Swanson Reservoir is a productive, nutrient-rich eutrophic lake in Hitchcock County, Nebraska. Water quality is graded C based on 2 sampling years through 2024.
Source: EPA Water Quality Portal sampling records, Nebraska DNR, last sampled 2024-09-17. Grade methodology: LakeGrade methodology.
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Swimming Safety
Generally safe for swimming, moderate water quality
Water Quality Grade: C, Fair
Very murky, less than 2.6 ft of visibility. Phosphorus level: 90 µg/L. Chlorophyll-a: 7.1 µg/L. Trophic State Index: 61.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2.6 ft | F |
| Phosphorus | 90 µg/L | D |
| Chlorophyll-a (Algae) | 7.1 µg/L | C |
| Trophic State Index (TSI) | 61 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Swanson Reservoir
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Fishing Swanson Reservoir
Location
County Ranking
Ranked #1 of 1 lakes in Hitchcock County
Cleaner Lakes Within 30 Miles
Swanson Reservoir holds Grade C. 2 nearby lakes hold higher grades.
- CHugh Butler LakeFrontier County · 25.6 mi · Higher overall water quality score
- CEnders ReservoirChase County · 29.8 mi · Higher overall water quality score
Nearby Lakes in Hitchcock County
Explore Swanson Reservoir across LakeGrade
More Nebraska Lake Rankings
Other Grade C Lakes in Nebraska
Eutrophic 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: 2024-09-17
Monitoring stations: 1