Know Your Environment. Protect Your Health.

Manganese

Woodland Heights Mutual Water Company

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.

 

39

Samples

0

Samples exceeding legal limit (MCL)

1

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
201854.5 ppb4424.0 ppb - 119.0 ppb
201936.6 ppb54ND - 54.0 ppb
202043.6 ppb54ND - 60.0 ppb
202116.9 ppb84ND - 38.0 ppb
202223.0 ppb84ND - 60.0 ppb
202327.0 ppb95ND - 53.0 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
2018-02-13CA2702439_001_001-201802130815119.0 ppb
2018-04-26CA2702439_002_002-20180426100045.0 ppb
2018-07-09CA2702439_002_002-20180709120024.0 ppb
2018-10-15CA2702439_002_002-20181015114530.0 ppb
2019-01-07CA2702439_002_002-20190107114041.0 ppb
2019-04-03CA2702439_002_002-20190403121554.0 ppb
2019-07-08CA2702439_002_002-20190708092552.0 ppb
2019-07-08CA2702439_004_004-201907080920ND
2019-10-02CA2702439_002_002-20191002110036.0 ppb
2020-01-06CA2702439_002_002-20200106113560.0 ppb
2020-04-13CA2702439_002_002-20200413123556.0 ppb
2020-07-06CA2702439_002_002-20200706105054.0 ppb
2020-10-12CA2702439_004_004-202010121110ND
2020-10-12CA2702439_002_002-20201012111548.0 ppb
2021-01-04CA2702439_002_002-20210104101037.0 ppb
2021-01-04CA2702439_004_004-202101041000ND
2021-04-12CA2702439_002_002-20210412072529.0 ppb
2021-04-26CA2702439_004_004-202104261415ND
2021-07-06CA2702439_002_002-20210706081031.0 ppb
2021-07-06CA2702439_004_004-202107060800ND
2021-10-15CA2702439_002_002-20211015072038.0 ppb
2021-10-15CA2702439_004_004-202110150725ND
2022-01-05CA2702439_002_002-20220105085060.0 ppb
2022-02-14CA2702439_004_004-202202140745ND
2022-03-14CA2702439_004_004-202203140915ND
2022-04-13CA2702439_002_002-20220413085541.0 ppb
2022-07-06CA2702439_002_002-20220706094535.0 ppb
2022-07-06CA2702439_004_004-202207060940ND
2022-10-10CA2702439_002_002-20221010100048.0 ppb
2022-10-10CA2702439_004_004-202210100950ND
2023-01-04CA2702439_004_004-202301041025ND
2023-01-04CA2702439_002_002-20230104102052.0 ppb
2023-04-17CA2702439_004_004-202304171045ND
2023-04-17CA2702439_002_002-20230417104053.0 ppb
2023-07-05CA2702439_002_002-20230705110047.0 ppb
2023-07-05CA2702439_004_004-202307051055ND
2023-08-02CA2702439_002_002-20230802115046.0 ppb
2023-10-09CA2702439_002_002-20231009132545.0 ppb
2023-10-09CA2702439_004_004-202310091320ND