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EWG's Tap Water Database — 2019 UPDATE

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Chromium (hexavalent)

Montebello Land & Water Company

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).

 

22

Samples

0

Samples exceeding legal limit (MCL)

4

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
2013N/A00N/A
20140.0450 ppb144ND - 0.180 ppb
2015ND10ND
2016ND10ND
2017ND60ND

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
2014-06-26201406280074AMND
2014-06-26201406280072AMND
2014-06-26201406280078AM0.150 ppb
2014-06-26201406280076AM0.180 ppb
2014-08-222706-007-1135ND
2014-08-222706-009-1145ND
2014-08-222706-008-1100ND
2014-08-222706-005-1035ND
2014-08-222706-004-1000ND
2014-08-222706-003-1015ND
2014-08-222706-001-1115ND
2014-12-18201412190375AM0.160 ppb
2014-12-18201412190373AM0.140 ppb
2014-12-18201412190371AMND
2015-07-30201507310207AMND
2016-09-269588-007-1015ND
2017-05-229588-001-0910ND
2017-08-309588-009-0955ND
2017-08-309588-008-0850ND
2017-08-309588-005-0915ND
2017-08-309588-004-0830ND
2017-08-309588-003-0905ND