Static 24Hr Acute D. Pulex100
LC50 Pass/Fail Static 24Hr Acute Pimephales promelas100

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
May 28, 2026Permit Violations - Violation Specified in CommentST6
August 19, 2024Permit Violations - Violation Specified in CommentST6
May 14, 2024Permit Violations - Violation Specified in CommentST6
February 12, 2024Permit Violations - Violation Specified in CommentST6
December 19, 2023Permit Violations - Violation Specified in CommentST6
June 23, 2020Permit 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.

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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 TX0022802 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 TX0022802 for CENTRAL REGIONAL WWTP in Dallas, TX, held by TRINITY RIVER AUTHORITY OF TEX, with the permit status listed as administratively continued. The listed figures are 53 for the discharger class, 4 pollutants under a numeric limit, and 4 pollutants with an effluent exceedance, and the permit was issued February 4, 2008, with an expiration date of September 1, 2011, discharging to LOWER WEST FORK TRINITY RIVER in the Delaware Creek-West Fork Trinity River subwatershed (HUC 120301020706).