Blackwell Dam
Blackwell Dam is an earth dam located in Davis County, Iowa, built in 1958. It carries a Low hazard potential classification.
About Blackwell Dam
The primary purpose of Blackwell 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 Dale Blackwell (private). It impounds the Tr-fox River near Mt. Sterling, Mo.
The dam stands 23 feet tall and stretches 455 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 56 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1958, 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 10/04/1960. That was over 65 years ago.
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Location
| State | Iowa |
| County | Davis |
| Nearest City | Mt. Sterling, Mo |
| River/Stream | Tr-fox River |
| Coordinates | 40.71340, -92.32440 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 23 ft |
| Dam Height | 23 ft |
| Dam Length | 455 ft |
| Year Completed | 1958 (68 years old) |
Storage & Hydraulics
| NID Storage | 56 acre-ft |
| Max Storage | 56 acre-ft |
| Normal Storage | 21 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Dale Blackwell |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 10/04/1960 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA00298 |
| Federal ID | IA00298 |
| More Info | State Dam Safety Program |