How Clean Is Hennepin Lake?
Hennepin Lake is among the cleanest lakes in Minnesota. Its nutrient and algae readings come from EPA monitoring data. Water clarity (Secchi depth): 10 ft. Phosphorus: 15 µg/L. Chlorophyll-a (algae): 4.8 µg/L. Trophic State Index: 44.
Cleanliness Snapshot
| Metric | Hennepin Lake | Minnesota avg |
|---|---|---|
| Water Clarity (Secchi) | 10 ft | — |
| Phosphorus | 15 µg/L | <30 = clean |
| Chlorophyll-a (Algae) | 4.8 µg/L | <10 = clean |
| Trophic State Index | 44 | <50 = clean |
How does Hennepin Lake compare?
Hennepin Lake's readings match or beat the Minnesota state average. It ranks #53 of 68 lakes in Hubbard County on nutrient and algae readings.
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