Dolezal No. 2

Dolezal No. 2 is an earth dam located in Mellette County, South Dakota, built in 1963. It carries a Low hazard potential classification.

Hazard potentialLowFailure would cause limited damage
ConditionNot assessed
Emergency action planNot reported
Last inspectionNot reported
Height28 ft
Built196363 years ago

Dam profile

NID height · 28 ft
28 FT TWO-STORY HOUSEMEDIAN U.S. DAM · 24 FT

28 ft tall and 350 ft long, taller than 62% 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 Dolezal No. 2

The primary purpose of Dolezal No. 2 is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by John Dolezal (private). It impounds the Trib, Little White River.

The dam stands 28 feet tall and stretches 350 feet across, and has a maximum storage capacity of 45 acre-feet. Completed in 1963, 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.

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Location

StateSouth Dakota
CountyMellette
Nearest CityNone
River/StreamTrib, Little White River
Coordinates43.56666, -100.69999

Physical Characteristics

Dam TypeEarth
NID Height28 ft
Dam Height28 ft
Dam Length350 ft
Year Completed1963 (63 years old)

Storage & Hydraulics

NID Storage45 acre-ft
Max Storage45 acre-ft
Normal Storage33 acre-ft
Max Discharge1,197 cfs

Ownership & Safety

PurposeFire Protection, Stock, Or Small Fish Pond
OwnerJohn Dolezal
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot assessed
Emergency Action PlanNot Required

Identifiers

NID IDSD01279
Federal IDSD01279
More InfoState Dam Safety Program