Johns Lk Nw @ Br Lake
Lake County, FloridaEutrophic
Johns Lk Nw @ Br Lake is a productive, nutrient-rich eutrophic lake in Lake County, Florida. Water quality is graded C based on 2 sampling years through 2025. Compared to the 316 other monitored lakes in Lake County, Johns Lk Nw @ Br Lake ranks #211 for water quality.
Source: EPA Water Quality Portal sampling records, Florida DNR, last sampled 2025-02-12. Grade methodology: LakeGrade methodology.
Watch Johns Lk Nw @ Br Lake water quality
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Swimming Safety
Generally safe for swimming, moderate water quality
Water Quality Grade: C, Fair
Murky, only visible to about 5.6 ft. Phosphorus level: 63.9 µg/L. Trophic State Index: 58.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 5.6 ft | C |
| Phosphorus | 63.9 µg/L | D |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 58 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Location
County Ranking
Ranked #211 of 317 lakes in Lake County
Cleaner Lakes Within 30 Miles
Johns Lk Nw @ Br Lake holds Grade C. 4 nearby lakes hold higher grades.
- BJohns W LakeOrange County · 1.1 mi · Higher grade (C → B)
- BJohns LakeOrange County · 0.9 mi · Higher grade (C → B)
- COrange-John'S LakeLake County · 0.6 mi · Higher overall water quality score
- CJohnslke LakeOrange County · 1.7 mi · Higher overall water quality score
Nearby Lakes in Lake County
More Florida Lake Rankings
Other Grade C Lakes in Florida
Orange County · Clarity: 3.5 ft
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
Eutrophic 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: 2025-02-12
Monitoring stations: 1
Where to stay near Johns Lk Nw @ Br Lake
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