Hddnlake
Sumter County, FloridaView mapDirections
Florida DEP publishes the water-quality measurements for Hddnlake. Here is what has been measured.
- Eutrophic
Hddnlake in Sumter County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 4.1 ft visibility. Phosphorus: 49.5 µg/L.
Hddnlake is a productive, nutrient-rich eutrophic lake in Sumter County, Florida. Overall water quality is declining over recent sampling years. Compared to the 10 other monitored lakes in Sumter County, Hddnlake ranks #10 for water quality.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2023-12-04. Methodology: how these readings are compared.
Swimming conditions
Readings onlyModerate 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 Hddnlake 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 Hddnlake
These are the measurements Florida DEP publishes for Hddnlake, 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 4.1 ft. Phosphorus 49.5 µg/L. TSI 59.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 4.1ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 49.5µg/L | Fair 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. | 59 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Hddnlake
Answers come straight from the public measurements and survey records on this page.
Water Temperature
Hddnlake typically sits around 77°F at the surface in October. Summer average is about 85°F. Usually warmest in Aug (about 86°F) and coldest in Jan (about 60°F). These are typical values by month — not a live reading.
Column height runs from this lake’s coldest month (60°F) to its warmest (86°F).
Typical surface water temperature by month, from 107 field readings (2010–2023) via the EPA Water Quality Portal. See the full Hddnlake water temperature breakdown →
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Stays near Hddnlake
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Fishing Hddnlake
Water Quality Trend: Worsening
Based on 4 years of monitoring (2020–2023).
Water clarity
Worsening4 years
Phosphorus
Worsening+5.6 µg/L/yr4 years
Nearby Lakes in Sumter County
Frequently asked questions about Hddnlake
Where is Hddnlake?
- Hddnlake is a lake in Sumter County, Florida. Its water-quality measurements are published by Florida DEP and shown on this page as reported.
What is the water quality of Hddnlake?
- Hddnlake in Sumter County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 4.1 ft visibility. Phosphorus: 49.5 µg/L.
Is Hddnlake 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 Hddnlake?
- Hddnlake typically sits around 77°F at the surface in October, from 107 EPA Water Quality Portal field readings (2010–2023). That is a typical value for the month, not a live reading.
Explore Hddnlake across LakeQuality
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Where this data comes from
40 measurements from 1 monitoring station, 2020–2023. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Submitting organization not recorded for these samples40 samples · 2020–2023
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.