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EWG's Tap Water Database

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Chromium (total)

Del-Co Water Company Inc.

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.

 

41

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2010ND40ND
2011ND40ND
2012ND40ND
2013ND40ND
20140.301 ppb1810ND - 0.840 ppb
20150.164 ppb73ND - 0.440 ppb

ppb = parts per billion.

State and national drinking water standards and health guidelines

EPA Maximum Contaminant
Level (MCL) 100 ppb

The enforceable federal standard that defines the highest level of a contaminant allowed in drinking water.

ppb = parts per billion.

EPA Maximum Contaminant
Level Goal (MCLG)100 ppb

A non-enforceable federal health guideline. For cancer-causing chemicals, these health goals are typically set to zero.

ppb = parts per billion.

All test results

Date Lab ID Result
2010-02-0810183701ND
2010-02-0810183801ND
2010-02-0810183901ND
2010-06-07104726-01ND
2011-01-1711-10359-01AND
2011-01-1711-10358-01ND
2011-01-1711-10357-01ND
2011-06-1511-14240-01AND
2012-01-0912-10325-01ND
2012-01-0912-10322-01AND
2012-01-0912-10323-01AND
2012-06-0512-16249-03ND
2013-01-0813-10282-01AND
2013-01-0813-10283-01AND
2013-01-0813-10284-01ND
2013-06-1013-17185-01AND
2014-01-0714-10164-03AND
2014-01-0714-10165-01AND
2014-01-0714-10161-03AND
2014-05-05201405060272AM0.390 ppb
2014-05-05201405060353AM0.360 ppb
2014-05-0714-15406-01AND
2014-05-13201405140518AMND
2014-05-13201405140512AM0.510 ppb
2014-05-21201405220455AMND
2014-06-3014-18397-01AND
2014-08-05201408060320AM0.840 ppb
2014-08-05201408060357AM0.560 ppb
2014-08-12201408130376AM0.440 ppb
2014-08-19201408210450AMND
2014-11-17201411180174AM0.480 ppb
2014-11-17201411180487AM0.830 ppb
2014-11-17201411180088AM0.600 ppb
2014-11-18201411190573AM0.400 ppb
2015-01-0515-10020-01ND
2015-01-0515-10022-01AND
2015-01-0515-10021-01AND
2015-02-10201502110515AM0.360 ppb
2015-02-10201502110510AM0.440 ppb
2015-02-11201502120616AM0.350 ppb
2015-06-0815-17517-01AND