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EWG's Tap Water Database — 2021 UPDATE

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Barium

California Water Service (CWS) - Salinas

Barium is a mineral present in rocks, soil and water. High concentrations of barium in drinking water increase the risk of cardiovascular disease and hypertension.

MORE ABOUT THIS CONTAMINANT

 

101

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
201460.1 ppb149ND - 130.0 ppb
201544.8 ppb137ND - 140.0 ppb
201637.1 ppb144ND - 150.0 ppb
201730.7 ppb154ND - 130.0 ppb
20185.00 ppb241ND - 120.0 ppb
201917.1 ppb213ND - 130.0 ppb

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 700 ppb

The EWG Health Guideline of 700 ppb for barium was defined by EWG as benchmark that protects against harm to the kidneys and the cardiovascular system.

EPA Maximum Contaminant
Level (MCL) 2,000 ppb

The legal limit for barium, established in 1991, was based on a 10-week study of barium exposure in 11 adult male volunteers. This limit does not include any additional consideration of children’s health.

ppb = parts per billion

All test results

Date Lab ID Result
2014-01-159590-019-1331ND
2014-04-229590-039-1112ND
2014-06-105701-104-131853.5 ppb
2014-06-179590-026-1239130.0 ppb
2014-07-095701-030-1340124.3 ppb
2014-08-085701-102-142783.6 ppb
2014-08-139590-028-1355120.0 ppb
2014-08-259590-030-1105130.0 ppb
2014-08-269590-029-1025ND
2014-09-259590-027-0937ND
2014-09-259590-046-1343ND
2014-11-125701-024-121044.4 ppb
2014-11-125701-037-112665.6 ppb
2014-11-125701-102-101789.3 ppb
2015-01-225701-023-111959.3 ppb
2015-01-225701-043-135871.6 ppb
2015-02-189590-009-1400ND
2015-02-189590-106-1315ND
2015-03-119590-037-1110ND
2015-03-119590-041-1030ND
2015-04-219590-008-1453140.0 ppb
2015-05-195701-102-114087.7 ppb
2015-06-039590-006-1010110.0 ppb
2015-06-165701-104-141352.7 ppb
2015-07-229590-005-1536ND
2015-07-225701-023-102861.2 ppb
2015-10-205701-023-1121ND
2016-01-269590-020-1326ND
2016-01-279590-018-1020ND
2016-02-039590-022-1410ND
2016-02-109590-103-1330130.0 ppb
2016-02-169590-103-1433140.0 ppb
2016-02-229590-024-1515ND
2016-03-039590-015-1433ND
2016-05-049590-017-1429ND
2016-05-129590-102-1427ND
2016-06-285701-023-1349ND
2016-06-289590-023-1358ND
2016-12-289590-027-1513ND
2016-12-289590-123-1442100.0 ppb
2016-12-299590-008-1415150.0 ppb
2017-01-109590-019-1355ND
2017-01-105701-023-1319ND
2017-02-279590-027-1516ND
2017-03-029590-132-1050ND
2017-08-159590-026-1426130.0 ppb
2017-08-239590-029-1413ND
2017-09-199590-046-1423ND
2017-10-175701-023-1152ND
2017-10-179590-030-1331100.0 ppb
2017-11-209590-008-1341120.0 ppb
2017-11-209590-014-1416ND
2017-11-219590-104-1352ND
2017-11-219590-131-1252ND
2017-11-289590-043-1424ND
2017-11-299590-030-1455110.0 ppb
2018-02-149590-006-1421120.0 ppb
2018-02-219590-104-1354ND
2018-03-149590-009-1305ND
2018-03-149590-037-1352ND
2018-03-155701-014-1110ND
2018-03-155701-046-1112ND
2018-03-155701-131-1151ND
2018-03-209590-132-1010ND
2018-03-285701-020-1036ND
2018-03-285701-022-1323ND
2018-04-125701-014-1356ND
2018-04-125701-020-1253ND
2018-04-125701-022-1010ND
2018-04-125701-046-1357ND
2018-04-189590-017-1210ND
2018-04-269590-041-1329ND
2018-06-195701-020-1040ND
2018-06-255701-133-1416ND
2018-06-269590-106-1425ND
2018-07-245701-133-1334ND
2018-07-259590-005-1300ND
2018-09-189590-106-1416ND
2018-12-185701-009-0906ND
2018-12-185701-132-1051ND
2019-01-089590-020-1221ND
2019-01-089590-022-1146ND
2019-01-239590-024-1348ND
2019-01-299590-018-1409ND
2019-01-309590-043-1405ND
2019-02-129590-103-1329130.0 ppb
2019-02-225701-014-1407ND
2019-02-225701-020-1050ND
2019-02-225701-022-1027ND
2019-02-225701-046-1410ND
2019-02-225701-106-1010ND
2019-02-225701-132-1128ND
2019-02-259590-030-1344110.0 ppb
2019-03-149590-015-1444ND
2019-04-099590-008-1421120.0 ppb
2019-04-119590-023-1403ND
2019-05-099590-017-1431ND
2019-05-239590-102-1320ND
2019-10-109590-027-1313ND
2019-10-109590-131-1345ND
2019-11-189590-123-1300ND