Know Your Environment. Protect Your Health.

Manganese

Aquarion Water Company of Connecticut - Noroton 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
2018N/A00N/A
20192.39 ppb440.460 ppb - 3.77 ppb
20206.97 ppb440.575 ppb - 16.8 ppb
2021N/A00N/A
2022N/A00N/A
2023N/A00N/A

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
2019-09-12U9I0012-013.33 ppb
2019-09-12U9I0012-022.00 ppb
2019-12-03U9L0010-010.460 ppb
2019-12-03U9L0010-023.77 ppb
2020-03-11U0C0007-010.575 ppb
2020-06-09U0F0008-015.70 ppb
2020-06-09U0F0008-024.81 ppb
2020-11-20U0K0021-0116.8 ppb