WaterVerge

California ZIP Code Water Quality

33 ZIP codes with water quality data · State average grade: B

ZIP Codes
33
Avg Grade
B
A or B
24%
D or F
48%

How California ZIP codes scored

18%
27%
18%
30%
A
2
6%
Excellent
B
6
18%
Good
C
9
27%
Fair
D
6
18%
Poor
F
10
30%
Failing

All 33 ZIP codes in California

ZIP Code Primary City Grade Score Score Cities
91906 Campo
D
48.1
1
92019 El Cajon
B+
83.8
1
92059 Pala
C-
55.5
1
92061 Pauma Valley
F
43
1
92070 Santa Ysabel
D
48
1
92082 Valley Center
F
35
1
92201 Indio
F
44.8
1
92202 Indio
F
44.8
1
92203 Indio
F
44.8
1
92220 Banning
B-
74.5
1
92236 Coachella
C-
55.2
1
92274 Thermal
D
48
1
92363 Needles
F
43.2
2
92539 Anza
F
43
1
92581 San Jacinto
B
76.2
1
92593 Temecula
C+
65.3
1
93257 Porterville
F
35.5
1
95403 Santa Rosa
F
43.1
1
95453 Lakeport
C-
57.5
1
95461 Middletown
D+
53.5
1
95468 Point Arena
D
48.2
1
95470 Redwood Valley
C
64.1
1
95470-0039 Redwood Valley
C
64.1
1
95485 Upper Lake
B
79
1
95490 Willits
C-
56.6
1
95492 Windsor
A+
97.2
1
95548 Klamath
D
48
1
95551 Loleta
B-
73.9
1
95606 Brooks
B+
82.2
1
95932-4018 Colusa
C-
59
1
96001 Redding
F
34.8
1
96006 Whittier
C+
69.8
1
96032 Fort Jones
A
91.4
1