Lake Seminole Dam

Lake Seminole Dam is an earth dam located in Pinellas County, Florida, built in 1949. It carries a Low hazard potential classification.

About Lake Seminole Dam

The primary purpose of Lake Seminole Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Pinellas County (local government). It impounds the Long Bayou near Seminole.

The dam stands 15 feet tall and stretches 2,000 feet across, creates a reservoir covering 320 acres, and has a maximum storage capacity of 4,800 acre-feet. Completed in 1949, the structure is well-established, with more than 75 years of service.

This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life.

Search for dams near your address to see all dams in your area with hazard classifications and safety data.

Low HazardNot Rated ConditionEmergency Action Plan: No

Location

StateFlorida
CountyPinellas
Nearest CitySeminole
River/StreamLong Bayou
Coordinates27.83948, -82.78135

Physical Characteristics

Dam TypeEarth
NID Height15 ft
Dam Height15 ft
Dam Length2,000 ft
Year Completed1949 (77 years old)

Storage & Hydraulics

NID Storage4,800 acre-ft
Max Storage4,800 acre-ft
Normal Storage3,000 acre-ft
Surface Area320 acres
Max Discharge4,000 cfs

Ownership & Safety

PurposeRecreation
OwnerPINELLAS COUNTY
Owner TypeLocal Government
Hazard ClassificationLow
Condition AssessmentNot Rated
Emergency Action PlanNo

Identifiers

NID IDFL00429
Federal IDFL00429
More InfoState Dam Safety Program

Nearby Dams