Clean Water Act discharge permit · NPDES TXR05FJ35

ENVOY VALLEY INTERNATIONAL AIRPORT, Harlingen, TX: NPDES TXR05FJ35 discharge permit, effluent exceedances, inspections, penalties

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

ENVOY VALLEY INTERNATIONAL AIRPORT, held by Envoy Air Inc., holds NPDES permit TXR05FJ35. EPA’s file records it issued November 18, 2021 and expiring August 13, 2026.

ENVOY VALLEY INTERNATIONAL AIRPORT, Harlingen, Texas: Coverage under a general permit TXR05FJ35, held by Envoy Air Inc.; Industrial stormwater; Administratively continued (past its expiration date and still in force until reissued); issued November 18, 2021, term to August 13, 2026.

Texas holds 8,480 Industrial stormwater coverages of this permit type in EPA’s file; 2,126 were issued before TXR05FJ35. Envoy Air Inc. holds 2 permits in Texas.

Other permits held by Envoy Air Inc.

ENVOY AIR, Grapevine: TXR05GS41, issued May 5, 2025

Coverages issued nearest TXR05FJ35

November 18, 2021: BLUE WING FACILITY, San Antonio, TXR05FJ20, held by Macon Precast Concrete, LLC
November 18, 2021: CONROE PLASTIC MOLDING, Conroe, TXR05FJ26, held by Gardner Denver Petroleum Pumps, LLC
November 18, 2021: SPECIALTY CONSTRUCTION BRANDS, Houston, TXR05FJ29, held by H.B. Fuller Construction Products Inc.
November 18, 2021: SABRE INDUSTRIES CONROE TX FACILITY, Conroe, TXR05FJ31, held by Sabre Industries, Inc.
November 18, 2021: CAYUGA SAND PLANT, Cayuga, TXR05FJ32, held by Cayuga Sand, LLC
November 18, 2021: TRINITY INDUSTRIES PLANT 200, Longview, TXR05FJ37, held by Trinity Tank Car, Inc.
November 18, 2021: TRINITY TANK CAR PLANT 19, Longview, TXR05FJ39, held by Trinity Tank Car, Inc.
November 18, 2021: TRINITY INDUSTRIES 56, Navasota, TXR05FJ40, held by Trinity Industries, Inc.
November 18, 2021: PATRIOT MINING AND MATERIALS PIT 2, Chatfield, TXR05FJ41, held by Patriot Mining and Materials, LLC
November 18, 2021: ELLWOOD TEXAS FORGE NAVASOTA, Navasota, TXR05FJ42, held by Ellwood Texas Forge Navasota, LLC

ENVOY VALLEY INTERNATIONAL AIRPORT among its neighbors

EPA’s permit file holds 81 discharge permits in the Line V Canal-Arroyo Colorado subwatershed (HUC 121102080700), TXR05FJ35 among them.

Other permits in the Line V Canal-Arroyo Colorado subwatershed (HUC 121102080700)

ALAMO CONCRETE PRODUCTS HARLINGEN PIPE PLANT 2600, Harlingen: TXR05FN09, minor permit, permit term to August 13, 2026
ALAMO CONCRETE PRODUCTS PLANT 86, Harlingen: TXG110938, minor permit, discharging to ARROYO COLORADO, permit term to November 7, 2021
ALTAS PALMAS PHASE I, Harlingen: TXR1569WN, minor permit, discharging to LAGUNA MADRE, permit term to March 4, 2028
ARMED FORCES RESERVE TRAINING CENTER, Harlingen: TXRNEBT65, minor permit, permit term to August 13, 2026
ARROYO BESS, Harlingen: TXR1547SH, minor permit, discharging to DRAINAGE DITCHES FLOWING INTO ARROYO COLORADO TIDA, permit term to March 4, 2028
BRAZIL ESTATES, Harlingen: TXR1501SK, minor permit, discharging to LAGUNA MADRE, permit term to March 4, 2028
CAMERON COUNTY DRAINAGE DISTRICT 5 MS4, Harlingen: TXR040243, minor permit, discharging to ARROYO COLORADO TIDAL, permit term to January 23, 2024
CAMPEROS NO 1, San Benito: TXR1534RC, minor permit, permit term to March 4, 2028
CARRIAGE HILLS SUBDIVISION, Abilene: TXR1545NK, minor permit, discharging to KIRBY LAKE, permit term to March 4, 2028
CHICK-FIL-A - SAN BENITO TX 5787, San Benito: TXR1530TY, minor permit, discharging to UNNAMED DRAINAGE DITCH TRIBUTARY D TO S. ARROYO CO, permit term to March 4, 2028

What the register holds for ENVOY VALLEY INTERNATIONAL AIRPORT: its NPDES ID, its permit type and status, its dates, its address in Harlingen, Texas. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES TXR05FJ35.

Identity

Facility as filed	ENVOY VALLEY INTERNATIONAL AIRPORT
Permittee as filed	Envoy Air Inc.
NPDES ID	TXR05FJ35
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Program	Industrial stormwater
Issued	November 18, 2021
Expiration date	August 13, 2026
Address	Harlingen, TX 78550
Subwatershed	Line V Canal-Arroyo Colorado (HUC 121102080700)

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 TXR05FJ35.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES TXR05FJ35.

Inspections

EPA’s inspection file holds no inspection for NPDES TXR05FJ35.

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 TXR05FJ35.

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, TXR05FJ35.

Start the watch

How we handle your data → Privacy

Nearby on the register

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

ENVOY VALLEY INTERNATIONAL AIRPORT is one of 8 storm water industrial permits on EPA's NPDES register in Harlingen. Of all 8 storm water industrial permits in Harlingen, this one included, 37.5% have an earlier issue date than this permit. The permit has 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance.