Hawk Lake Dam
Hawk Lake Dam is an earth dam located in Union County, Iowa, built in 1967. It carries a Low hazard potential classification.
About Hawk Lake Dam
The primary purpose of Hawk 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 Central Iowa Power Cooperative (private). It impounds the Tr-twelve Mile Creek near Afton.
The dam stands 18 feet tall and stretches 836 feet across, creates a reservoir covering 18 acres, has a maximum storage capacity of 190 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1967, 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 | Union |
| Nearest City | Afton |
| River/Stream | Tr-twelve Mile Creek |
| Coordinates | 41.11750, -94.33960 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 836 ft |
| Year Completed | 1967 (59 years old) |
Storage & Hydraulics
| NID Storage | 190 acre-ft |
| Max Storage | 190 acre-ft |
| Normal Storage | 122 acre-ft |
| Surface Area | 18 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Central Iowa Power Cooperative |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA01091 |
| Federal ID | IA01091 |
| More Info | State Dam Safety Program |