Is Lake of the Hills Safe for Swimming?
Lake of the Hills in Scott County, Iowa has a water quality grade of C (Fair). Swim with caution, moderate algae may be present. Water clarity: 5.1 ft visibility. Phosphorus: 53 µg/L. Chlorophyll-a (algae): 16.8 µg/L. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Overall Grade | C (Fair) |
| Water Clarity (Secchi Depth) | 5.1 ft |
| Phosphorus | 53 μg/L |
| Chlorophyll-a (Algae) | 16.8 μg/L |
| Location | Scott County, Iowa |
How does Lake of the Hills compare?
With an overall water quality grade of C, Lake of the Hills matches or beats the Iowa state average of Grade D. It ranks #4 of 5 lakes in Scott County by water quality score.
Water clarity (Secchi depth) sits at 5.1 feet. That falls into moderate clarity — typical for lakes with some nutrient enrichment. Algae levels (chlorophyll-a) measure 16.8 µg/L — moderate; acceptable for swimming on most days, but worth checking advisories.
Watch Lake of the Hills water quality
Get an email when the grade, clarity, or algae reading changes. Unsubscribe anytime.