countyscore

Soil Quality · California

Soil Quality

Soil composition, pH, drainage, and organic matter content

Top 10 — Soil Quality in California

Score reflects soil quality only — not overall county quality.

1Alameda County, CA
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2Alpine County, CA
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3Amador County, CA
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4Butte County, CA
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5Calaveras County, CA
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6Colusa County, CA
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7Contra Costa County, CA
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8Del Norte County, CA
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9El Dorado County, CA
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10Fresno County, CA
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All California Counties — Soil Quality Rankings

58 counties ranked by soil quality score. Overall Score shown for context.

#CountySoil Quality ScoreOverall Score
1Alameda County, CA
40.6
2Alpine County, CA
51.2
3Amador County, CA
41.9
4Butte County, CA
39.3
5Calaveras County, CA
43
6Colusa County, CA
41.8
7Contra Costa County, CA
40.1
8Del Norte County, CA
39.9
9El Dorado County, CA
49.8
10Fresno County, CA
33
11Glenn County, CA
41.8
12Humboldt County, CA
40
13Imperial County, CA
33.7
14Inyo County, CA
41
15Kern County, CA
27.8
16Kings County, CA
38.2
17Lake County, CA
31.6
18Lassen County, CA
40.4
19Los Angeles County, CA
36.9
20Madera County, CA
35.5
21Marin County, CA
47.4
22Mariposa County, CA
43.9
23Mendocino County, CA
44.1
24Merced County, CA
35.3
25Modoc County, CA
49.6
26Mono County, CA
38.5
27Monterey County, CA
39
28Napa County, CA
43.7
29Nevada County, CA
45.2
30Orange County, CA
44.3
31Placer County, CA
46.5
32Plumas County, CA
40.9
33Riverside County, CA
37.1
34Sacramento County, CA
38.3
35San Benito County, CA
43.3
36San Bernardino County, CA
33.7
37San Diego County, CA
42.3
38San Francisco County, CA
43.6
39San Joaquin County, CA
33.1
40San Luis Obispo County, CA
42.9
41San Mateo County, CA
47.6
42Santa Barbara County, CA
43.1
43Santa Clara County, CA
42.2
44Santa Cruz County, CA
41.6
45Shasta County, CA
52.3
46Sierra County, CA
52.4
47Siskiyou County, CA
37.9
48Solano County, CA
36.4
49Sonoma County, CA
44.8
50Stanislaus County, CA
35.6
51Sutter County, CA
35
52Tehama County, CA
36.7
53Trinity County, CA
48.3
54Tulare County, CA
35.2
55Tuolumne County, CA
41.7
56Ventura County, CA
44.3
57Yolo County, CA
38
58Yuba County, CA
37.7

Explore More

Best overall counties in CaliforniaFull Soil Quality data on SoilByCounty