How Clean Is Lake Richie?
Lake Richie is a clean lake by Michigan standards. Its nutrient and algae readings come from EPA monitoring data. Water clarity (Secchi depth): 9.2 ft. Phosphorus: 16.1 µg/L. Trophic State Index: 45.
Cleanliness Snapshot
| Metric | Lake Richie | Michigan avg |
|---|---|---|
| Water Clarity (Secchi) | 9.2 ft | — |
| Phosphorus | 16.1 µg/L | <30 = clean |
| Trophic State Index | 45 | <50 = clean |
How does Lake Richie compare?
Lake Richie's readings match or beat the Michigan state average. It ranks #4 of 11 lakes in Keweenaw County on nutrient and algae readings. Multi-year monitoring data shows water quality is declining based on 9 years of records.
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