Williams Dam is an earth dam located in Bon Homme County, South Dakota, built in 2009. It carries a Low hazard potential classification.

Hazard potentialLowFailure would cause limited damage
ConditionNot assessed
Emergency action planNot reported
Last inspectionNot reported
Height24 ft
Built200917 years ago

Dam profile

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

24 ft tall and 380 ft long. 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 Williams Dam

The primary purpose of Williams Dam 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 Jon Williams (private). It impounds the Choteau Creek-tr.

The dam stands 24 feet tall and stretches 380 feet across, and has a maximum storage capacity of 69 acre-feet. Completed in 2009, the structure is relatively new.

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.

Location

StateSouth Dakota
CountyBon Homme
River/StreamChoteau Creek-tr
Coordinates42.94681, -98.07388

Physical Characteristics

Dam TypeEarth
NID Height24 ft
Dam Height24 ft
Dam Length380 ft
Year Completed2009 (17 years old)

Storage & Hydraulics

NID Storage69 acre-ft
Max Storage69 acre-ft
Normal Storage27 acre-ft
Max Discharge850 cfs
Spillway TypeUncontrolled

Ownership & Safety

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

Identifiers

NID IDSD02643
Federal IDSD02643
More InfoState Dam Safety Program