Walton Lake Dam is an earth dam located in Jefferson County, Iowa, built in 1900. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 35 ft35 ft tall and 900 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 Walton Lake Dam
The primary purpose of Walton Lake Dam is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by City of Fairfield (local government). It impounds the Tr-crow Creek near Fairfield.
The dam stands 35 feet tall and stretches 900 feet across, creates a reservoir covering 75 acres, has a maximum storage capacity of 2,500 acre-feet, and collects water from a drainage area of 4 square miles. Completed in 1900, the structure is over a century old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 06/03/2020.
At 35 feet, this dam is taller than 80% of dams nationwide.
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Location
| State | Iowa |
| County | Jefferson |
| Nearest City | Fairfield |
| River/Stream | Tr-crow Creek |
| Coordinates | 41.01110, -91.93420 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 35 ft |
| Dam Height | 35 ft |
| Dam Length | 900 ft |
| Year Completed | 1900 (126 years old) |
Storage & Hydraulics
| NID Storage | 2,500 acre-ft |
| Max Storage | 2,500 acre-ft |
| Normal Storage | 920 acre-ft |
| Surface Area | 75 acres |
| Drainage Area | 4 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | City of Fairfield |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 06/03/2020 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA01351 |
| Federal ID | IA01351 |
| More Info | State Dam Safety Program |