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EWG's Tap Water Database — 2021 UPDATE

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Manganese

Dallas Water Utility

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.

MORE ABOUT THIS CONTAMINANT

 

69

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20143.19 ppb32ND - 8.28 ppb
20151.40 ppb331.20 ppb - 1.70 ppb
20160.930 ppb32ND - 1.80 ppb
20170.967 ppb31ND - 2.90 ppb
2018ND290ND
20190.282 ppb224ND - 2.30 ppb

ppb = parts per billion

State and national drinking water standards and health guidelines

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
2014-02-19Q14054200028.28 ppb
2014-05-22Q1417683004ND
2014-05-22Q14176830031.30 ppb
2015-01-15Q15013020021.30 ppb
2015-03-11Q15090630041.70 ppb
2015-04-20Q15146560031.20 ppb
2016-01-12Q16013710020.990 ppb
2016-02-11Q16063960021.80 ppb
2016-09-14Q1637473006ND
2017-01-03Q17001790102.90 ppb
2017-01-24Q1703294003ND
2017-08-23Q1737870005ND
2018-01-04Q1800411020ND
2018-07-107590772001ND
2018-07-107590772003ND
2018-07-107590772004ND
2018-07-107590772006ND
2018-07-107590772007ND
2018-07-107590772008ND
2018-07-107590772009ND
2018-07-107590772010ND
2018-07-107590772011ND
2018-07-107590772012ND
2018-07-177591189001ND
2018-07-177591189003ND
2018-07-177591189002ND
2018-08-07Q1831263008ND
2018-08-07Q1831263007ND
2018-10-16Q1841278001ND
2018-10-16Q1841278002ND
2018-10-16Q1841278005ND
2018-10-16Q1841278004ND
2018-10-16Q1841278007ND
2018-10-16Q1841278003ND
2018-10-16Q1841278006ND
2018-10-17Q1841441004ND
2018-10-17Q1841441002ND
2018-10-17Q1841441001ND
2018-10-17Q1841441006ND
2018-10-17Q1841441005ND
2018-10-17Q1841441003ND
2019-01-08Q19008290011.40 ppb
2019-07-16Q1945074011ND
2019-07-16Q1945074010ND
2019-09-09Q1963100013ND
2019-09-09Q1963100001ND
2019-09-09Q1963100002ND
2019-09-09Q1963100003ND
2019-09-09Q1963100004ND
2019-09-09Q1963100012ND
2019-09-09Q1963100008ND
2019-09-09Q1963100009ND
2019-09-09Q1963100010ND
2019-09-09Q1963100011ND
2019-09-09Q1963100006ND
2019-09-09Q1963100005ND
2019-09-09Q1963100007ND
2019-09-16Q19653670010.400 ppb
2019-09-16Q19653670032.30 ppb
2019-09-16Q1965367002ND
2019-12-26Q1980757021ND
2019-12-26Q1980757020ND
2019-12-26Q19807570222.10 ppb
2020-03-16Q20114640010.600 ppb
2020-03-16Q2011464002ND
2020-03-16Q20114640031.30 ppb
2020-06-08Q20226370010.500 ppb
2020-06-08Q2022637002ND
2020-06-08Q20226370033.40 ppb