Best Water Quality Counties

Counties with the fewest water health violations and highest water safety scores.

Based on EPA SDWIS drinking water violation data.

Showing top 100 of 3067 counties with data

#	County	Score	Tax	Cost	Income
1	Autauga County, Alabama	100	94.3	72	29
2	Baldwin County, Alabama	100	93.6	69.6	32.4
3	Bibb County, Alabama	100	96.5	85.4	16.8
4	Blount County, Alabama	100	93.8	83.8	23.3
5	Bullock County, Alabama	100	91.3	88.6	7.4
6	Butler County, Alabama	100	92.6	86.7	12.7
7	Calhoun County, Alabama	100	90.8	83.1	19.8
8	Chambers County, Alabama	100	91.5	83.7	15.6
9	Cherokee County, Alabama	100	91.4	86	16.5
10	Chilton County, Alabama	100	92.8	83.1	23.8
11	Cleburne County, Alabama	100	94.1	85.6	18.2
12	Conecuh County, Alabama	100	93.2	87.5	11
13	Covington County, Alabama	100	95.2	86.9	16.6
14	Crenshaw County, Alabama	100	93.3	89.1	15.4
15	Cullman County, Alabama	100	95.1	81.5	23.2
16	Dale County, Alabama	100	93	83.9	18.6
17	Dallas County, Alabama	100	90.3	86.9	7.4
18	DeKalb County, Alabama	100	92.8	87.5	16.8
19	Elmore County, Alabama	100	94.9	75.1	32.7
20	Escambia County, Alabama	100	91.2	87.8	12.4
21	Etowah County, Alabama	100	92	83.4	18
22	Franklin County, Alabama	100	92.8	87.9	17
23	Geneva County, Alabama	100	93.3	86.4	16.7
24	Greene County, Alabama	100	88.5	94.1	4
25	Hale County, Alabama	100	93.2	87.3	10.4
26	Henry County, Alabama	100	92.6	84.4	22.6
27	Houston County, Alabama	100	93.8	79.1	20.9
28	Jefferson County, Alabama	100	85.5	70.9	25.6
29	Lamar County, Alabama	100	96.2	91.3	14.4
30	Lauderdale County, Alabama	100	91.7	83.2	22
31	Lawrence County, Alabama	100	93.7	86.2	22.6
32	Lee County, Alabama	100	88.3	74.4	23.3
33	Limestone County, Alabama	100	93.6	76	37.9
34	Lowndes County, Alabama	100	90.8	86.2	6.4
35	Macon County, Alabama	100	88.5	86.4	13.4
36	Madison County, Alabama	100	90.9	71.4	37.9
37	Marshall County, Alabama	100	91.6	82.7	23.2
38	Mobile County, Alabama	100	88.7	74.8	21.3
39	Monroe County, Alabama	100	93.4	87.1	9.7
40	Montgomery County, Alabama	100	91.8	74	21.4
41	Morgan County, Alabama	100	92.4	80.9	25.7
42	Perry County, Alabama	100	91.8	91.3	5.8
43	Pickens County, Alabama	100	94.1	89.3	14.1
44	Pike County, Alabama	100	94.7	81.7	14.7
45	Randolph County, Alabama	100	96	88.3	17
46	Russell County, Alabama	100	90.6	80	16.1
47	Shelby County, Alabama	100	89.6	63.6	44.4
48	St. Clair County, Alabama	100	93.7	73.5	34.9
49	Sumter County, Alabama	100	92.3	85.1	8.2
50	Talladega County, Alabama	100	91.9	83.2	20.1
51	Tallapoosa County, Alabama	100	93.5	85.5	20.7
52	Tuscaloosa County, Alabama	100	93.2	73.5	25.1
53	Walker County, Alabama	100	94.6	86.1	19
54	Washington County, Alabama	100	95.7	89.3	22.9
55	Juneau City and Borough, Alaska	100	76	55.4	49
56	Yakutat City and Borough, Alaska	100	80.8	75.4	36
57	Maricopa County, Arizona	100	88.9	57.2	39.2
58	Bradley County, Arkansas	100	86.5	89.2	9.2
59	Calhoun County, Arkansas	100	88.2	86	24.9
60	Clay County, Arkansas	100	87.6	87.4	15.1
61	Cleburne County, Arkansas	100	89.2	83	19.9
62	Cleveland County, Arkansas	100	86	88.2	16.4
63	Conway County, Arkansas	100	87.5	86.5	16.8
64	Craighead County, Arkansas	100	86.9	77.7	21
65	Dallas County, Arkansas	100	89.1	89.3	12.6
66	Garland County, Arkansas	100	87.7	79.9	19.6
67	Grant County, Arkansas	100	87	84.4	30.7
68	Greene County, Arkansas	100	88.5	80.6	20.5
69	Hot Spring County, Arkansas	100	88	84.6	17.8
70	Independence County, Arkansas	100	86.9	83.1	20
71	Izard County, Arkansas	100	85.8	88.7	14.6
72	Jefferson County, Arkansas	100	84.6	82.7	15.1
73	Johnson County, Arkansas	100	86.4	86.4	12.6
74	Lincoln County, Arkansas	100	87.1	87.2	17.1
75	Madison County, Arkansas	100	89.8	87.3	18.6
76	Perry County, Arkansas	100	87.7	87.7	22.6
77	Poinsett County, Arkansas	100	87.8	87.9	14.2
78	Pope County, Arkansas	100	86.3	81.7	19
79	Pulaski County, Arkansas	100	80.3	73.5	22.8
80	Randolph County, Arkansas	100	89.9	88.4	17.9
81	Saline County, Arkansas	100	84.5	75.1	33.3
82	Scott County, Arkansas	100	90.7	87.7	13.4
83	Sevier County, Arkansas	100	88.8	87.3	17.1
84	Sharp County, Arkansas	100	86	88.1	11.4
85	St. Francis County, Arkansas	100	87.1	84.8	10.7
86	Washington County, Arkansas	100	86.8	72.7	26.7
87	White County, Arkansas	100	88.9	82.3	18.3
88	Woodruff County, Arkansas	100	86.1	90.5	16
89	Alameda County, California	100	80.8	21.3	65.8
90	Butte County, California	100	82.9	62	28.2
91	El Dorado County, California	100	82.5	45.1	52.7
92	Glenn County, California	100	84.1	68.7	29.4
93	Humboldt County, California	100	83.9	66.1	23.3
94	Lassen County, California	100	82	72.2	25.4
95	Los Angeles County, California	100	82.7	37	40.7
96	Marin County, California	100	82	5.9	76.6
97	Nevada County, California	100	81.4	47.8	38.8
98	Orange County, California	100	83.5	25.8	57.6
99	Placer County, California	100	78.4	36.2	58.2
100	Riverside County, California	100	79.2	44.9	41.9

Data: U.S. Census ACS, FBI UCR, CDC, FEMA NRI, NCES, EPA SDWIS. Scores are 0-100 (higher is better).