Know Your Environment. Protect Your Health.

Manganese

City of Gladewater

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.

 

39

Samples

0

Samples exceeding legal limit (MCL)

2

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20181.50 ppb111.50 ppb
201920.6 ppb183ND - 357.0 ppb
202010.5 ppb177ND - 103.0 ppb
202110.00 ppb1110.00 ppb
20225.50 ppb115.50 ppb
20235.40 ppb115.40 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
2018-01-09Q18008430021.50 ppb
2019-02-14Q19069410022.40 ppb
2019-02-25Q190847100111.4 ppb
2019-02-25Q1908471002ND
2019-02-25Q1908471003ND
2019-02-25Q1908471004ND
2019-03-25Q1912040001ND
2019-06-10Q1933774004ND
2019-06-10Q1933774003ND
2019-06-10Q1933774002357.0 ppb
2019-06-10Q1933774001ND
2019-10-02Q1971180001ND
2019-10-02Q1971180002ND
2019-10-02Q1971180003ND
2019-10-02Q1971180004ND
2019-10-16Q1972985001ND
2019-10-16Q1972985002ND
2019-10-16Q1972985003ND
2019-10-16Q1972985004ND
2020-03-16Q2011470001ND
2020-03-16Q2011470004ND
2020-03-16Q201147000218.0 ppb
2020-03-16Q2011470003ND
2020-05-06Q2018111002103.0 ppb
2020-05-06Q201811100337.6 ppb
2020-05-06Q2018111004ND
2020-05-07Q2018111001ND
2020-06-15Q20238240011.80 ppb
2020-09-171923813ND
2020-09-171923814ND
2020-09-1719238126.38 ppb
2020-09-171923811ND
2020-11-181940749ND
2020-11-1819407519.32 ppb
2020-11-181940752ND
2020-11-1819407532.27 ppb
2021-03-18Q210712300210.00 ppb
2022-01-25Q22025020025.50 ppb
2023-01-04Q23005670035.40 ppb