Howley is an earth dam located in Trempealeau County, Wisconsin, built in 1974. It carries a Low hazard potential classification.
Dam profile
NID height · 33 ft33 ft tall and 400 ft long, taller than 76% 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 Howley
Howley is a dam in Trempealeau, Wisconsin. The dam is owned by Donald Howley (private). It impounds the Tr Turton Creek.
The dam stands 33 feet tall and stretches 400 feet across, and has a maximum storage capacity of 40 acre-feet. Completed in 1974, 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.
At 33 feet, this dam is taller than 76% of dams nationwide.
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Location
| State | Wisconsin |
| County | Trempealeau |
| Nearest City | None |
| River/Stream | Tr Turton Creek |
| Coordinates | 44.26751, -91.36476 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 33 ft |
| Dam Height | 33 ft |
| Dam Length | 400 ft |
| Year Completed | 1974 (52 years old) |
Storage & Hydraulics
| NID Storage | 40 acre-ft |
| Max Storage | 40 acre-ft |
| Normal Storage | 25 acre-ft |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner | Donald Howley |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WI00912 |
| Federal ID | WI00912 |
| More Info | State Dam Safety Program |