Warren Lake Dam

ROCK HOLLOW CREEK· Harris, Texas· Built 1961· Earth· 19 ft tall
Significant Hazard Recreation Private

Key Takeaway

Warren Lake Dam is classified as significant hazard in Texas. It was completed in 1961 and is 65 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 19 ft (taller than 30.6% in TX)
Dam Length2,009 ft
Dam TypeEarth
Max Storage2.0K acre-ft
Normal Storage987 acre-ft
Surface Area208 acres
Drainage Area5 sq mi
Max Discharge2 cfs
Year Completed1961 (65 years old)
NID IDTX03398

Safety Information

Significant Hazard

No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.

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

Emergency Action Plan: Yes
Last Inspection: February 23, 2011
State Regulated: Yes
Regulatory Agency: TCEQ

Ownership

COASTAL PRAIRIE CONSERVANCY;WARREN GROUP INC

Private

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Frequently Asked Questions

What is the hazard classification of Warren Lake Dam?

Warren Lake Dam is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Warren Lake Dam?

Warren Lake Dam is owned by COASTAL PRAIRIE CONSERVANCY;WARREN GROUP INC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Warren Lake Dam built?

Warren Lake Dam was completed in 1961, making it 65 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 Warren Lake Dam?

Warren Lake 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 Warren Lake Dam?

Warren Lake 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 Warren Lake Dam last inspected?

Warren Lake Dam was last inspected on February 23, 2011. 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.