Pleasant Valley No. 3

Pleasant Valley No. 3 is an earth dam located in Winona County, Minnesota, built in 1968. It carries a Significant hazard potential classification and has a fair condition assessment.

About Pleasant Valley No. 3

The primary purpose of Pleasant Valley No. 3 is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Murphy, Scott And Jana (private). It impounds the Pleasant Valley Cr-tr near Winona.

The dam stands 27 feet tall and stretches 336 feet across, creates a reservoir covering 0 acres, has a maximum storage capacity of 23 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1968, the structure is well into its service life at over 50 years old.

This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in 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 04/26/2023.

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Significant HazardFair ConditionEmergency Action Plan: Not Required

Location

StateMinnesota
CountyWinona
Nearest CityWinona
River/StreamPleasant Valley Cr-tr
Coordinates43.95944, -91.60347

Physical Characteristics

Dam TypeEarth
NID Height27 ft
Dam Height25 ft
Dam Length336 ft
Year Completed1968 (58 years old)

Storage & Hydraulics

NID Storage23 acre-ft
Max Storage23 acre-ft
Normal Storage1 acre-ft
Surface Area0 acres
Drainage Area0 sq mi
Max Discharge150 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeFlood Risk Reduction
OwnerMurphy, Scott and Jana
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentFair
Last Inspection04/26/2023
Emergency Action PlanNot Required

Identifiers

NID IDMN00429
Federal IDMN00429
More InfoState Dam Safety Program

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