Goodian, Howard is an earth dam located in Hill County, Montana, built in 1947. It carries a Low hazard potential classification.
Dam profile
NID height · 20 ft20 ft tall and 600 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 Goodian, Howard
The primary purpose of Goodian, Howard is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Harold Michels (private). It impounds the Sage Creek near Havre.
The dam stands 20 feet tall and stretches 600 feet across, has a maximum storage capacity of 446 acre-feet, and collects water from a drainage area of 1,012 square miles. Completed in 1947, the structure is well-established, with more than 75 years of service.
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 | Hill |
| Nearest City | Havre |
| River/Stream | Sage Creek |
| Coordinates | 48.41200, -110.06180 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 600 ft |
| Year Completed | 1947 (79 years old) |
Storage & Hydraulics
| NID Storage | 446 acre-ft |
| Max Storage | 446 acre-ft |
| Normal Storage | 188 acre-ft |
| Drainage Area | 1,012 sq mi |
| Max Discharge | 280 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Harold Michels |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT00247 |
| Federal ID | MT00247 |
| More Info | State Dam Safety Program |