D
Ann Lake
Pope County, Minnesota
Water Quality Grade: D — Poor
Moderate clarity — visible to about 8.4 feet. Phosphorus level: 496.5 µg/L.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2.55 m | C |
| Phosphorus | 496.5 µg/L | F |
| Chlorophyll-a (Algae) | No data |
County Ranking
Ranked #17 of 26 lakes in Pope County
Data Sources
Data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2024-09-15
Monitoring stations: 1