White Earth Dam Lake
Mountrail County, WisconsinEutrophic
White Earth Dam Lake is a 160-acre productive, nutrient-rich eutrophic lake in Mountrail County, ND. Water quality is graded C based on 2 sampling years through 2024. Compared to the 4 other monitored lakes in Mountrail County, White Earth Dam Lake ranks #2 for water quality.
Source: EPA Water Quality Portal sampling records, local state DNR records, last sampled 2024-10-03. Grade methodology: LakeGrade methodology.
Swimming Safety
Generally safe for swimming, moderate water quality
Water Quality Grade: C, Fair
Very murky, less than 3 ft of visibility. Chlorophyll-a: 3.5 µg/L. Trophic State Index: 52.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 3 ft | F |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | 3.5 µg/L | A |
| Trophic State Index (TSI) | 52 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 160.2 acres |
Location
County Ranking
Ranked #2 of 5 lakes in Mountrail County
Cleaner Lakes Within 30 Miles
White Earth Dam Lake holds Grade C. One nearby lake has a higher grade.
See full comparison →Nearby Lakes in Mountrail County
More Wisconsin Lake Rankings
Other Grade C Lakes in Wisconsin
Eutrophic Lakes in Wisconsin
Reservoir Info (USACE NID)
White Earth Dam Lake is a man-made reservoir impounded by the White Earth Dam (completed 1970), built primarily for recreation on the White Earth River; earth-type dam, 46 ft tall and 1,360 ft long.
- Surface area
- 160.2 ac
- Normal storage
- 1,553.7 ac-ft
- Max storage
- 4,239 ac-ft
- Drainage area
- 280 sq mi
- Hazard class
- High
- Owner
- Mountrail County WRB
Source: USACE National Inventory of Dams, NID ID ND00034 · Operator website
Data Sources
Water quality data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2024-10-03
Monitoring stations: 1