Volusia-Molly Lake
Volusia-Molly Lake in Volusia County, Florida has a water quality grade of B (Good). Water clarity: 8 ft visibility. Phosphorus: 18.5 µg/L.
- Clarity
- 8 ft
- Type
- Mesotrophic
- Trend
- ↑ Improving
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Volusia-Molly Lake is a mesotrophic lake in Volusia County, Florida. Water quality is graded B based on 1 sampling years through 2024. Overall water quality is improving over recent sampling years. Compared to the 29 other monitored lakes in Volusia County, Volusia-Molly Lake ranks #12 for water quality.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2024-11-14. Grade methodology: LakeQuality methodology.
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Swimming Safety
Grade onlyLimited data
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.
Good for swimming, clear water with low algae levels
Water Quality Grade: B (Good)
Moderate clarity, visible to about 8 ft. Phosphorus level: 18.5 µg/L. Trophic State Index: 47.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 8 ft | Not graded |
| Phosphorus | 18.5 µg/L | Good |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 47 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Volusia-Molly Lake
Compare lakeside cabins, hotels, and vacation rentals near Volusia-Molly Lake in Volusia County, Florida — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.
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Fishing Volusia-Molly Lake
Water Quality Trend: ↑ Improving
Based on 3 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↑ Improving | +1 m/yr | 3 |
| Phosphorus | ↑ Improving | -6 µg/L/yr | 3 |
County Ranking
Ranked #12 of 30 lakes in Volusia County
Nearby Lakes in Volusia County
Frequently asked questions about Volusia-Molly Lake
Where is Volusia-Molly Lake?
- Volusia-Molly Lake is a lake in Volusia County, Florida. LakeQuality grades it B for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Volusia-Molly Lake?
- Volusia-Molly Lake in Volusia County, Florida has a water quality grade of B (Good). Water clarity: 8 ft visibility. Phosphorus: 18.5 µg/L.
Is Volusia-Molly Lake safe to swim in?
- Good for swimming, clear water with low algae levels. Volusia-Molly Lake has a water quality grade of B (Good). Always check local health department advisories before swimming.
Explore Volusia-Molly Lake across LakeQuality
More Florida Lake Rankings
Other Grade B Lakes in Florida
Mesotrophic Lakes in Florida
Where this data comes from
37 measurements from 3 monitoring stations, 2020–2024. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- FLORIDA LAKEWATCH
21FLKWAT_WQX37 samples · 2020–2024
Monitoring station identifiers (3)
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.