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EWG's Tap Water Database

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Chromium (total)

East Cherry Creek Valley Water and Sanitation District

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.

 

69

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20100.825 ppb122ND - 5.40 ppb
2011N/A00N/A
20120.929 ppb148ND - 4.00 ppb
2013N/A00N/A
20140.232 ppb4215ND - 1.000 ppb
2015ND10ND

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 Result
2010-07-21ND
2010-07-214.50 ppb
2010-07-215.40 ppb
2010-07-22ND
2010-07-22ND
2010-07-22ND
2010-07-22ND
2010-07-22ND
2010-07-27ND
2010-07-27ND
2010-07-27ND
2010-07-27ND
2012-04-12ND
2012-04-12ND
2012-04-13ND
2012-04-19ND
2012-04-231.000 ppb
2012-04-261.000 ppb
2012-04-261.000 ppb
2012-05-04ND
2012-05-101.000 ppb
2012-05-172.00 ppb
2012-05-17ND
2012-05-252.00 ppb
2012-07-134.00 ppb
2012-10-251.000 ppb
2014-02-10ND
2014-02-10ND
2014-02-10ND
2014-02-10ND
2014-02-11ND
2014-02-24ND
2014-02-24ND
2014-02-24ND
2014-02-24ND
2014-02-24ND
2014-02-24ND
2014-02-24ND
2014-02-24ND
2014-02-240.340 ppb
2014-02-26ND
2014-02-26ND
2014-05-12ND
2014-05-12ND
2014-05-191.000 ppb
2014-08-081.000 ppb
2014-08-12ND
2014-08-131.000 ppb
2014-08-141.000 ppb
2014-08-141.000 ppb
2014-08-191.000 ppb
2014-08-191.000 ppb
2014-08-200.210 ppb
2014-08-200.230 ppb
2014-08-200.240 ppb
2014-08-20ND
2014-08-200.260 ppb
2014-08-211.000 ppb
2014-08-25ND
2014-08-25ND
2014-08-25ND
2014-08-25ND
2014-08-260.220 ppb
2014-08-26ND
2014-10-06ND
2014-11-10ND
2014-11-19ND
2014-11-240.240 ppb
2015-02-03ND