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EWG's Tap Water Database — 2021 UPDATE

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Manganese

Vaughn WC Inc

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.

 

40

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
2015N/A00N/A
2016ND60ND
2017ND20ND
2018N/A00N/A
20190.0922 ppb183ND - 0.710 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
2014-07-315867-050-1400ND
2014-08-275867-046-1040ND
2016-06-295867-026-1120ND
2016-06-295867-035-1200ND
2016-07-275867-020-1130ND
2016-07-275867-027-1230ND
2016-08-315867-018-1100ND
2016-09-295867-048-1325ND
2017-06-225867-050-1000ND
2017-06-225867-046-1035ND
2019-03-195867-020-1150ND
2019-03-195867-048-1010ND
2019-04-255867-018-1255ND
2019-04-255867-026-1350ND
2019-05-285867-035-1140ND
2019-08-215867-027-1010ND
2019-10-18A9H3526-12ND
2019-10-18A9H3526-11ND
2019-10-18A9H3526-10ND
2019-10-18A9H3526-090.410 ppb
2019-10-18A9H3526-03ND
2019-10-18A9H3526-08ND
2019-10-18A9H3526-07ND
2019-10-18A9H3526-06ND
2019-10-18A9H3526-05ND
2019-10-18A9H3526-04ND
2019-10-18A9H3526-020.540 ppb
2019-10-18A9H3526-010.710 ppb
2020-04-17ADC2234-05ND
2020-04-17ADC2234-04ND
2020-04-17ADC2234-06ND
2020-04-17ADC2234-070.440 ppb
2020-04-17ADC2234-03ND
2020-04-17ADC2234-08ND
2020-04-17ADC2234-020.900 ppb
2020-04-17ADC2234-090.890 ppb
2020-04-17ADC2234-10ND
2020-04-17ADC2234-011.40 ppb
2020-04-17ADC2234-11ND
2020-04-17ADC2234-120.800 ppb