Lake Hollow Dam

TR-MILL CREEK· Montgomery, Texas· Built 1970· Earth· 19 ft tall

High Hazard Recreation Private

Key Takeaway

Lake Hollow Dam is classified as high hazard in Texas. It was completed in 1970 and is 56 years old. Its primary use is recreation. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.

Physical Details

Dam Height	19 ft (taller than 30.6% in TX)
Dam Length	765 ft
Dam Type	Earth
Max Storage	130 acre-ft
Normal Storage	74 acre-ft

Surface Area	12 acres
Drainage Area	0 sq mi
Max Discharge	2,751 cfs
Year Completed	1970 (56 years old)
NID ID	TX00087

Safety Information

High Hazard

Loss of human life is likely if the dam fails.

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

Emergency Action Plan: No

Last Inspection: March 25, 2015

State Regulated: Yes

Regulatory Agency: TCEQ

Ownership

CRISTOBAL PORTELLA;CYNTHIA CHERRY;DAVID LEHMAN;DOUGLAS CORMIER;ELIZABETH MCAMIS;ERIC JOHNSON;GREGORY MATTOX;IVEL BIDDY;JAMES FULLER;MANUEL MARTINEZ;PAUL CRANE;RONALD WADE;TRENTON TERRY

Private

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Frequently Asked Questions

What is the hazard classification of Lake Hollow Dam?

Lake Hollow Dam is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Lake Hollow Dam?

Lake Hollow Dam is owned by CRISTOBAL PORTELLA;CYNTHIA CHERRY;DAVID LEHMAN;DOUGLAS CORMIER;ELIZABETH MCAMIS;ERIC JOHNSON;GREGORY MATTOX;IVEL BIDDY;JAMES FULLER;MANUEL MARTINEZ;PAUL CRANE;RONALD WADE;TRENTON TERRY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Lake Hollow Dam built?

Lake Hollow 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 Lake Hollow Dam?

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

How tall is Lake Hollow Dam?

Lake Hollow Dam has a dam height of 19 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 Lake Hollow Dam last inspected?

Lake Hollow Dam was last inspected on March 25, 2015. 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.