| Value | Category | Cases | |
|---|---|---|---|
| 1 | Water covered with designated cover | 587 |
58.3%
|
| 2 | Water covered with object not designated for water storage | 57 |
5.7%
|
| 3 | Exposed surface | 12 |
1.2%
|
| 4 | Not applicable | 350 |
34.8%
|