Know Your Environment. Protect Your Health.

Chromium (total)

Cws - Upper Bodfish Water System

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.

 

115

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND200ND
2019ND150ND
2020ND150ND
2021N/A00N/A
20222.03 ppb3732ND - 3.70 ppb
20231.32 ppb2827ND - 1.90 ppb

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
2018-01-17CA1510026_007_007-201801171059ND
2018-02-21CA1510026_005_005-201802211343ND
2018-02-21CA1510026_004_004-201802211334ND
2018-02-21CA1510026_007_007-201802211325ND
2018-03-13CA1510026_007_007-201803131316ND
2018-03-13CA1510026_006_006-201803131300ND
2018-04-04CA1510026_007_007-201804041042ND
2018-05-31CA1510026_004_004-201805311322ND
2018-05-31CA1510026_005_005-201805311327ND
2018-05-31CA1510026_007_007-201805311333ND
2018-06-12CA1510026_007_007-201806121429ND
2018-07-16CA1510026_007_007-201807161325ND
2018-08-01CA1510026_004_004-201808011356ND
2018-08-01CA1510026_005_005-201808011401ND
2018-08-01CA1510026_007_007-201808011408ND
2018-08-08CA1510026_007_007-201808081446ND
2018-08-13CA1510026_DST_902-201808131227ND
2018-08-13CA1510026_DST_901-201808131219ND
2018-09-06CA1510026_007_007-201809061336ND
2018-12-10CA1510026_007_007-201812101100ND
2019-01-22CA1510026_007_007-201901221110ND
2019-02-06CA1510026_005_005-201902061255ND
2019-02-06CA1510026_007_007-201902061227ND
2019-02-06CA1510026_004_004-201902061245ND
2019-02-25CA1510026_005_005-201902251210ND
2019-02-25CA1510026_004_004-201902251200ND
2019-03-27CA1510026_007_007-201903271045ND
2019-04-09CA1510026_006_006-201904091320ND
2019-04-09CA1510026_007_007-201904091343ND
2019-06-05CA1510026_007_007-201906051153ND
2019-10-15CA1510026_007_007-201910151215ND
2019-11-19CA1510026_005_005-201911191348ND
2019-11-19CA1510026_004_004-201911191345ND
2019-11-19CA1510026_006_006-201911191350ND
2019-11-19CA1510026_007_007-201911191352ND
2020-02-04CA1510026_005_005-202002041310ND
2020-02-04CA1510026_007_007-202002041250ND
2020-04-01CA1510026_007_007-202004011333ND
2020-04-01CA1510026_006_006-202004011345ND
2020-06-08CA1510026_006_006-202006081125ND
2020-06-08CA1510026_007_007-202006081115ND
2020-08-05CA1510026_006_006-202008051150ND
2020-08-05CA1510026_007_007-202008051121ND
2020-08-05CA1510026_005_005-202008051201ND
2020-08-18CA1510026_004_004-202008181007ND
2020-08-18CA1510026_005_005-202008181011ND
2020-08-18CA1510026_006_006-202008181002ND
2020-08-18CA1510026_007_007-202008180955ND
2020-10-20CA1510026_006_006-202010201129ND
2020-10-20CA1510026_007_007-202010201139ND
2022-02-17CA1510026_004_004-202202170920ND
2022-02-24CA1510026_005_005-202202241144ND
2022-03-15CA1510026_007_007-2022031509322.50 ppb
2022-03-15CA1510026_006_006-2022031509271.90 ppb
2022-04-06CA1510026_006_006-2022040614203.40 ppb
2022-04-06CA1510026_007_007-2022040614252.80 ppb
2022-04-19CA1510026_006_006-2022041913172.80 ppb
2022-04-19CA1510026_007_007-2022041913122.60 ppb
2022-05-03CA1510026_004_004-2022050311591.70 ppb
2022-05-03CA1510026_005_005-2022050312042.50 ppb
2022-05-03CA1510026_006_006-2022050311532.50 ppb
2022-05-03CA1510026_007_007-2022050311432.30 ppb
2022-05-03CA1510026_004_004-2022050311592.60 ppb
2022-05-03CA1510026_007_007-2022050311432.60 ppb
2022-05-03CA1510026_005_005-2022050312042.30 ppb
2022-05-03CA1510026_006_006-2022050311532.10 ppb
2022-06-01CA1510026_006_006-2022060111492.70 ppb
2022-06-01CA1510026_007_007-2022060111432.60 ppb
2022-06-01CA1510026_007_007-2022060111432.80 ppb
2022-06-01CA1510026_006_006-2022060111492.80 ppb
2022-07-13CA1510026_006_006-2022071313492.60 ppb
2022-07-13CA1510026_007_007-2022071314042.20 ppb
2022-07-13CA1510026_007_007-2022071314042.40 ppb
2022-07-13CA1510026_006_006-2022071313493.70 ppb
2022-08-10CA1510026_005_005-2022081014111.70 ppb
2022-08-10CA1510026_005_005-2022081014112.00 ppb
2022-08-10CA1510026_007_007-2022081014241.40 ppb
2022-08-10CA1510026_007_007-2022081014241.90 ppb
2022-08-10CA1510026_006_006-2022081014001.90 ppb
2022-10-06CA1510026_007_007-202210061047ND
2022-10-11CA1510026_007_007-2022101113202.20 ppb
2022-10-11CA1510026_007_007-202210111320ND
2022-10-11CA1510026_006_006-202210111327ND
2022-10-11CA1510026_006_006-2022101113272.50 ppb
2022-12-06CA1510026_007_007-2022120611151.80 ppb
2022-12-06CA1510026_007_007-2022120611151.50 ppb
2022-12-06CA1510026_006_006-2022120611221.80 ppb
2023-02-01CA1510026_007_007-2023020115151.30 ppb
2023-02-06CA1510026_005_005-2023020612171.30 ppb
2023-02-06CA1510026_006_006-2023020612061.000 ppb
2023-02-06CA1510026_005_005-2023020612171.10 ppb
2023-02-06CA1510026_006_006-2023020612061.10 ppb
2023-02-06CA1510026_007_007-202302061158ND
2023-03-06CA1510026_007_007-2023030610101.20 ppb
2023-03-06CA1510026_006_006-2023030609541.20 ppb
2023-04-11CA1510026_006_006-2023041113561.000 ppb
2023-04-12CA1510026_007_007-2023041212201.10 ppb
2023-05-08CA1510026_004_004-2023050811401.90 ppb
2023-05-08CA1510026_005_005-2023050811441.60 ppb
2023-05-08CA1510026_006_006-2023050811271.60 ppb
2023-05-08CA1510026_007_007-2023050811351.40 ppb
2023-06-06CA1510026_006_006-2023060611471.60 ppb
2023-06-06CA1510026_007_007-2023060611521.80 ppb
2023-07-11CA1510026_007_007-2023071114181.30 ppb
2023-07-12CA1510026_006_006-2023071211451.40 ppb
2023-08-09CA1510026_005_005-2023080913361.30 ppb
2023-08-09CA1510026_004_004-2023080913331.50 ppb
2023-08-09CA1510026_006_006-2023080913231.40 ppb
2023-08-09CA1510026_007_007-2023080913471.40 ppb
2023-10-03CA1510026_006_006-2023100310551.50 ppb
2023-10-03CA1510026_007_007-2023100310501.40 ppb
2023-11-06CA1510026_006_006-2023110614361.30 ppb
2023-11-13CA1510026_004_004-2023111311351.40 ppb
2023-11-13CA1510026_005_005-2023111311401.40 ppb
2023-11-13CA1510026_007_007-2023111311301.50 ppb