Diamond Lake Watershed Site A-2
Diamond Lake Watershed Site A-2 is an earth dam located in Poweshiek County, Iowa, built in 1966. It carries a Low hazard potential classification.
About Diamond Lake Watershed Site A-2
The primary purpose of Diamond Lake Watershed Site A-2 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 Poweshiek County Swcd (local government). It impounds the Tr-moon Creek near Montezuma.
The dam stands 18 feet tall and stretches 509 feet across, creates a reservoir covering 8 acres, has a maximum storage capacity of 80 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1966, 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.
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Location
| State | Iowa |
| County | Poweshiek |
| Nearest City | Montezuma |
| River/Stream | Tr-moon Creek |
| Coordinates | 41.59410, -92.55420 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 509 ft |
| Year Completed | 1966 (60 years old) |
Storage & Hydraulics
| NID Storage | 80 acre-ft |
| Max Storage | 80 acre-ft |
| Normal Storage | 6 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Poweshiek County SWCD |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA00969 |
| Federal ID | IA00969 |
| More Info | State Dam Safety Program |