Engnell Dam
Engnell Dam is an earth dam located in Boone County, Iowa, built in 1970. It carries a Low hazard potential classification.
About Engnell Dam
The primary purpose of Engnell 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 C&h Engnell (private). It impounds the Tr-des Moines near Moingona.
The dam stands 36 feet tall and stretches 259 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 50 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1970, the structure is well into its service life at over 50 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.
At 36 feet, this dam is taller than 83% of dams nationwide.
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Location
| State | Iowa |
| County | Boone |
| Nearest City | Moingona |
| River/Stream | Tr-des Moines |
| Coordinates | 42.01930, -93.95260 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 36 ft |
| Dam Height | 36 ft |
| Dam Length | 259 ft |
| Year Completed | 1970 (56 years old) |
Storage & Hydraulics
| NID Storage | 50 acre-ft |
| Max Storage | 50 acre-ft |
| Normal Storage | 30 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | C&H Engnell |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA00138 |
| Federal ID | IA00138 |
| More Info | State Dam Safety Program |