Francois Dam is an earth dam located in Delaware County, Iowa, built in 1998. It carries a Low hazard potential classification.
Dam profile
NID height · 15 ft15 ft tall and 2,130 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
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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Location
| State | Iowa |
| County | Delaware |
| Nearest City | Manchester |
| River/Stream | Tr- Coffins Creek |
| Coordinates | 42.50730, -91.53420 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 2,130 ft |
| Year Completed | 1998 (28 years old) |
Storage & Hydraulics
| NID Storage | 322 acre-ft |
| Max Storage | 322 acre-ft |
| Normal Storage | 100 acre-ft |
| Surface Area | 32 acres |
| Drainage Area | 1 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | M Ruth Francois |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA03205 |
| Federal ID | IA03205 |
| More Info | State Dam Safety Program |