Pine Lake
Leon County, Florida25 acresView mapDirections
Florida DEP publishes the water-quality measurements for Pine Lake. Here is what has been measured.
- Impaired · Algal growth
- Limited data
Pine Lake in Leon County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 1.6 ft visibility. Phosphorus: 34 µg/L. Surface area: 25 acres.
Pine Lake is a 25-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 2025-06-25. Methodology: how these readings are compared.
Swimming conditions
No readingRecreation use not supported
Based on E. coli testing, Pine Lake never exceeded the EPA safe-swimming threshold (235 MPN/100mL) — on 0% of 7 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 Pine 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 Pine Lake
These are the measurements Florida DEP publishes for Pine Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Very murky, less than 1.6 ft of visibility. Phosphorus 34 µg/L. TSI 62.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 1.6ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 34µg/L | Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. |
| 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. | 62 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Pine Lake
Answers come straight from the public measurements and survey records on this page.
Water Temperature
Pine Lake typically sits around 75°F at the surface in October. Summer average is about 89°F. Usually warmest in Aug (about 90°F) and coldest in Feb (about 59°F). These are typical values by month — not a live reading.
Column height runs from this lake’s coldest month (59°F) to its warmest (90°F).
Typical surface water temperature by month, from 36 field readings (2014–2025) via the EPA Water Quality Portal. See the full Pine Lake water temperature breakdown →
Lake Details
Surface area
25 acres
No bathymetric survey has been published for Pine Lake, so its depth is not documented here.
Stays via Stay22
Stays near Pine Lake
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Fishing Pine Lake
Water Quality Trend: Worsening
Based on 4 years of monitoring (2020–2025).
Water clarity
Worsening4 years
Phosphorus
Worsening+2.19 µg/L/yr4 years
Reservoir Info (USACE NID)
Pine Lake is a man-made reservoir impounded by the Petty Gulf Lake Dam (completed 1972), built primarily for recreation on the Tr-Lake Iamonia; earth-type dam, 25 ft tall and 1,440 ft long.
- Surface area
- 25 ac
- Normal storage
- 203 ac-ft
- Max storage
- 233 ac-ft
- Drainage area
- 0 sq mi
- Hazard class
- Low
- Owner
- KILLEARN LAKES PLANTATION HOME OWNERS ASSOCIATION
All listed purposes: Recreation;Fire Protection, Stock, Or Small Fish Pond.
Source: USACE National Inventory of Dams, NID ID FL00117 · Operator website · Matched by proximity (0.46 km)
EPA Impairment Status
Pine Lake is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 5).
Causes of impairment
Designated uses not supporting: Aquatic life, Recreation.
Source: EPA ATTAINS assessment unit FL564B · Official waterbody report
Nearby Lakes in Leon County
Frequently asked questions about Pine Lake
Where is Pine Lake?
- Pine 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 Pine Lake?
- Pine Lake in Leon County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 1.6 ft visibility. Phosphorus: 34 µg/L. Surface area: 25 acres.
Is Pine Lake safe to swim in?
- Based on E. coli testing, Pine Lake never exceeded the EPA safe-swimming threshold (235 MPN/100mL) — on 0% of 7 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 Pine 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 Pine Lake?
- Pine Lake typically sits around 75°F at the surface in October, from 36 EPA Water Quality Portal field readings (2014–2025). That is a typical value for the month, not a live reading.
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Where this data comes from
6 measurements from 1 monitoring station, 2023–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Submitting organization not recorded for these samples6 samples · 2023–2025
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.
Other records on this page
Impairment status from EPA ATTAINS 303(d) database