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EWG's Tap Water Database — 2019 UPDATE

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Chromium (hexavalent)

City of Puyallup

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).

 

36

Samples

0

Samples exceeding legal limit (MCL)

28

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
2013N/A00N/A
2014N/A00N/A
20150.159 ppb3628ND - 0.360 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
2015-02-03201502050883AM0.260 ppb
2015-02-03201502050880AM0.1000 ppb
2015-02-03201502050727AM0.200 ppb
2015-02-03201502050731AM0.200 ppb
2015-02-03201502050905AM0.330 ppb
2015-02-03201502050735AM0.260 ppb
2015-02-03201502050400AM0.340 ppb
2015-02-03201502050764AM0.180 ppb
2015-02-03201502050717AM0.330 ppb
2015-02-03201502050855AMND
2015-02-03201502050725AMND
2015-02-03201502050688AM0.110 ppb
2015-02-03201502050875AM0.260 ppb
2015-02-03201502050842AM0.120 ppb
2015-02-03201502050455AM0.180 ppb
2015-05-05201505070577AM0.0500 ppb
2015-05-05201505070594AM0.0770 ppb
2015-08-06201508070195AM0.180 ppb
2015-08-06201508070106AM0.360 ppb
2015-08-06201508070198AM0.320 ppb
2015-08-06201508110453AMND
2015-08-06201508070151AMND
2015-08-06201508070232AM0.320 ppb
2015-08-06201508070118AM0.180 ppb
2015-08-06201508070229AM0.330 ppb
2015-08-06201508070114AMND
2015-08-06201508070155AM0.340 ppb
2015-08-06201508070215AM0.0340 ppb
2015-08-06201508070108AMND
2015-08-06201508070125AM0.340 ppb
2015-08-06201508070135AMND
2015-08-06201508070201AM0.0550 ppb
2015-08-06201508070121AM0.0570 ppb
2015-09-29201509300232AMND
2015-11-17201511180474AM0.1000 ppb
2015-11-17201511180504AM0.0970 ppb