Lake Andes
Charles Mix County, WisconsinLimited DataEutrophic
Lake Andes is a productive, nutrient-rich eutrophic lake in Charles Mix County, SD. Water quality is graded D based on 1 sampling years through 2023. Compared to the 1 other monitored lakes in Charles Mix County, Lake Andes ranks #2 for water quality.
Source: EPA Water Quality Portal sampling records, local state DNR records, last sampled 2023-10-31. Grade methodology: LakeGrade methodology.
Swimming Safety
Swimming not recommended, poor water quality with high algae risk
Water Quality Grade: D, Poor
No clarity data. Phosphorus level: 80 µg/L. Trophic State Index: 67.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No data | |
| Phosphorus | 80 µg/L | D |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 67 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Location
County Ranking
Ranked #2 of 2 lakes in Charles Mix County
Cleaner Lakes Within 30 Miles
Lake Andes holds Grade D. 2 nearby lakes hold higher grades.
- BFtrlk0880a LakeCharles Mix County · 5 mi · Two grade letters higher (D → B)
- CFtrlk0911dw LakeGregory County · 25.2 mi · Higher grade (D → C)
Nearby Lakes in Charles Mix County
More Wisconsin Lake Rankings
Other Grade D Lakes in Wisconsin
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: 2023-10-31
Monitoring stations: 1