Know Your Environment. Protect Your Health.

Manganese

City Of Nevada City

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
2018ND10ND
2019ND10ND
2020ND10ND
2021ND10ND
202223.0 ppb1123.0 ppb
202325.0 ppb1125.0 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
2018-10-09CA2910002_002_002-201810090815ND
2019-11-04CA2910002_002_002-201911040930ND
2020-12-14CA2910002_002_002-202012141100ND
2021-07-12CA2910002_003_003-202107120900ND
2022-09-07CA2910002_003_003-20220907080023.0 ppb
2023-11-13CA2910002_003_003-20231113080025.0 ppb