Hempys Lake Dam
Hempys Lake Dam is an earth dam located in Tama County, Iowa, built in 1963. It carries a Low hazard potential classification.
About Hempys Lake Dam
The primary purpose of Hempys Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Robert Hempy (private). It impounds the Tr-sugar Creek near Iowa River.
The dam stands 32 feet tall and stretches 450 feet across, creates a reservoir covering 11 acres, has a maximum storage capacity of 250 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1963, 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 32 feet, this dam is taller than 76% of dams nationwide.
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Location
| State | Iowa |
| County | Tama |
| Nearest City | Iowa River |
| River/Stream | Tr-sugar Creek |
| Coordinates | 42.02640, -92.70460 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 32 ft |
| Dam Height | 32 ft |
| Dam Length | 450 ft |
| Year Completed | 1963 (63 years old) |
Storage & Hydraulics
| NID Storage | 250 acre-ft |
| Max Storage | 250 acre-ft |
| Normal Storage | 126 acre-ft |
| Surface Area | 11 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Robert Hempy |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA02053 |
| Federal ID | IA02053 |
| More Info | State Dam Safety Program |