Know Your Environment. Protect Your Health.

Manganese

Lockesburg Waterworks

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.

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20181.70 ppb65ND - 2.30 ppb
20190.600 ppb31ND - 1.80 ppb
20202.07 ppb331.80 ppb - 2.40 ppb
20211.73 ppb43ND - 3.40 ppb
2022ND50ND
2023ND30ND

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
2018-01-31Y1803300082.20 ppb
2018-03-21Y1808100212.10 ppb
2018-05-21Y1814400371.90 ppb
2018-07-24Y1820800242.30 ppb
2018-10-22Y182980021ND
2018-12-17Y1835400031.70 ppb
2019-02-04Y1903800801.80 ppb
2019-05-28Y191500001ND
2019-05-28Y191500002ND
2020-05-20Y2014200401.80 ppb
2020-09-08Y2025400522.00 ppb
2020-11-03Y2031000582.40 ppb
2021-01-27Y2102800151.60 ppb
2021-05-24Y211470039ND
2021-07-20Y2120300133.40 ppb
2021-10-26Y2130100241.90 ppb
2022-01-11Y220130041ND
2022-04-06Y220970003ND
2022-04-06Y220970004ND
2022-08-15Y222300059ND
2022-10-19Y222930039ND
2023-02-07Y230400074ND
2023-02-07Y230400073ND
2023-05-03Y231240066ND