Upper Pecan Bayou WS SCS Site 7 Dam

NORTH PRONG PECAN BAYOU· Callahan, Texas· Built 1970· Earth· 63 ft tall
Low Hazard Water Supply Local Government

Key Takeaway

Upper Pecan Bayou WS SCS Site 7 Dam is classified as low hazard in Texas. It was completed in 1970 and is 56 years old. Its primary use is water supply.

Physical Details

Dam Height 63 ft (taller than 97.5% in TX)
Dam Length3,850 ft
Dam TypeEarth
Max Storage16.6K acre-ft
Normal Storage5.7K acre-ft
Surface Area449 acres
Drainage Area38 sq mi
Max Discharge43,740 cfs
Year Completed1970 (56 years old)
NID IDTX02940

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: July 24, 1971
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 7 Dam?

Upper Pecan Bayou WS SCS Site 7 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 7 Dam?

Upper Pecan Bayou WS SCS Site 7 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 7 Dam built?

Upper Pecan Bayou WS SCS Site 7 Dam was completed in 1970, making it 56 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 7 Dam?

Upper Pecan Bayou WS SCS Site 7 Dam serves the following purposes: Water Supply. 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 7 Dam?

Upper Pecan Bayou WS SCS Site 7 Dam has a dam height of 63 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 7 Dam last inspected?

Upper Pecan Bayou WS SCS Site 7 Dam was last inspected on July 24, 1971. 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.