Know Your Environment. Protect Your Health.

Chromium (hexavalent)

California Water Service Company Las Lomas

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).

 

238

Samples

0

Samples exceeding legal limit (MCL)

237

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
201812.3 ppb41411.70 ppb - 33.0 ppb
201913.1 ppb40402.00 ppb - 36.0 ppb
202011.7 ppb36362.40 ppb - 34.0 ppb
202111.1 ppb4140ND - 27.0 ppb
202211.3 ppb40401.90 ppb - 38.0 ppb
202311.1 ppb40401.90 ppb - 27.0 ppb

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

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
2018-01-03CA2710013_003_003-20180103104325.0 ppb
2018-01-03CA2710013_009_009-2018010310203.60 ppb
2018-01-03CA2710013_010_010-2018010310444.90 ppb
2018-01-03CA2710013_009_009-2018010310193.60 ppb
2018-02-13CA2710013_004_004-20180213111822.0 ppb
2018-02-13CA2710013_009_009-2018021311172.40 ppb
2018-02-13CA2710013_010_010-2018021310395.10 ppb
2018-02-13CA2710013_003_003-20180213103822.0 ppb
2018-03-05CA2710013_003_003-20180305101533.0 ppb
2018-03-05CA2710013_009_009-2018030509441.70 ppb
2018-03-05CA2710013_010_010-2018030510163.80 ppb
2018-04-02CA2710013_009_009-2018040209262.70 ppb
2018-04-02CA2710013_010_010-2018040209482.60 ppb
2018-04-02CA2710013_003_003-20180402094728.0 ppb
2018-05-08CA2710013_004_004-20180508135225.0 ppb
2018-05-08CA2710013_009_009-2018050813543.00 ppb
2018-05-08CA2710013_003_003-20180508142029.0 ppb
2018-05-08CA2710013_010_010-2018050814223.20 ppb
2018-06-05CA2710013_010_010-2018060511143.20 ppb
2018-06-05CA2710013_009_009-2018060510432.30 ppb
2018-06-05CA2710013_003_003-20180605111322.0 ppb
2018-07-05CA2710013_009_009-2018070509292.50 ppb
2018-07-05CA2710013_003_003-20180705094924.0 ppb
2018-07-05CA2710013_010_010-2018070509503.70 ppb
2018-08-07CA2710013_003_003-20180807130331.0 ppb
2018-08-07CA2710013_004_004-20180807124324.0 ppb
2018-08-07CA2710013_009_009-2018080712443.10 ppb
2018-08-07CA2710013_010_010-2018080713044.40 ppb
2018-09-04CA2710013_009_009-2018090410313.90 ppb
2018-09-04CA2710013_010_010-2018090410404.20 ppb
2018-09-04CA2710013_003_003-20180904103932.0 ppb
2018-10-02CA2710013_009_009-2018100210492.00 ppb
2018-10-02CA2710013_010_010-2018100211036.10 ppb
2018-10-02CA2710013_003_003-20181002110222.0 ppb
2018-11-05CA2710013_009_009-2018110510463.50 ppb
2018-11-05CA2710013_004_004-20181105104523.0 ppb
2018-11-05CA2710013_003_003-20181105110030.0 ppb
2018-11-05CA2710013_010_010-2018110511015.00 ppb
2018-12-05CA2710013_003_003-20181205095321.0 ppb
2018-12-05CA2710013_009_009-2018120510103.90 ppb
2018-12-05CA2710013_010_010-2018120509545.80 ppb
2019-01-09CA2710013_009_009-2019010912112.90 ppb
2019-01-09CA2710013_010_010-2019010911405.60 ppb
2019-01-09CA2710013_003_003-20190109113922.0 ppb
2019-02-05CA2710013_009_009-2019020510202.90 ppb
2019-02-05CA2710013_010_010-2019020510455.30 ppb
2019-02-05CA2710013_003_003-20190205104422.0 ppb
2019-02-05CA2710013_004_004-20190205101936.0 ppb
2019-03-04CA2710013_003_003-20190304111422.0 ppb
2019-03-04CA2710013_009_009-2019030411402.40 ppb
2019-03-04CA2710013_010_010-2019030411155.40 ppb
2019-04-09CA2710013_003_003-20190409122822.0 ppb
2019-04-09CA2710013_009_009-2019040910062.30 ppb
2019-04-09CA2710013_010_010-2019040912296.10 ppb
2019-05-07CA2710013_003_003-20190507111722.0 ppb
2019-05-07CA2710013_004_004-20190507103323.0 ppb
2019-05-07CA2710013_009_009-2019050710352.00 ppb
2019-05-07CA2710013_010_010-2019050711186.90 ppb
2019-06-05CA2710013_009_009-2019060511583.40 ppb
2019-06-05CA2710013_003_003-20190605103630.0 ppb
2019-06-05CA2710013_010_010-2019060510419.00 ppb
2019-07-09CA2710013_009_009-2019070911185.00 ppb
2019-07-09CA2710013_003_003-20190709103823.0 ppb
2019-07-23CA2710013_010_010-20190723135010.00 ppb
2019-08-06CA2710013_004_004-20190806133328.0 ppb
2019-08-06CA2710013_003_003-20190806130324.0 ppb
2019-08-06CA2710013_010_010-20190806130510.00 ppb
2019-08-06CA2710013_009_009-2019080613343.70 ppb
2019-09-04CA2710013_003_003-20190904102223.0 ppb
2019-09-04CA2710013_010_010-2019090410239.20 ppb
2019-09-04CA2710013_009_009-2019090409503.70 ppb
2019-10-07CA2710013_003_003-20191007115423.0 ppb
2019-10-07CA2710013_009_009-2019100711392.40 ppb
2019-10-07CA2710013_010_010-2019100711559.20 ppb
2019-11-05CA2710013_010_010-2019110510456.60 ppb
2019-11-05CA2710013_003_003-20191105104423.0 ppb
2019-11-05CA2710013_009_009-2019110510312.50 ppb
2019-11-05CA2710013_004_004-20191105103027.0 ppb
2019-12-05CA2710013_010_010-2019120512037.70 ppb
2019-12-05CA2710013_003_003-20191205120225.0 ppb
2019-12-05CA2710013_009_009-2019120511404.20 ppb
2020-01-08CA2710013_009_009-2020010810503.60 ppb
2020-01-08CA2710013_010_010-2020010810387.10 ppb
2020-01-08CA2710013_003_003-20200108103923.0 ppb
2020-02-04CA2710013_010_010-2020020413256.20 ppb
2020-02-04CA2710013_004_004-20200204124724.0 ppb
2020-02-04CA2710013_003_003-20200204132634.0 ppb
2020-02-04CA2710013_009_009-2020020412512.40 ppb
2020-03-04CA2710013_003_003-20200304104022.0 ppb
2020-03-04CA2710013_009_009-2020030410313.60 ppb
2020-03-04CA2710013_010_010-2020030410436.70 ppb
2020-04-08CA2710013_003_003-20200408122323.0 ppb
2020-04-08CA2710013_009_009-2020040812462.50 ppb
2020-04-08CA2710013_010_010-2020040812246.30 ppb
2020-05-06CA2710013_003_003-20200506103322.0 ppb
2020-05-06CA2710013_009_009-2020050611024.20 ppb
2020-05-06CA2710013_010_010-2020050610324.00 ppb
2020-05-06CA2710013_004_004-20200506105923.0 ppb
2020-06-02CA2710013_003_003-20200602134923.0 ppb
2020-06-02CA2710013_009_009-2020060213514.10 ppb
2020-06-02CA2710013_010_010-2020060213505.10 ppb
2020-07-30CA2710013_009_009-2020073009192.80 ppb
2020-07-30CA2710013_010_010-2020073009274.20 ppb
2020-07-30CA2710013_003_003-20200730092623.0 ppb
2020-09-16CA2710013_009_009-2020091610442.60 ppb
2020-09-16CA2710013_010_010-2020091611053.80 ppb
2020-09-16CA2710013_003_003-20200916110423.0 ppb
2020-10-07CA2710013_003_003-20201007102623.0 ppb
2020-10-07CA2710013_010_010-2020100710293.30 ppb
2020-10-07CA2710013_009_009-2020100710193.60 ppb
2020-11-05CA2710013_009_009-2020110513532.90 ppb
2020-11-05CA2710013_010_010-2020110513334.10 ppb
2020-11-05CA2710013_004_004-20201105135122.0 ppb
2020-11-05CA2710013_003_003-20201105133222.0 ppb
2020-12-03CA2710013_009_009-2020120309323.50 ppb
2020-12-15CA2710013_010_010-2020121512063.90 ppb
2020-12-15CA2710013_003_003-20201215120523.0 ppb
2021-01-04CA2710013_003_003-20210104092623.0 ppb
2021-01-04CA2710013_010_010-2021010409273.00 ppb
2021-01-26CA2710013_009_009-2021012614483.30 ppb
2021-02-11CA2710013_009_009-2021021109453.00 ppb
2021-02-11CA2710013_003_003-20210211090926.0 ppb
2021-02-11CA2710013_004_004-20210211094424.0 ppb
2021-02-11CA2710013_010_010-2021021109112.90 ppb
2021-03-02CA2710013_003_003-20210302121623.0 ppb
2021-03-02CA2710013_009_009-2021030212003.50 ppb
2021-03-02CA2710013_010_010-2021030212172.80 ppb
2021-04-13CA2710013_009_009-2021041311503.30 ppb
2021-04-13CA2710013_003_003-20210413121223.0 ppb
2021-04-13CA2710013_010_010-2021041312133.40 ppb
2021-05-11CA2710013_003_003-20210511132722.0 ppb
2021-05-11CA2710013_009_009-2021051113143.40 ppb
2021-05-11CA2710013_004_004-20210511131324.0 ppb
2021-05-11CA2710013_010_010-2021051113283.70 ppb
2021-06-03CA2710013_010_010-2021060312553.90 ppb
2021-06-03CA2710013_003_003-20210603125625.0 ppb
2021-06-03CA2710013_009_009-202106031054ND
2021-07-13CA2710013_003_003-20210713103122.0 ppb
2021-07-13CA2710013_010_010-2021071310333.30 ppb
2021-07-14CA2710013_009_009-2021071409167.20 ppb
2021-08-11CA2710013_003_003-20210811101719.0 ppb
2021-08-11CA2710013_009_009-2021081109594.90 ppb
2021-08-11CA2710013_004_004-20210811095821.0 ppb
2021-08-11CA2710013_010_010-2021081110183.80 ppb
2021-09-14CA2710013_010_010-2021091412313.90 ppb
2021-09-14CA2710013_003_003-20210914123022.0 ppb
2021-09-14CA2710013_009_009-2021091412421.70 ppb
2021-09-21CA2710013_001_001-2021092112237.70 ppb
2021-10-12CA2710013_009_009-2021101211324.00 ppb
2021-10-12CA2710013_010_010-2021101211513.10 ppb
2021-10-12CA2710013_003_003-20211012115022.0 ppb
2021-11-18CA2710013_004_004-20211118111420.0 ppb
2021-11-18CA2710013_009_009-2021111811151.80 ppb
2021-11-18CA2710013_010_010-2021111811423.80 ppb
2021-11-18CA2710013_003_003-20211118114022.0 ppb
2021-12-13CA2710013_010_010-2021121311024.30 ppb
2021-12-13CA2710013_003_003-20211213110027.0 ppb
2021-12-13CA2710013_009_009-2021121310443.50 ppb
2022-01-13CA2710013_009_009-2022011312493.50 ppb
2022-01-13CA2710013_003_003-20220113131521.0 ppb
2022-01-13CA2710013_010_010-2022011313164.50 ppb
2022-02-01CA2710013_003_003-20220201095121.0 ppb
2022-02-01CA2710013_004_004-20220201093822.0 ppb
2022-02-01CA2710013_009_009-2022020109392.50 ppb
2022-02-01CA2710013_010_010-2022020109525.20 ppb
2022-03-08CA2710013_009_009-2022030810005.00 ppb
2022-03-08CA2710013_010_010-2022030810153.80 ppb
2022-03-08CA2710013_003_003-20220308101421.0 ppb
2022-04-07CA2710013_009_009-2022040712062.80 ppb
2022-04-07CA2710013_003_003-20220407122923.0 ppb
2022-04-07CA2710013_010_010-2022040712305.00 ppb
2022-05-03CA2710013_003_003-20220503111521.0 ppb
2022-05-03CA2710013_009_009-2022050310574.90 ppb
2022-05-03CA2710013_004_004-20220503105522.0 ppb
2022-05-03CA2710013_010_010-2022050311163.20 ppb
2022-06-29CA2710013_003_003-20220629131723.0 ppb
2022-06-29CA2710013_009_009-2022062913064.30 ppb
2022-06-29CA2710013_010_010-2022062913202.20 ppb
2022-07-12CA2710013_009_009-2022071211362.70 ppb
2022-07-12CA2710013_010_010-2022071211513.10 ppb
2022-07-12CA2710013_003_003-20220712114922.0 ppb
2022-08-03CA2710013_003_003-20220803140023.0 ppb
2022-08-03CA2710013_004_004-20220803134011.0 ppb
2022-08-03CA2710013_010_010-2022080314012.90 ppb
2022-08-03CA2710013_009_009-2022080313412.10 ppb
2022-09-07CA2710013_003_003-20220907102924.0 ppb
2022-09-07CA2710013_009_009-2022090710136.20 ppb
2022-09-07CA2710013_010_010-2022090710303.80 ppb
2022-10-06CA2710013_003_003-20221006123124.0 ppb
2022-10-06CA2710013_009_009-20221006121814.0 ppb
2022-10-06CA2710013_010_010-2022100612322.80 ppb
2022-11-03CA2710013_010_010-2022110313242.20 ppb
2022-11-03CA2710013_003_003-20221103132623.0 ppb
2022-11-03CA2710013_004_004-20221103131418.0 ppb
2022-11-03CA2710013_009_009-2022110313154.50 ppb
2022-12-13CA2710013_010_010-2022121310223.10 ppb
2022-12-13CA2710013_009_009-2022121310021.90 ppb
2022-12-13CA2710013_003_003-20221213102138.0 ppb
2023-01-04CA2710013_003_003-20230104134624.0 ppb
2023-01-04CA2710013_010_010-2023010413472.40 ppb
2023-01-04CA2710013_009_009-2023010413182.30 ppb
2023-02-07CA2710013_010_010-2023020714162.20 ppb
2023-02-07CA2710013_004_004-20230207143012.0 ppb
2023-02-07CA2710013_009_009-2023020714315.10 ppb
2023-02-07CA2710013_003_003-20230207141524.0 ppb
2023-03-08CA2710013_009_009-2023030811383.30 ppb
2023-03-08CA2710013_010_010-2023030812012.50 ppb
2023-03-08CA2710013_003_003-20230308120023.0 ppb
2023-04-11CA2710013_009_009-2023041110412.40 ppb
2023-04-11CA2710013_003_003-20230411110323.0 ppb
2023-04-11CA2710013_010_010-2023041111043.00 ppb
2023-05-02CA2710013_003_003-20230502104625.0 ppb
2023-05-02CA2710013_009_009-2023050210222.20 ppb
2023-05-02CA2710013_004_004-20230502102126.0 ppb
2023-05-02CA2710013_010_010-2023050210471.90 ppb
2023-06-12CA2710013_003_003-20230612103124.0 ppb
2023-06-12CA2710013_009_009-2023061210162.30 ppb
2023-06-12CA2710013_010_010-2023061210322.20 ppb
2023-07-10CA2710013_003_003-20230710115626.0 ppb
2023-07-10CA2710013_010_010-2023071011573.10 ppb
2023-07-10CA2710013_009_009-2023071011313.30 ppb
2023-08-10CA2710013_004_004-20230810104327.0 ppb
2023-08-10CA2710013_003_003-20230810101223.0 ppb
2023-08-10CA2710013_009_009-2023081010443.40 ppb
2023-08-10CA2710013_010_010-2023081010132.90 ppb
2023-09-13CA2710013_009_009-2023091310443.00 ppb
2023-09-18CA2710013_003_003-20230918141824.0 ppb
2023-09-18CA2710013_010_010-2023091814192.30 ppb
2023-10-19CA2710013_003_003-20231019095923.0 ppb
2023-10-19CA2710013_009_009-2023101910203.30 ppb
2023-10-19CA2710013_010_010-2023101910003.10 ppb
2023-11-07CA2710013_009_009-2023110710273.90 ppb
2023-11-07CA2710013_003_003-20231107104223.0 ppb
2023-11-07CA2710013_010_010-2023110710432.80 ppb
2023-11-07CA2710013_004_004-20231107102626.0 ppb
2023-12-14CA2710013_010_010-2023121413472.70 ppb
2023-12-14CA2710013_003_003-20231214134623.0 ppb
2023-12-14CA2710013_009_009-2023121413293.20 ppb