Gilliand Dam
Gilliand Dam is an earth dam located in Washington County, Iowa, built in 1972. It carries a Low hazard potential classification.
About Gilliand Dam
The primary purpose of Gilliand 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 Harold Gilliand (private). It impounds the Tr-goose Creek near Gladwin.
The dam stands 32 feet tall and stretches 352 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 41 acre-feet, and collects water from a drainage area of 0 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.
At 32 feet, this dam is taller than 76% of dams nationwide.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Iowa |
| County | Washington |
| Nearest City | Gladwin |
| River/Stream | Tr-goose Creek |
| Coordinates | 41.38490, -91.56270 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 32 ft |
| Dam Height | 32 ft |
| Dam Length | 352 ft |
| Year Completed | 1972 (54 years old) |
Storage & Hydraulics
| NID Storage | 41 acre-ft |
| Max Storage | 41 acre-ft |
| Normal Storage | 25 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Harold Gilliand |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA01141 |
| Federal ID | IA01141 |
| More Info | State Dam Safety Program |