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EWG's Tap Water Database — 2019 UPDATE

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Manganese

California American Water Company - Coronado

NOTE: California American Water Company - Coronado purchases water from City of San Diego which is required to test for manganese. Sample information shown below was taken by City of San Diego.

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.

 

209

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20121.35 ppb332ND - 24.3 ppb
20131.84 ppb352ND - 33.5 ppb
2014ND360ND
2015ND360ND
2016ND350ND
20172.71 ppb343ND - 41.1 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

NOTE: California American Water Company - Coronado purchases water from City of San Diego which is required to test for manganese. Sample information shown below was taken by City of San Diego.

Date Lab ID Result
2012-01-039437-001-0000ND
2012-01-039437-006-0000ND
2012-01-039437-010-0000ND
2012-02-069437-001-0000ND
2012-02-069437-006-0000ND
2012-02-069437-010-0000ND
2012-03-059437-001-0815ND
2012-03-059437-006-1230ND
2012-03-059437-010-1000ND
2012-04-029437-001-0000ND
2012-04-029437-006-0000ND
2012-04-029437-010-0000ND
2012-05-079437-001-000020.1 ppb
2012-05-079437-006-0000ND
2012-05-079437-010-0000ND
2012-06-049437-001-0000ND
2012-06-049437-006-0000ND
2012-06-049437-010-0000ND
2012-07-029437-001-0000ND
2012-07-029437-006-0000ND
2012-07-029437-010-0000ND
2012-08-069437-001-0000ND
2012-08-079437-006-0000ND
2012-08-079437-010-0000ND
2012-09-049437-001-000024.3 ppb
2012-09-049437-006-0000ND
2012-09-049437-010-0000ND
2012-10-019437-001-0000ND
2012-10-019437-006-0000ND
2012-10-019437-010-0000ND
2012-11-289437-010-0000ND
2012-12-039437-001-0000ND
2012-12-039437-006-0000ND
2013-01-079437-001-0000ND
2013-01-079437-006-0000ND
2013-01-079437-010-0000ND
2013-02-049437-001-0000ND
2013-02-049437-010-0000ND
2013-03-049437-001-0000ND
2013-03-049437-006-0000ND
2013-03-049437-010-0000ND
2013-04-029437-001-0000ND
2013-04-029437-006-0000ND
2013-04-029437-010-0000ND
2013-05-069437-001-0000ND
2013-05-069437-010-0000ND
2013-05-299437-006-0000ND
2013-06-039437-001-0000ND
2013-06-039437-006-0000ND
2013-06-209437-010-0000ND
2013-07-019437-001-0000ND
2013-07-019437-006-0000ND
2013-07-019437-010-0000ND
2013-08-059437-001-000033.5 ppb
2013-08-059437-006-0000ND
2013-08-059437-010-0000ND
2013-09-039437-001-000031.0 ppb
2013-09-039437-006-0000ND
2013-09-039437-010-0000ND
2013-10-079437-001-0000ND
2013-10-079437-006-0000ND
2013-10-079437-010-0000ND
2013-11-049437-001-0000ND
2013-11-049437-006-0000ND
2013-11-049437-010-0000ND
2013-12-029437-001-0000ND
2013-12-029437-006-0000ND
2013-12-029437-010-0000ND
2014-01-069437-001-0000ND
2014-01-069437-006-0000ND
2014-01-069437-010-0000ND
2014-02-039437-001-0000ND
2014-02-039437-006-0000ND
2014-02-039437-010-0000ND
2014-03-039437-001-0000ND
2014-03-039437-006-0000ND
2014-03-049437-010-0000ND
2014-04-079437-001-0000ND
2014-04-079437-006-0000ND
2014-04-079437-010-0000ND
2014-05-059437-001-0000ND
2014-05-059437-006-0000ND
2014-05-059437-010-0000ND
2014-06-029437-001-0000ND
2014-06-029437-006-0000ND
2014-06-029437-010-0000ND
2014-07-079437-001-0000ND
2014-07-079437-006-0000ND
2014-07-079437-010-0000ND
2014-08-049437-001-0000ND
2014-08-049437-006-0000ND
2014-08-049437-010-0000ND
2014-09-029437-001-0000ND
2014-09-029437-006-0000ND
2014-09-029437-010-0000ND
2014-10-069437-001-0000ND
2014-10-069437-006-0000ND
2014-10-069437-010-0000ND
2014-11-039437-001-0000ND
2014-11-039437-006-0000ND
2014-11-039437-010-0000ND
2014-12-019437-001-0000ND
2014-12-019437-010-0000ND
2014-12-089437-006-0000ND
2015-01-059437-001-0000ND
2015-01-059437-006-0000ND
2015-01-059437-010-0000ND
2015-02-029437-001-0000ND
2015-02-029437-006-0000ND
2015-02-029437-010-0000ND
2015-03-029437-001-0000ND
2015-03-029437-010-0000ND
2015-03-179437-006-0000ND
2015-04-069437-001-0000ND
2015-04-069437-006-0000ND
2015-04-069437-010-0000ND
2015-05-049437-001-0000ND
2015-05-049437-006-0000ND
2015-05-049437-010-0000ND
2015-06-019437-001-0000ND
2015-06-019437-006-0000ND
2015-06-019437-010-0000ND
2015-07-069437-001-0000ND
2015-07-069437-006-0000ND
2015-07-069437-010-0000ND
2015-08-039437-001-0000ND
2015-08-039437-006-0000ND
2015-08-039437-010-0000ND
2015-09-099437-001-0000ND
2015-09-099437-006-0000ND
2015-09-099437-010-0000ND
2015-10-059437-001-0000ND
2015-10-059437-010-0000ND
2015-10-069437-006-0000ND
2015-11-029437-001-0000ND
2015-11-029437-006-0000ND
2015-11-029437-010-0000ND
2015-12-079437-001-0000ND
2015-12-079437-006-0000ND
2015-12-079437-010-0000ND
2016-01-049437-001-0000ND
2016-01-049437-006-0000ND
2016-01-049437-010-0000ND
2016-02-019437-001-0000ND
2016-02-019437-006-0000ND
2016-02-019437-010-0000ND
2016-03-079437-001-0000ND
2016-03-079437-006-0000ND
2016-03-079437-010-0000ND
2016-04-049437-001-0000ND
2016-04-049437-006-0000ND
2016-04-049437-010-0000ND
2016-05-029437-001-0000ND
2016-05-029437-010-0000ND
2016-06-069437-001-0000ND
2016-06-069437-006-0000ND
2016-06-069437-010-0000ND
2016-07-069437-001-0000ND
2016-07-069437-006-0000ND
2016-07-069437-010-0000ND
2016-08-019437-001-0000ND
2016-08-019437-006-0000ND
2016-08-019437-010-0000ND
2016-09-129437-001-0000ND
2016-09-129437-006-0000ND
2016-09-129437-010-0000ND
2016-10-039437-001-0000ND
2016-10-039437-006-0000ND
2016-10-039437-010-0000ND
2016-11-079437-001-0000ND
2016-11-079437-006-0000ND
2016-11-079437-010-0000ND
2016-12-059437-001-0000ND
2016-12-059437-006-0000ND
2016-12-059437-010-0000ND
2017-01-039437-001-0000ND
2017-01-039437-006-0000ND
2017-02-069437-001-0000ND
2017-02-069437-006-0000ND
2017-02-229437-010-0000ND
2017-03-069437-001-0000ND
2017-03-069437-006-0000ND
2017-03-069437-010-0000ND
2017-04-039437-001-0000ND
2017-04-039437-006-0000ND
2017-04-039437-010-0000ND
2017-05-019437-001-0000ND
2017-05-019437-010-0000ND
2017-06-059437-001-000028.4 ppb
2017-06-059437-006-0000ND
2017-06-059437-010-0000ND
2017-07-109437-001-000041.1 ppb
2017-07-109437-006-0000ND
2017-07-109437-010-0000ND
2017-08-079437-001-0000ND
2017-08-079437-006-0000ND
2017-08-079437-010-0000ND
2017-09-119437-001-0000ND
2017-09-119437-006-0000ND
2017-09-119437-010-0000ND
2017-10-029437-001-0000ND
2017-10-029437-006-0000ND
2017-10-029437-010-000022.7 ppb
2017-11-069437-001-0000ND
2017-11-069437-006-0000ND
2017-11-069437-010-0000ND
2017-12-049437-001-0000ND
2017-12-049437-006-0000ND
2017-12-049437-010-0000ND