Clean Water Act discharge permit · NPDES TXR1525UP

IH-35 SPLIT TO MILAM PHASE 2, Denton, TX: NPDES TXR1525UP discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
0Pollutants under a numeric limit
0Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

IH-35 SPLIT TO MILAM PHASE 2, held by MOUNTAIN CASCADE OF TEXAS, LLC, holds NPDES permit TXR1525UP, which discharges to Milam Creek. EPA’s file records it issued May 15, 2025 and expiring March 4, 2028.

IH-35 SPLIT TO MILAM PHASE 2, Denton, Texas: Coverage under a general permit TXR1525UP, held by MOUNTAIN CASCADE OF TEXAS, LLC; Construction stormwater; Effective; issued May 15, 2025, term to March 4, 2028; discharges to MILAM CREEK.

Texas holds 23,986 Construction stormwater coverages of this permit type in EPA’s file; 13,373 were issued before TXR1525UP. MOUNTAIN CASCADE OF TEXAS, LLC holds 17 permits in Texas.

Other permits held by MOUNTAIN CASCADE OF TEXAS, LLC

SILVER CREEK FORCE MAIN GRAVITY SEWER AND WATER LINE, Fort Worth: TXR1503ZJ, issued September 4, 2026
EAST SABINE RELIEF SEWER AND 12-INCH FORCE MAIN, Royse City: TXR1510SJ, issued October 7, 2024
STEWART CREEK NORTH INTERCEPTOR PHASE 4B, Frisco: TXR1512PY, issued February 15, 2024
FM 1515 UTILITIES RELOCATION, Denton: TXR1519WF, issued October 22, 2025
BEARPEN CREEK LIFT STATION VERTICAL, Royse City: TXR1524XW, issued April 8, 2026
US 377 AT FM 1171 WATER LINE LOOP RELOCATION, Flower Mound: TXR1525QR, issued April 25, 2024
NORTHEAST PIPELINE PHASE 2, Celina: TXR1530UY, issued June 17, 2025
STEWART CREEK NORTH INTERCEPTOR PHASE 4A, Frisco: TXR1535MH, issued March 30, 2023
BURLESON WEST SIDE LIFT STATION FORCE MAIN AND GRAVITY SEWE, Burleson: TXR1551RJ, issued July 8, 2024
EAST OFFSITE SANITARY SEWER TO SERVE TRADITION, Fort Worth: TXR1557PA, issued November 14, 2023

Coverages issued nearest TXR1525UP

May 14, 2025: HOMESTEAD PH 2, Rockwall, TXR1597UO, held by Chris Harp Construction Limited Liability Company
May 14, 2025: HOMESTEAD PH 7A & 7B, Sunnyvale, TXR1598UO, held by Chris Harp Construction Limited Liability Company
May 14, 2025: GALAXY HELIOS, Afton, TXR1599UO, held by Galaxy Helios I LLC
May 15, 2025: NEW OFFICE WAREHOUSE DEVELOPMENT, La Porte, TXR1522UP, held by Oakland Land And Development, LLC
May 15, 2025: HOMESTEAD PH 2, Rockwall, TXR1523UP, held by Sh Dev Klutts Rockwall LLC
May 15, 2025: BOERNE STAGE ROAD UNIT 2, San Antonio, TXR1526UP, held by City Public Service Energy
May 15, 2025: SEDONA, Lubbock, TXR1527UP, held by Apex Construction, LLC
May 15, 2025: REEL ROAD, Longview, TXR1528UP, held by East Texas Bridge, Inc.
May 15, 2025: ESPADA - UNIT 18 & 20, San Antonio, TXR1529UP, held by Indigo Construction, LLC
May 15, 2025: SUNDANCE COVE, Crosby, TXR1530UP, held by Dfh Coventry, LLC

IH-35 SPLIT TO MILAM PHASE 2 among its neighbors

EPA’s permit file holds 27 discharge permits in the Milam Creek-Clear Creek subwatershed (HUC 120301030605), TXR1525UP among them. Its county holds 1,238, 16 of them major permits; TXR1525UP is a minor permit.

Other permits in the Milam Creek-Clear Creek subwatershed (HUC 120301030605)

AGAVE RANCH OFF-SITE INSTALLATION, Denton: TXR1505US, minor permit, discharging to CLEAR CREEK, permit term to March 4, 2028
AGAVE RANCH OFF-SITE INSTALLATION, Denton: TXR1571WL, minor permit, discharging to CLEAR CREEK, permit term to March 4, 2028
AGAVE RANCH PH 1, Denton: TXR1558XT, minor permit, discharging to UNNAMED TRIBUTARY OF CLEAR CREEK, permit term to March 4, 2028
AGAVE RANCH PHASE 1, Denton: TXR1526SJ, minor permit, discharging to TRIBUTARY OF CLEAR CREEK, permit term to March 4, 2028
AGAVE RANCH PHASE 1 & 2, Denton: TXR1570TO, minor permit, discharging to TRIBUTARY OF CLEAR CREEK, permit term to March 4, 2028
AGAVE RANCH PHASE 1 & 2, Denton: TXR1591TG, minor permit, discharging to TRIBUTARY OF CLEAR CREEK, permit term to March 4, 2028
AGAVE RANCH PHASE 2, Denton: TXR1527SJ, minor permit, discharging to TRIBUTARY OF CLEAR CREEK, permit term to March 4, 2028
CLEAR CREEK WATER RECLAMATION PLANT, Denton: TX0125628, minor permit, discharging to POND 1, POND 2, CLEAR CREEK, LEWISVILLE LAKE, permit term to April 5, 2027
DENTON PLANT, Denton: TXG110537, minor permit, discharging to DRAINAGE TO MOORES BRANCH, permit term to November 7, 2011
DENTON PLANT, Denton: TXG111833, minor permit, discharging to MILAM CREEK, permit term to November 7, 2016

What the register holds for IH-35 SPLIT TO MILAM PHASE 2: its NPDES ID, its permit type and status, its dates, its address in Denton, Texas, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES TXR1525UP.

Identity

Facility as filed	IH-35 SPLIT TO MILAM PHASE 2
Permittee as filed	MOUNTAIN CASCADE OF TEXAS, LLC
NPDES ID	TXR1525UP
Permit status	Effective
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Program	Construction stormwater
Issued	May 15, 2025
Expiration date	March 4, 2028
Address	Denton, TX 76207
Receiving water	MILAM CREEK
Subwatershed	Milam Creek-Clear Creek (HUC 120301030605)

Effluent limits and exceedances

0Pollutants on file
0Under a numeric limit
0With a violation of any kind
0With an effluent exceedance

EPA’s limits and effluent violation files hold no pollutant row for NPDES TXR1525UP.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES TXR1525UP.

Inspections

EPA’s inspection file holds no inspection for NPDES TXR1525UP.

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 TXR1525UP.

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, TXR1525UP.

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Nearby on the register

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

Among the 1,007 storm water construction permits in Denton County, IH-35 SPLIT TO MILAM PHASE 2 is one of 1,007 coverages, and 0.5% of those permits carry a violation on file, a figure that places this permit's record among its peers. About 46.3% of the county's storm water construction permits were issued earlier than this one, which was issued May 15, 2025 and holds effective status until March 4, 2028. The permit sits in the Milam Creek-Clear Creek subwatershed, one of 27 NPDES permits there, and it records no pollutants under a numeric limit and no effluent exceedances, both counted as 0.