Merritt Reservoir is a highly nutrient-loaded hypereutrophic lake in Cherry County, Nebraska. Water quality is graded F based on 2 sampling years through 2024. Compared to the 6 other monitored lakes in Cherry County, Merritt Reservoir ranks #6 for water quality.
Source: EPA Water Quality Portal sampling records, Nebraska DNR, last sampled 2024-09-24. 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 2 ft of visibility. Phosphorus level: 147 µg/L. Chlorophyll-a: 94.2 µg/L. Trophic State Index: 73.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2 ft | F |
| Phosphorus | 147 µg/L | F |
| Chlorophyll-a (Algae) | 94.2 µg/L | F |
| Trophic State Index (TSI) | 73 | Hypereutrophic |
Very high nutrients, dense algae, poor clarity
Where to stay near Merritt Reservoir
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Fishing Merritt Reservoir
Location
County Ranking
Ranked #6 of 7 lakes in Cherry County
Nearby Lakes in Cherry County
Explore Merritt Reservoir 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: 2024-09-24
Monitoring stations: 3