Know Your Environment. Protect Your Health.

Chromium (total)

Fcwwd #41/shaver Lake

Chromium is a naturally occurring metal, but industrial uses can elevate its levels in water. One form, hexavalent chromium, causes cancer. Total chromium is not a good indicator of the amount of hexavalent chromium in drinking water.

 

83

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.281 ppb325ND - 3.90 ppb
20190.471 ppb141ND - 6.60 ppb
2020ND40ND
20210.206 ppb161ND - 3.30 ppb
20220.0846 ppb131ND - 1.10 ppb
2023ND40ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EPA Maximum Contaminant
Level (MCL): 100 ppb

The legal limit for total chromium, established in 1991, was based on a 1958 toxicity study in laboratory animals, and applies to both the less-toxic trivalent chromium and the more-toxic hexavalent chromium forms of this compound. This limit does not protect against the risk of cancer from ingestion of hexavalent chromium.

ppb = parts per billion

All test results

Date Lab ID Result
2018-03-12CA1010017_005_005-201803121119ND
2018-03-12CA1010017_015_015-201803121341ND
2018-03-12CA1010017_008_008-201803121200ND
2018-03-12CA1010017_001_001-201803121055ND
2018-03-12CA1010017_014_014-201803121310ND
2018-03-12CA1010017_033_033-201803121239ND
2018-03-14CA1010017_062_062-201803141234ND
2018-03-14CA1010017_034_034-201803140320ND
2018-03-14CA1010017_004_004-201803141053ND
2018-03-16CA1010017_036_036-2018031613041.20 ppb
2018-03-16CA1010017_035_035-2018031613341.20 ppb
2018-03-16CA1010017_006_006-2018031610411.20 ppb
2018-03-16CA1010017_011_011-201803161212ND
2018-03-16CA1010017_012_012-2018031612251.50 ppb
2018-03-19CA1010017_042_042-2018031912073.90 ppb
2018-03-19CA1010017_009_009-201803191332ND
2018-04-09CA1010017_001_001-201804091058ND
2018-04-09CA1010017_033_033-201804091159ND
2018-04-09CA1010017_004_004-201804091113ND
2018-04-09CA1010017_005_005-201804091117ND
2018-04-11CA1010017_008_008-201804111212ND
2018-04-11CA1010017_006_006-201804111318ND
2018-04-13CA1010017_062_062-201804131313ND
2018-04-13CA1010017_034_034-201804131345ND
2018-04-13CA1010017_015_015-201804131040ND
2018-04-13CA1010017_014_014-201804131404ND
2018-04-18CA1010017_011_011-201804181135ND
2018-04-18CA1010017_036_036-201804181054ND
2018-04-18CA1010017_012_012-201804181148ND
2018-04-18CA1010017_035_035-201804181037ND
2018-04-20CA1010017_042_042-201804201155ND
2018-04-20CA1010017_009_009-201804201329ND
2019-06-19CA1010017_037_037-201906191030ND
2019-06-19CA1010017_059_059-201906190955ND
2019-06-19CA1010017_065_065-201906190940ND
2019-06-19CA1010017_044_044-201906191320ND
2019-06-19CA1010017_040_040-201906191115ND
2019-06-19CA1010017_057_057-201906190910ND
2019-06-19CA1010017_056_056-201906190926ND
2019-06-19CA1010017_043_043-201906191310ND
2019-06-19CA1010017_041_041-201906191120ND
2019-06-19CA1010017_046_046-201906191000ND
2019-06-19CA1010017_066_066-201906190957ND
2019-06-19CA1010017_058_058-201906190855ND
2019-06-26CA1010017_066_066-2019062612306.60 ppb
2019-12-18CA1010017_038_038-201912180933ND
2020-04-21CA1010017_002_002-202004210850ND
2020-05-06CA1010017_048_048-202005060920ND
2020-05-06CA1010017_049_049-202005061025ND
2020-05-06CA1010017_047_047-202005061050ND
2021-03-08CA1010017_001_001-202103081300ND
2021-03-08CA1010017_009_009-202103081140ND
2021-04-05CA1010017_006_006-202104050900ND
2021-04-05CA1010017_004_004-2021040511203.30 ppb
2021-04-05CA1010017_008_008-202104051100ND
2021-04-06CA1010017_011_011-202104061245ND
2021-04-06CA1010017_042_042-202104061230ND
2021-04-06CA1010017_012_012-202104061300ND
2021-04-12CA1010017_015_015-202104121345ND
2021-04-12CA1010017_014_014-202104121400ND
2021-04-13CA1010017_062_062-202104131300ND
2021-04-13CA1010017_034_034-202104131155ND
2021-04-14CA1010017_005_005-202104141326ND
2021-04-14CA1010017_033_033-202104141300ND
2021-04-19CA1010017_035_035-202104191045ND
2021-04-19CA1010017_036_036-202104191055ND
2022-02-11CA1010017_066_066-202202111100ND
2022-02-11CA1010017_041_041-2022021114001.10 ppb
2022-03-02CA1010017_065_065-202203021240ND
2022-03-02CA1010017_059_059-202203021255ND
2022-04-06CA1010017_037_037-202204061135ND
2022-04-06CA1010017_040_040-202204061105ND
2022-04-06CA1010017_044_044-202204061030ND
2022-04-06CA1010017_043_043-202204061045ND
2022-04-12CA1010017_056_056-202204121305ND
2022-04-12CA1010017_057_057-202204121325ND
2022-04-12CA1010017_058_058-202204121345ND
2022-04-19CA1010017_046_046-202204191300ND
2022-04-19CA1010017_038_038-202204191030ND
2023-04-24CA1010017_047_047-202304241125ND
2023-04-24CA1010017_048_048-202304241140ND
2023-04-24CA1010017_002_002-202304241100ND
2023-04-24CA1010017_049_049-202304241210ND