Hubbard Dam
Hubbard Dam is an earth dam located in Union County, Iowa, built in 1971. It carries a Low hazard potential classification.
About Hubbard Dam
The primary purpose of Hubbard Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Cyril Hubbard (private). It impounds the Tr-west Plum Creek near Diagonal.
The dam stands 24 feet tall and stretches 416 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 65 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1971, 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 | Diagonal |
| River/Stream | Tr-west Plum Creek |
| Coordinates | 40.91050, -94.33970 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 24 ft |
| Dam Height | 24 ft |
| Dam Length | 416 ft |
| Year Completed | 1971 (55 years old) |
Storage & Hydraulics
| NID Storage | 65 acre-ft |
| Max Storage | 65 acre-ft |
| Normal Storage | 27 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Cyril Hubbard |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA01079 |
| Federal ID | IA01079 |
| More Info | State Dam Safety Program |