Is Pleasant Creek Lake Safe for Swimming?
Pleasant Creek Lake in Linn County, Iowa 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: 3.6 ft visibility. Phosphorus: 38 µg/L. Chlorophyll-a (algae): 26.5 µg/L. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Water Clarity (Secchi Depth) | 3.6 ft |
| Phosphorus | 38 μg/L |
| Chlorophyll-a (Algae) | 26.5 μg/L |
| Location | Linn County, Iowa |
How does Pleasant Creek Lake compare?
On nutrient and algae readings, Pleasant Creek Lake matches or beats the Iowa state average. It ranks #1 of 2 lakes in Linn County on nutrient and algae readings.
Water clarity (Secchi depth) sits at 3.6 feet. That falls into moderate clarity — typical for lakes with some nutrient enrichment. Algae levels (chlorophyll-a) measure 26.5 µg/L — elevated; risk of harmful algal bloom advisories increases at this concentration.
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