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Clean Water Act discharge permit · NPDES TXR05GU46

SISTER GROVE REGIONAL WATER RESOURCE RECOVERY FACILITY, Mckinney, TX: NPDES TXR05GU46 discharge permit, effluent exceedances, inspections, penalties

SISTER GROVE REGIONAL WATER RESOURCE RECOVERY FACILITY, held by North Texas Municipal Water District, holds NPDES permit TXR05GU46. EPA’s file records it issued August 25, 2025 and expiring August 13, 2026. 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.

What the register holds for SISTER GROVE REGIONAL WATER RESOURCE RECOVERY FACILITY: its NPDES ID, its permit type and status, its dates, its address in Mckinney, Texas, and 13 pollutants under a numeric limit. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES TXR05GU46.

Identity

Facility as filedSISTER GROVE REGIONAL WATER RESOURCE RECOVERY FACILITY
Permittee as filedNorth Texas Municipal Water District
NPDES IDTXR05GU46
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramIndustrial stormwater
IssuedAugust 25, 2025
Expiration dateAugust 13, 2026
AddressMckinney, TX 75071
SubwatershedClemons Creek-East Fork Trinity River (HUC 120301060205)
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. C100
Arsenic, total [as As]100
Barium, total [as Ba]100
Cadmium, total [as Cd]100
Chromium, total [as Cr]100
Copper, total [as Cu]100
Lead, total [as Pb]100
Manganese, total [as Mn]100
Nickel, total [as Ni]100
Silver, total [as Ag]100
Zinc, total [as Zn]100
Selenium, total [as Se]100
Mercury, total [as Hg]100

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES TXR05GU46.

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 TXR05GU46.

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 TXR05GU46 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 TXR05GU46 for the SISTER GROVE REGIONAL WATER RESOURCE RECOVERY FACILITY in Mckinney, TX, held by North Texas Municipal Water District, with an administratively continued status and a Minor discharger class of 13. The register lists 0 pollutants with an effluent exceedance and 13 pollutants under a numeric limit.