Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Chromium (hexavalent)

Nashville Water Department #1

Chromium (hexavalent) is a carcinogen that commonly contaminates American drinking water. Chromium (hexavalent) in drinking water may be due to industrial pollution or natural occurrences in mineral deposits and groundwater. Read more about chromium (hexavalent).

 

16

Samples

0

Samples exceeding legal limit (MCL)

14

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
20150.0805 ppb1614ND - 0.167 ppb
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 0.02 ppb

The EWG Health Guideline of 0.02 ppb for chromium (hexavalent) was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against cancer.

ppb = parts per billion

All test results

Date Result
2015-01-060.0890 ppb
2015-01-060.0850 ppb
2015-01-060.0610 ppb
2015-01-060.0430 ppb
2015-04-220.0990 ppb
2015-04-220.159 ppb
2015-04-220.108 ppb
2015-04-22ND
2015-08-110.167 ppb
2015-08-110.152 ppb
2015-08-110.0450 ppb
2015-08-110.0650 ppb
2015-10-19ND
2015-10-190.0440 ppb
2015-10-190.0920 ppb
2015-10-190.0790 ppb