Know Your Environment. Protect Your Health.

Manganese

Jardines Del Valle

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.

 

29

Samples

0

Samples exceeding legal limit (MCL)

5

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018468.6 ppb52ND - 2,300.0 ppb
2019ND40ND
2020ND40ND
2021750.0 ppb62ND - 2,300.0 ppb
2022480.0 ppb51ND - 2,400.0 ppb
2023480.0 ppb51ND - 2,400.0 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
2018-02-14CA4400664_002_002-201802141430ND
2018-05-14CA4400664_002_002-201805141410ND
2018-06-12CA4400664_001_001-2018061215102,300.0 ppb
2018-08-21CA4400664_002_002-20180821143543.0 ppb
2018-11-14CA4400664_002_002-201811141230ND
2019-02-26CA4400664_002_002-201902261350ND
2019-05-13CA4400664_002_002-201905131300ND
2019-08-22CA4400664_002_002-201908221445ND
2019-11-13CA4400664_002_002-201911131410ND
2020-02-24CA4400664_002_002-202002241345ND
2020-05-27CA4400664_002_002-202005271400ND
2020-08-11CA4400664_002_002-202008111150ND
2020-11-12CA4400664_002_002-202011121315ND
2021-02-16CA4400664_002_002-202102161700ND
2021-04-05CA4400664_001_001-2021040515152,300.0 ppb
2021-05-06CA4400664_002_002-202105061230ND
2021-06-22CA4400664_001_001-2021062219002,200.0 ppb
2021-08-06CA4400664_002_002-202108061545ND
2021-11-22CA4400664_002_002-202111221500ND
2022-02-17CA4400664_002_002-202202171725ND
2022-02-17CA4400664_001_001-2022021717152,400.0 ppb
2022-05-06CA4400664_002_002-202205061105ND
2022-08-17CA4400664_002_002-202208171630ND
2022-11-15CA4400664_002_002-202211151830ND
2023-02-17CA4400664_001_001-2023021712402,400.0 ppb
2023-02-17CA4400664_002_002-202302171255ND
2023-05-24CA4400664_002_002-202305241405ND
2023-08-31CA4400664_002_002-202308311515ND
2023-11-27CA4400664_002_002-202311271710ND