L.p.hill Dam 1

L.p.hill Dam 1 is an earth dam located in Columbia County, Florida, built in 1966. It carries a High hazard potential classification and has a unsatisfactory condition assessment.

About L.p.hill Dam 1

The primary purpose of L.p.hill Dam 1 is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Srwmd (local government). It impounds the Tr-alligator Lake near Lake City.

The dam stands 20 feet tall and stretches 910 feet across, creates a reservoir covering 240 acres, has a maximum storage capacity of 240 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1966, the structure is well into its service life at over 50 years old.

This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Its condition is rated unsatisfactory, indicating serious safety deficiencies exist that require immediate attention or remedial action. An emergency action plan is in place for this dam. The most recent inspection on record was 10/05/2014. That was 11 years ago — unusually long for a high-hazard dam, which typically requires more frequent inspections.

Living Downstream

If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Florida dam safety program can provide more specific information about emergency planning for this structure.

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

High HazardUnsatisfactory ConditionEmergency Action Plan: Yes

Location

StateFlorida
CountyColumbia
Nearest CityLake City
River/StreamTr-alligator Lake
Coordinates30.17157, -82.60983

Physical Characteristics

Dam TypeEarth
NID Height20 ft
Dam Height20 ft
Dam Length910 ft
Year Completed1966 (60 years old)

Storage & Hydraulics

NID Storage240 acre-ft
Max Storage240 acre-ft
Normal Storage150 acre-ft
Surface Area240 acres
Drainage Area0 sq mi
Max Discharge878 cfs

Ownership & Safety

PurposeIrrigation
OwnerSRWMD
Owner TypeLocal Government
Hazard ClassificationHigh
Condition AssessmentUnsatisfactory
Last Inspection10/05/2014
Emergency Action PlanYes

Identifiers

NID IDFL00140
Federal IDFL00140
More InfoState Dam Safety Program

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