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Clean Water Act discharge permit · NPDES TXR1563VI

MALLARD BESS, Nevada, TX: NPDES TXR1563VI discharge permit, effluent exceedances, inspections, penalties

MALLARD BESS, held by Whc, LLC, holds NPDES permit TXR1563VI, which discharges to Lake Lavon. EPA’s file records it issued July 25, 2025 and expiring March 4, 2028. 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 MALLARD BESS: its NPDES ID, its permit type and status, its dates, its address in Nevada, Texas, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES TXR1563VI.

Identity

Facility as filedMALLARD BESS
Permittee as filedWhc, LLC
NPDES IDTXR1563VI
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedJuly 25, 2025
Expiration dateMarch 4, 2028
AddressNevada, TX 75173
Receiving waterLAKE LAVON
SubwatershedPrice Creek-Lavon Lake (HUC 120301060307)
SIC4911 – Electric Services

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

EPA’s limits and effluent violation files hold no pollutant row for NPDES TXR1563VI.

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 TXR1563VI.

Inspections

EPA’s inspection file holds no inspection for NPDES TXR1563VI.

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES TXR1563VI.

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

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, TXR1563VI.

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  • One permit holder — $99/month
  • One watershed — $2,990/year
  • One state — $4,990/year
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How we handle your data → Privacy

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 TXR1563VI there.

MALLARD BESS, Nevada, Texas: Coverage under a general permit TXR1563VI, held by Whc, LLC; Construction stormwater; Effective; issued July 25, 2025, term to March 4, 2028; discharges to LAKE LAVON.

Texas holds 23,986 Construction stormwater coverages of this permit type in EPA’s file; 14,804 were issued before TXR1563VI. Whc, LLC holds 4 permits in Texas.

Other permits held by Whc, LLC

Coverages issued nearest TXR1563VI

MALLARD BESS among its neighbors

EPA’s permit file holds 12 discharge permits in the Price Creek-Lavon Lake subwatershed (HUC 120301060307), TXR1563VI among them. Its county holds 1,523, 14 of them major permits; TXR1563VI is a minor permit.

Other permits in the Price Creek-Lavon Lake subwatershed (HUC 120301060307)

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

What this page shows

MALLARD BESS is one of 1,330 storm water construction permits in Collin County on EPA's NPDES register, and it sits among 12 NPDES permits in the Price Creek-Lavon Lake subwatershed, this one included. Of the 1,329 storm water construction permits in Collin County, 55.6% were issued before this one, and only 0.5% of the 1,330 county permits have a violation on file, while this permit has no pollutants under a numeric limit and no effluent exceedances.