In Depth

From the Environmental Working Group: 'Laboratory tests commissioned by EWG have detected hexavalent chromium, the carcinogenic 'Erin Brockovich chemical,' in tap water from 31 American cities.' Here Are the Cities and the Chromium-6 Levels Found

[Adapted from the website of the Environmental Working Group]

Chromium-6 levels in 25 cities’ tap water exceed safe limit proposed by California officials). Here is the list of cities and the Chromium-6 levels found  (measured in parts per billion):

1. Norman, Oklahoma 12.9
2. Honolulu, Hawaii 2
3. Riverside, California 1.69
4. Madison, Wisconsin 1.58
5. San Jose, California 1.34
6. Tallahassee, Florida 1.25
7. Omaha, Nebraska 1.07
8. Albuquerque, New Mexico 1.04
9. Pittsburgh, Pennsylvania 0.88
10. Bend, Oregon 0.78
11. Salt Lake City, Utah 0.3
12. Ann Arbor, Michigan 0.21
13. Atlanta, Georgia 0.2
14. Los Angeles, California 0.2
15. Bethesda, Maryland 0.19
16. Phoenix, Arizona 0.19
17. Washington, D.C. 0.19
18. Chicago, Illinois 0.18
19. Milwaukee, Wisconsin 0.18
20. Villanova, Pennsylvania 0.18
21. Sacramento, California 0.16
22. Louisville, Kentucky 0.14
23. Syracuse, New York 0.12
24. New Haven, Connecticut 0.08
25. Buffalo, New York 0.07
PROPOSED SAFE LIMIT BY STATE OF CALIFORNIA 0.06
26. Las Vegas, Nevada 0.06
27. New York, New York 0.06
28. Scottsdale, Arizona 0.05
29. Miami, Florida 0.04
30. Boston, Massachusetts 0.03
31. Cincinnati, Ohio 0.03

Cities where Chromium 6 was not detected in their tap water:

Indianapolis, Indiana; Plano, Texas; Reno, Nevada; San Antonio, Texas