Brunswick County Lake Quality
Virginia, 4 lakes, average grade C (Fair)
Only 4 lakes in Brunswick County carry an active grade. The county-level summary is therefore representative of those specific lakes, not necessarily of every water body in the county. Brunswick County averages to a C. The distribution behind that average matters more than the letter: a few stressed lakes versus many decent ones can produce the same average as the inverse.
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. Great Creek Reservoir (C) is the cleanest in the county.
Quick Answers for Brunswick County
Planning a trip? Check special fishing regulations for Great Creek Reservoir — or check the official Virginia fishing regulations.
All Lakes in Brunswick County
| Rank | Lake | Grade | Clarity | Phosphorus |
|---|---|---|---|---|
| 1 | Great Creek Reservoir | C | 3.1 ft | 30 µg/L |
| 2 | Reedy Cr Lake | C | - | 50 µg/L |
| 3 | Brunswick County Lake | C | 2.3 ft | 50 µg/L |
Other Counties in Virginia
See how Brunswick County stacks up in the national county water-quality rankings, or browse the full directory of graded lakes across all 34 states.
Where to stay near Brunswick County
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Source: EPA National Aquatic Resource Surveys, 2026.