Larry Hopf Dam

Larry Hopf Dam is an earth dam located in Dubois County, Indiana, built in 1978. It carries a Low hazard potential classification and has a fair condition assessment.

Hazard potentialLowFailure would cause limited damage
ConditionFair2nd of 4 ratings
Emergency action planNone on file
Last inspection04/15/2016
Height45 ft
Built197848 years ago

Dam profile

NID height · 45 ft
45 FT TWO-STORY HOUSEMEDIAN U.S. DAM · 24 FT

45 ft tall and 350 ft long, taller than 90% 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 Larry Hopf Dam

The primary purpose of Larry Hopf Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Hopf's Lake, LLC (private). It impounds the Hall Creek near Jasper-offstream.

The dam stands 45 feet tall and stretches 350 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 123 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1978, the structure is 48 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. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 04/15/2016. That was over 10 years ago.

At 45 feet, this dam is taller than 90% of dams nationwide.

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

Location

StateIndiana
CountyDubois
Nearest CityJasper-offstream
River/StreamHall Creek
Coordinates38.32978, -86.81236

Physical Characteristics

Dam TypeEarth
NID Height45 ft
Dam Height45 ft
Dam Length350 ft
Year Completed1978 (48 years old)

Storage & Hydraulics

NID Storage123 acre-ft
Max Storage123 acre-ft
Normal Storage89 acre-ft
Surface Area4 acres
Drainage Area0 sq mi
Max Discharge109 cfs
Spillway TypeNone

Ownership & Safety

PurposeRecreation
OwnerHopf's Lake, LLC
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentFair
Last Inspection04/15/2016
Emergency Action PlanNo

Identifiers

NID IDIN00616
Federal IDIN00616
More InfoState Dam Safety Program