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EWG's Tap Water Database — 2021 UPDATE

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Chromium (hexavalent)

Acton MUD

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

 

67

Samples

0

Samples exceeding legal limit (MCL)

7

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.00293 ppb655ND - 0.0509 ppb
20150.0507 ppb220.0467 ppb - 0.0546 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
2014-06-244G01022-24ND
2014-06-244G01022-31ND
2014-06-244G01022-30ND
2014-06-244G01022-06ND
2014-06-244G01022-27ND
2014-06-244G01022-07ND
2014-06-244G01022-25ND
2014-06-244G01022-04ND
2014-06-244G01022-26ND
2014-06-244G01022-18ND
2014-06-244G01022-14ND
2014-06-244G01022-05ND
2014-06-244G01022-13ND
2014-06-244G01022-12ND
2014-06-244G01022-15ND
2014-06-244G01022-10ND
2014-06-244G01022-23ND
2014-06-244G01022-01ND
2014-06-244G01022-22ND
2014-06-244G01022-160.0331 ppb
2014-06-244G01022-21ND
2014-06-244G01022-11ND
2014-06-244G01022-20ND
2014-06-244G01022-08ND
2014-06-244G01022-09ND
2014-06-244G01022-03ND
2014-06-244G01022-19ND
2014-06-244G01022-28ND
2014-07-084G15022-01ND
2014-07-084G15022-02ND
2014-07-084G15022-03ND
2014-09-244I30022-010.0399 ppb
2014-09-244I30022-020.0509 ppb
2014-12-084L11015-07ND
2014-12-084L11015-08ND
2014-12-084L11015-27ND
2014-12-084L11015-05ND
2014-12-084L11015-06ND
2014-12-084L11015-11ND
2014-12-084L11015-12ND
2014-12-084L11015-09ND
2014-12-084L11015-02ND
2014-12-084L11015-10ND
2014-12-084L11015-19ND
2014-12-084L11015-280.0313 ppb
2014-12-084L11015-21ND
2014-12-084L11015-30ND
2014-12-084L11015-04ND
2014-12-084L11015-03ND
2014-12-084L11015-170.0351 ppb
2014-12-084L11015-01ND
2014-12-084L11015-16ND
2014-12-084L11015-13ND
2014-12-084L11015-15ND
2014-12-084L11015-14ND
2014-12-084L11015-22ND
2014-12-084L11015-29ND
2014-12-084L11015-26ND
2014-12-084L11015-23ND
2014-12-084L11015-25ND
2014-12-084L11015-32ND
2014-12-084L11015-31ND
2014-12-084L11015-24ND
2014-12-084L11015-18ND
2014-12-084L11015-20ND
2015-03-175C20011-020.0546 ppb
2015-03-175C20011-010.0467 ppb