Know Your Environment. Protect Your Health.

Manganese

Rancho Marina

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.

 

61

Samples

0

Samples exceeding legal limit (MCL)

20

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018108.6 ppb114ND - 580.0 ppb
2019294.0 ppb2010ND - 620.0 ppb
2020147.5 ppb164ND - 640.0 ppb
2021165.4 ppb145ND - 650.0 ppb
2022N/A00N/A
2023N/A00N/A

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
2018-01-03CA3400149_010_010-201801031600580.0 ppb
2018-01-17CA3400149_010_010-20180117170053.0 ppb
2018-02-07CA3400149_010_010-20180207130022.0 ppb
2018-04-19CA3400149_010_010-201804191408ND
2018-07-11CA3400149_010_010-201807111400ND
2018-08-08CA3400149_010_010-201808081400ND
2018-09-19CA3400149_010_010-201809191330ND
2018-10-10CA3400149_010_010-201810101330ND
2018-10-25CA3400149_001_001-201810251200540.0 ppb
2018-11-07CA3400149_010_010-201811070950ND
2018-12-20CA3400149_010_010-201812201030ND
2019-01-17CA3400149_010_010-201901171300ND
2019-01-17CA3400149_001_001-201901171315590.0 ppb
2019-01-30CA3400149_001_001-201901301300620.0 ppb
2019-02-27CA3400149_010_010-201902271130ND
2019-02-27CA3400149_001_001-201902271130580.0 ppb
2019-03-11CA3400149_010_010-201903111015ND
2019-05-08CA3400149_010_010-201905081035ND
2019-05-08CA3400149_001_001-201905081040560.0 ppb
2019-06-18CA3400149_001_001-201906181200610.0 ppb
2019-06-18CA3400149_010_010-201906181200ND
2019-08-09CA3400149_001_001-201908091030580.0 ppb
2019-08-09CA3400149_010_010-201908091030ND
2019-09-12CA3400149_010_010-201909121000ND
2019-09-12CA3400149_001_001-201909121000610.0 ppb
2019-10-24CA3400149_001_001-201910240930620.0 ppb
2019-10-24CA3400149_010_010-201910240930ND
2019-11-06CA3400149_001_001-201911061445590.0 ppb
2019-11-06CA3400149_010_010-201911061445ND
2019-12-19CA3400149_001_001-201912191000520.0 ppb
2019-12-19CA3400149_010_010-201912191000ND
2020-01-08CA3400149_010_010-202001081430ND
2020-02-05CA3400149_010_010-202002051230ND
2020-03-04CA3400149_010_010-202003041430ND
2020-03-31CA3400149_001_001-202003311130640.0 ppb
2020-04-06CA3400149_010_010-202004061130ND
2020-05-05CA3400149_010_010-202005050900ND
2020-06-02CA3400149_010_010-202006021430ND
2020-07-08CA3400149_001_001-202007081430620.0 ppb
2020-07-08CA3400149_010_010-202007081430ND
2020-08-05CA3400149_010_010-202008051430ND
2020-09-03CA3400149_010_010-202009031215ND
2020-10-07CA3400149_010_010-202010071430ND
2020-10-07CA3400149_001_001-202010071430580.0 ppb
2020-11-03CA3400149_010_010-202011031530ND
2020-11-03CA3400149_001_001-202011031530520.0 ppb
2020-12-15CA3400149_010_010-202012151000ND
2021-01-21CA3400149_010_010-20210121110026.0 ppb
2021-02-03CA3400149_010_010-202102031700ND
2021-03-03CA3400149_010_010-202103031700ND
2021-04-19CA3400149_001_001-202104191230530.0 ppb
2021-04-19CA3400149_010_010-202104191230ND
2021-05-05CA3400149_010_010-202105051530ND
2021-06-09CA3400149_010_010-202106091400ND
2021-07-08CA3400149_001_001-202107080830650.0 ppb
2021-07-08CA3400149_010_010-202107080830ND
2021-08-04CA3400149_001_001-202108040930570.0 ppb
2021-08-04CA3400149_010_010-202108040930ND
2021-09-09CA3400149_010_010-202109091100ND
2021-10-07CA3400149_010_010-202110071230ND
2021-10-07CA3400149_001_001-202110071230540.0 ppb