Sister Grove Creek WS SCS Site 8 Dam

TR-SISTER GROVE CREEK· Collin, Texas· Built 1959· Earth· 42 ft tall

Key Takeaway

Sister Grove Creek WS SCS Site 8 Dam is classified as low hazard in Texas. It was completed in 1959 and is 67 years old. Its primary use is flood risk reduction.

Physical Details

Dam Height 42 ft (taller than 87.1% in TX)
Dam Length2,075 ft
Dam TypeEarth
Max Storage837 acre-ft
Normal Storage134 acre-ft
Surface Area18 acres
Drainage Area2 sq mi
Year Completed1959 (67 years old)
NID IDTX01144

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: December 8, 2022
State Regulated: Yes
Regulatory Agency: TCEQ

Ownership

COLLIN COUNTY;COLLIN COUNTY SWCD

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Sister Grove Creek WS SCS Site 8 Dam?

Sister Grove Creek WS SCS Site 8 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 Sister Grove Creek WS SCS Site 8 Dam?

Sister Grove Creek WS SCS Site 8 Dam is owned by COLLIN COUNTY;COLLIN COUNTY SWCD (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Sister Grove Creek WS SCS Site 8 Dam built?

Sister Grove Creek WS SCS Site 8 Dam was completed in 1959, making it 67 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 Sister Grove Creek WS SCS Site 8 Dam?

Sister Grove Creek WS SCS Site 8 Dam serves the following purposes: Flood Risk Reduction, Fire Protection, Stock, Or Small Fish Pond, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Sister Grove Creek WS SCS Site 8 Dam?

Sister Grove Creek WS SCS Site 8 Dam has a dam height of 42 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 Sister Grove Creek WS SCS Site 8 Dam last inspected?

Sister Grove Creek WS SCS Site 8 Dam was last inspected on December 8, 2022. 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.