Wio Lake
Wio Lake in Volusia County, Florida has a water quality grade of B (Good). Water clarity: 7.1 ft visibility. Phosphorus: 20 µg/L.
- Clarity
- 7.1 ft
- Type
- Mesotrophic
- Trend
- ↓ Declining
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Wio Lake is a mesotrophic lake in Volusia County, Florida. Water quality is graded B based on 1 sampling years through 2025. Overall water quality is declining over recent sampling years. Compared to the 29 other monitored lakes in Volusia County, Wio Lake ranks #11 for water quality.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2025-02-20. Grade methodology: LakeQuality methodology.
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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.
Good for swimming, clear water with low algae levels
Water Quality Grade: B (Good)
Moderate clarity, visible to about 7.1 ft. Phosphorus level: 20 µg/L. Trophic State Index: 48.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 7.1 ft | Not graded |
| Phosphorus | 20 µg/L | Good |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 48 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Wio Lake
Compare lakeside cabins, hotels, and vacation rentals near Wio 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.
Top-rated places to stay near Wio Lake
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Planning a whole trip? See where to stay at Florida’s top lakes →
Fishing Wio Lake
Water Quality Trend: ↓ Declining
Based on 5 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | → Stable | +0.02 m/yr | 5 |
| Phosphorus | ↓ Declining | +1.28 µg/L/yr | 5 |
EPA Impairment Status
Wio Lake is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 4C).
Causes of impairment
Source: EPA ATTAINS assessment unit FL2659A · Official waterbody report · Matched by proximity (0.17 km)
County Ranking
Ranked #11 of 30 lakes in Volusia County
Nearby Lakes in Volusia County
Frequently asked questions about Wio Lake
Where is Wio Lake?
- Wio 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 Wio Lake?
- Wio Lake in Volusia County, Florida has a water quality grade of B (Good). Water clarity: 7.1 ft visibility. Phosphorus: 20 µg/L.
Is Wio Lake safe to swim in?
- Good for swimming, clear water with low algae levels. Wio Lake has a water quality grade of B (Good). Always check local health department advisories before swimming.
Explore Wio Lake across LakeQuality
Planning a trip around Fort Matanzas?
Wio Lake is about 37 miles from Fort Matanzas National Monument. Crowds there swing hard by season, so the month you pick changes both how busy the park is and what lodging costs.
Best time to visit Fort Matanzas →More Florida Lake Rankings
Other Grade B Lakes in Florida
Mesotrophic Lakes in Florida
Where this data comes from
82 measurements from 1 monitoring station, 2020–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- St. Johns River Water Management District
21FLSJWM_WQX82 samples · 2020–2025
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.
Other records on this page
Impairment status from EPA ATTAINS 303(d) database