Mason Wildlife Dam

Mason Wildlife Dam is an earth dam located in Ingham County, Michigan, built in 1960. It carries a Low hazard potential classification and has a fair condition assessment.

About Mason Wildlife Dam

The primary purpose of Mason Wildlife Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Ingham County Conversation District (local government). It impounds the Mud Creek near Lansing.

The dam stands 9 feet tall and stretches 400 feet across, creates a reservoir covering 19 acres, has a maximum storage capacity of 150 acre-feet, and collects water from a drainage area of 7 square miles. Completed in 1960, 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. 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 07/15/1996. That was over 29 years ago.

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Low HazardFair ConditionEmergency Action Plan: Not Required

Location

StateMichigan
CountyIngham
Nearest CityLansing
River/StreamMud Creek
Coordinates42.55000, -84.38333

Physical Characteristics

Dam TypeEarth
NID Height9 ft
Dam Height9 ft
Dam Length400 ft
Year Completed1960 (66 years old)

Storage & Hydraulics

NID Storage150 acre-ft
Max Storage150 acre-ft
Normal Storage70 acre-ft
Surface Area19 acres
Drainage Area7 sq mi
Max Discharge40 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerIngham County Conversation District
Owner TypeLocal Government
Hazard ClassificationLow
Condition AssessmentFair
Last Inspection07/15/1996
Emergency Action PlanNot Required

Identifiers

NID IDMI00751
Federal IDMI00751
More InfoState Dam Safety Program

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