Know Your Environment. Protect Your Health.

Manganese

Rancho Ynecita Mutual Water Company

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
2018N/A00N/A
2019N/A00N/A
20205.67 ppb31ND - 17.0 ppb
2021N/A00N/A
2022N/A00N/A
202324.3 ppb31ND - 73.0 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
2020-04-21CA4200837_004_004-202004210845ND
2020-04-21CA4200837_001_001-20200421093017.0 ppb
2020-04-21CA4200837_003_003-202004210800ND
2023-06-21CA4200837_003_003-202306210710ND
2023-06-21CA4200837_001_001-202306210805ND
2023-12-26CA4200837_001_001-20231226131073.0 ppb