Union Bridge Lake is a mesotrophic lake in Patrick County, Virginia. Water quality is graded A based on 2 sampling years through 2024. Compared to the 6 other monitored lakes in Patrick County, Union Bridge Lake ranks #2 for water quality.
Source: EPA Water Quality Portal sampling records, Virginia DNR, last sampled 2024-10-22. Grade methodology: LakeGrade methodology.
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Swimming Safety
Excellent for swimming, crystal clear water with minimal algae
Water Quality Grade: A, Excellent
Moderate clarity, visible to about 8.2 ft. Phosphorus level: 10 µg/L. Chlorophyll-a: 2.7 µg/L. Trophic State Index: 41.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 8.2 ft | C |
| Phosphorus | 10 µg/L | A |
| Chlorophyll-a (Algae) | 2.7 µg/L | A |
| Trophic State Index (TSI) | 41 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Union Bridge Lake
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Fishing Union Bridge Lake
Location
County Ranking
Ranked #2 of 7 lakes in Patrick County
Nearby Lakes in Patrick County
Explore Union Bridge Lake across LakeGrade
More Virginia Lake Rankings
Other Grade A Lakes in Virginia
Franklin County · Clarity: 10.2 ft
Franklin County · Clarity: 12.1 ft
Montgomery County · Excellent
Franklin County · Clarity: 10.2 ft
Franklin County · Clarity: 12.1 ft
Franklin County · Clarity: 10.5 ft
Mesotrophic Lakes in Virginia
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: 2024-10-22
Monitoring stations: 1