Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Chromium (hexavalent)

Phelan Pinon Hills CSD

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

 

218

Samples

0

Samples exceeding legal limit (MCL)

175

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20149.41 ppb29290.290 ppb - 17.0 ppb
20157.73 ppb4838ND - 21.0 ppb
20168.18 ppb4032ND - 18.0 ppb
20179.93 ppb2522ND - 20.0 ppb
20187.92 ppb4732ND - 22.0 ppb
20198.24 ppb2922ND - 21.0 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
2014-01-283761-006-084013.0 ppb
2014-01-283761-011-091117.0 ppb
2014-01-283761-012-09179.80 ppb
2014-01-283761-013-085915.0 ppb
2014-01-283761-016-085012.0 ppb
2014-05-19B4E1827-1712.0 ppb
2014-05-19B4E1827-130.290 ppb
2014-05-19B4E1827-239.40 ppb
2014-05-19B4E1827-1112.0 ppb
2014-05-19B4E1827-0712.0 ppb
2014-05-19B4E1827-154.70 ppb
2014-05-19B4E1827-1912.0 ppb
2014-05-19B4E1827-0312.0 ppb
2014-05-19B4E1827-0110.00 ppb
2014-05-19B4E1827-092.30 ppb
2014-05-19B4E1827-0513.0 ppb
2014-05-19B4E1827-210.870 ppb
2014-11-10B4K0976-0312.0 ppb
2014-11-10B4K0976-110.290 ppb
2014-11-10B4K0976-2312.0 ppb
2014-11-10B4K0976-214.40 ppb
2014-11-10B4K0976-1512.0 ppb
2014-11-10B4K0976-1312.0 ppb
2014-11-10B4K0976-1711.0 ppb
2014-11-10B4K0976-1910.00 ppb
2014-11-10B4K0976-0112.0 ppb
2014-11-10B4K0976-071.70 ppb
2014-11-10B4K0976-0517.0 ppb
2014-11-10B4K0976-091.000 ppb
2015-01-123761-002-141015.0 ppb
2015-01-123761-005-14021.40 ppb
2015-01-123761-009-1337ND
2015-01-123761-015-1210ND
2015-01-123761-017-1215ND
2015-01-203761-002-10459.50 ppb
2015-01-203761-005-10551.20 ppb
2015-01-203761-006-085017.0 ppb
2015-01-203761-007-08556.10 ppb
2015-01-203761-009-1144ND
2015-01-203761-011-093821.0 ppb
2015-01-203761-012-093310.00 ppb
2015-01-203761-013-094421.0 ppb
2015-01-213761-016-094212.0 ppb
2015-04-083761-002-125018.0 ppb
2015-04-083761-005-12402.40 ppb
2015-04-083761-006-112010.00 ppb
2015-04-083761-007-11308.30 ppb
2015-04-083761-009-13201.20 ppb
2015-06-083761-011-093213.0 ppb
2015-06-083761-012-09278.70 ppb
2015-06-083761-013-091514.0 ppb
2015-06-103761-015-1121ND
2015-06-103761-017-1117ND
2015-06-223761-016-09307.00 ppb
2015-06-303761-016-08348.60 ppb
2015-07-153761-011-080014.0 ppb
2015-07-153761-012-07509.10 ppb
2015-07-153761-013-081014.0 ppb
2015-07-153761-015-0900ND
2015-07-153761-016-083010.00 ppb
2015-07-213761-002-09005.00 ppb
2015-07-213761-005-09151.50 ppb
2015-07-213761-009-09351.10 ppb
2015-07-213761-017-0825ND
2015-07-283761-006-082515.0 ppb
2015-07-283761-007-083012.0 ppb
2015-12-013761-005-09304.00 ppb
2015-12-013761-009-09201.20 ppb
2015-12-013761-015-0840ND
2015-12-013761-017-0850ND
2015-12-023761-011-091516.0 ppb
2015-12-033761-012-113010.00 ppb
2015-12-073761-013-084514.0 ppb
2015-12-083761-007-11309.20 ppb
2015-12-103761-006-100011.0 ppb
2015-12-143761-002-09005.70 ppb
2015-12-163761-016-102013.0 ppb
2016-02-103761-002-09506.20 ppb
2016-02-103761-005-09401.60 ppb
2016-02-163761-015-0840ND
2016-02-163761-017-0835ND
2016-03-013761-006-083010.00 ppb
2016-03-023761-007-08308.90 ppb
2016-03-023761-009-0945ND
2016-03-033761-013-084015.0 ppb
2016-03-033761-016-082013.0 ppb
2016-03-083761-011-091015.0 ppb
2016-03-083761-012-09209.10 ppb
2016-04-053761-002-09005.20 ppb
2016-04-053761-005-09151.50 ppb
2016-04-183761-009-10001.20 ppb
2016-04-273761-011-103016.0 ppb
2016-04-273761-012-10159.20 ppb
2016-04-273761-013-100015.0 ppb
2016-05-033761-006-114510.00 ppb
2016-05-033761-007-12009.30 ppb
2016-05-033761-015-0955ND
2016-05-033761-016-110013.0 ppb
2016-05-033761-017-1005ND
2016-07-113761-002-09154.90 ppb
2016-07-113761-005-09001.60 ppb
2016-07-113761-009-0940ND
2016-07-123761-006-132511.0 ppb
2016-07-123761-007-13159.10 ppb
2016-07-183761-015-0910ND
2016-07-183761-017-0915ND
2016-07-193761-011-084014.0 ppb
2016-07-193761-012-08159.40 ppb
2016-07-193761-013-112018.0 ppb
2016-07-193761-016-110513.0 ppb
2016-09-083761-016-084513.0 ppb
2016-11-293761-002-11307.00 ppb
2016-11-293761-006-081511.0 ppb
2016-11-293761-011-100514.0 ppb
2016-11-293761-013-102014.0 ppb
2016-11-293761-016-103013.0 ppb
2016-12-133761-013-090015.0 ppb
2017-02-163761-002-09455.10 ppb
2017-02-163761-006-090513.0 ppb
2017-02-163761-016-084011.0 ppb
2017-02-223761-011-112514.0 ppb
2017-04-033761-017-0930ND
2017-04-113761-002-10206.00 ppb
2017-04-113761-006-094511.0 ppb
2017-04-113761-011-120015.0 ppb
2017-04-113761-016-113014.0 ppb
2017-06-123761-007-13309.30 ppb
2017-07-053761-002-09404.20 ppb
2017-07-053761-006-08459.80 ppb
2017-07-053761-011-091515.0 ppb
2017-07-053761-016-090013.0 ppb
2017-07-173761-013-09305.00 ppb
2017-11-083761-002-09105.40 ppb
2017-11-083761-005-09001.50 ppb
2017-11-083761-006-104015.0 ppb
2017-11-083761-007-110015.0 ppb
2017-11-083761-011-112020.0 ppb
2017-11-083761-012-111516.0 ppb
2017-11-083761-013-113013.0 ppb
2017-11-083761-015-0930ND
2017-11-083761-017-0945ND
2017-11-133761-016-130017.0 ppb
2018-01-033761-002-08455.10 ppb
2018-01-033761-005-08401.50 ppb
2018-01-033761-006-093012.0 ppb
2018-01-033761-007-090011.0 ppb
2018-01-033761-011-082020.0 ppb
2018-01-033761-012-083012.0 ppb
2018-01-033761-013-081018.0 ppb
2018-01-033761-015-1045ND
2018-01-033761-017-1050ND
2018-01-083761-015-0945ND
2018-01-083761-016-131518.0 ppb
2018-01-083761-017-1000ND
2018-02-053761-002-08155.60 ppb
2018-02-083761-011-113014.0 ppb
2018-04-033761-006-10509.80 ppb
2018-04-033761-007-10408.40 ppb
2018-04-033761-011-075517.0 ppb
2018-04-033761-012-07459.80 ppb
2018-04-033761-013-080012.0 ppb
2018-04-033761-015-0820ND
2018-04-033761-017-0830ND
2018-04-093761-016-114522.0 ppb
2018-04-103761-002-11457.30 ppb
2018-04-103761-005-11301.60 ppb
2018-04-103761-009-1100ND
2018-07-103761-002-11085.20 ppb
2018-07-103761-006-115615.0 ppb
2018-07-103761-007-121010.00 ppb
2018-07-103761-009-1134ND
2018-07-103761-011-102919.0 ppb
2018-07-103761-012-101511.0 ppb
2018-07-103761-013-095812.0 ppb
2018-07-103761-015-0828ND
2018-07-103761-016-094113.0 ppb
2018-07-103761-017-0848ND
2018-08-133761-005-0945ND
2018-10-013761-006-090010.00 ppb
2018-10-013761-007-09108.20 ppb
2018-10-013761-009-1005ND
2018-10-013761-011-104818.0 ppb
2018-10-013761-012-105810.00 ppb
2018-10-013761-013-094013.0 ppb
2018-10-083761-015-0909ND
2018-10-083761-017-0918ND
2018-10-093761-002-08345.60 ppb
2018-10-093761-005-0844ND
2018-10-093761-016-114017.0 ppb
2019-01-073761-006-090011.0 ppb
2019-01-073761-007-09118.60 ppb
2019-01-073761-009-0335ND
2019-01-073761-011-103514.0 ppb
2019-01-073761-012-10489.30 ppb
2019-01-073761-013-120817.0 ppb
2019-01-143761-002-09557.00 ppb
2019-01-143761-005-1008ND
2019-01-143761-015-1048ND
2019-01-143761-016-114021.0 ppb
2019-01-143761-017-1100ND
2019-04-023761-006-09489.10 ppb
2019-04-023761-015-1225ND
2019-04-083761-016-101520.0 ppb
2019-07-033761-005-11091.60 ppb
2019-07-033761-012-094010.00 ppb
2019-09-093761-016-103019.0 ppb
2019-10-013761-006-08249.30 ppb
2019-10-013761-007-08347.80 ppb
2019-10-013761-015-0926ND
2019-10-013761-016-100618.0 ppb
2019-10-013761-017-0936ND
2019-10-073761-002-10484.70 ppb
2019-10-073761-005-10581.50 ppb
2019-10-073761-009-09421.20 ppb
2019-10-073761-011-111115.0 ppb
2019-10-073761-012-112110.00 ppb
2019-10-073761-013-112912.0 ppb
2019-12-093761-013-114212.0 ppb