Haroldsen Dam is an earth dam located in Buena Vista County, Iowa, built in 1974. It carries a Low hazard potential classification.
Dam profile
NID height · 35 ft35 ft tall and 350 ft long, taller than 80% of U.S. dams with a recorded height. 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 Haroldsen Dam
The primary purpose of Haroldsen 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 Paul Haroldsen (private). It impounds the Tr-brooke Creek near Linn Grove.
The dam stands 35 feet tall and stretches 350 feet across, creates a reservoir covering 6 acres, has a maximum storage capacity of 130 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1974, 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 35 feet, this dam is taller than 80% of dams nationwide.
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Location
| State | Iowa |
| County | Buena Vista |
| Nearest City | Linn Grove |
| River/Stream | Tr-brooke Creek |
| Coordinates | 42.84680, -95.28110 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 35 ft |
| Dam Height | 35 ft |
| Dam Length | 350 ft |
| Year Completed | 1974 (52 years old) |
Storage & Hydraulics
| NID Storage | 130 acre-ft |
| Max Storage | 130 acre-ft |
| Normal Storage | 64 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Paul Haroldsen |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA01492 |
| Federal ID | IA01492 |
| More Info | State Dam Safety Program |