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EWG's Tap Water Database — 2021 UPDATE

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Chromium (hexavalent)

Shadow Acres Mutual 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).

MORE ABOUT THIS CONTAMINANT

 

24

Samples

0

Samples exceeding legal limit (MCL)

5

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20141.50 ppb111.50 ppb
20150.429 ppb72ND - 2.10 ppb
20160.238 ppb82ND - 1.20 ppb
2017ND20ND
2018ND40ND
2019ND20ND

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
2014-12-163761-002-10501.50 ppb
2015-03-173761-001-1033ND
2015-04-225867-002-11200.900 ppb
2015-04-225867-001-10302.10 ppb
2015-08-194790-002-1205ND
2015-08-194790-001-1155ND
2015-11-185867-002-1059ND
2015-11-185867-001-1102ND
2016-02-175867-002-0915ND
2016-02-175867-001-09150.700 ppb
2016-05-185867-001-0950ND
2016-05-185867-002-0945ND
2016-08-105867-001-1048ND
2016-08-105867-002-1048ND
2016-11-165867-002-09101.20 ppb
2016-11-165867-001-0905ND
2017-02-155867-001-0800ND
2017-02-155867-002-0805ND
2018-05-165867-001-1130ND
2018-05-165867-002-1120ND
2018-11-215867-001-0942ND
2018-11-215867-002-1000ND
2019-02-205867-001-1100ND
2019-02-205867-002-1110ND