Hddnlake
Hddnlake in Sumter County, Florida has a water quality grade of C (Fair). Water clarity: 4.1 ft visibility. Phosphorus: 49.5 µg/L.
- Clarity
- 4.1 ft
- Typical in August
- 86°F
- Type
- Eutrophic
- Trend
- ↓ Declining
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Hddnlake is a productive, nutrient-rich eutrophic lake in Sumter County, Florida. Water quality is graded C based on 1 sampling years through 2023. 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. Grade methodology: LakeQuality methodology.
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Swimming Safety
Grade onlyModerate
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.
Generally safe for swimming, moderate water quality
Water Quality Grade: C (Fair)
Murky, only visible to about 4.1 ft. Phosphorus level: 49.5 µg/L. Trophic State Index: 59.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 4.1 ft | Not graded |
| Phosphorus | 49.5 µg/L | Fair |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 59 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Hddnlake
Compare lakeside cabins, hotels, and vacation rentals near Hddnlake in Sumter 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 Hddnlake
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Water Temperature
Hddnlake typically sits around 86°F at the surface in August. 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.
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 →
Fishing Hddnlake
Water Quality Trend: ↓ Declining
Based on 4 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↓ Declining | -0.11 m/yr | 4 |
| Phosphorus | ↓ Declining | +5.6 µg/L/yr | 4 |
EPA Impairment Status
Hddnlake is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 5).
Causes of impairment
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit FL1347 · Official waterbody report · Matched by proximity (2.19 km)
County Ranking
Ranked #10 of 11 lakes in Sumter County
Nearby Lakes in Sumter County
Frequently asked questions about Hddnlake
Where is Hddnlake?
- Hddnlake is a lake in Sumter County, Florida. LakeQuality grades it C for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Hddnlake?
- Hddnlake in Sumter County, Florida has a water quality grade of C (Fair). Water clarity: 4.1 ft visibility. Phosphorus: 49.5 µg/L.
Is Hddnlake safe to swim in?
- Generally safe for swimming, moderate water quality. Hddnlake has a water quality grade of C (Fair). Always check local health department advisories before swimming.
What is the water temperature of Hddnlake?
- Hddnlake typically sits around 86°F at the surface in August, 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
More Florida Lake Rankings
Other Grade C Lakes in Florida
Eutrophic Lakes in Florida
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)
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