Twin Lake Eastern Lake
Okaloosa County, FloridaEutrophic
Twin Lake Eastern Lake is a productive, nutrient-rich eutrophic lake in Okaloosa County, Florida. Water quality is graded D based on 2 sampling years through 2025. Compared to the 23 other monitored lakes in Okaloosa County, Twin Lake Eastern Lake ranks #18 for water quality.
Source: EPA Water Quality Portal sampling records, Florida DNR, last sampled 2025-08-27. Grade methodology: LakeGrade methodology.
Watch Twin Lake Eastern Lake 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 2.3 ft of visibility. Phosphorus level: 90 µg/L. Trophic State Index: 67.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2.3 ft | F |
| Phosphorus | 90 µg/L | D |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 67 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Location
County Ranking
Ranked #18 of 24 lakes in Okaloosa County
Cleaner Lakes Within 30 Miles
Twin Lake Eastern Lake holds Grade D. One nearby lake has a higher grade.
See full comparison →Nearby Lakes in Okaloosa County
More Florida Lake Rankings
Other Grade D Lakes in Florida
Eutrophic Lakes in Florida
Data Sources
Water quality data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2025-08-27
Monitoring stations: 1
Where to stay near Twin Lake Eastern Lake
Compare lakeside cabins, hotels, and vacation rentals near Twin Lake Eastern Lake in Okaloosa 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.