Black Diamond Lake

Black Diamond Lake is an earth dam located in Jefferson County, Alabama, built in 1961. It carries a Low hazard potential classification.

Hazard potentialLowFailure would cause limited damage
ConditionNot assessed
Emergency action planNone on file
Last inspectionNot reported
Height40 ft
Built196165 years ago

Dam profile

NID height · 40 ft
40 FT TWO-STORY HOUSEMEDIAN U.S. DAM · 24 FT

40 ft tall and 600 ft long, taller than 86% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.

About Black Diamond Lake

The primary purpose of Black Diamond Lake is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Rock Mountain Lake Inc (private). It impounds the Tr-blue Creek near Black Diamond.

The dam stands 40 feet tall and stretches 600 feet across, and has a maximum storage capacity of 1,108 acre-feet. Completed in 1961, the structure is well into its service life at over 50 years old.

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.

At 40 feet, this dam is taller than 86% of dams nationwide.

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

Location

StateAlabama
CountyJefferson
Nearest CityBlack Diamond
River/StreamTr-blue Creek
Coordinates33.33000, -87.08333

Physical Characteristics

Dam TypeEarth
NID Height40 ft
Dam Length600 ft
Year Completed1961 (65 years old)

Storage & Hydraulics

NID Storage1,108 acre-ft
Max Storage1,108 acre-ft
Normal Storage960 acre-ft
Max Discharge340 cfs

Ownership & Safety

PurposeRecreation
OwnerRock Mountain Lake Inc
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot assessed
Emergency Action PlanNo

Identifiers

NID IDAL01306
Federal IDAL01306
More InfoASDSO on Alabama (no state dam safety program)