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EWG's Tap Water Database — 2019 UPDATE

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Chromium (hexavalent)

City of Santa Barbara Water Department

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).

 

96

Samples

0

Samples exceeding legal limit (MCL)

28

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20120.183 ppb475ND - 1.80 ppb
20130.500 ppb144ND - 1.80 ppb
20140.321 ppb2316ND - 1.80 ppb
20150.0255 ppb62ND - 0.0800 ppb
2016ND30ND
20170.400 ppb31ND - 1.20 ppb

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
2012-01-129590-004-1001ND
2012-02-069590-042-1109ND
2012-02-069590-015-1203ND
2012-02-069590-035-12211.70 ppb
2012-02-099590-015-1001ND
2012-02-099590-015-0945ND
2012-02-099590-035-08591.80 ppb
2012-02-099590-035-08491.70 ppb
2012-02-099590-042-1037ND
2012-02-099590-042-1103ND
2012-03-149590-042-1403ND
2012-03-149590-015-1300ND
2012-03-149590-042-1346ND
2012-03-149590-015-1245ND
2012-04-119590-042-0929ND
2012-04-119590-015-0822ND
2012-04-119590-015-0837ND
2012-04-119590-042-0958ND
2012-04-119590-004-1039ND
2012-05-039590-042-1125ND
2012-05-039590-042-1110ND
2012-05-039590-015-1220ND
2012-05-079590-042-1042ND
2012-05-079590-015-1016ND
2012-06-139590-015-1145ND
2012-06-139590-015-1130ND
2012-06-139590-042-1240ND
2012-06-139590-042-1214ND
2012-07-029590-004-0905ND
2012-07-029590-042-1225ND
2012-07-029590-042-1207ND
2012-07-029590-015-1311ND
2012-07-029590-015-1255ND
2012-08-079590-015-1108ND
2012-08-079590-015-1122ND
2012-08-079590-042-1010ND
2012-08-079590-042-1030ND
2012-09-069590-042-1504ND
2012-09-069590-042-1514ND
2012-10-029590-042-0937ND
2012-10-039590-004-1000ND
2012-11-149590-042-0922ND
2012-11-149590-042-0912ND
2012-12-119590-035-11081.70 ppb
2012-12-119590-035-10181.70 ppb
2012-12-119590-042-1332ND
2012-12-119590-042-1346ND
2013-01-089590-004-0957ND
2013-01-099590-042-0950ND
2013-01-099590-042-0920ND
2013-01-099590-035-11321.80 ppb
2013-01-099590-015-1029ND
2013-01-099590-015-1044ND
2013-01-099590-035-11181.80 ppb
2013-04-029590-004-0850ND
2013-07-099590-004-0927ND
2013-07-169590-035-08431.70 ppb
2013-07-169590-035-09051.70 ppb
2013-07-169590-042-0735ND
2013-07-169590-042-0758ND
2013-10-159590-004-0835ND
2014-03-17201403180207AM1.80 ppb
2014-03-17201403180209AM1.80 ppb
2014-03-18201403190624AM0.0300 ppb
2014-03-18201403190597AM0.140 ppb
2014-03-18201403190612AM0.140 ppb
2014-03-18201403190587AMND
2014-03-25201403260346AM0.440 ppb
2014-03-25201403260379AM0.0560 ppb
2014-06-11201406120320AM0.0540 ppb
2014-06-11201406120307AMND
2014-06-11201406120329AMND
2014-09-24201409250519AM0.120 ppb
2014-09-24201409250531AM0.440 ppb
2014-09-24201409250443AM0.0430 ppb
2014-09-24201409250432AM0.0890 ppb
2014-09-24201409250511AM1.70 ppb
2014-09-24201409250330AM0.470 ppb
2014-09-29201409300386AM0.0340 ppb
2014-10-22201410230179AMND
2014-12-17201412180234AM0.0320 ppb
2014-12-17201412180230AMND
2014-12-23201412240447AMND
2014-12-309590-053-1435ND
2015-01-14201501150410AM0.0800 ppb
2015-02-189590-005-1424ND
2015-02-199590-031-1322ND
2015-07-14201507150470AM0.0730 ppb
2015-11-109590-055-0834ND
2015-11-109590-005-1050ND
2016-11-029590-004-0838ND
2016-11-029590-031-1120ND
2016-11-029590-053-1152ND
2017-11-079590-004-0955ND
2017-11-149590-035-09301.20 ppb
2017-11-149590-042-0848ND