Danw Lake is a productive, nutrient-rich eutrophic lake in Dallas County, Alabama. Water quality is graded C based on 2 sampling years through 2026. Compared to the 1 other monitored lakes in Dallas County, Danw Lake ranks #1 for water quality.
Source: EPA Water Quality Portal sampling records, Alabama DNR, last sampled 2026-04-22. 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: 31 µg/L. Chlorophyll-a: 7.3 µg/L. Trophic State Index: 55.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 3.1 ft | D |
| Phosphorus | 31 µg/L | C |
| Chlorophyll-a (Algae) | 7.3 µg/L | C |
| Trophic State Index (TSI) | 55 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Danw Lake
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Fishing Danw Lake
Location
County Ranking
Ranked #1 of 2 lakes in Dallas County
Cleaner Lakes Within 30 Miles
Danw Lake holds Grade C. One nearby lake has a higher grade.
See full comparison →Nearby Lakes in Dallas County
Explore Danw Lake across LakeGrade
More Alabama Lake Rankings
Other Grade C Lakes in Alabama
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: 2026-04-22
Monitoring stations: 1