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EWG's Tap Water Database — 2021 UPDATE

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Chromium (hexavalent)

US Army Fort Irwin

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

 

285

Samples

0

Samples exceeding legal limit (MCL)

202

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20144.90 ppb109ND - 8.60 ppb
20153.78 ppb4338ND - 8.10 ppb
20162.12 ppb15590ND - 8.90 ppb
20173.97 ppb2825ND - 7.70 ppb
20183.33 ppb4940ND - 8.10 ppb
2019N/A00N/A

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
2014-07-234790-001-19003.30 ppb
2014-07-234790-002-18503.00 ppb
2014-07-234790-003-18405.00 ppb
2014-07-234790-009-20304.10 ppb
2014-07-234790-012-19508.10 ppb
2014-07-234790-013-19402.60 ppb
2014-10-024790-012-18008.60 ppb
2014-10-024790-100-22157.00 ppb
2014-10-024790-101-2215ND
2014-10-024790-801-18307.30 ppb
2015-04-074790-009-17306.10 ppb
2015-04-074790-012-18005.90 ppb
2015-04-074790-013-1845ND
2015-04-074790-801-19108.10 ppb
2015-04-084790-001-16552.20 ppb
2015-04-084790-002-16503.10 ppb
2015-04-084790-003-16454.60 ppb
2015-04-084790-100-14306.20 ppb
2015-04-084790-101-1430ND
2015-04-084790-800-17304.70 ppb
2015-09-014790-002-19302.40 ppb
2015-09-164790-003-17404.60 ppb
2015-09-234790-012-17007.60 ppb
2015-09-304790-013-15201.80 ppb
2015-11-114790-009-17005.80 ppb
2015-12-024790-001-18403.80 ppb
2015-12-024790-002-18501.90 ppb
2015-12-024790-003-19004.80 ppb
2015-12-024790-009-16405.80 ppb
2015-12-024790-012-16508.10 ppb
2015-12-024790-013-17101.20 ppb
2015-12-024790-100-17304.50 ppb
2015-12-024790-101-1730ND
2015-12-024790-800-19203.20 ppb
2015-12-024790-801-17503.60 ppb
2015-12-28B5L2644-075.90 ppb
2015-12-28B5L2644-100.230 ppb
2015-12-28B5L2644-130.200 ppb
2015-12-28B5L2644-194.40 ppb
2015-12-28B5L2644-174.10 ppb
2015-12-28B5L2644-153.30 ppb
2015-12-28B5L2644-013.80 ppb
2015-12-28B5L2644-045.50 ppb
2015-12-304790-001-20201.20 ppb
2015-12-304790-002-20052.30 ppb
2015-12-304790-003-19555.60 ppb
2015-12-304790-009-22305.70 ppb
2015-12-304790-012-17456.90 ppb
2015-12-304790-013-1735ND
2015-12-304790-100-18155.20 ppb
2015-12-304790-101-1815ND
2015-12-304790-800-20454.00 ppb
2015-12-304790-801-18004.10 ppb
2016-02-104790-001-1450ND
2016-04-064790-001-18002.50 ppb
2016-04-064790-002-17452.90 ppb
2016-04-064790-003-17305.70 ppb
2016-04-064790-012-15458.90 ppb
2016-04-064790-013-16003.50 ppb
2016-04-064790-800-18003.80 ppb
2016-04-064790-801-16155.20 ppb
2016-08-044790-019-0630ND
2016-08-254790-018-11103.80 ppb
2016-08-254790-019-1040ND
2016-08-294790-018-13404.30 ppb
2016-08-294790-019-1340ND
2016-08-304790-018-14344.10 ppb
2016-08-304790-019-1434ND
2016-08-314790-018-07353.90 ppb
2016-08-314790-019-0730ND
2016-09-014790-018-07353.80 ppb
2016-09-014790-019-0730ND
2016-09-024790-018-07303.70 ppb
2016-09-024790-019-0700ND
2016-09-044790-018-21054.30 ppb
2016-09-044790-018-21074.30 ppb
2016-09-044790-019-2105ND
2016-09-044790-019-2109ND
2016-09-054790-018-07104.00 ppb
2016-09-054790-019-0700ND
2016-09-064790-018-07053.80 ppb
2016-09-064790-019-0700ND
2016-09-074790-018-00003.80 ppb
2016-09-074790-019-0000ND
2016-09-084790-018-07004.10 ppb
2016-09-084790-019-13300.0510 ppb
2016-09-094790-018-07003.70 ppb
2016-09-094790-019-07000.230 ppb
2016-09-104790-018-14434.00 ppb
2016-09-104790-019-1443ND
2016-09-114790-018-14434.50 ppb
2016-09-114790-019-1443ND
2016-09-144790-018-13554.20 ppb
2016-09-144790-019-1350ND
2016-09-154790-018-15103.80 ppb
2016-09-154790-019-15000.180 ppb
2016-09-284790-018-07154.60 ppb
2016-09-284790-019-07100.450 ppb
2016-09-294790-018-07053.90 ppb
2016-09-294790-019-0700ND
2016-09-304790-018-07153.80 ppb
2016-09-304790-019-0710ND
2016-10-014790-018-15153.80 ppb
2016-10-014790-019-1520ND
2016-10-024790-018-13333.70 ppb
2016-10-024790-019-1336ND
2016-10-034790-018-07153.20 ppb
2016-10-034790-019-0710ND
2016-10-044790-018-03003.80 ppb
2016-10-044790-018-03023.80 ppb
2016-10-044790-019-0303ND
2016-10-044790-019-0304ND
2016-10-054790-001-19001.50 ppb
2016-10-054790-002-18502.10 ppb
2016-10-054790-003-18405.00 ppb
2016-10-054790-013-17303.40 ppb
2016-10-054790-018-14153.70 ppb
2016-10-054790-019-1410ND
2016-10-054790-800-19204.00 ppb
2016-10-054790-801-18003.40 ppb
2016-10-064790-018-20014.00 ppb
2016-10-064790-019-1957ND
2016-10-074790-018-14154.00 ppb
2016-10-074790-019-1410ND
2016-10-084790-018-15363.50 ppb
2016-10-084790-019-1538ND
2016-10-094790-018-11393.90 ppb
2016-10-094790-019-1143ND
2016-10-104790-018-19143.90 ppb
2016-10-104790-019-1914ND
2016-10-114790-018-19105.10 ppb
2016-10-114790-019-1914ND
2016-10-124790-018-14203.50 ppb
2016-10-124790-019-1415ND
2016-10-134790-018-12204.30 ppb
2016-10-134790-019-12150.150 ppb
2016-10-144790-018-07153.60 ppb
2016-10-144790-019-07050.0330 ppb
2016-10-154790-018-14353.60 ppb
2016-10-154790-019-1438ND
2016-10-164790-018-09163.30 ppb
2016-10-164790-019-0923ND
2016-10-174790-018-14104.40 ppb
2016-10-174790-019-1405ND
2016-10-184790-018-12404.20 ppb
2016-10-184790-019-1235ND
2016-10-194790-018-19263.10 ppb
2016-10-194790-019-1927ND
2016-10-204790-018-12204.30 ppb
2016-10-204790-019-1215ND
2016-10-214790-018-07153.50 ppb
2016-10-224790-018-13123.70 ppb
2016-10-224790-019-1315ND
2016-10-234790-018-10033.70 ppb
2016-10-234790-019-1005ND
2016-10-244790-018-12304.00 ppb
2016-10-244790-019-1220ND
2016-10-254790-018-16153.40 ppb
2016-10-254790-019-1610ND
2016-10-264790-018-12204.10 ppb
2016-10-264790-019-1210ND
2016-10-274790-018-12104.60 ppb
2016-10-274790-019-1215ND
2016-10-294790-018-10113.50 ppb
2016-10-294790-019-1013ND
2016-10-304790-018-08244.20 ppb
2016-10-304790-019-0828ND
2016-10-314790-018-15054.30 ppb
2016-10-314790-019-1500ND
2016-11-014790-018-14173.50 ppb
2016-11-014790-018-14283.90 ppb
2016-11-014790-019-1415ND
2016-11-014790-019-1426ND
2016-11-024790-018-19454.10 ppb
2016-11-024790-019-1947ND
2016-11-034790-018-23303.80 ppb
2016-11-034790-019-2331ND
2016-11-044790-018-02194.40 ppb
2016-11-044790-019-0221ND
2016-11-054790-018-00324.10 ppb
2016-11-054790-018-15354.20 ppb
2016-11-054790-019-0031ND
2016-11-054790-019-1537ND
2016-11-064790-018-09262.30 ppb
2016-11-064790-019-0928ND
2016-11-074790-018-07013.30 ppb
2016-11-074790-019-0706ND
2016-11-084790-018-16453.50 ppb
2016-11-084790-019-16360.0940 ppb
2016-11-094790-018-12393.50 ppb
2016-11-094790-019-1241ND
2016-11-094790-019-1251ND
2016-11-104790-018-14364.20 ppb
2016-11-104790-019-1440ND
2016-11-114790-018-16465.00 ppb
2016-11-114790-019-1650ND
2016-11-124790-018-10294.50 ppb
2016-11-124790-019-1033ND
2016-11-134790-018-09263.60 ppb
2016-11-134790-019-0928ND
2016-11-144790-018-09584.70 ppb
2016-11-144790-019-1000ND
2016-11-154790-018-11565.00 ppb
2016-11-154790-019-1200ND
2016-11-164790-018-15013.80 ppb
2016-11-164790-019-1505ND
2016-11-174790-018-14334.40 ppb
2016-11-174790-019-1430ND
2017-02-094790-012-00005.70 ppb
2017-04-054790-001-15152.30 ppb
2017-04-054790-002-15182.10 ppb
2017-04-054790-009-14255.80 ppb
2017-04-054790-012-1350ND
2017-04-054790-016-15052.80 ppb
2017-04-054790-017-14487.70 ppb
2017-04-054790-800-15351.70 ppb
2017-04-054790-801-14105.90 ppb
2017-05-244790-003-14502.60 ppb
2017-07-184790-001-16051.60 ppb
2017-07-184790-003-15554.30 ppb
2017-07-184790-009-15005.90 ppb
2017-07-184790-012-14206.40 ppb
2017-07-184790-013-1405ND
2017-07-184790-016-16152.90 ppb
2017-07-184790-017-15157.10 ppb
2017-07-184790-800-16353.50 ppb
2017-07-184790-801-14357.10 ppb
2017-10-034790-001-12502.20 ppb
2017-10-034790-003-12355.50 ppb
2017-10-034790-009-14405.60 ppb
2017-10-034790-013-1535ND
2017-10-034790-016-13073.00 ppb
2017-10-034790-017-14156.90 ppb
2017-10-034790-800-13253.30 ppb
2017-10-034790-801-15566.50 ppb
2017-10-054790-012-07252.70 ppb
2018-01-034790-002-13251.70 ppb
2018-01-034790-003-13155.40 ppb
2018-01-034790-009-14505.50 ppb
2018-01-034790-012-15253.50 ppb
2018-01-034790-013-1538ND
2018-01-034790-016-13382.80 ppb
2018-01-034790-017-14207.90 ppb
2018-01-034790-800-13552.30 ppb
2018-01-034790-801-16056.10 ppb
2018-04-044790-002-13441.90 ppb
2018-04-044790-003-13372.20 ppb
2018-04-044790-009-15465.70 ppb
2018-04-044790-012-15033.30 ppb
2018-04-044790-013-1516ND
2018-04-044790-016-14002.90 ppb
2018-04-044790-017-16108.10 ppb
2018-04-044790-800-14122.50 ppb
2018-04-044790-801-15305.80 ppb
2018-05-164790-001-1519ND
2018-07-024790-001-13301.90 ppb
2018-07-024790-002-13402.20 ppb
2018-07-024790-003-13505.30 ppb
2018-07-024790-009-13025.60 ppb
2018-07-024790-012-12154.20 ppb
2018-07-024790-013-1225ND
2018-07-024790-016-14052.80 ppb
2018-07-024790-017-15007.90 ppb
2018-07-024790-800-14162.80 ppb
2018-07-024790-801-1242ND
2018-07-104790-001-10431.50 ppb
2018-07-104790-002-10192.20 ppb
2018-07-104790-003-13554.50 ppb
2018-07-104790-009-11455.60 ppb
2018-07-104790-012-12405.40 ppb
2018-07-104790-013-1228ND
2018-07-104790-016-11132.80 ppb
2018-07-104790-017-13207.00 ppb
2018-07-104790-800-11282.70 ppb
2018-07-104790-801-1255ND
2018-10-094790-001-12402.70 ppb
2018-10-094790-002-12303.00 ppb
2018-10-094790-009-12165.40 ppb
2018-10-094790-012-12354.00 ppb
2018-10-094790-013-1300ND
2018-10-094790-016-12502.90 ppb
2018-10-094790-017-13358.10 ppb
2018-10-094790-800-13052.20 ppb
2018-10-094790-801-1316ND
2018-12-044790-003-13452.80 ppb