Is Montrose Lake Safe for Swimming?
Montrose Lake in Henry County, Missouri has nutrient and algae measurements on record from state and federal monitoring. Chlorophyll-a in the monitoring record runs high enough that algae is a factor. 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: 0.6 ft visibility. Phosphorus: 266 µg/L. Chlorophyll-a (algae): 61.9 µg/L. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Water Clarity (Secchi Depth) | 0.6 ft |
| Phosphorus | 266 μg/L |
| Chlorophyll-a (Algae) | 61.9 μg/L |
| Location | Henry County, Missouri |
How does Montrose Lake compare?
On nutrient and algae readings, Montrose Lake runs above the Missouri state average. It ranks #1 of 1 lakes in Henry County on nutrient and algae readings.
Water clarity (Secchi depth) sits at 0.6 feet. That signals heavy algae or sediment, often tied to high phosphorus from runoff. Algae levels (chlorophyll-a) measure 61.9 µg/L — elevated; risk of harmful algal bloom advisories increases at this concentration.
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