Franklin County Lake Quality
Wisconsin, 9 lakes, average grade B (Good)
Franklin County has 9 graded 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. With an average grade of B, Franklin County sits comfortably above the New York 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 Little Clear Pond (A); the most-stressed is Deer River Flow Lake (F).
Quick Answers for Franklin County
Planning a trip? Check special fishing regulations for Little Clear Pond, whether the fish are safe to eat, and the best times to fish — or browse the full Wisconsin regulations index.
All Lakes in Franklin County
| Rank | Lake | Grade | Clarity | Max Depth | Phosphorus |
|---|---|---|---|---|---|
| 1 | Little Clear Pond | A | - | - | 16.5 µg/L |
| 2 | Little Echo Pond | A | - | - | 18.5 µg/L |
| 3 | Hope Pond | A | - | - | 10.5 µg/L |
| 4 | Sochia Pond | A | - | - | 13.5 µg/L |
| 5 | Grass Pond | A | - | - | 18 µg/L |
| 6 | Sunday Pond | A | - | - | 10.5 µg/L |
| 7 | Little Hope Pond | A | - | - | 19 µg/L |
| 8 | Eagle Pond | D | 5.2 ft | - | - |
| 9 | Deer River Flow Lake | F | 3.3 ft | - | - |
Source: EPA National Aquatic Resource Surveys, 2026.