Tmpa Gibbons Creek Mine Dam Sp13

TRIBUTARY GIBBONS CREEK· Grimes, Texas· Built 1991· Earth· 22 ft tall
Low Hazard Local Government

Key Takeaway

Tmpa Gibbons Creek Mine Dam Sp13 is classified as low hazard in Texas. It was completed in 1991 and is 35 years old.

Physical Details

Dam Height 22 ft (taller than 41.9% in TX)
Dam Length6,900 ft
Dam TypeEarth
Max Storage370 acre-ft
Normal Storage171 acre-ft
Surface Area26 acres
Drainage Area1 sq mi
Max Discharge2,123 cfs
Year Completed1991 (35 years old)
NID IDTX07369

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 16, 2010
State Regulated: Yes
Regulatory Agency: TCEQ

Ownership

TEXAS MUNICIPAL POWER AGENCY

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Tmpa Gibbons Creek Mine Dam Sp13?

Tmpa Gibbons Creek Mine Dam Sp13 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 Tmpa Gibbons Creek Mine Dam Sp13?

Tmpa Gibbons Creek Mine Dam Sp13 is owned by TEXAS MUNICIPAL POWER AGENCY (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Tmpa Gibbons Creek Mine Dam Sp13 built?

Tmpa Gibbons Creek Mine Dam Sp13 was completed in 1991, making it 35 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.

How tall is Tmpa Gibbons Creek Mine Dam Sp13?

Tmpa Gibbons Creek Mine Dam Sp13 has a dam height of 22 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 Tmpa Gibbons Creek Mine Dam Sp13 last inspected?

Tmpa Gibbons Creek Mine Dam Sp13 was last inspected on December 16, 2010. 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.