Know Your Environment. Protect Your Health.

Manganese

City of Commerce

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.

 

8

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20181.30 ppb111.30 ppb
20190.950 ppb21ND - 1.90 ppb
202014.0 ppb1114.0 ppb
20216.80 ppb116.80 ppb
20221.55 ppb21ND - 3.10 ppb
20233.70 ppb113.70 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
2018-06-04Q18220470011.30 ppb
2019-02-21Q1907743007ND
2019-02-21Q19077430081.90 ppb
2020-08-04Q203036100414.0 ppb
2021-01-27Q21020320076.80 ppb
2022-02-10Q2204939001ND
2022-10-26Q22323380063.10 ppb
2023-02-15Q23062430083.70 ppb