Point Lonesome Lake
Citrus County, FloridaView mapDirections
Florida DEP publishes the water-quality measurements for Point Lonesome Lake. Here is what has been measured.
- Mesotrophic
Point Lonesome Lake in Citrus County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 6.9 ft visibility. Phosphorus: 9 µg/L.
Point Lonesome Lake is a mesotrophic lake in Citrus County, Florida. Overall water quality is declining over recent sampling years. Compared to the 31 other monitored lakes in Citrus County, Point Lonesome Lake ranks #15 for water quality.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2025-03-11. Methodology: how these readings are compared.
Swimming conditions
Readings onlyLow algae
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. Check local advisories before you swim.
Whether Point Lonesome Lake 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 Point Lonesome Lake
These are the measurements Florida DEP publishes for Point Lonesome Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Moderate clarity, visible to about 6.9 ft. Phosphorus 9 µg/L. TSI 43.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 6.9ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 9µg/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. | 43 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about Point Lonesome Lake
Answers come straight from the public measurements and survey records on this page.
Water Temperature
Point Lonesome Lake typically sits around 81°F at the surface in September. Summer average is about 82°F. Usually warmest in Jun (about 82°F) and coldest in Dec (about 64°F). These are typical values by month — not a live reading.
Column height runs from this lake’s coldest month (64°F) to its warmest (82°F).
Typical surface water temperature by month, from 100 field readings (2010–2025) via the EPA Water Quality Portal. See the full Point Lonesome Lake water temperature breakdown →
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Stays near Point Lonesome Lake
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Fishing Point Lonesome Lake
Water Quality Trend: Worsening
Based on 5 years of monitoring (2020–2024).
Water clarity
Worsening3 years
Phosphorus
Stable+0.05 µg/L/yr5 years
Nearby Lakes in Citrus County
Frequently asked questions about Point Lonesome Lake
Where is Point Lonesome Lake?
- Point Lonesome Lake is a lake in Citrus County, Florida. Its water-quality measurements are published by Florida DEP and shown on this page as reported.
What is the water quality of Point Lonesome Lake?
- Point Lonesome Lake in Citrus County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 6.9 ft visibility. Phosphorus: 9 µg/L.
Is Point Lonesome Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
What is the water temperature of Point Lonesome Lake?
- Point Lonesome Lake typically sits around 81°F at the surface in September, from 100 EPA Water Quality Portal field readings (2010–2025). That is a typical value for the month, not a live reading.
Explore Point Lonesome Lake across LakeQuality
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Where this data comes from
33 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 samples33 samples · 2020–2025
Monitoring station identifiers (1)
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.