Know Your Environment. Protect Your Health.

Manganese

Pg&e Helms Support Facility

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.

 

9

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND50ND
2019ND30ND
2020N/A00N/A
2021N/A00N/A
2022ND10ND
2023N/A00N/A

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
2018-01-12CA1000472_001_001-201801121300ND
2018-03-08CA1000472_001_001-201803081300ND
2018-05-11CA1000472_001_001-201805111245ND
2018-07-12CA1000472_001_001-201807121300ND
2018-11-07CA1000472_001_001-201811071300ND
2019-03-14CA1000472_001_001-201903141230ND
2019-06-20CA1000472_001_001-201906201330ND
2019-09-26CA1000472_001_001-201909261250ND
2022-11-22CA1000472_001_001-202211221130ND