Mt Carmel Dam Lake
Cavalier County, WisconsinMesotrophic
Mt Carmel Dam Lake is a 386-acre mesotrophic lake in Cavalier County, ND. Water quality is graded B based on 2 sampling years through 2025.
Source: EPA Water Quality Portal sampling records, local state DNR records, last sampled 2025-10-22. Grade methodology: LakeGrade methodology.
Swimming Safety
Good for swimming, clear water with low algae levels
Water Quality Grade: B, Good
Moderate clarity, visible to about 7.9 ft. Chlorophyll-a: 6.2 µg/L. Trophic State Index: 48.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 7.9 ft | C |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | 6.2 µg/L | B |
| Trophic State Index (TSI) | 48 | Mesotrophic |
Moderate nutrients, good water quality
Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 386 acres |
Location
County Ranking
Ranked #1 of 1 lakes in Cavalier County
Nearby Lakes in Cavalier County
More Wisconsin Lake Rankings
Other Grade B Lakes in Wisconsin
Mesotrophic Lakes in Wisconsin
Reservoir Info (USACE NID)
Mt Carmel Dam Lake is a man-made reservoir impounded by the Mount Carmel Dam (completed 1971), built primarily for recreation on the Little South Pembina River; earth-type dam, 47 ft tall and 650 ft long.
- Surface area
- 386 ac
- Normal storage
- 5,013 ac-ft
- Max storage
- 10,707 ac-ft
- Drainage area
- 72 sq mi
- Hazard class
- Significant
- Owner
- Cavalier County WRB
All listed purposes: Recreation;Water Supply.
Source: USACE National Inventory of Dams, NID ID ND00005 · Operator website · Matched by proximity (0.24 km)
Data Sources
Water quality data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2025-10-22
Monitoring stations: 1