Green Gate Farms Dam

Green Gate Farms Dam is an earth dam located in St. Charles County, Missouri, built in 1994. It carries a High hazard potential classification and has a satisfactory condition assessment.

About Green Gate Farms Dam

Green Gate Farms Dam is a dam in St. Charles, Missouri. The dam is owned by Green Gate Farms (private).

The dam stands 46 feet tall and stretches 2,475 feet across, creates a reservoir covering 36 acres, has a maximum storage capacity of 575 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1994, the structure is 32 years old.

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 07/06/2022.

At 46 feet, this dam is taller than 91% 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. Charles
Coordinates38.63206, -90.84196

Physical Characteristics

Dam TypeEarth
NID Height46 ft
Dam Height46 ft
Dam Length2,475 ft
Year Completed1994 (32 years old)

Storage & Hydraulics

NID Storage575 acre-ft
Max Storage575 acre-ft
Normal Storage575 acre-ft
Surface Area36 acres
Drainage Area0 sq mi
Max Discharge2,450 cfs
Spillway TypeUncontrolled

Ownership & Safety

OwnerGREEN GATE FARMS
Owner TypePrivate
Hazard ClassificationHigh
Condition AssessmentSatisfactory
Last Inspection07/06/2022
Emergency Action PlanYes

Identifiers

NID IDMO31989
Federal IDMO31989
More InfoState Dam Safety Program

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