F
Preston Lake
Renville County, Minnesota
Water Quality Grade: F — Very Poor
Murky — only visible to about 5.0 feet. Phosphorus level: 222 µg/L. Chlorophyll-a: 44.1 µg/L.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 1.51 m | D |
| Phosphorus | 222 µg/L | F |
| Chlorophyll-a (Algae) | 44.1 µg/L | F |
County Ranking
Ranked #1 of 2 lakes in Renville County
Data Sources
Data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2024-09-16
Monitoring stations: 1