Lavon Lake is a highly nutrient-loaded hypereutrophic lake in Collin County, Texas. Water quality is graded F based on 2 sampling years through 2023. Compared to the 1 other monitored lakes in Collin County, Lavon Lake ranks #2 for water quality.
Source: EPA Water Quality Portal sampling records, Texas DNR, last sampled 2023-10-05. Grade methodology: LakeGrade methodology.
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Swimming Safety
Avoid swimming, very poor water quality, potential algae toxins
Water Quality Grade: F, Very Poor
Very murky, less than 1.4 ft of visibility. Phosphorus level: 106.5 µg/L. Chlorophyll-a: 48 µg/L. Trophic State Index: 71.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 1.4 ft | F |
| Phosphorus | 106.5 µg/L | F |
| Chlorophyll-a (Algae) | 48 µg/L | F |
| Trophic State Index (TSI) | 71 | Hypereutrophic |
Very high nutrients, dense algae, poor clarity
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Fishing Lavon Lake
Location
County Ranking
Ranked #2 of 2 lakes in Collin County
Cleaner Lakes Within 30 Miles
Lavon Lake holds Grade F. 5 nearby lakes hold higher grades.
- CLewisville Lake SiteDenton County · 25.9 mi · Two grade letters higher (F → C)
- CLewisville LakeDenton County · 28.9 mi · Two grade letters higher (F → C)
- DLake Ray HubbardRockwall County · 14.9 mi · Higher grade (F → D)
- DPhelps LakeRockwall County · 9.7 mi · Higher grade (F → D)
- DWhite Rock LakeDallas County · 22.9 mi · Higher grade (F → D)
Nearby Lakes in Collin County
Explore Lavon Lake across LakeGrade
More Texas Lake Rankings
Other Grade F Lakes in Texas
Hypereutrophic Lakes in Texas
More records, surveys & data sources
Data Sources
Water quality data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2023-10-05
Monitoring stations: 9