How Clean Is Lake Audubon?
Lake Audubon is a clean lake by North Dakota standards. Its nutrient and algae readings come from EPA monitoring data. Water clarity (Secchi depth): 4.7 ft. Phosphorus: 31 µg/L. Chlorophyll-a (algae): 4.7 µg/L. Trophic State Index: 51.
Cleanliness Snapshot
| Metric | Lake Audubon | North Dakota avg |
|---|---|---|
| Water Clarity (Secchi) | 4.7 ft | — |
| Phosphorus | 31 µg/L | <30 = clean |
| Chlorophyll-a (Algae) | 4.7 µg/L | <10 = clean |
| Trophic State Index | 51 | <50 = clean |
How does Lake Audubon compare?
Lake Audubon's readings match or beat the North Dakota state average. It ranks #2 of 3 lakes in McLean County on nutrient and algae readings.
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