Little Lake Jackson
Highlands County, FloridaView mapDirections
Florida DEP publishes the water-quality measurements for Little Lake Jackson. Here is what has been measured.
- Eutrophic
- Impaired · Algal growth
Little Lake Jackson in Highlands County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 5.2 ft visibility. Phosphorus: 23 µg/L.
Little Lake Jackson is a productive, nutrient-rich eutrophic lake in Highlands County, Florida. Overall water quality is improving over recent sampling years. Compared to the 72 other monitored lakes in Highlands County, Little Lake Jackson ranks #7 for water quality.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2024-11-14. Methodology: how these readings are compared.
Swimming conditions
Readings onlyRecreation use not supported
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. Little Lake Jackson is listed impaired under Clean Water Act §303(d) (IR 5) for algal growth, impaired biota (cause unknown). Check local advisories before you swim.
Whether Little 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 Little Lake Jackson
These are the measurements Florida DEP publishes for Little Lake Jackson, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Murky, only visible to about 5.2 ft. Phosphorus 23 µg/L. TSI 51.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 5.2ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 23µg/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. | 51 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Little Lake Jackson
Answers come straight from the public measurements and survey records on this page.
Water Temperature
Little Lake Jackson typically sits around 72°F at the surface in November. Summer average is about 88°F. Usually warmest in Aug (about 88°F) and coldest in Feb (about 66°F). These are typical values by month — not a live reading.
Column height runs from this lake’s coldest month (66°F) to its warmest (88°F).
Typical surface water temperature by month, from 41 field readings (2010–2024) via the EPA Water Quality Portal. See the full Little Lake Jackson water temperature breakdown →
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Stays near Little Lake Jackson
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Fishing Little Lake Jackson
Water Quality Trend: Improving
Based on 5 years of monitoring (2020–2024).
Water clarity
Improving5 years
Phosphorus
Stable-0.2 µg/L/yr5 years
EPA Impairment Status
Little 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, Recreation.
Source: EPA ATTAINS assessment unit FL1860G · Official waterbody report
Nearby Lakes in Highlands County
Frequently asked questions about Little Lake Jackson
Where is Little Lake Jackson?
- Little Lake Jackson is a lake in Highlands County, Florida. Its water-quality measurements are published by Florida DEP and shown on this page as reported.
What is the water quality of Little Lake Jackson?
- Little Lake Jackson in Highlands County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 5.2 ft visibility. Phosphorus: 23 µg/L.
Is Little Lake Jackson safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Little Lake Jackson is listed impaired under Clean Water Act §303(d) (IR 5) for algal growth, impaired biota (cause unknown). Check local advisories before you swim.
What is the water temperature of Little Lake Jackson?
- Little Lake Jackson typically sits around 72°F at the surface in November, from 41 EPA Water Quality Portal field readings (2010–2024). That is a typical value for the month, not a live reading.
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Where this data comes from
83 measurements from 3 monitoring stations, 2020–2024. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Submitting organization not recorded for these samples32 samples · 2020–2024
- Submitting organization not recorded for these samples30 samples · 2020–2022
- Submitting organization not recorded for these samples21 samples · 2023–2024
Monitoring station identifiers (3)
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