Loto Lake
Morgan County, WisconsinEutrophic
Loto Lake is a productive, nutrient-rich eutrophic lake in Morgan County, MO. Water quality is graded D based on 3 sampling years through 2023. Compared to the 37 other monitored lakes in Morgan County, Loto Lake ranks #37 for water quality.
Source: EPA Water Quality Portal sampling records, local state DNR records, last sampled 2023-06-15. Grade methodology: LakeGrade methodology.
Swimming Safety
Swimming not recommended, poor water quality with high algae risk
Water Quality Grade: D, Poor
Very murky, less than 3 ft of visibility. Phosphorus level: 43 µg/L. Chlorophyll-a: 32 µg/L. Trophic State Index: 61.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 3 ft | F |
| Phosphorus | 43 µg/L | C |
| Chlorophyll-a (Algae) | 32 µg/L | F |
| Trophic State Index (TSI) | 61 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Location
County Ranking
Ranked #37 of 38 lakes in Morgan County
Cleaner Lakes Within 30 Miles
Loto Lake holds Grade D. 5 nearby lakes hold higher grades.
- BLoto Confluence of Gravois And Indian Creek LakeMorgan County · 3.4 mi · Two grade letters higher (D → B)
- BGrav Arm 2 LakeMorgan County · 2.1 mi · Two grade letters higher (D → B)
- BGrav Arm 5 LakeMorgan County · 3.4 mi · Two grade letters higher (D → B)
- CGrav Arm 1 LakeMorgan County · 1.1 mi · Higher grade (D → C)
- CGrav If 6 LakeMorgan County · 3.2 mi · Higher grade (D → C)
Nearby Lakes in Morgan County
More Wisconsin Lake Rankings
Other Grade D Lakes in Wisconsin
St. Louis city County · Clarity: 2.3 ft
Shelby County · Clarity: 3.2 ft
Macon County · Clarity: 1.8 ft
Harrison County · Clarity: 1.7 ft
Stone County · Clarity: 2.3 ft
Knox County · Clarity: 2.1 ft
Eutrophic Lakes in Wisconsin
Data Sources
Water quality data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2023-06-15
Monitoring stations: 1