Lake Weeks
Lake Weeks in Leon County, Florida has a water quality grade of B (Good). Phosphorus: 32 µg/L.
- Typical in August
- 86°F
- Type
- Eutrophic
- Trend
- ↓ Declining
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Lake Weeks is a productive, nutrient-rich eutrophic lake in Leon County, Florida. Water quality is graded B based on 1 sampling years through 2024. Overall water quality is declining over recent sampling years. Compared to the 58 other monitored lakes in Leon County, Lake Weeks ranks #22 for water quality.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2024-12-05. Grade methodology: LakeQuality methodology.
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Swimming Safety
Grade onlyBacteria B
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.
Based on E. coli testing, Lake Weeks rarely exceeded the EPA safe-swimming threshold (235 MPN/100mL) — on 2.9% of 34 samples across 7 seasons.
This is a historical summary of past testing, not a current condition — bacteria levels change quickly, especially after rain. Always check Florida’s current beach and health-department advisories before swimming.
Water Quality Grade: B (Good)
No clarity data. Phosphorus level: 32 µg/L. Trophic State Index: 54.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | 32 µg/L | Good |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 54 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Lake Weeks
Compare lakeside cabins, hotels, and vacation rentals near Lake Weeks in Leon 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 Lake Weeks
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Water Temperature
Lake Weeks typically sits around 86°F at the surface in August. Summer average is about 86°F. Usually warmest in Jul (about 87°F) and coldest in Jan (about 47°F). These are typical values by month — not a live reading.
Typical surface water temperature by month, from 61 field readings (2010–2024) via the EPA Water Quality Portal. See the full Lake Weeks water temperature breakdown →
Fishing Lake Weeks
Water Quality Trend: ↓ Declining
Based on 5 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Phosphorus | ↓ Declining | +3.4 µg/L/yr | 5 |
EPA Impairment Status
Lake Weeks is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 4C).
Causes of impairment
Source: EPA ATTAINS assessment unit FL971B · Official waterbody report
County Ranking
Ranked #22 of 59 lakes in Leon County
Nearby Lakes in Leon County
Frequently asked questions about Lake Weeks
Where is Lake Weeks?
- Lake Weeks is a lake in Leon County, Florida. LakeQuality grades it B for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Lake Weeks?
- Lake Weeks in Leon County, Florida has a water quality grade of B (Good). Phosphorus: 32 µg/L.
Is Lake Weeks safe to swim in?
- Based on E. coli testing, Lake Weeks rarely exceeded the EPA safe-swimming threshold (235 MPN/100mL) — on 2.9% of 34 samples across 7 seasons. That works out to a bacteria swim-safety grade of B — a historical summary of past testing, not a current reading. Lake Weeks has a water quality grade of B (Good). Bacteria levels can spike quickly after heavy rain, so always check Florida's current beach and health-department advisories before you swim.
What is the water temperature of Lake Weeks?
- Lake Weeks typically sits around 86°F at the surface in August, from 61 EPA Water Quality Portal field readings (2010–2024). That is a typical value for the month, not a live reading.
Explore Lake Weeks across LakeQuality
More Florida Lake Rankings
Other Grade B Lakes in Florida
Eutrophic Lakes in Florida
Where this data comes from
25 measurements from 1 monitoring station, 2020–2024. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Submitting organization not recorded for these samples25 samples · 2020–2024
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