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EWG's Tap Water Database — 2021 UPDATE

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Chromium (hexavalent)

USMC - 29 Palms

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

 

152

Samples

0

Samples exceeding legal limit (MCL)

133

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
201313.0 ppb2213.0 ppb
201411.1 ppb994.10 ppb - 21.0 ppb
201513.6 ppb12128.40 ppb - 20.0 ppb
20166.89 ppb1915ND - 23.0 ppb
20179.50 ppb4336ND - 22.0 ppb
20189.91 ppb3832ND - 21.0 ppb
201913.7 ppb2927ND - 100.0 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
2013-08-15B3H1692-0113.0 ppb
2013-08-15B3H1692-0313.0 ppb
2014-02-11B4B1083-0311.0 ppb
2014-02-11B4B1083-0111.0 ppb
2014-10-224790-001-10307.60 ppb
2014-10-224790-003-100018.0 ppb
2014-10-224790-004-10504.10 ppb
2014-10-224790-005-10406.10 ppb
2014-10-224790-010-110512.0 ppb
2014-10-224790-011-11258.80 ppb
2014-10-224790-013-101521.0 ppb
2015-01-264790-010-124513.0 ppb
2015-01-264790-013-11409.50 ppb
2015-03-024790-003-110017.0 ppb
2015-04-224790-003-093019.0 ppb
2015-04-224790-010-10358.90 ppb
2015-04-224790-013-094012.0 ppb
2015-07-294790-003-105020.0 ppb
2015-07-294790-010-12208.40 ppb
2015-07-294790-013-110212.0 ppb
2015-10-214790-003-104019.0 ppb
2015-10-214790-010-12308.90 ppb
2015-10-214790-013-111015.0 ppb
2016-05-114790-006-1050ND
2016-05-114790-007-11309.20 ppb
2016-05-114790-008-11107.70 ppb
2016-05-274790-003-10301.10 ppb
2016-05-274790-010-10102.50 ppb
2016-05-274790-013-102016.0 ppb
2016-08-244790-003-111519.0 ppb
2016-08-244790-007-12154.80 ppb
2016-08-244790-010-12457.90 ppb
2016-08-244790-013-112512.0 ppb
2016-09-074790-006-1025ND
2016-09-214790-008-1020ND
2016-11-024790-006-1305ND
2016-11-024790-007-12058.40 ppb
2016-11-024790-008-12451.90 ppb
2016-11-024790-009-12551.40 ppb
2016-11-024790-010-12304.10 ppb
2016-11-024790-013-113012.0 ppb
2016-11-234790-003-103023.0 ppb
2017-01-184790-001-11108.30 ppb
2017-01-184790-003-101522.0 ppb
2017-01-184790-004-11409.60 ppb
2017-01-184790-005-11257.20 ppb
2017-01-184790-006-1335ND
2017-01-184790-007-120010.00 ppb
2017-01-184790-008-124513.0 ppb
2017-01-184790-009-13155.70 ppb
2017-01-184790-010-13009.90 ppb
2017-01-184790-011-122512.0 ppb
2017-01-184790-013-105013.0 ppb
2017-02-224790-001-10356.80 ppb
2017-02-224790-003-100520.0 ppb
2017-02-224790-004-11059.40 ppb
2017-02-224790-005-10507.70 ppb
2017-02-224790-006-1215ND
2017-02-224790-007-11209.50 ppb
2017-02-224790-008-120510.00 ppb
2017-02-224790-009-12354.40 ppb
2017-02-224790-010-11459.10 ppb
2017-02-224790-011-113511.0 ppb
2017-02-224790-013-102019.0 ppb
2017-05-034790-003-105020.0 ppb
2017-05-034790-006-1215ND
2017-05-034790-007-114012.0 ppb
2017-05-034790-008-120511.0 ppb
2017-05-034790-010-12009.10 ppb
2017-05-034790-013-105520.0 ppb
2017-05-174790-009-10302.70 ppb
2017-08-164790-003-102020.0 ppb
2017-08-164790-006-1115ND
2017-08-164790-007-10451.90 ppb
2017-08-164790-008-1100ND
2017-08-164790-009-1125ND
2017-08-164790-010-10551.60 ppb
2017-08-164790-013-102519.0 ppb
2017-10-254790-003-103020.0 ppb
2017-10-254790-006-1345ND
2017-10-254790-007-121011.0 ppb
2017-10-254790-008-130014.0 ppb
2017-10-254790-009-13101.30 ppb
2017-10-254790-010-12459.10 ppb
2017-10-254790-013-104518.0 ppb
2018-01-244790-003-103019.0 ppb
2018-01-244790-006-1300ND
2018-01-244790-007-120012.0 ppb
2018-01-244790-009-12506.30 ppb
2018-01-244790-010-12207.50 ppb
2018-01-244790-013-104521.0 ppb
2018-02-274790-001-11408.30 ppb
2018-02-274790-003-110021.0 ppb
2018-02-274790-004-123012.0 ppb
2018-02-274790-005-12008.00 ppb
2018-02-274790-006-1255ND
2018-02-274790-007-132012.0 ppb
2018-02-274790-013-112020.0 ppb
2018-02-284790-008-11458.50 ppb
2018-02-284790-009-12008.00 ppb
2018-02-284790-010-11008.90 ppb
2018-02-284790-011-113012.0 ppb
2018-05-304790-003-110019.0 ppb
2018-05-304790-006-14001.20 ppb
2018-05-304790-007-12409.40 ppb
2018-05-304790-008-133015.0 ppb
2018-05-304790-009-1340ND
2018-05-304790-010-13106.80 ppb
2018-05-304790-013-112018.0 ppb
2018-07-184790-003-110019.0 ppb
2018-07-184790-006-1150ND
2018-07-184790-007-120012.0 ppb
2018-07-184790-008-12308.00 ppb
2018-07-184790-009-12408.70 ppb
2018-07-184790-010-1220ND
2018-07-184790-013-11106.60 ppb
2018-10-314790-003-103021.0 ppb
2018-10-314790-006-1150ND
2018-10-314790-007-11108.20 ppb
2018-10-314790-008-11353.00 ppb
2018-10-314790-009-11409.10 ppb
2018-10-314790-010-113011.0 ppb
2018-10-314790-013-104016.0 ppb
2019-01-304790-001-110011.0 ppb
2019-01-304790-003-104021.0 ppb
2019-01-304790-004-112012.0 ppb
2019-01-304790-005-11107.20 ppb
2019-01-304790-006-1220ND
2019-01-304790-007-11303.50 ppb
2019-01-304790-008-120014.0 ppb
2019-01-304790-009-12109.20 ppb
2019-01-304790-010-115011.0 ppb
2019-01-304790-011-114012.0 ppb
2019-01-304790-013-105017.0 ppb
2019-04-174790-003-103018.0 ppb
2019-04-174790-006-1200ND
2019-04-174790-007-11105.60 ppb
2019-04-174790-008-113014.0 ppb
2019-04-174790-009-11408.90 ppb
2019-04-174790-010-11203.30 ppb
2019-04-174790-013-104020.0 ppb
2019-07-319588-003-1100100.0 ppb
2019-07-319588-007-11307.70 ppb
2019-07-319588-008-120515.0 ppb
2019-07-319588-009-12199.70 ppb
2019-07-319588-010-11506.90 ppb
2019-10-234790-003-104020.0 ppb
2019-10-234790-007-113012.0 ppb
2019-10-234790-008-11501.50 ppb
2019-10-234790-009-12009.50 ppb
2019-10-234790-010-12109.40 ppb
2019-10-234790-013-110018.0 ppb