Know Your Environment. Protect Your Health.

Manganese

Collierville Water Department

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
20192.16 ppb440.660 ppb - 5.30 ppb
20202.29 ppb440.440 ppb - 5.80 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 Result
2019-12-101.90 ppb
2019-12-105.30 ppb
2019-12-100.780 ppb
2019-12-100.660 ppb
2020-06-172.20 ppb
2020-06-175.80 ppb
2020-06-170.700 ppb
2020-06-170.440 ppb