Halliday Dam is an earth dam located in Page County, Iowa, built in 1972. It carries a Low hazard potential classification.
Dam profile
NID height · 30 ft30 ft tall and 443 ft long, taller than 68% 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 Halliday Dam
The primary purpose of Halliday 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 Ralph Halliday (private). It impounds the Tr-nodaway River near Braddyville.
The dam stands 30 feet tall and stretches 443 feet across, creates a reservoir covering 6 acres, has a maximum storage capacity of 120 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1972, 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. The most recent inspection on record was 07/13/1965. That was over 61 years ago.
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Location
| State | Iowa |
| County | Page |
| Nearest City | Braddyville |
| River/Stream | Tr-nodaway River |
| Coordinates | 40.59690, -95.05640 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Dam Length | 443 ft |
| Year Completed | 1972 (54 years old) |
Storage & Hydraulics
| NID Storage | 120 acre-ft |
| Max Storage | 120 acre-ft |
| Normal Storage | 35 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 1 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Ralph Halliday |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 07/13/1965 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA00838 |
| Federal ID | IA00838 |
| More Info | State Dam Safety Program |