Ronning #1 is an earth dam located in Custer County, Montana, built in 1958. It carries a Low hazard potential classification.
Dam profile
NID height · 20 ft20 ft tall and 400 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Ronning #1
The primary purpose of Ronning #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 State of Montana, D.n.r.c., T.l.m.d. (state). It impounds the Miles Creek near Miles City.
The dam stands 20 feet tall and stretches 400 feet across, and has a maximum storage capacity of 101 acre-feet. Completed in 1958, 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 | Custer |
| Nearest City | Miles City |
| River/Stream | Miles Creek |
| Coordinates | 46.10690, -106.00710 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 400 ft |
| Year Completed | 1958 (68 years old) |
Storage & Hydraulics
| NID Storage | 101 acre-ft |
| Max Storage | 101 acre-ft |
| Normal Storage | 53 acre-ft |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | State of Montana, D.n.r.c., T.l.m.d. |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT01667 |
| Federal ID | MT01667 |
| More Info | State Dam Safety Program |