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EWG's Tap Water Database — 2019 UPDATE

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Chromium (hexavalent)

Lake Cities Municipal Utility Authority

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).

 

20

Samples

0

Samples exceeding legal limit (MCL)

7

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
2013N/A00N/A
20140.00588 ppb163ND - 0.0316 ppb
20150.0340 ppb440.0305 ppb - 0.0380 ppb
2016N/A00N/A
2017N/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
2014-06-244G01024-05ND
2014-06-244G01024-02ND
2014-06-244G01024-01ND
2014-06-244G01024-060.0310 ppb
2014-06-244G01024-04ND
2014-06-244G01024-03ND
2014-09-184I24022-04ND
2014-09-184I24022-010.0314 ppb
2014-09-184I24022-03ND
2014-09-184I24022-02ND
2014-12-174L23018-02ND
2014-12-174L23018-030.0316 ppb
2014-12-174L23018-06ND
2014-12-174L23018-01ND
2014-12-174L23018-05ND
2014-12-174L23018-04ND
2015-03-175C20010-020.0305 ppb
2015-03-175C20010-030.0353 ppb
2015-03-175C20010-040.0380 ppb
2015-03-175C20010-010.0320 ppb