Columbia-Jeffery Lake
Columbia-Jeffery Lake in Columbia County, Florida has a water quality grade of B (Good). Water clarity: 4 ft visibility. Phosphorus: 15.5 µg/L.
- Clarity
- 4 ft
- Type
- Eutrophic
- Trend
- ↑ Improving
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Columbia-Jeffery Lake is a productive, nutrient-rich eutrophic lake in Columbia County, Florida. Water quality is graded B based on 1 sampling years through 2024. Overall water quality is improving over recent sampling years. Compared to the 2 other monitored lakes in Columbia County, Columbia-Jeffery Lake ranks #1 for water quality.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2024-12-18. Grade methodology: LakeQuality methodology.
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Swimming Safety
Grade onlyLow algae
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 ft. Phosphorus level: 15.5 µg/L. Trophic State Index: 50.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 4 ft | Not graded |
| Phosphorus | 15.5 µg/L | Good |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 50 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Columbia-Jeffery Lake
Compare lakeside cabins, hotels, and vacation rentals near Columbia-Jeffery Lake in Columbia 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 Columbia-Jeffery Lake
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Fishing Columbia-Jeffery Lake
Water Quality Trend: ↑ Improving
Based on 5 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | → Stable | +0.03 m/yr | 5 |
| Phosphorus | ↑ Improving | -0.35 µg/L/yr | 5 |
EPA Impairment Status
Columbia-Jeffery 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 FL3499A · Official waterbody report · Matched by proximity (0.1 km)
County Ranking
Ranked #1 of 3 lakes in Columbia County
Nearby Lakes in Columbia County
Frequently asked questions about Columbia-Jeffery Lake
Where is Columbia-Jeffery Lake?
- Columbia-Jeffery Lake is a lake in Columbia County, Florida. LakeQuality grades it B for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Columbia-Jeffery Lake?
- Columbia-Jeffery Lake in Columbia County, Florida has a water quality grade of B (Good). Water clarity: 4 ft visibility. Phosphorus: 15.5 µg/L.
Is Columbia-Jeffery Lake safe to swim in?
- Good for swimming, clear water with low algae levels. Columbia-Jeffery Lake has a water quality grade of B (Good). Always check local health department advisories before swimming.
Explore Columbia-Jeffery Lake across LakeQuality
3.8 mi away · 10 ft
Species activity outlook by water temperature and season
Where to stay at Florida's top lakes, each with its grade
High nutrients, frequent algae, reduced clarity
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Where this data comes from
303 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_WQX303 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