Know Your Environment. Protect Your Health.

Manganese

Mondamin Water Supply

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)

2

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019N/A00N/A
202025.5 ppb1125.5 ppb
202111.6 ppb1111.6 ppb
202213.7 ppb1113.7 ppb
2023288.7 ppb336.20 ppb - 540.0 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
2020-10-131J01283-0225.5 ppb
2021-11-101EK1139-0211.6 ppb
2022-12-201FL1907-0213.7 ppb
2023-08-08OE2318770540.0 ppb
2023-08-30OE2329659320.0 ppb
2023-11-011GK0177-026.20 ppb