Yadkin County Lake Quality
North Carolina, 5 lakes, average grade D (Poor)
Only 5 lakes in Yadkin 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. The county-wide average grade is D — water quality issues are persistent across most of the monitored basins. 0 lakes fall into the F bracket outright.
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. South Deep Creek @ Swains Church Lake (C) is the cleanest in the county.
Quick Answers for Yadkin County
Planning a trip? Check special fishing regulations for South Deep Creek @ Swains Church Lake — or check the official North Carolina fishing regulations.
All Lakes in Yadkin County
| Rank | Lake | Grade | Clarity | Phosphorus |
|---|---|---|---|---|
| 1 | South Deep Creek @ Swains Church Lake | C | - | 40 µg/L |
| 2 | South Deep Creek @ Wagoner Lake | C | - | 40 µg/L |
| 3 | Lake Hampton | D | - | 30 µg/L |
| 4 | Lake Hampton Upper End | D | - | 30 µg/L |
| 5 | South Deep Creek @ E Longtown Lake | D | - | 80 µg/L |
Other Counties in North Carolina
See how Yadkin County stacks up in the national county water-quality rankings, or browse the full directory of graded lakes across all 12 states.
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Source: EPA National Aquatic Resource Surveys, 2026.