Percival/putnam Dam is an earth dam located in Story County, Iowa, built in 1962. It carries a Low hazard potential classification.
Dam profile
NID height · 26 ft26 ft tall and 466 ft long, taller than 55% 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 Percival/putnam Dam
The primary purpose of Percival/putnam 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 Duncan Percival & Putnam (private). It impounds the Tr-willow Creek near Mingo.
The dam stands 26 feet tall and stretches 466 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 43 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1962, 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.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Iowa |
| County | Story |
| Nearest City | Mingo |
| River/Stream | Tr-willow Creek |
| Coordinates | 41.88300, -93.23260 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 26 ft |
| Dam Height | 26 ft |
| Dam Length | 466 ft |
| Year Completed | 1962 (64 years old) |
Storage & Hydraulics
| NID Storage | 43 acre-ft |
| Max Storage | 43 acre-ft |
| Normal Storage | 20 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Duncan Percival & Putnam |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA01255 |
| Federal ID | IA01255 |
| More Info | State Dam Safety Program |