Up Dianne Lake
Leon County, Florida47 acresView mapDirections
No nutrient or algae sampling on record from Florida DEP for this lake.
- Limited data
Up Dianne Lake in Leon County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Surface area: 47 acres.
Up Dianne Lake is a 47-acre lake in Leon County, Florida. Overall water quality is declining over recent sampling years.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2023-10-31. Methodology: how these readings are compared.
Swimming conditions
No readingBacteria tested: low
Based on E. coli testing, Up Dianne Lake never exceeded the EPA safe-swimming threshold (235 MPN/100mL) — on 0% of 6 samples across 2 seasons.
This is a historical summary of past testing, not a current condition — bacteria levels change quickly, especially after rain. Always check Florida’s current beach and health-department advisories before swimming.
Whether Up Dianne 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 Up Dianne Lake
These are the measurements Florida DEP publishes for Up Dianne Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
No clarity data.
Ask about Up Dianne Lake
Answers come straight from the public measurements and survey records on this page.
Water Temperature
Up Dianne Lake typically sits around 76°F at the surface in October. Summer average is about 89°F. Usually warmest in Aug (about 90°F) and coldest in Feb (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 (90°F).
Typical surface water temperature by month, from 29 field readings (2016–2023) via the EPA Water Quality Portal. See the full Up Dianne Lake water temperature breakdown →
Lake Details
Surface area
47 acres
No bathymetric survey has been published for Up Dianne Lake, so its depth is not documented here.
Stays via Stay22
Stays near Up Dianne Lake
Compare lakeside cabins, hotels, and vacation rentals near Up Dianne Lake in Leon 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 Up Dianne Lake
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Fishing Up Dianne Lake
Water Quality Trend: Worsening
Based on 6 years of monitoring (2020–2025).
Water clarity
Worsening6 years
Phosphorus
Worsening+0.79 µg/L/yr6 years
Reservoir Info (USACE NID)
Up Dianne Lake is a man-made reservoir impounded by the Upper Lake Dianne Dam (completed 1958), built primarily for recreation on the Tr-Lake Iamonia; earth-type dam, 27 ft tall and 780 ft long.
- Surface area
- 47 ac
- Normal storage
- 162 ac-ft
- Max storage
- 624 ac-ft
- Drainage area
- 0 sq mi
- Hazard class
- Low
- Owner
- KILLEARN LAKES PLANTATION HOME OWNERS ASSOCIATION
All listed purposes: Recreation;Irrigation.
Source: USACE National Inventory of Dams, NID ID FL00115 · Operator website · Matched by proximity (0.3 km)
Nearby Lakes in Leon County
Frequently asked questions about Up Dianne Lake
Where is Up Dianne Lake?
- Up Dianne Lake 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 Up Dianne Lake?
- Up Dianne Lake in Leon County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Surface area: 47 acres.
Is Up Dianne Lake safe to swim in?
- Based on E. coli testing, Up Dianne Lake never exceeded the EPA safe-swimming threshold (235 MPN/100mL) — on 0% of 6 samples across 2 seasons. That is a historical summary of past bacteria testing, not a current reading and not a swimming clearance. Bacteria levels can spike quickly after heavy rain, so whether Up Dianne Lake is safe to swim in today is a call for Florida's water agency and the county health department; check their current beach advisories before you swim.
What is the water temperature of Up Dianne Lake?
- Up Dianne Lake typically sits around 76°F at the surface in October, from 29 EPA Water Quality Portal field readings (2016–2023). That is a typical value for the month, not a live reading.
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Where this data comes from
2 measurements from 1 monitoring station, 2023. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Submitting organization not recorded for these samples2 samples · 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.