Plzett Dam is an earth dam located in Sioux County, Nebraska, built in 1929. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 18 ft18 ft tall and 960 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 Plzett Dam
The primary purpose of Plzett Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Stewart's Monroe Creek Ranch LLC (private). It impounds the Tr-prairie Dog Creek near Ardmore Sd.
The dam stands 18 feet tall and stretches 960 feet across, creates a reservoir covering 12 acres, and has a maximum storage capacity of 140 acre-feet. Completed in 1929, 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. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 08/27/2019.
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Location
| State | Nebraska |
| County | Sioux |
| Nearest City | Ardmore Sd |
| River/Stream | Tr-prairie Dog Creek |
| Coordinates | 42.80792, -103.86349 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 960 ft |
| Year Completed | 1929 (97 years old) |
Storage & Hydraulics
| NID Storage | 140 acre-ft |
| Max Storage | 140 acre-ft |
| Normal Storage | 67 acre-ft |
| Surface Area | 12 acres |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Stewart's Monroe Creek Ranch LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 08/27/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE01086 |
| Federal ID | NE01086 |
| More Info | State Dam Safety Program |