Rockbridge County Lake Quality
Virginia, 3 lakes, measured by Virginia DEQ
Rockbridge County has 3 monitored lakes — a thin enough sample that one or two stressed lakes can move the county average noticeably. Use the per-lake pages below for what actually matters. 1 of those lake carry recent nutrient and algae readings. The county-level summary describes that subset, not every water body listed. On average, Rockbridge County lakes carry some of the lowest phosphorus and chlorophyll-a readings in Virginia, with clear summer transparency across most monitored basins.
Most of the county's monitored lakes are shallow, under 50 feet, which means wind keeps the water column mixed all summer and sediment-bound phosphorus releases back into the surface layer whenever the bottom is disturbed. Lake Robertson has the lowest nutrient and algae readings in the county.
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Quick Answers for Rockbridge County
Planning a trip? Check special fishing regulations for Lake Robertson — or check the official Virginia fishing regulations.
All Lakes in Rockbridge County
3 lakes · 1 ranked on readings, 2 without enough sampling1 lake ranked on readings · 2 without enough sampling, hidden
| # | Lake | Clarity | Phosphorus | Algae | Trophic | Access |
|---|---|---|---|---|---|---|
| 1 | Lake RobertsonRockbridge | 13.9 ft | 10 µg/L | 1.9 µg/L | No recent samples | ✓ Public |
| Lake Merriweather Goshen Dam SidewallRockbridge | No recent samples | No recent samples | No recent samples | No recent samples | Not recorded | |
| Willow LakeRockbridge | No recent samples | No recent samples | No recent samples | No recent samples | Not recorded |
NR = no nutrient or algae reading on record. The measurements are published as the authority reports them. Where the data comes from.
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Source: the Virginia Department of Environmental Quality. See data sources.