Dovetail #1
Dovetail #1 is an earth dam located in Petroleum County, Montana, built in 1961. It carries a Low hazard potential classification.
About Dovetail #1
The primary purpose of Dovetail #1 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 Swinging H Cattle Co. (private). It impounds the Tr-dovetail Creek near No Town.
The dam stands 20 feet tall and stretches 454 feet across, has a maximum storage capacity of 94 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1961, 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 | Montana |
| County | Petroleum |
| Nearest City | No Town |
| River/Stream | Tr-dovetail Creek |
| Coordinates | 47.32380, -108.23820 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 454 ft |
| Year Completed | 1961 (65 years old) |
Storage & Hydraulics
| NID Storage | 94 acre-ft |
| Max Storage | 94 acre-ft |
| Normal Storage | 40 acre-ft |
| Drainage Area | 3 sq mi |
| Max Discharge | 430 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | SWINGING H CATTLE CO. |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT00140 |
| Federal ID | MT00140 |
| More Info | State Dam Safety Program |