Lyman Number 3

Lyman Number 3 is an earth dam located in Jones County, South Dakota, built in 1958. It carries a Low hazard potential classification.

About Lyman Number 3

The primary purpose of Lyman Number 3 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 Lyn Lyman (private). It impounds the Tr-bad River.

The dam stands 35 feet tall and stretches 219 feet across, and has a maximum storage capacity of 67 acre-feet. Completed in 1958, 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 35 feet, this dam is taller than 82% of dams nationwide.

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Low Hazard ConditionEmergency Action Plan: Not Required

Location

StateSouth Dakota
CountyJones
Nearest CityNone
River/StreamTr-bad River
Coordinates44.00333, -100.88832

Physical Characteristics

Dam TypeEarth
NID Height35 ft
Dam Height35 ft
Dam Length219 ft
Year Completed1958 (68 years old)

Storage & Hydraulics

NID Storage67 acre-ft
Max Storage67 acre-ft
Normal Storage44 acre-ft
Max Discharge945 cfs

Ownership & Safety

PurposeFire Protection, Stock, Or Small Fish Pond
OwnerLYN LYMAN
Owner TypePrivate
Hazard ClassificationLow
Emergency Action PlanNot Required

Identifiers

NID IDSD01651
Federal IDSD01651
More InfoState Dam Safety Program

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