Little Yellow 25 is a gravity dam located in Juneau County, Wisconsin, built in 1935. It carries a Low hazard potential classification.
Dam profile
NID height · 9 ft9 ft tall and 52 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic concrete gravity section and the water level is illustrative.
About Little Yellow 25
The primary purpose of Little Yellow 25 is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Wisconsin Department of Natural Resources (state). It impounds the West Branch Little Yellow near Meadow Valley.
The dam stands 9 feet tall and stretches 52 feet across, creates a reservoir covering 30 acres, has a maximum storage capacity of 130 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1935, 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. An emergency action plan is in place for this dam. The most recent inspection on record was 07/16/2008. That was over 18 years ago.
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Location
| State | Wisconsin |
| County | Juneau |
| Nearest City | Meadow Valley |
| River/Stream | West Branch Little Yellow |
| Coordinates | 44.22100, -90.21937 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 9 ft |
| Dam Height | 9 ft |
| Dam Length | 52 ft |
| Year Completed | 1935 (91 years old) |
Storage & Hydraulics
| NID Storage | 130 acre-ft |
| Max Storage | 130 acre-ft |
| Normal Storage | 70 acre-ft |
| Surface Area | 30 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 1,259 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Wisconsin Department of Natural Resources |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 07/16/2008 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | WI00579 |
| Federal ID | WI00579 |
| More Info | State Dam Safety Program |