Lake Hamilton is a mesotrophic lake in Garland County, Arkansas. Water quality is graded B based on 3 sampling years through 2019. Compared to the 10 other monitored lakes in Garland County, Lake Hamilton ranks #2 for water quality.
Source: EPA Water Quality Portal sampling records, Arkansas DNR, last sampled 2019-08-06. Grade methodology: LakeGrade methodology.
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Swimming Safety
Good for swimming, clear water with low algae levels
Water Quality Grade: B, Good
Good clarity, visible to about 11.9 ft. Phosphorus level: 22.5 µg/L. Chlorophyll-a: 7.4 µg/L. Trophic State Index: 47.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 11.9 ft | B |
| Phosphorus | 22.5 µg/L | B |
| Chlorophyll-a (Algae) | 7.4 µg/L | B |
| Trophic State Index (TSI) | 47 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Lake Hamilton
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Fishing Lake Hamilton
Location
County Ranking
Ranked #2 of 11 lakes in Garland County
Nearby Lakes in Garland County
Explore Lake Hamilton 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: 2019-08-06
Monitoring stations: 2