Know Your Environment. Protect Your Health.

Manganese

Tesoro Viejo Master Mwc, Inc.

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.

 

44

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
201815.0 ppb41ND - 60.0 ppb
2019ND30ND
20202.82 ppb111ND - 31.0 ppb
202111.8 ppb41ND - 47.0 ppb
202214.4 ppb74ND - 37.0 ppb
202316.1 ppb159ND - 62.0 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
2018-08-15CA2010017_002_002-201808151055ND
2018-08-31CA2010017_002_002-201808310845ND
2018-12-06CA2010017_006_006-201812061040ND
2018-12-12CA2010017_001_001-20181212104560.0 ppb
2019-05-15CA2010017_001_001-201905151345ND
2019-06-12CA2010017_006_006-201906121015ND
2019-08-21CA2010017_002_002-201908210955ND
2020-02-05CA2010017_006_006-202002051000ND
2020-02-19CA2010017_006_006-202002190915ND
2020-03-03CA2010017_006_006-202003031015ND
2020-03-03CA2010017_003_003-202003031020ND
2020-03-04CA2010017_006_006-202003041000ND
2020-03-04CA2010017_003_003-202003041030ND
2020-03-05CA2010017_006_006-202003051020ND
2020-03-05CA2010017_003_003-202003051025ND
2020-06-03CA2010017_002_002-202006031215ND
2020-06-09CA2010017_001_001-20200609084531.0 ppb
2020-06-15CA2010017_002_002-202006151100ND
2021-02-03CA2010017_006_006-202102031045ND
2021-02-17CA2010017_006_006-202102171035ND
2021-06-09CA2010017_001_001-20210609084547.0 ppb
2021-06-28CA2010017_002_002-202106280955ND
2022-02-16CA2010017_006_006-202202160920ND
2022-02-16CA2010017_006_006-202202160920ND
2022-06-08CA2010017_001_001-20220608093021.0 ppb
2022-06-08CA2010017_001_001-20220608093019.0 ppb
2022-07-06CA2010017_002_002-202207060900ND
2022-10-05CA2010017_006_006-20221005135537.0 ppb
2022-10-05CA2010017_001_001-20221005141024.0 ppb
2023-02-13CA2010017_002_002-202302130630ND
2023-02-14CA2010017_006_006-202302141040ND
2023-03-13CA2010017_001_001-20230313123033.0 ppb
2023-03-13CA2010017_003_003-202303131015ND
2023-05-09CA2010017_006_006-20230509081511.0 ppb
2023-06-05CA2010017_001_001-20230605104015.0 ppb
2023-06-06CA2010017_001_001-20230606103513.0 ppb
2023-06-06CA2010017_003_003-202306060945ND
2023-06-20CA2010017_001_001-20230620075514.0 ppb
2023-08-15CA2010017_006_006-20230815100062.0 ppb
2023-09-12CA2010017_001_001-20230912084038.0 ppb
2023-09-12CA2010017_003_003-20230912093511.0 ppb
2023-11-07CA2010017_006_006-202311070745ND
2023-12-19CA2010017_003_003-202312190810ND
2023-12-19CA2010017_001_001-20231219090544.0 ppb