Francois Dam

Francois Dam is an earth dam located in Delaware County, Iowa, built in 1998. It carries a Low hazard potential classification.

About Francois Dam

The primary purpose of Francois Dam is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by M Ruth Francois (private). It impounds the Tr- Coffins Creek near Manchester.

The dam stands 15 feet tall and stretches 2,130 feet across, creates a reservoir covering 32 acres, has a maximum storage capacity of 322 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1998, the structure is 28 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.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateIowa
CountyDelaware
Nearest CityManchester
River/StreamTr- Coffins Creek
Coordinates42.50730, -91.53420

Physical Characteristics

Dam TypeEarth
NID Height15 ft
Dam Height15 ft
Dam Length2,130 ft
Year Completed1998 (28 years old)

Storage & Hydraulics

NID Storage322 acre-ft
Max Storage322 acre-ft
Normal Storage100 acre-ft
Surface Area32 acres
Drainage Area1 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeFire Protection, Stock, Or Small Fish Pond
OwnerM Ruth Francois
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot Rated
Emergency Action PlanNot Required

Identifiers

NID IDIA03205
Federal IDIA03205
More InfoState Dam Safety Program

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