Mission Valley Mills Lake Dam

GUADALUPE RIVER· Comal, Texas· Built 1922· Gravity· 7 ft tall
Low Hazard Other Private

Key Takeaway

Mission Valley Mills Lake Dam is classified as low hazard in Texas. It was completed in 1922 and is 104 years old. Its primary use is other.

Physical Details

Dam Height 7 ft (taller than 0.1% in TX)
Dam Length304 ft
Dam TypeGravity
Max Storage94 acre-ft
Normal Storage94 acre-ft
Surface Area0 acres
Drainage Area0 sq mi
Year Completed1922 (104 years old)
NID IDTX04371

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: March 21, 1979
State Regulated: Yes
Regulatory Agency: TCEQ

Ownership

PLAINS COTTON COOPERATIVE ASSOCIATION

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Mission Valley Mills Lake Dam?

Mission Valley Mills Lake 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 Mission Valley Mills Lake Dam?

Mission Valley Mills Lake Dam is owned by PLAINS COTTON COOPERATIVE ASSOCIATION (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Mission Valley Mills Lake Dam built?

Mission Valley Mills Lake Dam was completed in 1922, making it 104 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 Mission Valley Mills Lake Dam?

Mission Valley Mills Lake Dam serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Mission Valley Mills Lake Dam?

Mission Valley Mills Lake Dam has a dam height of 7 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 Mission Valley Mills Lake Dam last inspected?

Mission Valley Mills Lake Dam was last inspected on March 21, 1979. 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.