Clean Water Act discharge permit · NPDES TXR1510SF

421 CONROE PARK WEST, Conroe, TX: NPDES TXR1510SF 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

421 CONROE PARK WEST, held by Master-Halco, Inc., holds NPDES permit TXR1510SF, which discharges to Stewarts Creek. EPA’s file records it issued September 23, 2024 and expiring March 4, 2028.

421 CONROE PARK WEST, Conroe, Texas: Coverage under a general permit TXR1510SF, held by Master-Halco, Inc.; Construction stormwater; Effective; issued September 23, 2024, term to March 4, 2028; discharges to STEWARTS CREEK.

Texas holds 23,986 Construction stormwater coverages of this permit type in EPA’s file; 9,261 were issued before TXR1510SF.

Coverages issued nearest TXR1510SF

September 23, 2024: TERRA VISTA, Springtown, TXR1504SF, held by Threefold Services, LLC
September 23, 2024: ESTATES OF BRISTOL VALLEY, Heath, TXR1506SF, held by Estates At Bristol Valley LLC
September 23, 2024: BRISTOL VALLEY PHASE 1, Heath, TXR1507SF, held by Tm Bristol Valley, LLC
September 23, 2024: CAMBRIDGE CROSSING P4 - BP AND PAVING, Celina, TXR1508SF, held by Glenn Thurman, Inc.
September 23, 2024: LEXINGTON PARKS P12 BP AND PAVING, Frisco, TXR1509SF, held by Glenn Thurman, Inc.
September 23, 2024: ESTATES OF BRISTOL VALLEY, Heath, TXR1511SF, held by Chase General Contractor, Inc.
September 23, 2024: BRISTOL VALLEY PHASE 1, Heath, TXR1512SF, held by Chase General Contractor, Inc.
September 23, 2024: BROOKSHIRE AT LEGACY HILLS, Celina, TXR1513SF, held by Starlight Homes Texas L.L.C.
September 23, 2024: TFC - BORDER FARMS, Quemado, TXR1515SF, held by Southwest Valley Constructors Co.
September 23, 2024: MAC HAIK CHEVROLET RECONDITIONING CENTER, Houston, TXR1516SF, held by Guthrie Building, Inc.

421 CONROE PARK WEST among its neighbors

EPA’s permit file holds 120 discharge permits in the Stewarts Creek-West Fork San Jacinto River subwatershed (HUC 120401010401), TXR1510SF among them. Its county holds 1,439, 16 of them major permits; TXR1510SF is a minor permit.

Other permits in the Stewarts Creek-West Fork San Jacinto River subwatershed (HUC 120401010401)

12024 S I-45 WWTP, Conroe: TXR1543TV, minor permit, discharging to STEWARTS CREEK, permit term to March 4, 2028
1601 HAWTHORNE, Conroe: TXR1511XS, minor permit, discharging to STEWARTS CREEK, permit term to March 4, 2028
7810 BLACK OAK DR CONSTRUCTION SITE, Magnolia: TXR1534YN, minor permit, discharging to CREEKWOOD LAKE, permit term to March 4, 2028
BALL METAL BEVERAGE CONTAINER CONROE FACILITY, Conroe: TXR05HD26, minor permit, permit term to August 13, 2031
BAUER EQUIPMENT AMERICA, Conroe: TXR05FL07, minor permit, permit term to August 13, 2026
CALDWELL CORE SERVICES, Conroe: TXRNEBQ82, minor permit, permit term to August 13, 2026
CAMILLO - RIVERS EDGE, Conroe: TXR1522GT, minor permit, discharging to SAN JAC. RIVER, permit term to March 4, 2023
CAMP ARNOLD - NEW WELCOME CENTER, Conroe: TXR1544DB, minor permit, discharging to STEWARTS CREEK, permit term to March 4, 2023
CANTEL 3101 POLLOK, Conroe: TXRNEBM93, minor permit, permit term to August 13, 2026
CANTEL 3150 POLLOK, Conroe: TXRNEBM95, minor permit, permit term to August 13, 2026

What the register holds for 421 CONROE PARK WEST: its NPDES ID, its permit type and status, its dates, its address in Conroe, Texas, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES TXR1510SF.

Identity

Facility as filed	421 CONROE PARK WEST
Permittee as filed	Master-Halco, Inc.
NPDES ID	TXR1510SF
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	September 23, 2024
Expiration date	March 4, 2028
Address	Conroe, TX 77303
Receiving water	STEWARTS CREEK
Subwatershed	Stewarts Creek-West Fork San Jacinto River (HUC 120401010401)

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 TXR1510SF.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES TXR1510SF.

Inspections

EPA’s inspection file holds no inspection for NPDES TXR1510SF.

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 TXR1510SF.

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, TXR1510SF.

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Nearby on the register

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

The 421 CONROE PARK WEST permit is one of 120 storm water construction permits on the register in the Stewarts Creek-West Fork San Jacinto River subwatershed. It is one of 1,031 storm water construction permits in Montgomery County, and 30.2% of those permits have an earlier issue date than this one.