Lake Istokpoga
Highlands County, FloridaHypereutrophic
Lake Istokpoga is a highly nutrient-loaded hypereutrophic lake in Highlands County, Florida. Water quality is graded D based on 2 sampling years through 2023. Compared to the 149 other monitored lakes in Highlands County, Lake Istokpoga ranks #144 for water quality.
Source: EPA Water Quality Portal sampling records, Florida DNR, last sampled 2023-08-17. Grade methodology: LakeGrade methodology.
Watch Lake Istokpoga water quality
Subscribe for LakeQuality updates by email. No spam, unsubscribe anytime.
Swimming Safety
Swimming not recommended, poor water quality with high algae risk
Water Quality Grade: D, Poor
Very murky, less than 1 ft of visibility. Phosphorus level: 62 µg/L. Trophic State Index: 71.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 1 ft | F |
| Phosphorus | 62 µg/L | D |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 71 | Hypereutrophic |
Very high nutrients, dense algae, poor clarity
Location
County Ranking
Ranked #144 of 150 lakes in Highlands County
Nearby Lakes in Highlands County
More Florida Lake Rankings
Other Grade D Lakes in Florida
Hypereutrophic Lakes in Florida
Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS). Mean depth is a modeled estimate.
Data Sources
Water quality data from the EPA Water Quality Portal
Lake size & watershed from HydroLAKES (HydroSHEDS)
Grading methodology based on Metropolitan Council standards
Most recent sample: 2023-08-17
Monitoring stations: 1
Where to stay near Lake Istokpoga
Compare lakeside cabins, hotels, and vacation rentals near Lake Istokpoga in Highlands County, Florida — live availability and prices for your trip.
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.