Menu

EWG's Tap Water Database — 2019 UPDATE

Donate

Chromium (total)

City of Gardner

Chromium is a naturally occurring metal, but industrial uses can elevate its levels in water. One form, hexavalent chromium, causes cancer. Total chromium is not a good indicator of the amount of hexavalent chromium in drinking water.

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20121.000 ppb111.000 ppb
20130.222 ppb91ND - 2.00 ppb
2014ND10ND
2015ND10ND
2016ND10ND
2017ND10ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EPA Maximum Contaminant
Level (MCL) 100 ppb

The legal limit for total chromium, established in 1991, was based on a 1958 toxicity study in laboratory animals, and applies to both the less-toxic trivalent chromium and the more-toxic hexavalent chromium forms of this compound. This limit does not protect against the risk of cancer from ingestion of hexavalent chromium.

ppb = parts per billion

All test results

Date Lab ID Result
2012-05-09578701WS1.000 ppb
2013-02-272786207ND
2013-02-272786141ND
2013-05-13595986WS2.00 ppb
2013-05-302834185ND
2013-05-302834160ND
2013-08-132876242ND
2013-08-132876237ND
2013-11-202934750ND
2013-11-202934745ND
2014-04-22100215ND
2015-04-20315823ND
2016-04-19530342ND
2017-04-18743894ND