Dry Hollow
Dry Hollow is an earth dam located in Madison County, Montana, built in 1999. It carries a Low hazard potential classification.
About Dry Hollow
The primary purpose of Dry Hollow is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by David Maichel (private). It impounds the Dry Hollow Creek near Harrison.
The dam stands 25 feet tall and stretches 550 feet across, creates a reservoir covering 7 acres, and has a maximum storage capacity of 41 acre-feet. Completed in 1999, the structure is 27 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 | Madison |
| Nearest City | Harrison |
| River/Stream | Dry Hollow Creek |
| Coordinates | 45.67361, -111.75303 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 550 ft |
| Year Completed | 1999 (27 years old) |
Storage & Hydraulics
| NID Storage | 41 acre-ft |
| Max Storage | 41 acre-ft |
| Normal Storage | 41 acre-ft |
| Surface Area | 7 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | DAVID MAICHEL |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT03847 |
| Federal ID | MT03847 |
| More Info | State Dam Safety Program |