Valeur | Catégorie | le cas | |
---|---|---|---|
1 | sewer system | 33 |
0.2%
|
2 | closed drainage | 212 |
1.6%
|
3 | open drainage | 167 |
1.3%
|
4 | sump | 204 |
1.5%
|
5 | gully mouth | 23 |
0.2%
|
6 | pond/river | 5 |
0%
|
7 | unprotected hole | 390 |
2.9%
|
8 | neighborhood | 6469 |
48.8%
|
9 | compound (yard) | 1545 |
11.7%
|
10 | street | 4169 |
31.5%
|
96 | other | 34 |
0.3%
|