Know Your Environment. Protect Your Health.

Manganese

City of Gonzales

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.

 

8

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20184.00 ppb114.00 ppb
20192.15 ppb221.40 ppb - 2.90 ppb
20201.90 ppb111.90 ppb
20212.00 ppb112.00 ppb
20223.15 ppb221.50 ppb - 4.80 ppb
20232.00 ppb112.00 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
2018-02-08AE129384.00 ppb
2019-03-05AE570842.90 ppb
2019-03-05AE570851.40 ppb
2020-01-21AE942511.90 ppb
2021-01-13AF390412.00 ppb
2022-03-11AF888524.80 ppb
2022-06-22AG018661.50 ppb
2023-02-27AG305032.00 ppb