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EWG's Tap Water Database — 2021 UPDATE

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Chromium (hexavalent)

Johnson County SUD

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).

MORE ABOUT THIS CONTAMINANT

 

64

Samples

0

Samples exceeding legal limit (MCL)

17

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.0219 ppb6216ND - 0.250 ppb
20150.0190 ppb21ND - 0.0379 ppb
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/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 Lab ID Result
2014-01-284B04023-02ND
2014-01-284B04023-05ND
2014-01-284B04023-06ND
2014-01-284B04023-04ND
2014-01-284B04023-03ND
2014-01-284B04023-01ND
2014-01-284B04023-07ND
2014-01-284B04023-08ND
2014-01-294B04025-07ND
2014-01-294B04025-01ND
2014-01-294B04025-06ND
2014-01-294B04025-09ND
2014-01-294B04025-08ND
2014-01-294B04025-05ND
2014-01-294B04025-03ND
2014-01-294B04025-04ND
2014-01-294B04025-02ND
2014-01-294B04025-11ND
2014-01-294B04025-10ND
2014-04-284E08011-040.0311 ppb
2014-04-284E08011-09ND
2014-04-284E08011-03ND
2014-04-284E08011-06ND
2014-04-284E08011-020.0429 ppb
2014-04-284E08011-010.0431 ppb
2014-04-284E08011-05ND
2014-04-284E08011-10ND
2014-04-284E08011-11ND
2014-04-284E08011-07ND
2014-04-284E08011-08ND
2014-07-224G29015-18ND
2014-07-224G29015-03ND
2014-07-224G29015-05ND
2014-07-224G29015-060.0362 ppb
2014-07-224G29015-080.189 ppb
2014-07-224G29015-04ND
2014-07-224G29015-07ND
2014-07-224G29015-110.200 ppb
2014-07-224G29015-120.250 ppb
2014-07-224G29015-13ND
2014-07-224G29015-010.109 ppb
2014-07-224G29015-19ND
2014-07-224G29015-17ND
2014-07-224G29015-09ND
2014-07-224G29015-16ND
2014-07-224G29015-140.0442 ppb
2014-07-224G29015-15ND
2014-07-224G29015-10ND
2014-07-224G29015-020.0343 ppb
2014-10-284J31005-04ND
2014-10-284J31005-010.0630 ppb
2014-10-284J31005-13ND
2014-10-284J31005-11ND
2014-10-284J31005-12ND
2014-10-284J31005-10ND
2014-10-284J31005-060.0754 ppb
2014-10-284J31005-080.0686 ppb
2014-10-284J31005-090.0763 ppb
2014-10-284J31005-050.0633 ppb
2014-10-284J31005-07ND
2014-10-284J31005-02ND
2014-10-284J31005-030.0314 ppb
2015-04-165D22013-010.0379 ppb
2015-04-165D22013-02ND