Hinegardner Lake Dam is an earth dam located in Tama County, Iowa, built in 1963. It carries a Low hazard potential classification.
Dam profile
NID height · 18 ft18 ft tall and 500 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Hinegardner Lake Dam
The primary purpose of Hinegardner Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Arlo Hinegardner (private). It impounds the Tr-iowa River near Sportsman Lake.
The dam stands 18 feet tall and stretches 500 feet across, creates a reservoir covering 16 acres, has a maximum storage capacity of 151 acre-feet, and collects water from a drainage area of 1 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.
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Location
| State | Iowa |
| County | Tama |
| Nearest City | Sportsman Lake |
| River/Stream | Tr-iowa River |
| Coordinates | 42.01790, -92.68560 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 500 ft |
| Year Completed | 1963 (63 years old) |
Storage & Hydraulics
| NID Storage | 151 acre-ft |
| Max Storage | 151 acre-ft |
| Normal Storage | 85 acre-ft |
| Surface Area | 16 acres |
| Drainage Area | 1 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Arlo Hinegardner |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA02054 |
| Federal ID | IA02054 |
| More Info | State Dam Safety Program |