Amsterdam Slough is a gravity dam located in Burnett County, Wisconsin, built in 1968. It carries a Significant hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 14 ft14 ft tall and 5,400 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 Amsterdam Slough
Amsterdam Slough is a dam in Burnett, Wisconsin. The dam is owned by Wisconsin Department of Natural Resources (state). It impounds the Black Brook.
The dam stands 14 feet tall and stretches 5,400 feet across, creates a reservoir covering 473 acres, has a maximum storage capacity of 3,000 acre-feet, and collects water from a drainage area of 6 square miles. Completed in 1968, the structure is well into its service life at over 50 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in 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. An emergency action plan is in place for this dam. The most recent inspection on record was 10/02/2019.
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Location
| State | Wisconsin |
| County | Burnett |
| Nearest City | None |
| River/Stream | Black Brook |
| Coordinates | 45.84380, -92.44794 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 14 ft |
| Dam Height | 14 ft |
| Dam Length | 5,400 ft |
| Year Completed | 1968 (58 years old) |
Storage & Hydraulics
| NID Storage | 3,000 acre-ft |
| Max Storage | 3,000 acre-ft |
| Normal Storage | 2,000 acre-ft |
| Surface Area | 473 acres |
| Drainage Area | 6 sq mi |
| Max Discharge | 1,160 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Other |
| Owner | Wisconsin Department of Natural Resources |
| Owner Type | State |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 10/02/2019 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | WI00449 |
| Federal ID | WI00449 |
| More Info | State Dam Safety Program |