How Clean Is Lake Geode?
Lake Geode has very poor water quality and a high algae bloom risk. It received a water quality grade of F (Very Poor) based on EPA monitoring data. Water clarity (Secchi depth): 2.1 ft. Chlorophyll-a (algae): 30.5 µg/L. Trophic State Index: 65.
Cleanliness Snapshot
| Metric | Lake Geode | Wisconsin avg |
|---|---|---|
| Overall Grade | F | D |
| Water Clarity (Secchi) | 2.1 ft | — |
| Chlorophyll-a (Algae) | 30.5 µg/L | <10 = clean |
| Trophic State Index | 65 | <50 = clean |
How does Lake Geode compare?
Lake Geode's grade of F falls below the Wisconsin state average of D. It ranks #2 of 2 lakes in Des Moines County by water quality score.