Grace Lake @ Center
Grace Lake @ Center in Seminole County, Florida has a water quality grade of B (Good). Water clarity: 4.1 ft visibility. Phosphorus: 42 µg/L.
- Clarity
- 4.1 ft
- Typical in July
- 87°F
- Type
- Eutrophic
- Trend
- ↓ Declining
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Grace Lake @ Center is a productive, nutrient-rich eutrophic lake in Seminole County, Florida. Water quality is graded B based on 1 sampling years through 2025. Overall water quality is declining over recent sampling years. Compared to the 121 other monitored lakes in Seminole County, Grace Lake @ Center ranks #43 for water quality.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2025-07-01. 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.
Good for swimming, clear water with low algae levels
Water Quality Grade: B (Good)
Murky, only visible to about 4.1 ft. Phosphorus level: 42 µg/L. Trophic State Index: 57.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 4.1 ft | Not graded |
| Phosphorus | 42 µg/L | Good |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 57 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Grace Lake @ Center
Compare lakeside cabins, hotels, and vacation rentals near Grace Lake @ Center 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.
Top-rated places to stay near Grace Lake @ Center
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 →
Water Temperature
Grace Lake @ Center typically sits around 87°F at the surface in July. Summer average is about 87°F. Usually warmest in Jul (about 87°F) and coldest in Jan (about 64°F). These are typical values by month — not a live reading.
Typical surface water temperature by month, from 30 field readings (2018–2025) via the EPA Water Quality Portal. See the full Grace Lake @ Center water temperature breakdown →
Fishing Grace Lake @ Center
Water Quality Trend: ↓ Declining
Based on 6 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↓ Declining | -0.517 m/yr | 6 |
| Phosphorus | → Stable | -0.25 µg/L/yr | 5 |
EPA Impairment Status
Grace Lake @ Center 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 FL2986D · Official waterbody report · Matched by proximity (1.98 km)
County Ranking
Ranked #43 of 122 lakes in Seminole County
Nearby Lakes in Seminole County
Frequently asked questions about Grace Lake @ Center
Where is Grace Lake @ Center?
- Grace Lake @ Center is a lake in Seminole County, Florida. LakeQuality grades it B for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Grace Lake @ Center?
- Grace Lake @ Center in Seminole County, Florida has a water quality grade of B (Good). Water clarity: 4.1 ft visibility. Phosphorus: 42 µg/L.
Is Grace Lake @ Center safe to swim in?
- Good for swimming, clear water with low algae levels. Grace Lake @ Center has a water quality grade of B (Good). Always check local health department advisories before swimming.
What is the water temperature of Grace Lake @ Center?
- Grace Lake @ Center typically sits around 87°F at the surface in July, from 30 EPA Water Quality Portal field readings (2018–2025). That is a typical value for the month, not a live reading.
Explore Grace Lake @ Center across LakeQuality
Planning a trip around Canaveral?
Grace Lake @ Center is about 38 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 B Lakes in Florida
Eutrophic Lakes in Florida
Where this data comes from
42 measurements from 1 monitoring station, 2020–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Submitting organization not recorded for these samples42 samples · 2020–2025
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