Know Your Environment. Protect Your Health.

Manganese

Cathedral Gardens Water District

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.

 

0

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018120.9 ppb6452ND - 320.0 ppb
2019122.1 ppb5240ND - 480.0 ppb
2020118.2 ppb7248ND - 340.0 ppb
2021ND240ND
20220.407 ppb271ND - 11.0 ppb
202378.8 ppb5533ND - 230.0 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