Attril Dam
Attril Dam is an earth dam located in Plymouth County, Iowa, built in 1962. It carries a Low hazard potential classification.
About Attril Dam
The primary purpose of Attril 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 Harry Attril (private). It impounds the Tr-west Branch Perry Creek near Sioux City.
The dam stands 32 feet tall and stretches 464 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 58 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1962, 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. The most recent inspection on record was 12/18/1962. That was over 63 years ago.
At 32 feet, this dam is taller than 76% of dams nationwide.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Iowa |
| County | Plymouth |
| Nearest City | Sioux City |
| River/Stream | Tr-west Branch Perry Creek |
| Coordinates | 42.61220, -96.39580 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 32 ft |
| Dam Height | 32 ft |
| Dam Length | 464 ft |
| Year Completed | 1962 (64 years old) |
Storage & Hydraulics
| NID Storage | 58 acre-ft |
| Max Storage | 58 acre-ft |
| Normal Storage | 27 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 | Harry Attril |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 12/18/1962 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA00895 |
| Federal ID | IA00895 |
| More Info | State Dam Safety Program |