Know Your Environment. Protect Your Health.

Manganese

Jefferson County Water Control and Improvement District 10

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.

 

6

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20189.70 ppb119.70 ppb
201945.8 ppb1145.8 ppb
202078.4 ppb1178.4 ppb
202140.9 ppb1140.9 ppb
202221.2 ppb1121.2 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
2018-01-31AE114639.70 ppb
2019-05-29AE6833545.8 ppb
2020-02-13AE9833878.4 ppb
2021-02-04AF4261240.9 ppb
2022-01-12AF7986721.2 ppb
2023-01-09AG233423.70 ppb