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National Drinking Water Database


National Drinking Water Database - Chemical Contaminants

The Most Polluted Communities

224 water utilities reported detecting Chlorodibromoacetic acid in tap water since 2004, according to EWG's analysis of water quality data supplied by state water agencies

Ranked by population

RankSystem Population Served Positive test results of total reported tests Average Level
(Range)
1Suffolk County Water Authority
Bay Shore, NY
1,009,2644 of 690.02 ppb
(0 to 0.6 ppb)
2Lees Summit
Lees Summit, MO
179,0982 of 140.12 ppb
(0 to 1.42 ppb)
3Springfield
Springfield, MO
151,0005 of 230.3 ppb
(0 to 2.3 ppb)
4Independence
Independence, MO
125,0005 of 260.12 ppb
(0 to 1.13 ppb)
5Columbia
Columbia, MO
107,34215 of 291.28 ppb
(0 to 4.03 ppb)
6St Charles Co Pwsd #2
O Fallon, MO
62,0001 of 170.1 ppb
(0 to 1.74 ppb)
7MO American Joplin
Joplin, MO
50,7002 of 200.06 ppb
(0 to 0.8 ppb)
8Blue Springs
Blue Springs, MO
50,0001 of 110.09 ppb
(0 to 0.98 ppb)
9Cape Girardeau
Cape Girardeau, MO
36,7014 of 230.11 ppb
(0 to 1.09 ppb)
10Gladstone
Gladstone, MO
30,0007 of 230.94 ppb
(0 to 9.14 ppb)
11Liberty
Liberty, MO
30,0006 of 210.6 ppb
(0 to 4.89 ppb)
12MO American Jefferson City
Jefferson City, MO
29,5002 of 230.06 ppb
(0 to 0.91 ppb)
13Kirkwood
Kirkwood, MO
28,0002 of 18< 0.01 ppb
(< .01 to 0.006855 ppb)
14Belton
Belton, MO
22,0001 of 110.03 ppb
(0 to 0.35 ppb)
15Jefferson Co Pwsd #1
Arnold, MO
20,0001 of 210.02 ppb
(0 to 0.4 ppb)
16Poplar Bluff
Poplar Bluff, MO
17,7001 of 270.02 ppb
(0 to 0.59 ppb)
17Hannibal
Hannibal, MO
17,4568 of 260.6 ppb
(0 to 3.83 ppb)
18Kirksville
Kirksville, MO
17,3041 of 250.07 ppb
(0 to 1.77 ppb)
19Raymore
Raymore, MO
16,5002 of 110.1 ppb
(0 to 0.85 ppb)
20Jackson Co Pwsd #2
Raytown, MO
16,0001 of 110.02 ppb
(0 to 0.21 ppb)