Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Manganese

Jim Hogg County Water Control and Improvement District 2

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

 

43

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015ND10ND
2016N/A00N/A
20171.000 ppb111.000 ppb
20180.153 ppb171ND - 2.60 ppb
20191.46 ppb242ND - 25.0 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
2015-03-17AC84604ND
2017-09-06AD948751.000 ppb
2018-02-12501683ND
2018-02-12501685ND
2018-02-12501684ND
2018-02-12501682ND
2018-02-12501681ND
2018-03-08AE174412.60 ppb
2018-05-21512575ND
2018-05-21512578ND
2018-05-21512577ND
2018-05-21512574ND
2018-05-21512576ND
2018-07-10517814ND
2018-09-18526138ND
2018-09-18526139ND
2018-09-18526141ND
2018-09-18526142ND
2018-09-18526140ND
2019-03-12545871ND
2019-03-12545873ND
2019-03-12545874ND
2019-03-12545872ND
2019-03-1254587025.0 ppb
2019-03-12545869ND
2019-05-06552591ND
2019-05-06552592ND
2019-05-06552593ND
2019-05-06552590ND
2019-05-0655259510.00 ppb
2019-05-06552594ND
2019-08-13564181ND
2019-08-13564177ND
2019-08-13564176ND
2019-08-13564178ND
2019-08-13564179ND
2019-08-13564180ND
2019-10-07571477ND
2019-10-07571478ND
2019-10-07571479ND
2019-10-07571480ND
2019-10-07571475ND
2019-10-07571476ND