Lake Jackson
Leon County, FloridaView mapDirections
Florida DEP publishes the water-quality measurements for Lake Jackson. Here is what has been measured.
- Eutrophic
- Impaired · Mercury
- Limited data
Lake Jackson in Leon County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 3 ft visibility. Phosphorus: 26 µg/L.
Lake Jackson is a productive, nutrient-rich eutrophic lake in Leon County, Florida. Overall water quality is improving over recent sampling years. Compared to the 58 other monitored lakes in Leon County, Lake Jackson ranks #15 for water quality.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2025-06-23. Methodology: how these readings are compared.
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Swimming conditions
Readings onlyLimited data
Based on clarity and algae readings from past sampling — there is no live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
Nutrient and algae readings are not a swimming clearance. Lake Jackson is listed impaired under Clean Water Act §303(d) (IR 5) for mercury, oxygen depletion (low DO), pH / acidity. Check local advisories before you swim.
Whether Lake Jackson is safe to swim in today is a call for the Florida Department of Environmental Protection and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Lake Jackson
These are the measurements Florida DEP publishes for Lake Jackson, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Very murky, less than 3 ft of visibility. Phosphorus 26 µg/L. TSI 56.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 3ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 26µg/L | Good GoodFairPoor |
| Chlorophyll-a (algae) | No reading The green pigment in algae — a direct measure of how much algae is in the water. | |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 56 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Lake Jackson
Answers come straight from the public measurements and survey records on this page.
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Stays near Lake Jackson
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Fishing Lake Jackson
Water Quality Trend: Improving
Based on 6 years of monitoring (2020–2025).
Water clarity
Improving6 years
Phosphorus
Improving-5.63 µg/L/yr6 years
EPA Impairment Status
Lake Jackson is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 5).
Causes of impairment
Designated uses not supporting: Aquatic life, Fish consumption.
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit FL582B · Official waterbody report
Nearby Lakes in Leon County
Frequently asked questions about Lake Jackson
Where is Lake Jackson?
- Lake Jackson is a lake in Leon County, Florida. Its water-quality measurements are published by Florida DEP and shown on this page as reported.
What is the water quality of Lake Jackson?
- Lake Jackson in Leon County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 3 ft visibility. Phosphorus: 26 µg/L.
Is Lake Jackson safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Lake Jackson is listed impaired under Clean Water Act §303(d) (IR 5) for mercury, oxygen depletion (low DO), pH / acidity. Check local advisories before you swim.
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Where this data comes from
25 measurements from 2 monitoring stations, 2020–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Submitting organization not recorded for these samples17 samples · 2020–2024
- Submitting organization not recorded for these samples8 samples · 2025
Monitoring station identifiers (2)
EPA condition classes from the National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See where the data comes from and data sources.
Other records on this page
Impairment status from EPA ATTAINS 303(d) database