Walter Miller No.1 is an earth dam located in Ziebach County, South Dakota, built in 1961. It carries a Low hazard potential classification.
Dam profile
NID height · 21 ft21 ft tall and 70 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 Walter Miller No.1
The primary purpose of Walter Miller No.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 Delbert W. Miller (private). It impounds the Tr-cheyenne.
The dam stands 21 feet tall and stretches 70 feet across, and has a maximum storage capacity of 72 acre-feet. 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 | South Dakota |
| County | Ziebach |
| Nearest City | None |
| River/Stream | Tr-cheyenne |
| Coordinates | 44.94499, -101.56999 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 21 ft |
| Dam Height | 21 ft |
| Dam Length | 70 ft |
| Year Completed | 1961 (65 years old) |
Storage & Hydraulics
| NID Storage | 72 acre-ft |
| Max Storage | 72 acre-ft |
| Normal Storage | 25 acre-ft |
| Max Discharge | 1,680 cfs |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Delbert W. Miller |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD01213 |
| Federal ID | SD01213 |
| More Info | State Dam Safety Program |