Know Your Environment. Protect Your Health.

Manganese

Rumford Water District

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.

 

7

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
2019ND10ND
20200.203 ppb31ND - 0.610 ppb
2021N/A00N/A
202227.4 ppb1127.4 ppb
20232.50 ppb21ND - 5.00 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
2019-06-18201906120085-TE6ND
2020-01-15452000052-TE6ND
2020-03-302004408-010.610 ppb
2020-03-302004407-01ND
2022-08-182208-04176-00227.4 ppb
2023-08-082308-01768-004ND
2023-08-082308-01768-0025.00 ppb