Mader Pond is an earth dam located in Carlton County, Minnesota, built in 1971. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 22 ft22 ft tall and 392 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 Mader Pond
The primary purpose of Mader Pond is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by Mader, Hermon (private). It impounds the Net River-tr near Holyoke.
The dam stands 22 feet tall and stretches 392 feet across, has a maximum storage capacity of 98 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1971, 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 08/17/2016. That was over 10 years ago.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Minnesota |
| County | Carlton |
| Nearest City | Holyoke |
| River/Stream | Net River-tr |
| Coordinates | 46.44733, -92.39851 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 22 ft |
| Dam Height | 22 ft |
| Dam Length | 392 ft |
| Year Completed | 1971 (55 years old) |
Storage & Hydraulics
| NID Storage | 98 acre-ft |
| Max Storage | 98 acre-ft |
| Normal Storage | 17 acre-ft |
| Drainage Area | 1 sq mi |
| Max Discharge | 524 cfs |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Mader, Hermon |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 08/17/2016 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MN00832 |
| Federal ID | MN00832 |
| More Info | State Dam Safety Program |