Val Verde County Check Station
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Val Verde County CWD Zone Location Description
Voluntary Sampling – That portion of the state lying within a line beginning in Val Verde County at the confluence of Sycamore Creek and the Rio Grande River (29.242341°, -100.793906°); thence northeast along Sycamore Creek to U.S. 277; thence northwest on U.S. 277 to Loop 79; thence north along Loop 79 to the Union Pacific Railroad; thence east along the Union Pacific Railroad to Liberty Drive (north entrance to Laughlin Airforce Base); thence north along Liberty Drive to U.S. 90; thence west along U.S. 90 to Loop 79; thence north along Loop 79 to the American Electric Power (AEP) Ft. Lancaster-to-Hamilton Road 138kV transmission line (29.415542°, -100.847993°); thence north along the AEP Ft. Lancaster-to-Hamilton Road 138kV transmission line to a point where the AEP Ft. Lancaster-to-Hamilton Road 138kV transmission line turns northwest (29.528552°, -100.871618°); thence northwest along the AEP Ft. Lancaster-to-Hamilton Road 138kV transmission line to the AEP Ft. Lancaster-to-Hamilton Road maintenance road (29.569259°, -100.984758°); thence along the AEP Ft. Lancaster-to-Hamilton Road maintenance road to Spur 406; thence northwest along Spur 406 to U.S. 90; thence south along U.S. 90 to Box Canyon Drive; thence west along Box Canyon Drive to Bluebonnet Drive; thence southwest along Bluebonnet Drive to Lake Drive; thence south along Lake Drive to Lake Amistad (29.513298°, -101.172454°), thence southeast along the International Boundary to the International Boundary at the Lake Amistad dam; thence southeast along the Rio Grande River to the confluence of Sycamore Creek (29.242341°, -100.793906°).
Del Rio Check Station
Check station; 24-hour drop box; or sample collection by appointment
RV park located at old Fisherman's Headquarters
4957 US-90
Del Rio, Texas 78840
29.43187, -100.90898
(830) 353-2539
Dates & Hours
Check station:
Sept 28, 2024 – Nov 1, 2024:
Appointment only
Nov 2, 2024 - Jan 19, 2025:
Fri - Mon 9 am - 4 pm
appointment only Tue - Thu
Jan 20, 2025 - Feb 28, 2025:
Appointment only
Nov 28, Dec 24, 25, 31, Jan 1: Closed
Appointments: Call (830) 353-2539