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EWG's Tap Water Database — 2021 UPDATE

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Manganese

Rancho Del Campo Water System

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.

 

15

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND90ND
2015ND30ND
2016N/A00N/A
2017ND30ND
2018N/A00N/A
2019N/A00N/A

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
2014-01-172706-001-1215ND
2014-01-172706-003-1225ND
2014-01-172706-004-1230ND
2014-01-222706-001-1040ND
2014-01-222706-003-1100ND
2014-01-222706-004-0950ND
2014-11-192706-001-1015ND
2014-11-192706-003-1018ND
2014-11-192706-004-1020ND
2015-11-122706-001-1315ND
2015-11-122706-004-1343ND
2015-11-162706-003-1300ND
2017-12-272706-001-1125ND
2017-12-272706-003-1140ND
2017-12-272706-004-1025ND