Know Your Environment. Protect Your Health.

Manganese

Lakewood 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.

 

39

Samples

0

Samples exceeding legal limit (MCL)

1

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
20197.76 ppb2911ND - 85.0 ppb
2020N/A00N/A
2021ND20ND
202236.7 ppb75ND - 181.0 ppb
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
2018-03-22ND
2019-01-28201901290248ND
2019-01-2820190129024731.0 ppb
2019-01-282019012902467.60 ppb
2019-01-282019012902452.00 ppb
2019-01-28201901290244ND
2019-07-0312.0 ppb
2019-07-03ND
2019-07-03ND
2019-07-0319.0 ppb
2019-07-03ND
2019-07-03ND
2019-07-0327.0 ppb
2019-07-09ND
2019-07-09ND
2019-07-09ND
2019-07-09ND
2019-07-09ND
2019-07-09ND
2019-07-09ND
2019-07-09ND
2019-07-16201907170271ND
2019-07-1620190717027085.0 ppb
2019-07-162019071702698.60 ppb
2019-07-162019071702683.80 ppb
2019-07-16201907170267ND
2019-07-17ND
2019-07-17ND
2019-08-2618.0 ppb
2019-08-2611.0 ppb
2021-05-174115246ND
2021-05-194125324ND
2022-07-11433229616.0 ppb
2022-07-114332295ND
2022-07-13433855529.0 ppb
2022-07-134330492181.0 ppb
2022-08-11433856912.0 ppb
2022-08-11433857119.0 ppb
2022-12-084397515ND