Fish Lake
Fish Lake in Osceola County, Florida has a water quality grade of C (Fair). Water clarity: 2 ft visibility. Phosphorus: 55.5 µg/L.
- Clarity
- 2 ft
- Type
- Eutrophic
- Trend
- ↓ Declining
- Public access
- Yes
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Fish Lake is a productive, nutrient-rich eutrophic lake in Osceola County, Florida. Water quality is graded C based on 1 sampling years through 2025. Overall water quality is declining over recent sampling years. Limited fish-species data available. Public access is available with 2 public boat landings. Compared to the 30 other monitored lakes in Osceola County, Fish Lake ranks #23 for water quality.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2025-02-10. 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.
Generally safe for swimming, moderate water quality
Water Quality Grade: C (Fair)
Very murky, less than 2 ft of visibility. Phosphorus level: 55.5 µg/L. Trophic State Index: 65.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2 ft | Not graded |
| Phosphorus | 55.5 µg/L | Fair |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 65 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Fish Lake
Compare lakeside cabins, hotels, and vacation rentals near Fish Lake in Osceola 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 Fish Lake
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Planning a trip? Cabins and lodging at Fish Lake → · more Florida lake trips
Recreation & Access
- Sexton Park Public Boat RampPublic
- Partin Triangle ParkPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Fishing Fish Lake
Water Quality Trend: ↓ Declining
Based on 5 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↓ Declining | -0.38 m/yr | 5 |
| Phosphorus | → Stable | +0.6 µg/L/yr | 5 |
County Ranking
Ranked #23 of 31 lakes in Osceola County
Nearby Lakes With Higher Grades
Fish Lake holds Grade C. 2 nearby lakes hold higher nutrient-and-algae grades — useful for a swim day, not a reason to skip lodging here.
Nearby Lakes in Osceola County
Frequently asked questions about Fish Lake
Where is Fish Lake?
- Fish Lake is a lake in Osceola County, Florida. LakeQuality grades it C for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Fish Lake?
- Fish Lake in Osceola County, Florida has a water quality grade of C (Fair). Water clarity: 2 ft visibility. Phosphorus: 55.5 µg/L.
Is Fish Lake safe to swim in?
- Generally safe for swimming, moderate water quality. Fish Lake has a water quality grade of C (Fair). Always check local health department advisories before swimming.
Are there boat ramps on Fish Lake?
- Fish Lake has 2 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Sexton Park Public Boat Ramp, Partin Triangle Park. Public access is listed as yes.
Explore Fish Lake across LakeQuality
More Florida Lake Rankings
Other Grade C Lakes in Florida
Eutrophic Lakes in Florida
Where this data comes from
14 measurements from 3 monitoring stations, 2022–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Submitting organization not recorded for these samples14 samples · 2022–2025
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.
Other records on this page
Named boat-access points from the USGS National Boat Ramps inventory