Kenansvill Lake
Kenansvill Lake in Indian River County, Florida has a water quality grade of D (Nutrient-rich). Water clarity: 2 ft visibility. Phosphorus: 70 µg/L.
- Clarity
- 2 ft
- Typical in September
- 83°F
- Type
- Eutrophic
- Trend
- ↓ Declining
- Public access
- Yes
Grade D measures nutrients and algae, not whether this is a good place for a cabin trip. Cabins and rentals near Kenansvill Lake →
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Kenansvill Lake is a productive, nutrient-rich eutrophic lake in Indian River County, Florida. Water quality is graded D based on 1 sampling years through 2023. Overall water quality is declining over recent sampling years. Limited fish-species data available. Public access is available with 1 public boat landing. Compared to the 8 other monitored lakes in Indian River County, Kenansvill Lake ranks #9 for water quality.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2023-10-26. Grade methodology: LakeQuality methodology.
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Swimming Safety
Grade onlyBacteria A
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.
Based on E. coli testing, Kenansvill Lake never exceeded the EPA safe-swimming threshold (235 MPN/100mL) — on 0% of 5 samples across 2 seasons.
This is a historical summary of past testing, not a current condition — bacteria levels change quickly, especially after rain. Always check Florida’s current beach and health-department advisories before swimming.
Water Quality Grade: D (Nutrient-rich)
Very murky, less than 2 ft of visibility. Phosphorus level: 70 µg/L. Trophic State Index: 66.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2 ft | Not graded |
| Phosphorus | 70 µg/L | Poor |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 66 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Kenansvill Lake
Compare lakeside cabins, hotels, and vacation rentals near Kenansvill Lake in Indian River 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. The water-quality grade measures nutrients and algae, not lodging — cabins and rentals around Kenansvill Lake are listed below.
Top-rated places to stay near Kenansvill Lake
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Planning a whole trip? See where to stay at Florida’s top lakes →
Water Temperature
Kenansvill Lake typically sits around 83°F at the surface in September. Summer average is about 86°F. Usually warmest in Jun (about 86°F) and coldest in Mar (about 74°F). These are typical values by month — not a live reading.
Typical surface water temperature by month, from 19 field readings (2010–2023) via the EPA Water Quality Portal. See the full Kenansvill Lake water temperature breakdown →
Recreation & Access
- Three Forks Marsh Conservation Area - Fellsmere Road Primitive Boat LaunchPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Fishing Kenansvill Lake
Water Quality Trend: ↓ Declining
Based on 5 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↓ Declining | -0.028 m/yr | 5 |
| Phosphorus | ↓ Declining | +1.34 µg/L/yr | 5 |
County Ranking
Ranked #9 of 9 lakes in Indian River County
Nearby Lakes With Higher Grades
Kenansvill Lake holds Grade D. 3 nearby lakes hold higher nutrient-and-algae grades — useful for a swim day, not a reason to skip lodging here.
Nearby Lakes in Indian River County
Frequently asked questions about Kenansvill Lake
Where is Kenansvill Lake?
- Kenansvill Lake is a lake in Indian River County, Florida. LakeQuality grades it D for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Kenansvill Lake?
- Kenansvill Lake in Indian River County, Florida has a water quality grade of D (Nutrient-rich). Water clarity: 2 ft visibility. Phosphorus: 70 µg/L.
Is Kenansvill Lake safe to swim in?
- Based on E. coli testing, Kenansvill Lake never exceeded the EPA safe-swimming threshold (235 MPN/100mL) — on 0% of 5 samples across 2 seasons. That works out to a bacteria swim-safety grade of A — a historical summary of past testing, not a current reading. Kenansvill Lake has a water quality grade of D (Nutrient-rich). Bacteria levels can spike quickly after heavy rain, so always check Florida's current beach and health-department advisories before you swim.
What is the water temperature of Kenansvill Lake?
- Kenansvill Lake typically sits around 83°F at the surface in September, from 19 EPA Water Quality Portal field readings (2010–2023). That is a typical value for the month, not a live reading.
Are there boat ramps on Kenansvill Lake?
- Kenansvill Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Three Forks Marsh Conservation Area - Fellsmere Road Primitive Boat Launch. Public access is listed as yes.
Explore Kenansvill Lake across LakeQuality
More Florida Lake Rankings
Other Grade D Lakes in Florida
Eutrophic Lakes in Florida
Where this data comes from
24 measurements from 1 monitoring station, 2021–2023. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Submitting organization not recorded for these samples24 samples · 2021–2023
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
Named boat-access points from the USGS National Boat Ramps inventory