Fountain Lake Dam

Fountain Lake Dam is an earth dam located in St. Louis County, Missouri. It carries a High hazard potential classification and has a satisfactory condition assessment.

About Fountain Lake Dam

Fountain Lake Dam is a dam in St. Louis, Missouri. The dam is owned by Friendship Village Of South Co (private). It impounds the Trib Meramec near Sunset Hills.

The dam stands 36 feet tall and stretches 240 feet across, creates a reservoir covering 0 acres, has a maximum storage capacity of 19 acre-feet, and collects water from a drainage area of 0 square miles.

This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 04/05/2022.

At 36 feet, this dam is taller than 83% of dams nationwide.

Living Downstream

If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Missouri dam safety program can provide more specific information about emergency planning for this structure.

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

High HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateMissouri
CountySt. Louis
Nearest CitySunset Hills
River/StreamTrib Meramec
Coordinates38.52024, -90.40886

Physical Characteristics

Dam TypeEarth
NID Height36 ft
Dam Height36 ft
Dam Length240 ft

Storage & Hydraulics

NID Storage19 acre-ft
Max Storage19 acre-ft
Normal Storage9 acre-ft
Surface Area0 acres
Drainage Area0 sq mi
Max Discharge327 cfs
Spillway TypeUncontrolled

Ownership & Safety

OwnerFRIENDSHIP VILLAGE OF SOUTH CO
Owner TypePrivate
Hazard ClassificationHigh
Condition AssessmentSatisfactory
Last Inspection04/05/2022
Emergency Action PlanYes

Identifiers

NID IDMO40194
Federal IDMO40194
More InfoState Dam Safety Program

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