Know Your Environment. Protect Your Health.

Manganese

Aquarion Water Company of Connecticut - Valley 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.

 

9

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
201819.3 ppb883.27 ppb - 51.2 ppb
20192.27 ppb112.27 ppb
202010.1 ppb441.50 ppb - 23.5 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
2018-03-20U8C0004-0151.2 ppb
2018-03-20U8C0004-043.56 ppb
2018-05-22U8E0075-0120.9 ppb
2018-06-19U8F0003-014.86 ppb
2018-09-18U8I0008-0119.5 ppb
2018-09-18U8I0008-0240.0 ppb
2018-09-18U8I0008-0410.9 ppb
2018-12-17U8L0007-043.27 ppb
2019-04-16U9D0048-012.27 ppb