Know Your Environment. Protect Your Health.

Manganese

City of Goldthwaite

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
20181.000 ppb111.000 ppb
20193.05 ppb222.10 ppb - 4.00 ppb
20201.50 ppb111.50 ppb
20217.20 ppb117.20 ppb
20227.70 ppb224.70 ppb - 10.7 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
2018-01-18AE091931.000 ppb
2019-02-28AE564872.10 ppb
2019-11-20AE898934.00 ppb
2020-01-16AE939281.50 ppb
2021-03-01AF445677.20 ppb
2022-01-27AF821004.70 ppb
2022-04-14AF9328610.7 ppb
2023-01-11AG23976ND