Streeter is an earth dam located in Johnson County, Wyoming, built in 1951. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 32 ft32 ft tall and 700 ft long, taller than 74% of U.S. dams with a recorded height. 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 Streeter
The primary purpose of Streeter is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Es Land & Livestock, LLC (private). It impounds the Little Willow Creek near Arvada.
The dam stands 32 feet tall and stretches 700 feet across, creates a reservoir covering 36 acres, and has a maximum storage capacity of 536 acre-feet. Completed in 1951, 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. 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 05/05/2021.
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Location
| State | Wyoming |
| County | Johnson |
| Nearest City | Arvada |
| River/Stream | Little Willow Creek |
| Coordinates | 43.79730, -106.13140 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 32 ft |
| Dam Height | 32 ft |
| Dam Length | 700 ft |
| Year Completed | 1951 (75 years old) |
Storage & Hydraulics
| NID Storage | 536 acre-ft |
| Max Storage | 536 acre-ft |
| Normal Storage | 323 acre-ft |
| Surface Area | 36 acres |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Es Land & Livestock, LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 05/05/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY00996 |
| Federal ID | WY00996 |
| More Info | State Dam Safety Program |