Know Your Environment. Protect Your Health.

Manganese

Rancheritos 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
2019ND30ND
2020N/A00N/A
2021N/A00N/A
2022N/A00N/A
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
2019-02-18CA3600200_003_003-201902181030ND
2019-08-19CA3600200_002_002-201908191000ND
2019-08-19CA3600200_001_001-201908190930ND
2023-01-23CA3600200_003_003-202301231148ND
2023-01-24CA3600200_002_002-202301241117ND
2023-08-07CA3600200_001_001-202308071145ND