Know Your Environment. Protect Your Health.

Manganese

Nash Forreston Water Supply Corporation

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.

 

4

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20185.55 ppb223.60 ppb - 7.50 ppb
20192.15 ppb86ND - 6.30 ppb
20204.45 ppb21ND - 8.90 ppb
20214.80 ppb224.30 ppb - 5.30 ppb
20220.550 ppb21ND - 1.10 ppb
202341.0 ppb21ND - 82.0 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
2018-01-24Q18027430057.50 ppb
2018-01-24Q18027430063.60 ppb
2021-05-05Q21115840055.30 ppb
2021-05-05Q21115840064.30 ppb