Eucha Lake is a productive, nutrient-rich eutrophic lake in Delaware County, Oklahoma. Water quality is graded C based on 1 sampling years through 2024. Compared to the 1 other monitored lakes in Delaware County, Eucha Lake ranks #1 for water quality.
Source: EPA Water Quality Portal sampling records, Oklahoma DNR, last sampled 2024-09-24. 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 3.1 ft of visibility. Phosphorus level: 48 µg/L. Trophic State Index: 60.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 3.1 ft | D |
| Phosphorus | 48 µg/L | C |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 60 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Eucha Lake
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Fishing Eucha Lake
Location
County Ranking
Ranked #1 of 2 lakes in Delaware County
Nearby Lakes in Delaware County
Explore Eucha Lake across LakeGrade
More Oklahoma Lake Rankings
Other Grade C Lakes in Oklahoma
Eutrophic Lakes in Oklahoma
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: 8