Lake Ann is a mesotrophic lake in Benton County, Arkansas. Water quality is graded B based on 2 sampling years through 2016. Compared to the 13 other monitored lakes in Benton County, Lake Ann ranks #3 for water quality.
Source: EPA Water Quality Portal sampling records, Arkansas DNR, last sampled 2016-05-23. Grade methodology: LakeGrade methodology.
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Swimming Safety
Good for swimming, clear water with low algae levels
Water Quality Grade: B, Good
No clarity data. Phosphorus level: 27 µg/L. Chlorophyll-a: 5.8 µg/L. Trophic State Index: 50.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No data | |
| Phosphorus | 27 µg/L | B |
| Chlorophyll-a (Algae) | 5.8 µg/L | B |
| Trophic State Index (TSI) | 50 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Lake Ann
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Fishing Lake Ann
Location
County Ranking
Ranked #3 of 14 lakes in Benton County
Nearby Lakes in Benton County
Explore Lake Ann across LakeGrade
More Arkansas Lake Rankings
Other Grade B Lakes in Arkansas
Mesotrophic Lakes in Arkansas
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: 2016-05-23
Monitoring stations: 1