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EWG's Tap Water Database — 2021 UPDATE

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Manganese

City of Santa Ana

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

 

81

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014ND90ND
2015ND40ND
2016ND180ND
2017ND10ND
20181.11 ppb168ND - 3.28 ppb
20190.0879 ppb223ND - 1.000 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
2014-02-184417-030-0845ND
2014-02-184417-022-0905ND
2014-02-184417-021-0820ND
2014-02-184417-033-1010ND
2014-02-184417-037-1255ND
2014-02-184417-038-0730ND
2014-08-204417-025-0725ND
2014-08-204417-018-0915ND
2014-08-204417-035-0710ND
2015-02-244417-073-0940ND
2015-02-244417-028-0905ND
2015-05-194417-019-0840ND
2015-05-194417-074-1050ND
2016-02-164417-026-1110ND
2016-02-164417-027-1000ND
2016-02-164417-061-0915ND
2016-02-164417-039-1025ND
2016-03-074417-029-0810ND
2016-05-244417-021-0820ND
2016-05-244417-022-0905ND
2016-05-244417-030-0840ND
2016-05-244417-034-1220ND
2016-06-224417-031-0635ND
2016-06-224417-033-0715ND
2016-07-074417-025-0630ND
2016-08-034417-028-0955ND
2016-08-034417-018-0800ND
2016-08-034417-038-1025ND
2016-08-034417-037-0845ND
2016-08-034417-035-0830ND
2016-08-034417-034-0710ND
2017-05-164417-019-0950ND
2018-02-214417-037-0610ND
2018-02-214417-021-1050ND
2018-02-214417-074-0920ND
2018-02-214417-039-0830ND
2018-03-2718030671-05-00382.77 ppb
2018-03-2718030667-05-00381.58 ppb
2018-04-264417-035-0815ND
2018-05-154417-025-1050ND
2018-05-154417-022-1240ND
2018-06-2618060527-02-00383.28 ppb
2018-06-2618060529-02-00382.54 ppb
2018-09-2618090505-02-00382.13 ppb
2018-09-2618090504-02-00380.829 ppb
2018-10-114417-038-0800ND
2018-12-1218120272-02-00381.97 ppb
2018-12-1218120274-02-00382.71 ppb
2019-03-114417-026-1140ND
2019-03-114417-038-0815ND
2019-03-114417-061-0940ND
2019-03-114417-027-1030ND
2019-03-114417-031-1110ND
2019-03-204417-030-1335ND
2019-05-074417-028-1010ND
2019-07-234417-034-1020ND
2019-07-234417-033-0750ND
2019-08-1319080346-02ND
2019-08-1319080342-020.466 ppb
2019-08-1319080348-02ND
2019-08-1319080345-020.467 ppb
2019-08-1319080343-02ND
2019-08-1319080344-02ND
2019-08-1319080339-02ND
2019-08-1319080340-02ND
2019-08-1319080347-021.000 ppb
2019-08-1319080341-02ND
2019-09-174417-073-0815ND
2019-11-054417-073-1455ND
2019-11-054417-073-1505ND
2020-02-1120020257-02ND
2020-02-1120020259-02ND
2020-02-1120020252-020.477 ppb
2020-02-1120020260-020.582 ppb
2020-02-1120020256-020.471 ppb
2020-02-1120020253-02ND
2020-02-1120020255-02ND
2020-02-1120020254-02ND
2020-02-1120020250-02ND
2020-02-1120020258-020.881 ppb
2020-02-1120020251-020.404 ppb