Upper Pecan Bayou WS SCS Site 22 Dam

LITTLE PECAN BAYOU· Callahan, Texas· Built 1967· Earth· 36 ft tall
Low Hazard Flood Risk Reduction Irrigation Local Government

Key Takeaway

Upper Pecan Bayou WS SCS Site 22 Dam is classified as low hazard in Texas. It was completed in 1967 and is 59 years old. Its primary use is flood risk reduction.

Physical Details

Dam Height 36 ft (taller than 79.5% in TX)
Dam Length1,375 ft
Dam TypeEarth
Max Storage1.1K acre-ft
Normal Storage124 acre-ft
Surface Area64 acres
Drainage Area3 sq mi
Max Discharge4,960 cfs
Year Completed1967 (59 years old)
NID IDTX02918

Safety Information

Low Hazard

No probable loss of human life and low economic/environmental losses expected.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: No
Last Inspection: June 18, 1974
State Regulated: Yes
Regulatory Agency: TCEQ

Ownership

CALLAHAN COUNTY;CALLAHAN DIVIDE SWCD

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Upper Pecan Bayou WS SCS Site 22 Dam?

Upper Pecan Bayou WS SCS Site 22 Dam is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Upper Pecan Bayou WS SCS Site 22 Dam?

Upper Pecan Bayou WS SCS Site 22 Dam is owned by CALLAHAN COUNTY;CALLAHAN DIVIDE SWCD (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Upper Pecan Bayou WS SCS Site 22 Dam built?

Upper Pecan Bayou WS SCS Site 22 Dam was completed in 1967, making it 59 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.

What is the primary purpose of Upper Pecan Bayou WS SCS Site 22 Dam?

Upper Pecan Bayou WS SCS Site 22 Dam serves the following purposes: Flood Risk Reduction, Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Upper Pecan Bayou WS SCS Site 22 Dam?

Upper Pecan Bayou WS SCS Site 22 Dam has a dam height of 36 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.

When was Upper Pecan Bayou WS SCS Site 22 Dam last inspected?

Upper Pecan Bayou WS SCS Site 22 Dam was last inspected on June 18, 1974. Inspection dates indicate when a formal review occurred, not the results of that inspection.

Data from the National Inventory of Dams (NID) maintained by the US Army Corps of Engineers. Dam conditions may have changed since the last update. This site is not affiliated with USACE. Do not use for emergency planning — contact your local dam safety program.