Know Your Environment. Protect Your Health.

Manganese

Cazadero Water Company 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.

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019ND40ND
202019.5 ppb21ND - 39.0 ppb
2021ND20ND
2022ND40ND
2023ND40ND

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
2019-03-22CA4900508_005_005-201903221010ND
2019-03-22CA4900508_006_006-201903221050ND
2019-03-22CA4900508_001_001-201903221150ND
2019-03-22CA4900508_011_011-201903221030ND
2020-12-17CA4900508_001_001-202012171230ND
2020-12-21CA4900508_011_011-20201221072539.0 ppb
2021-06-08CA4900508_005_005-202106080926ND
2021-06-08CA4900508_006_006-202106080901ND
2022-03-14CA4900508_001_001-202203141146ND
2022-03-14CA4900508_011_011-202203141039ND
2022-11-03CA4900508_006_006-202211031102ND
2022-11-03CA4900508_005_005-202211031155ND
2023-03-06CA4900508_001_001-202303060812ND
2023-03-06CA4900508_011_011-202303060912ND
2023-12-11CA4900508_005_005-202312111300ND
2023-12-11CA4900508_006_006-202312111315ND