Kopp is an earth dam located in Marathon County, Wisconsin, built in 1967. It carries a Low hazard potential classification.
Dam profile
NID height · 15 ft15 ft tall and 1,120 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 Kopp
Kopp is a dam in Marathon, Wisconsin. The dam is owned by Mullins Cheese, Inc.;zirbel, Paul (private). It impounds the Tr-little Eau Pleine River.
The dam stands 15 feet tall and stretches 1,120 feet across, creates a reservoir covering 7 acres, has a maximum storage capacity of 50 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1967, 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. The most recent inspection on record was 11/16/2020.
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Location
| State | Wisconsin |
| County | Marathon |
| Nearest City | None |
| River/Stream | Tr-little Eau Pleine River |
| Coordinates | 44.75758, -90.11326 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 1,120 ft |
| Year Completed | 1967 (59 years old) |
Storage & Hydraulics
| NID Storage | 50 acre-ft |
| Max Storage | 50 acre-ft |
| Normal Storage | 20 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 130 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner | Mullins Cheese, Inc.;zirbel, Paul |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 11/16/2020 |
| Emergency Action Plan | No |
Identifiers
| NID ID | WI01150 |
| Federal ID | WI01150 |
| More Info | State Dam Safety Program |