Know Your Environment. Protect Your Health.

Manganese

Western Hills Water System

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
20181.50 ppb331.30 ppb - 1.90 ppb
2019N/A00N/A
20201.20 ppb111.20 ppb
20216.43 ppb331.50 ppb - 14.9 ppb
2022N/A00N/A
20231.10 ppb111.10 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
2018-09-18AE406311.90 ppb
2018-09-18AE406351.30 ppb
2018-09-18AE406361.30 ppb
2020-06-15AF151911.20 ppb
2021-08-03AF643532.90 ppb
2021-08-03AF643551.50 ppb
2021-08-03AF6435614.9 ppb
2023-07-12AG480711.10 ppb