Lake Dot
Lake Dot in Seminole County, Florida has a water quality grade of D (Nutrient-rich). Water clarity: 1.6 ft visibility. Phosphorus: 60 µg/L.
- Clarity
- 1.6 ft
- Type
- Eutrophic
- Trend
- ↑ Improving
Grade D measures nutrients and algae, not whether this is a good place for a cabin trip. Cabins and rentals near Lake Dot →
Next lake in Seminole County
Swipe left or right on this bar to open the next or previous lake.
Lake Dot is a productive, nutrient-rich eutrophic lake in Seminole County, Florida. Water quality is graded D based on 1 sampling years through 2022. Overall water quality is improving over recent sampling years. Compared to the 121 other monitored lakes in Seminole County, Lake Dot ranks #117 for water quality.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2022-08-15. Grade methodology: LakeQuality methodology.
Watch Lake Dot water quality
Subscribe for LakeQuality updates by email. No spam, unsubscribe anytime.
Swimming Safety
Grade onlyBacteria advisory
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.
Nutrients and algae run higher than average — check local advisories before swimming, and skip the water if you see scum
Water Quality Grade: D (Nutrient-rich)
Very murky, less than 1.6 ft of visibility. Phosphorus level: 60 µg/L. Trophic State Index: 67.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 1.6 ft | Not graded |
| Phosphorus | 60 µg/L | Poor |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 67 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Lake Dot
Compare lakeside cabins, hotels, and vacation rentals near Lake Dot in Seminole 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 Lake Dot are listed below.
Top-rated places to stay near Lake Dot
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Planning a whole trip? See where to stay at Florida’s top lakes →
Fishing Lake Dot
Water Quality Trend: ↑ Improving
Based on 5 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↑ Improving | +0.042 m/yr | 5 |
| Phosphorus | ↑ Improving | -5.97 µg/L/yr | 5 |
EPA Impairment Status
Lake Dot is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 5).
Causes of impairment
Source: EPA ATTAINS assessment unit FL2984 · Official waterbody report · Matched by proximity (0.57 km)
County Ranking
Ranked #117 of 122 lakes in Seminole County
Nearby Lakes With Higher Grades
Lake Dot 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 Seminole County
Frequently asked questions about Lake Dot
Where is Lake Dot?
- Lake Dot is a lake in Seminole County, Florida. LakeQuality grades it D for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Lake Dot?
- Lake Dot in Seminole County, Florida has a water quality grade of D (Nutrient-rich). Water clarity: 1.6 ft visibility. Phosphorus: 60 µg/L.
Is Lake Dot safe to swim in?
- Nutrients and algae run higher than average — check local advisories before swimming, and skip the water if you see scum. Lake Dot has a water quality grade of D (Nutrient-rich). Always check local health department advisories before swimming.
Explore Lake Dot across LakeQuality
Planning a trip around Canaveral?
Lake Dot is about 32 miles from Canaveral National Seashore. 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 Canaveral →More Florida Lake Rankings
Other Grade D Lakes in Florida
Eutrophic Lakes in Florida
Where this data comes from
12 measurements from 1 monitoring station, 2022. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Submitting organization not recorded for these samples12 samples · 2022
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