Seminole-Jesup North Lake
Seminole-Jesup North Lake in Seminole County, Florida has a water quality grade of D (Nutrient-rich). Water clarity: 1 ft visibility. Phosphorus: 90 µg/L.
- Clarity
- 1 ft
- Type
- Hypereutrophic
- Trend
- → Stable
Grade D measures nutrients and algae, not whether this is a good place for a cabin trip. Cabins and rentals near Seminole-Jesup North Lake →
Next lake in Seminole County
Swipe left or right on this bar to open the next or previous lake.
Seminole-Jesup North Lake is a highly nutrient-loaded hypereutrophic lake in Seminole County, Florida. Water quality is graded D based on 1 sampling years through 2024. Water clarity is declining over recent sampling years. Compared to the 121 other monitored lakes in Seminole County, Seminole-Jesup North Lake ranks #114 for water quality.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2024-04-13. Grade methodology: LakeQuality methodology.
Watch Seminole-Jesup North Lake water quality
Subscribe for LakeQuality updates by email. No spam, unsubscribe anytime.
Swimming Safety
Grade onlyElevated nutrients
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 ft of visibility. Phosphorus level: 90 µg/L. Trophic State Index: 73.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 1 ft | Not graded |
| Phosphorus | 90 µg/L | Poor |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 73 | Hypereutrophic |
Very high nutrients, dense algae, poor clarity
Where to stay near Seminole-Jesup North Lake
Compare lakeside cabins, hotels, and vacation rentals near Seminole-Jesup North Lake 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 Seminole-Jesup North Lake are listed below.
Top-rated places to stay near Seminole-Jesup North Lake
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 Seminole-Jesup North Lake
Water Quality Trend: → Stable
Based on 5 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↓ Declining | -0.03 m/yr | 5 |
| Phosphorus | ↑ Improving | -1.74 µg/L/yr | 5 |
EPA Impairment Status
Seminole-Jesup North Lake is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 4A).
Causes of impairment
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit FL2981A · Official waterbody report · Matched by proximity (2.27 km)
County Ranking
Ranked #114 of 122 lakes in Seminole County
Nearby Lakes With Higher Grades
Seminole-Jesup North Lake holds Grade D. One nearby lake has a higher nutrient-and-algae grade — useful for a swim day, not a reason to skip lodging here.
See full comparison →Nearby Lakes in Seminole County
Frequently asked questions about Seminole-Jesup North Lake
Where is Seminole-Jesup North Lake?
- Seminole-Jesup North Lake 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 Seminole-Jesup North Lake?
- Seminole-Jesup North Lake in Seminole County, Florida has a water quality grade of D (Nutrient-rich). Water clarity: 1 ft visibility. Phosphorus: 90 µg/L.
Is Seminole-Jesup North Lake safe to swim in?
- Nutrients and algae run higher than average — check local advisories before swimming, and skip the water if you see scum. Seminole-Jesup North Lake has a water quality grade of D (Nutrient-rich). Always check local health department advisories before swimming.
Explore Seminole-Jesup North Lake across LakeQuality
Planning a trip around Canaveral?
Seminole-Jesup North Lake is about 26 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
Hypereutrophic Lakes in Florida
Where this data comes from
258 measurements from 3 monitoring stations, 2020–2024. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- FLORIDA LAKEWATCH
21FLKWAT_WQX258 samples · 2020–2024
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
Impairment status from EPA ATTAINS 303(d) database