Block Lake Dam

Block Lake Dam is an earth dam located in Montgomery County, Missouri. It carries a Significant hazard potential classification.

About Block Lake Dam

Block Lake Dam is a dam in Montgomery, Missouri. The dam is owned by Tom Block (private).

The dam stands 33 feet tall, creates a reservoir covering 21 acres, has a maximum storage capacity of 278 acre-feet, and collects water from a drainage area of 2,710 square miles.

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.

At 33 feet, this dam is taller than 78% of dams nationwide.

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Significant HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateMissouri
CountyMontgomery
Nearest CityWellsville
Coordinates39.00793, -91.57964

Physical Characteristics

Dam TypeEarth
NID Height33 ft
Dam Height33 ft

Storage & Hydraulics

NID Storage278 acre-ft
Max Storage278 acre-ft
Normal Storage232 acre-ft
Surface Area21 acres
Drainage Area2,710 sq mi

Ownership & Safety

OwnerTOM BLOCK
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentNot Rated
Emergency Action PlanNot Required

Identifiers

NID IDMO32038
Federal IDMO32038
More InfoState Dam Safety Program

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