Middle Lake Dam

CYPRESS CREEK· Hillsborough, Florida· Earth· 12 ft tall
Significant Hazard Recreation Private

Key Takeaway

Middle Lake Dam is classified as significant hazard in Florida. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 12 ft (taller than 20.6% in FL)
Dam Length91 ft
Dam TypeEarth
Max Storage211 acre-ft
Normal Storage84 acre-ft
Surface Area32 acres
NID IDFL12039

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: No
Last Inspection: March 31, 2016
State Regulated: Yes
Regulatory Agency: FDEP

Ownership

HILLSBOROUGH COUNTY

Private

Nearby Dams

North Lake Dam

Hillsborough, FL

Significant Hazard 9 ft

Simmons Lake

Hillsborough, FL

Significant Hazard 10 ft

Manatee Cooling Water Reservoir

Manatee, FL

High Hazard 79 ft

Fgh1b Fort Green Mine

Manatee, FL

Significant Hazard 35 ft

Hil7

Hillsborough, FL

Unknown 13 ft

32acre Cooling Pond

Hillsborough, FL

Low Hazard 11 ft

Unnamed Dam

Hillsborough, FL

Low Hazard 13 ft

Hil8

Hillsborough, FL

Unknown 44 ft

Frequently Asked Questions

What is the hazard classification of Middle Lake Dam?

Middle 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 Middle Lake Dam?

Middle Lake Dam is owned by HILLSBOROUGH COUNTY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Middle Lake Dam?

Middle 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 Middle Lake Dam?

Middle Lake Dam has a dam height of 12 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 Middle Lake Dam last inspected?

Middle Lake Dam was last inspected on March 31, 2016. 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.