Know Your Environment. Protect Your Health.

Manganese

City of La Grulla

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.

 

6

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20187.30 ppb117.30 ppb
20198.70 ppb118.70 ppb
20203.00 ppb113.00 ppb
202110.7 ppb1110.7 ppb
20223.80 ppb113.80 ppb
20234.50 ppb114.50 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
2018-03-06AE168747.30 ppb
2019-02-05AE530988.70 ppb
2020-02-25AE999603.00 ppb
2021-06-10AF5737010.7 ppb
2022-08-10AG086923.80 ppb
2023-03-21AG335024.50 ppb