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EWG's Tap Water Database — 2021 UPDATE

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Manganese

City of West Sacramento

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

 

33

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
2015N/A00N/A
2016ND10ND
2017ND70ND
20180.130 ppb133ND - 0.700 ppb
20190.0232 ppb111ND - 0.255 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
2014-08-079590-002-0755ND
2016-08-025867-002-0710ND
2017-07-129590-002-1145ND
2017-08-089590-002-0930ND
2017-08-099590-002-1045ND
2017-09-069590-002-0945ND
2017-10-049590-002-0720ND
2017-11-089590-002-0845ND
2017-12-069590-002-0820ND
2018-01-039590-002-0705ND
2018-01-122018011302040.445 ppb
2018-02-079590-002-0730ND
2018-03-079590-002-1015ND
2018-04-049590-002-0740ND
2018-05-029590-002-1000ND
2018-06-069590-002-0700ND
2018-07-022018070309420.700 ppb
2018-07-117473-002-08570.540 ppb
2018-08-087473-002-0800ND
2018-10-03201810040462ND
2018-11-077473-002-0700ND
2018-12-057473-002-0800ND
2019-01-097473-002-08300.255 ppb
2019-04-105810-002-0645ND
2019-05-085810-002-0745ND
2019-06-125810-002-0715ND
2019-07-105810-002-0815ND
2019-08-075810-002-0800ND
2019-08-075810-002-0900ND
2019-09-115810-002-0915ND
2019-10-095810-002-0630ND
2019-11-065810-002-0650ND
2019-12-115810-002-0830ND