Crawford County Lake Quality
Wisconsin, 1 lakes, average grade D (Poor)
Crawford County has 1 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. On average, Crawford County lakes grade D, with phosphorus loading and reduced clarity showing up across most of the dataset.
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 Indian Hills Lake Nr. Dam (D); the most-stressed is Indian Hills Lake Nr. Dam (D).
Quick Answers for Crawford County
Planning a trip? Check special fishing regulations for Indian Hills Lake Nr. Dam, whether the fish are safe to eat, and the best times to fish — or browse the full Wisconsin regulations index.
All Lakes in Crawford County
| Rank | Lake | Grade | Clarity | Max Depth | Phosphorus |
|---|---|---|---|---|---|
| 1 | Indian Hills Lake Nr. Dam | D | 3.4 ft | - | 35 µg/L |
Source: EPA National Aquatic Resource Surveys, 2026.