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EWG's Tap Water Database — 2021 UPDATE

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Chromium (hexavalent)

Goleta Water District

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).

MORE ABOUT THIS CONTAMINANT

 

99

Samples

0

Samples exceeding legal limit (MCL)

27

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.0716 ppb4118ND - 1.60 ppb
20150.0622 ppb186ND - 0.300 ppb
20160.142 ppb121ND - 1.70 ppb
2017ND80ND
20180.211 ppb91ND - 1.90 ppb
20190.164 ppb111ND - 1.80 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
2014-01-284A29021-05AND
2014-01-284A29021-09AND
2014-01-284A29021-11A0.0550 ppb
2014-01-284A29021-07AND
2014-01-284A29021-01AND
2014-01-284A29021-03A0.0380 ppb
2014-02-124B13092-03A0.0350 ppb
2014-02-124B13092-01AND
2014-03-129590-026-11381.60 ppb
2014-03-134C14053-01A0.0640 ppb
2014-03-134C14053-03A0.0860 ppb
2014-04-284D29011-01AND
2014-04-284D29011-03AND
2014-05-079590-032-1225ND
2014-06-189590-026-1140ND
2014-06-209590-032-1411ND
2014-06-259590-032-1230ND
2014-07-174G18046-11A0.0410 ppb
2014-07-174G18046-15A0.0580 ppb
2014-07-174G18046-09AND
2014-07-174G18046-13AND
2014-07-174G18046-05A0.190 ppb
2014-07-174G18046-01A0.0330 ppb
2014-07-174G18046-03A0.0450 ppb
2014-07-174G18046-07A0.190 ppb
2014-09-154I17055-01A0.0340 ppb
2014-09-154I17055-03A0.0750 ppb
2014-09-249590-033-1205ND
2014-09-249590-031-1110ND
2014-09-249590-018-1040ND
2014-09-259590-032-1118ND
2014-09-259590-001-1055ND
2014-09-259590-034-1000ND
2014-10-204J21040-01A0.130 ppb
2014-10-204J21040-03A0.150 ppb
2014-10-304J31032-03A0.0690 ppb
2014-10-304J31032-01A0.0440 ppb
2014-12-049590-013-1133ND
2014-12-299590-013-1315ND
2014-12-299590-034-1203ND
2014-12-299590-035-1212ND
2015-01-055A06071-03A0.220 ppb
2015-01-055A06071-01A0.300 ppb
2015-01-275A28011-07A0.160 ppb
2015-01-275A28011-01A0.170 ppb
2015-01-275A28011-03A0.0990 ppb
2015-01-275A28011-05A0.170 ppb
2015-02-049590-035-1111ND
2015-02-249590-033-1020ND
2015-03-269590-031-0955ND
2015-04-029590-040-1432ND
2015-04-159590-026-1128ND
2015-08-139590-013-1250ND
2015-10-019590-034-1205ND
2015-10-289590-032-1020ND
2015-11-109590-001-1020ND
2015-11-189590-018-1221ND
2015-11-239590-035-1100ND
2015-12-029590-001-1204ND
2016-03-309590-018-0915ND
2016-05-189590-013-1058ND
2016-06-149590-026-10401.70 ppb
2016-07-199590-038-1100ND
2016-08-029590-042-1030ND
2016-08-109590-041-1100ND
2016-08-169590-040-1030ND
2016-08-249590-018-1104ND
2016-08-249590-038-1047ND
2016-10-059590-033-1045ND
2016-10-109590-045-1110ND
2016-11-169590-033-1045ND
2017-04-129590-013-1200ND
2017-05-049590-033-1100ND
2017-08-039590-042-1100ND
2017-11-079590-035-1030ND
2017-11-079590-033-1130ND
2017-11-209590-041-1000ND
2017-11-279590-058-1100ND
2017-11-289590-059-1030ND
2018-03-069590-032-1045ND
2018-03-079590-034-1030ND
2018-03-159590-031-1030ND
2018-03-269590-001-1030ND
2018-04-119590-018-1030ND
2018-05-149590-035-1018ND
2018-05-159590-026-10451.90 ppb
2018-06-209590-033-1020ND
2018-08-159590-013-1100ND
2019-03-219590-042-1105ND
2019-04-259588-041-1030ND
2019-05-029588-038-1030ND
2019-05-099588-040-1030ND
2019-05-149588-058-1030ND
2019-05-219588-058-1030ND
2019-08-279588-018-1020ND
2019-09-179588-033-1015ND
2019-10-109588-013-1125ND
2019-11-139588-026-11231.80 ppb
2019-11-149588-059-1015ND