Orange-Killarney Lake
Orange County, FloridaLimited DataMesotrophic
Orange-Killarney Lake is a mesotrophic lake in Orange County, Florida. Water quality is graded C based on 1 sampling years through 2025. Compared to the 531 other monitored lakes in Orange County, Orange-Killarney Lake ranks #342 for water quality.
Source: EPA Water Quality Portal sampling records, Florida DNR, last sampled 2025-04-28. Grade methodology: LakeGrade methodology.
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Swimming Safety
Generally safe for swimming, moderate water quality
Water Quality Grade: C, Fair
Moderate clarity, visible to about 7.4 ft. Trophic State Index: 48.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 7.4 ft | C |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 48 | Mesotrophic |
Moderate nutrients, good water quality
Location
County Ranking
Ranked #342 of 532 lakes in Orange County
Cleaner Lakes Within 30 Miles
Orange-Killarney Lake holds Grade C. 4 nearby lakes hold higher grades.
Nearby Lakes in Orange County
More Florida Lake Rankings
Other Grade C Lakes in Florida
Walton County · Clarity: 4.2 ft
Seminole County · Clarity: 4.5 ft
Seminole County · Clarity: 2.9 ft
Polk County · Clarity: 3.5 ft
Volusia County · Clarity: 4.5 ft
Seminole County · Clarity: 3 ft
Mesotrophic Lakes in Florida
Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS). Mean depth is a modeled estimate.
Data Sources
Water quality data from the EPA Water Quality Portal
Lake size & watershed from HydroLAKES (HydroSHEDS)
Grading methodology based on Metropolitan Council standards
Most recent sample: 2025-04-28
Monitoring stations: 3
Where to stay near Orange-Killarney Lake
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