Danw Lake
Wilcox County, AlabamaView mapDirections
Clarity, phosphorus, and algae sit in the clean band for this region.
↑ up from C at the last regrade
- Eutrophic
- #3 of 3 in the county
- Public access
Danw Lake in Wilcox County, Alabama has a water quality grade of B (Good). Water clarity: 2.9 ft visibility. Phosphorus: 27 µg/L. Chlorophyll-a (algae): 8.7 µg/L.
- Clarity
- 2.9 ft
- Type
- Eutrophic
- Phosphorus
- 27 µg/L
- Chlorophyll-a
- 8.7 µg/L
- Trend
- → Stable
- Public access
- Yes
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Stays near Danw Lake
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Watch Danw Lake’s letter
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Danw Lake is a productive, nutrient-rich eutrophic lake in Wilcox County, Alabama. Water quality is graded B based on 2 sampling years through 2023. Phosphorus level is improving over recent sampling years. Limited fish-species data available. Public access is available. Compared to the 2 other monitored lakes in Wilcox County, Danw Lake ranks #3 for water quality.
Source: EPA Water Quality Portal sampling records, ADEM, last sampled 2023-10-18. Grade methodology: LakeQuality methodology.
Swimming Safety
Grade onlyLow algae
Based on clarity and algae grades from past sampling — we do not hold live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
The B is nutrients and algae, not a swimming clearance. Check local advisories before you swim.
Water Quality Grade: B (Good)
Very murky, less than 2.9 ft of visibility. Phosphorus 27 µg/L. Chlorophyll-a 8.7 µg/L. TSI 55. The letter is not a swimming clearance.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2.9 ft | Not graded |
| Phosphorus | 27 µg/L | Good |
| Chlorophyll-a (Algae) | 8.7 µg/L | Good |
| Trophic State Index (TSI) | 55 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Fishing Danw Lake
Water Quality Trend: → Stable
Based on 5 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | → Stable | -0.012 m/yr | 5 |
| Phosphorus | ↑ Improving | -1.74 µg/L/yr | 5 |
| Chlorophyll-a | ↓ Declining | +0.67 µg/L/yr | 5 |
County Ranking
Ranked #3 of 3 lakes in Wilcox County
Nearby Lakes With Higher Grades
Danw Lake holds Grade B. One nearby lake has a higher nutrient-and-algae grade — useful for a swim day, not a reason to skip lodging here.
See full comparison →Nearby Lakes in Wilcox County
Frequently asked questions about Danw Lake
Where is Danw Lake?
- Danw Lake is a lake in Wilcox County, Alabama. LakeQuality grades it B for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Danw Lake?
- Danw Lake in Wilcox County, Alabama has a water quality grade of B (Good). Water clarity: 2.9 ft visibility. Phosphorus: 27 µg/L. Chlorophyll-a (algae): 8.7 µg/L.
Is Danw Lake safe to swim in?
- The B is nutrients and algae, not a swimming clearance. Check local advisories before you swim.
Explore Danw Lake across LakeQuality
More Alabama Lake Rankings
Other Grade B Lakes in Alabama
Where this data comes from
133 measurements from 1 monitoring station, 2013–2023. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- ALABAMA DEPT. OF ENVIRONMENTAL MANAGEMENT - WATER QUALITY DATA
21AWIC133 samples · 2013–2023
Analytical methods
- Phosphorus by Colorimetry
- 10200 H ~ Chlorophyll a-b-c Determination
- 2120 B ~ Color in Water by Visual Comparison
Monitoring station identifiers (1)
Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See how grades are calculated and data sources.