Maas Detention

Maas Detention is an earth dam located in Rice County, Minnesota, built in 1993. It carries a Low hazard potential classification and has a satisfactory condition assessment.

Hazard potentialLowFailure would cause limited damage
ConditionSatisfactoryBest of 4 ratings
Emergency action planNot reported
Last inspection07/13/2017
Height34 ft
Built199333 years ago

Dam profile

NID height · 34 ft
34 FT TWO-STORY HOUSEMEDIAN U.S. DAM · 24 FT

34 ft tall and 260 ft long, taller than 78% 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 Maas Detention

The primary purpose of Maas Detention 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 Maas, Ronald (private). It impounds the MUD Creek-tr near Faribault.

The dam stands 34 feet tall and stretches 260 feet across, creates a reservoir covering 1 acres, has a maximum storage capacity of 21 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1993, the structure is 33 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. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 07/13/2017.

At 34 feet, this dam is taller than 78% of dams nationwide.

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Location

StateMinnesota
CountyRice
Nearest CityFaribault
River/StreamMUD Creek-tr
Coordinates44.22826, -93.24622

Physical Characteristics

Dam TypeEarth
NID Height34 ft
Dam Height30 ft
Dam Length260 ft
Year Completed1993 (33 years old)

Storage & Hydraulics

NID Storage21 acre-ft
Max Storage21 acre-ft
Normal Storage5 acre-ft
Surface Area1 acres
Drainage Area0 sq mi
Max Discharge150 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeFlood Risk Reduction
OwnerMaas, Ronald
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentSatisfactory
Last Inspection07/13/2017
Emergency Action PlanNot Required

Identifiers

NID IDMN00985
Federal IDMN00985
More InfoState Dam Safety Program