Leon-Blue Heron Lake
Leon County, Florida47 acresView mapDirections
Florida DEP publishes the water-quality measurements for Leon-Blue Heron Lake. Here is what has been measured.
- Eutrophic
Leon-Blue Heron Lake in Leon County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 4.5 ft visibility. Phosphorus: 31 µg/L. Surface area: 47 acres.
Leon-Blue Heron Lake is a 47-acre productive, nutrient-rich eutrophic lake in Leon County, Florida. Overall water quality is declining over recent sampling years. Compared to the 58 other monitored lakes in Leon County, Leon-Blue Heron Lake ranks #1 for water quality.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2025-01-31. 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 Leon-Blue Heron 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 Leon-Blue Heron Lake
These are the measurements Florida DEP publishes for Leon-Blue Heron Lake, 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 4.5 ft. Phosphorus 31 µg/L. TSI 55.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 4.5ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 31µg/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. | 55 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Leon-Blue Heron Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
47 acres
No bathymetric survey has been published for Leon-Blue Heron Lake, so its depth is not documented here.
Stays via Stay22
Stays near Leon-Blue Heron Lake
Compare lakeside cabins, hotels, and vacation rentals near Leon-Blue Heron 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 Leon-Blue Heron Lake
Prices for Oct 16–18, 4 adults. Change dates on the map below.
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Planning a whole trip? See where to stay at Florida’s top lakes →
Follow Leon-Blue Heron Lake’s readings
Email me when new measurements post for this lake. Updates stay free.
Or email
Fishing Leon-Blue Heron 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)
Leon-Blue Heron 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 (0.4 km)
Nearby Lakes in Leon County
Frequently asked questions about Leon-Blue Heron Lake
Where is Leon-Blue Heron Lake?
- Leon-Blue Heron 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 Leon-Blue Heron Lake?
- Leon-Blue Heron Lake in Leon County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 4.5 ft visibility. Phosphorus: 31 µg/L. Surface area: 47 acres.
Is Leon-Blue Heron Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Explore Leon-Blue Heron Lake across LakeQuality
More lakes in Florida
Other Lakes in Florida
Eutrophic Lakes in Florida
Where this data comes from
354 measurements from 3 monitoring stations, 2020–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- FLORIDA LAKEWATCH
21FLKWAT_WQX354 samples · 2020–2025
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.