Steuben County Lake Quality
Wisconsin, 7 lakes, average grade B (Good)
Only 7 lakes in Steuben 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 lands at B — solid water quality with most lakes carrying clear summer transparency and low-to-moderate phosphorus.
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 Lej020 Lake (A); the most-stressed is Lmj-10 Lake (C).
Quick Answers for Steuben County
Planning a trip? Check special fishing regulations for Lej020 Lake, whether the fish are safe to eat, and the best times to fish — or browse the full Wisconsin regulations index.
All Lakes in Steuben County
| Rank | Lake | Grade | Clarity | Max Depth | Phosphorus |
|---|---|---|---|---|---|
| 1 | Lej020 Lake | A | 10.7 ft | - | - |
| 2 | Lake George | B | 14.5 ft | - | - |
| 3 | Lmj-08 Lake | B | 7.4 ft | - | - |
| 4 | Lmj-07 Lake | B | 9 ft | - | - |
| 5 | Lej-04 Lake | B | 7.3 ft | - | - |
| 6 | Lmj090 Lake | B | 7.9 ft | - | - |
| 7 | Lmj-10 Lake | C | 5.7 ft | - | - |
Source: EPA National Aquatic Resource Surveys, 2026.