Know Your Environment. Protect Your Health.

Manganese

Travis County Municipal Utility District 4

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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20187.75 ppb222.80 ppb - 12.7 ppb
20191.75 ppb21ND - 3.50 ppb
20200.600 ppb21ND - 1.20 ppb
20210.900 ppb21ND - 1.80 ppb
20220.650 ppb21ND - 1.30 ppb
20230.500 ppb21ND - 1.000 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
2018-02-15AE139792.80 ppb
2018-08-13AE3652912.7 ppb
2019-02-14AE545313.50 ppb
2019-02-14AE54532ND
2020-03-03AF00801ND
2020-07-23AF203111.20 ppb
2021-01-25AF406101.80 ppb
2021-01-25AF40615ND
2022-02-10AF84174ND
2022-04-28AF947561.30 ppb
2023-02-14AG287521.000 ppb
2023-02-14AG28753ND