Know Your Environment. Protect Your Health.

Manganese

California Water Service Company Las Lomas

Manganese is a naturally occurring element that is common in food and drinking water. Excessive manganese exposures may impair children's attention, memory and intellectual capacity. Click here to read more about manganese.

 

109

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND150ND
2019ND130ND
2020ND220ND
20212.54 ppb103ND - 15.0 ppb
20221.38 ppb237ND - 6.80 ppb
20230.769 ppb2610ND - 3.70 ppb

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 100 ppb

The EWG Health Guideline of 100 ppb for manganese was defined by the state of Minnesota as a health risk limit, the concentration of a contaminant that can be consumed with little or no risk to health. This health guideline protects against harm to the brain and nervous system.

ppb = parts per billion

All test results

Date Lab ID Result
2018-01-04CA2710013_009_009-201801041052ND
2018-02-06CA2710013_009_009-201802061346ND
2018-02-06CA2710013_009_009-201802061347ND
2018-02-06CA2710013_004_004-201802061347ND
2018-02-06CA2710013_003_003-201802061402ND
2018-02-06CA2710013_004_004-201802061348ND
2018-03-15CA2710013_009_009-201803151008ND
2018-05-01CA2710013_009_009-201805011347ND
2018-05-01CA2710013_003_003-201805011410ND
2018-05-01CA2710013_004_004-201805011348ND
2018-08-02CA2710013_004_004-201808020939ND
2018-08-02CA2710013_009_009-201808020940ND
2018-11-08CA2710013_004_004-201811081124ND
2018-11-08CA2710013_009_009-201811081126ND
2018-12-18CA2710013_009_009-201812181204ND
2019-02-05CA2710013_004_004-201902051022ND
2019-02-05CA2710013_003_003-201902051043ND
2019-02-05CA2710013_009_009-201902051023ND
2019-03-05CA2710013_009_009-201903051031ND
2019-04-09CA2710013_009_009-201904091005ND
2019-05-07CA2710013_004_004-201905071033ND
2019-05-07CA2710013_009_009-201905071035ND
2019-05-07CA2710013_003_003-201905071117ND
2019-08-06CA2710013_004_004-201908061335ND
2019-08-06CA2710013_009_009-201908061334ND
2019-08-07CA2710013_003_003-201908071410ND
2019-11-15CA2710013_009_009-201911151422ND
2019-11-15CA2710013_004_004-201911151420ND
2020-02-04CA2710013_009_009-202002041252ND
2020-02-04CA2710013_004_004-202002041246ND
2020-02-04CA2710013_003_003-202002041326ND
2020-02-04CA2710013_004_004-202002041248ND
2020-02-04CA2710013_009_009-202002041250ND
2020-05-06CA2710013_003_003-202005061034ND
2020-05-06CA2710013_004_004-202005061100ND
2020-05-06CA2710013_009_009-202005061103ND
2020-05-07CA2710013_004_004-202005070948ND
2020-05-07CA2710013_009_009-202005070949ND
2020-08-12CA2710013_004_004-202008121414ND
2020-08-13CA2710013_003_003-202008131024ND
2020-08-13CA2710013_004_004-202008131031ND
2020-08-13CA2710013_009_009-202008131032ND
2020-08-13CA2710013_004_004-202008131031ND
2020-08-13CA2710013_009_009-202008131032ND
2020-10-07CA2710013_009_009-202010071018ND
2020-11-05CA2710013_004_004-202011051152ND
2020-11-05CA2710013_003_003-202011051331ND
2020-11-05CA2710013_009_009-202011051154ND
2020-11-05CA2710013_009_009-202011051154ND
2020-11-05CA2710013_004_004-202011051152ND
2021-02-11CA2710013_004_004-202102110938ND
2021-02-11CA2710013_009_009-202102110942ND
2021-05-11CA2710013_003_003-202105111330ND
2021-05-11CA2710013_004_004-202105111315ND
2021-05-11CA2710013_009_009-202105111318ND
2021-08-11CA2710013_004_004-2021081110004.20 ppb
2021-08-11CA2710013_009_009-202108111003ND
2021-09-21CA2710013_001_001-20210921125515.0 ppb
2021-11-18CA2710013_009_009-202111181116ND
2021-11-18CA2710013_004_004-2021111811136.20 ppb
2022-02-01CA2710013_009_009-202202010937ND
2022-02-01CA2710013_004_004-2022020109364.90 ppb
2022-04-18CA2710013_009_009-202204181001ND
2022-05-03CA2710013_003_003-2022050311142.70 ppb
2022-05-03CA2710013_004_004-2022050310564.80 ppb
2022-05-03CA2710013_009_009-202205031058ND
2022-05-04CA2710013_004_004-2022050413466.40 ppb
2022-05-04CA2710013_009_009-202205041345ND
2022-06-01CA2710013_009_009-202206011014ND
2022-07-12CA2710013_009_009-202207121135ND
2022-08-03CA2710013_004_004-2022080313456.80 ppb
2022-08-03CA2710013_003_003-202208031403ND
2022-08-03CA2710013_009_009-202208031346ND
2022-08-03CA2710013_003_003-2022080314102.20 ppb
2022-08-09CA2710013_009_009-202208091137ND
2022-08-09CA2710013_004_004-202208091136ND
2022-10-14CA2710013_009_009-202210141022ND
2022-11-28CA2710013_004_004-202211281201ND
2022-11-28CA2710013_004_004-2022112812053.90 ppb
2022-11-28CA2710013_009_009-202211281206ND
2022-11-28CA2710013_009_009-202211281202ND
2022-11-30CA2710013_003_003-202211301020ND
2022-12-08CA2710013_009_009-202212081144ND
2023-02-07CA2710013_004_004-202302071435ND
2023-02-07CA2710013_009_009-2023020714361.30 ppb
2023-02-07CA2710013_003_003-2023020714011.80 ppb
2023-02-13CA2710013_004_004-202302131323ND
2023-02-13CA2710013_009_009-202302131324ND
2023-03-08CA2710013_009_009-2023030811371.10 ppb
2023-04-14CA2710013_009_009-202304141505ND
2023-05-02CA2710013_004_004-202305021021ND
2023-05-02CA2710013_009_009-202305021022ND
2023-05-02CA2710013_009_009-202305021022ND
2023-05-02CA2710013_004_004-2023050210211.000 ppb
2023-05-02CA2710013_003_003-2023050210481.000 ppb
2023-06-15CA2710013_009_009-202306151209ND
2023-08-10CA2710013_004_004-2023081010361.20 ppb
2023-08-10CA2710013_003_003-2023081010143.40 ppb
2023-08-10CA2710013_009_009-202308101037ND
2023-08-10CA2710013_004_004-202308101036ND
2023-08-10CA2710013_009_009-202308101037ND
2023-08-23CA2710013_004_004-202308231314ND
2023-09-13CA2710013_009_009-2023091310433.70 ppb
2023-10-24CA2710013_009_009-202310241310ND
2023-11-07CA2710013_003_003-2023110710413.20 ppb
2023-11-07CA2710013_009_009-202311071030ND
2023-11-07CA2710013_004_004-202311071029ND
2023-11-07CA2710013_009_009-202311071030ND
2023-11-07CA2710013_004_004-2023110710292.30 ppb