Know Your Environment. Protect Your Health.

Manganese

Townley Water Authority

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
2018ND10ND
20190.823 ppb32ND - 1.70 ppb
20200.410 ppb21ND - 0.820 ppb
2021ND10ND
2022ND10ND
2023ND10ND

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
2014-03-10305825P3.05 ppb
2014-03-10105893P4.45 ppb
2014-06-10307655PND
2014-06-10107568F1.65 ppb
2014-09-16109041QND
2014-09-16309124P1.50 ppb
2014-12-09110683PND
2014-12-09310770PND