Crescent Lake is a highly nutrient-loaded hypereutrophic lake in Garden County, Nebraska. Water quality is graded F based on 2 sampling years through 2024. Compared to the 4 other monitored lakes in Garden County, Crescent Lake ranks #5 for water quality.
Source: EPA Water Quality Portal sampling records, Nebraska DNR, last sampled 2024-08-20. Grade methodology: LakeGrade methodology.
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Swimming Safety
Avoid swimming, very poor water quality, potential algae toxins
Water Quality Grade: F, Very Poor
Very murky, less than 0.8 ft of visibility. Phosphorus level: 132.5 µg/L. Chlorophyll-a: 118.4 µg/L. Trophic State Index: 77.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 0.8 ft | F |
| Phosphorus | 132.5 µg/L | F |
| Chlorophyll-a (Algae) | 118.4 µg/L | F |
| Trophic State Index (TSI) | 77 | Hypereutrophic |
Very high nutrients, dense algae, poor clarity
Where to stay near Crescent Lake
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Fishing Crescent Lake
Location
County Ranking
Ranked #5 of 5 lakes in Garden County
Cleaner Lakes Within 30 Miles
Crescent Lake holds Grade F. 3 nearby lakes hold higher grades.
- CNla LakeGarden County · 21 mi · Two grade letters higher (F → C)
- DNla LakeGarden County · 8 mi · Higher grade (F → D)
- DNla LakeSheridan County · 21.5 mi · Higher grade (F → D)
Nearby Lakes in Garden County
Explore Crescent Lake across LakeGrade
More Nebraska Lake Rankings
Other Grade F Lakes in Nebraska
Hypereutrophic Lakes in Nebraska
More records, surveys & data sources
Data Sources
Water quality data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2024-08-20
Monitoring stations: 2