San Antonio, TX Water Quality
Water quality grades for 21 analyzed ZIP codes in San Antonio.
78209
Score: 37/100
8 contaminants
D
78212
Score: 30/100
36 contaminants
D
78213
Score: 44/100
7 contaminants
C
78216
Score: 100/100
0 contaminants
A
78219
Score: 90/100
4 contaminants
A
78231
Score: 62/100
6 contaminants
B
78233
Score: 97/100
2 contaminants
A
78234
Score: 35/100
11 contaminants
D
78236
Score: 37/100
29 contaminants
D
78238
Score: 13/100
25 contaminants
F
78239
Score: 94/100
3 contaminants
A
78245
Score: 57/100
7 contaminants
C
78247
Score: 14/100
10 contaminants
F
78248
Score: 37/100
29 contaminants
D
78249
Score: 18/100
8 contaminants
F
78252
Score: 87/100
2 contaminants
A
78253
Score: 59/100
8 contaminants
C
78255
Score: 99/100
1 contaminants
A
78266
Score: 55/100
5 contaminants
C
78278
Score: 55/100
8 contaminants
C
78298
Score: 65/100
20 contaminants
B