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Clean Water Act discharge permit · NPDES TXR040807

SUNFIELD MUD 1 MS4, Dallas, TX: NPDES TXR040807 discharge permit, effluent exceedances, inspections, penalties

SUNFIELD MUD 1 MS4, held by Sunfield MUD 1, holds NPDES permit TXR040807. EPA’s file records it issued June 26, 2026 and expiring August 14, 2029. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

What the register holds for SUNFIELD MUD 1 MS4: its NPDES ID, its permit type and status, its dates, its address in Dallas, Texas. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES TXR040807.

Identity

Facility as filedSUNFIELD MUD 1 MS4
Permittee as filedSunfield MUD 1
NPDES IDTXR040807
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedJune 26, 2026
Expiration dateAugust 14, 2029
Issuing agencyTCEQ
AddressDallas, TX 75248
SubwatershedHeadwaters White Rock Creek (HUC 120301050103)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES TXR040807.

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 TXR040807.

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 TXR040807 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

What this page shows

SUNFIELD MUD 1 MS4, a Dallas, Texas permit held by Sunfield MUD 1, is one of 30 general permit coverages in Dallas on EPA's NPDES register, and it sits among 78 NPDES permits in the Headwaters White Rock Creek subwatershed. The permit carries no pollutants under a numeric limit and no effluent exceedances on file, while 20.0% of the Dallas general permit coverages have a violation on record.