La Nouvelle-Beauce County Lake Quality
Québec, 2 lakes, average grade B (Good)
Only 2 lakes in La Nouvelle-Beauce 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. With an average grade of B, La Nouvelle-Beauce County sits comfortably above the Québec median.
The county's lakes lean shallow, which makes the grades sensitive to wind, sediment-resuspension, and any nutrient inputs from the watershed. The cleanest lake on the books is Lac O'Neil (B); the most-stressed is Lac Baxter (B).
Quick Answers for La Nouvelle-Beauce County
Planning a trip? Check special fishing regulations for Lac O'Neil — or check the official Québec fishing regulations.
All Lakes in La Nouvelle-Beauce County
| Rank | Lake | Grade | Clarity | Phosphorus |
|---|---|---|---|---|
| 1 | Lac O'Neil | B | 8.9 ft | 7.8 µg/L |
| 2 | Lac Baxter | B | 3.6 ft | 19.7 µg/L |
Other Counties in Québec
See how La Nouvelle-Beauce County stacks up in the national county water-quality rankings, or browse the full directory of graded lakes across all 38 states.
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Source: EPA National Aquatic Resource Surveys, 2026.