Lake Merriweather is a cold, clear oligotrophic lake in Rockbridge County, Virginia. Water quality is graded A based on 1 sampling years through 2024. Compared to the 1 other monitored lakes in Rockbridge County, Lake Merriweather ranks #2 for water quality.
Source: EPA Water Quality Portal sampling records, Virginia DNR, last sampled 2024-03-04. Grade methodology: LakeGrade methodology.
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Swimming Safety
Excellent for swimming, crystal clear water with minimal algae
Water Quality Grade: A, Excellent
No clarity data. Chlorophyll-a: 1.9 µg/L. Trophic State Index: 37.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No data | |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | 1.9 µg/L | A |
| Trophic State Index (TSI) | 37 | Oligotrophic |
Low nutrients, clear water, excellent for swimming
Where to stay near Lake Merriweather
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Fishing Lake Merriweather
Location
County Ranking
Ranked #2 of 2 lakes in Rockbridge County
Nearby Lakes in Rockbridge County
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More Virginia Lake Rankings
Other Grade A Lakes in Virginia
Oligotrophic 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: 2024-03-04
Monitoring stations: 1