Know Your Environment. Protect Your Health.

Manganese

Madera Co. Sa16 Sumner Hill-water System

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.

 

7

Samples

0

Samples exceeding legal limit (MCL)

4

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018450.0 ppb11450.0 ppb
2019220.0 ppb11220.0 ppb
202016.0 ppb1116.0 ppb
202111.0 ppb1111.0 ppb
2022120.0 ppb11120.0 ppb
202375.5 ppb2221.0 ppb - 130.0 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
2018-01-09CA2000729_001_001-201801090930450.0 ppb
2019-01-22CA2000729_001_001-201901220945220.0 ppb
2020-01-30CA2000729_001_001-20200130110016.0 ppb
2021-01-20CA2000729_001_001-20210120103011.0 ppb
2022-01-25CA2000729_001_001-202201250835120.0 ppb
2023-03-22CA2000729_001_001-202303221150130.0 ppb
2023-07-18CA2000729_001_001-20230718100021.0 ppb