Lake C W Mcconaughy is a productive, nutrient-rich eutrophic lake in Keith County, Nebraska. Water quality is graded B based on 2 sampling years through 2024. Compared to the 1 other monitored lakes in Keith County, Lake C W Mcconaughy ranks #1 for water quality.
Source: EPA Water Quality Portal sampling records, Nebraska DNR, last sampled 2024-09-18. Grade methodology: LakeGrade methodology.
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Swimming Safety
Good for swimming, clear water with low algae levels
Water Quality Grade: B, Good
Moderate clarity, visible to about 7.2 ft. Phosphorus level: 56.6 µg/L. Chlorophyll-a: 5.3 µg/L. Trophic State Index: 53.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 7.2 ft | C |
| Phosphorus | 56.6 µg/L | C |
| Chlorophyll-a (Algae) | 5.3 µg/L | B |
| Trophic State Index (TSI) | 53 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Lake C W Mcconaughy
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Fishing Lake C W Mcconaughy
Location
County Ranking
Ranked #1 of 2 lakes in Keith County
Nearby Lakes in Keith County
Explore Lake C W Mcconaughy across LakeGrade
More Nebraska Lake Rankings
Other Grade B 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: 2024-09-18
Monitoring stations: 3