Reynolds Number 2

Reynolds Number 2 is an earth dam located in Jones County, South Dakota, built in 1956. It carries a Low hazard potential classification.

Hazard potentialLowFailure would cause limited damage
ConditionNot assessed
Emergency action planNot reported
Last inspectionNot reported
Height25 ft
Built195670 years ago

Dam profile

NID height · 25 ft
25 FT TWO-STORY HOUSEMEDIAN U.S. DAM · 24 FT

25 ft tall and 765 ft long, taller than 50% 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 Reynolds Number 2

The primary purpose of Reynolds Number 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 James Reynolds (private). It impounds the Tr-bad River.

The dam stands 25 feet tall and stretches 765 feet across, and has a maximum storage capacity of 79 acre-feet. Completed in 1956, 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.

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

Location

StateSouth Dakota
CountyJones
Nearest CityNone
River/StreamTr-bad River
Coordinates43.96833, -100.71166

Physical Characteristics

Dam TypeEarth
NID Height25 ft
Dam Height25 ft
Dam Length765 ft
Year Completed1956 (70 years old)

Storage & Hydraulics

NID Storage79 acre-ft
Max Storage79 acre-ft
Normal Storage54 acre-ft
Max Discharge1,570 cfs

Ownership & Safety

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

Identifiers

NID IDSD00485
Federal IDSD00485
More InfoState Dam Safety Program