Stevenson Dam
Stevenson Dam is an earth dam located in Henry County, Iowa, built in 1965. It carries a Low hazard potential classification.
About Stevenson Dam
The primary purpose of Stevenson 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 A Grant Stevenson (private). It impounds the Tr-brush Creek near Lowell.
The dam stands 22 feet tall and stretches 401 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 61 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1965, 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 10/18/1963. That was over 62 years ago.
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Location
| State | Iowa |
| County | Henry |
| Nearest City | Lowell |
| River/Stream | Tr-brush Creek |
| Coordinates | 40.87310, -91.47310 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 22 ft |
| Dam Height | 22 ft |
| Dam Length | 401 ft |
| Year Completed | 1965 (61 years old) |
Storage & Hydraulics
| NID Storage | 61 acre-ft |
| Max Storage | 61 acre-ft |
| Normal Storage | 32 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 | A Grant Stevenson |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 10/18/1963 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA00492 |
| Federal ID | IA00492 |
| More Info | State Dam Safety Program |