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Clean Water Act discharge permit · NPDES TX0128686

DALLAS COUNTY PARK CITIES MUD WTP, Dallas, TX: NPDES TX0128686 discharge permit, effluent exceedances, inspections, penalties

DALLAS COUNTY PARK CITIES MUD WTP, held by DALLAS COUNTY PARK CITIES MUD, holds NPDES permit TX0128686, which discharges to Old Chann Of Elm Fork Trinity Riv; Upper Trinity R. EPA’s file records it issued November 6, 2018 and expiring November 6, 2023. 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 filedDALLAS COUNTY PARK CITIES MUD WTP
Permittee as filedDALLAS COUNTY PARK CITIES MUD
NPDES IDTX0128686
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
IssuedNovember 6, 2018
Expiration dateNovember 6, 2023
AddressDallas, TX 75235
Receiving waterOLD CHANN OF ELM FORK TRINITY RIV; UPPER TRINITY R
SubwatershedHeadwaters Turtle Creek (HUC 120301050101)
SIC4941 – Water Supply

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
Solids, total suspended3142February 28, 2007142% over the limit
pH380
Flow, in conduit or thru treatment plant280
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

DateWhat EPA recordedAgency
July 10, 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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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 TX0128686, held by DALLAS COUNTY PARK CITIES MUD for its WTP facility in Dallas, TX, and lists the permit as administratively continued with a Minor discharger class. The page shows 1 pollutant under a numeric limit and 1 pollutant with an effluent exceedance, with the permit's issue and expiration dates as recorded in EPA's file.