Is Bowman-Haley Dam Lake Safe for Swimming?
Bowman-Haley Dam Lake in Bowman County, North Dakota has nutrient and algae measurements on record from state and federal monitoring. A water-quality reading is not a swimming clearance. The state water agency and county health departments post current advisories; check them before you swim.. Water clarity: 3.9 ft visibility. Phosphorus: 96.5 µg/L. Chlorophyll-a (algae): 13.2 µg/L. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Water Clarity (Secchi Depth) | 3.9 ft |
| Phosphorus | 96.5 μg/L |
| Chlorophyll-a (Algae) | 13.2 μg/L |
| Location | Bowman County, North Dakota |
How does Bowman-Haley Dam Lake compare?
On nutrient and algae readings, Bowman-Haley Dam Lake runs above the North Dakota state average. It ranks #4 of 4 lakes in Bowman County on nutrient and algae readings.
Water clarity (Secchi depth) sits at 3.9 feet. That falls into moderate clarity — typical for lakes with some nutrient enrichment. Algae levels (chlorophyll-a) measure 13.2 µg/L — moderate; acceptable for swimming on most days, but worth checking advisories.
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