Killarney West Lake
Leon County, FloridaView mapDirections
Florida DEP publishes the water-quality measurements for Killarney West Lake. Here is what has been measured.
- Impaired · Algal growth
- Limited data
Killarney West Lake in Leon County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Phosphorus: 47.8 µg/L.
Killarney West Lake is a lake in Leon County, Florida. Water clarity is declining over recent sampling years.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2025-05-08. Methodology: how these readings are compared.
Swimming conditions
No readingRecreation use not supported
Based on E. coli testing, Killarney West Lake never exceeded the EPA safe-swimming threshold (235 MPN/100mL) — on 0% of 16 samples across 7 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 Killarney West 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 Killarney West Lake
These are the measurements Florida DEP publishes for Killarney West 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. Phosphorus 47.8 µg/L. TSI 60.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | No reading How deep a black-and-white disk stays visible from the surface. Higher is clearer. | |
| Total phosphorus | 47.8µg/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. | 60 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Killarney West Lake
Answers come straight from the public measurements and survey records on this page.
Water Temperature
Killarney West Lake typically sits around 70°F at the surface in November. Summer average is about 86°F. Usually warmest in Jul (about 88°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 (88°F).
Typical surface water temperature by month, from 39 field readings (2010–2025) via the EPA Water Quality Portal. See the full Killarney West Lake water temperature breakdown →
Stays via Stay22
Stays near Killarney West Lake
Compare lakeside cabins, hotels, and vacation rentals near Killarney West 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.
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Fishing Killarney West Lake
Water Quality Trend: Stable
Based on 6 years of monitoring (2020–2025).
Water clarity
Worsening3 years
Phosphorus
Improving-4.88 µg/L/yr6 years
EPA Impairment Status
Killarney West 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 FL647J · Official waterbody report
Nearby Lakes in Leon County
Frequently asked questions about Killarney West Lake
Where is Killarney West Lake?
- Killarney West 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 Killarney West Lake?
- Killarney West Lake in Leon County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Phosphorus: 47.8 µg/L.
Is Killarney West Lake safe to swim in?
- Based on E. coli testing, Killarney West Lake never exceeded the EPA safe-swimming threshold (235 MPN/100mL) — on 0% of 16 samples across 7 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 Killarney West 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 Killarney West Lake?
- Killarney West Lake typically sits around 70°F at the surface in November, from 39 EPA Water Quality Portal field readings (2010–2025). That is a typical value for the month, not a live reading.
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Where this data comes from
10 measurements from 1 monitoring station, 2021–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Submitting organization not recorded for these samples10 samples · 2021–2025
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