Know Your Environment. Protect Your Health.

Manganese

City of Toyah

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
20184.70 ppb114.70 ppb
20193.10 ppb113.10 ppb
20201.30 ppb111.30 ppb
20211.50 ppb111.50 ppb
20221.40 ppb111.40 ppb
2023ND10ND

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
2018-01-25Q18031830034.70 ppb
2019-05-02Q19183400103.10 ppb
2020-06-04Q20223900031.30 ppb
2021-03-15Q21068940031.50 ppb
2022-02-07Q22043900021.40 ppb
2023-02-06Q2304369006ND