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Clean Water Act discharge permit · NPDES TXR1581YN

WEST GROVE BUILDINGS P & Q, Mckinney, TX: NPDES TXR1581YN discharge permit, effluent exceedances, inspections, penalties

WEST GROVE BUILDINGS P & Q, held by Mycon General Contractors, Inc., holds NPDES permit TXR1581YN, which discharges to Unnamed Tributary To Wilson Creek. EPA’s file records it issued June 11, 2026 and expiring March 4, 2028. 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 WEST GROVE BUILDINGS P & Q: its NPDES ID, its permit type and status, its dates, its address in Mckinney, Texas, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES TXR1581YN.

Identity

Facility as filedWEST GROVE BUILDINGS P & Q
Permittee as filedMycon General Contractors, Inc.
NPDES IDTXR1581YN
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedJune 11, 2026
Expiration dateMarch 4, 2028
AddressMckinney, TX 75071
Receiving waterUNNAMED TRIBUTARY TO WILSON CREEK
SubwatershedUpper Wilson Creek (HUC 120301060206)

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 TXR1581YN.

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 TXR1581YN.

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

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, TXR1581YN.

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How often?
  • One permit holder — $99/month
  • One watershed — $2,990/year
  • One state — $4,990/year
  • The whole register — $18,000/year

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 TXR1581YN there.

Nearby on the register

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

What this page shows

The WEST GROVE BUILDINGS P & Q storm water construction permit, held by Mycon General Contractors, Inc. in McKinney, is one of 1,330 such permits in Collin County on EPA's NPDES register. It sits among 153 NPDES permits in the Upper Wilson Creek subwatershed, and it has no pollutants under a numeric limit and no effluent exceedances on file.