Know Your Environment. Protect Your Health.

Manganese

Woodbury City Water Department

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.

 

20

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20182.30 ppb112.30 ppb
20198.90 ppb54ND - 28.3 ppb
20207.11 ppb98ND - 35.1 ppb
202111.0 ppb1111.0 ppb
20226.10 ppb116.10 ppb
2023ND30ND

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
2018-09-13L7069296-12.30 ppb
2019-09-25L7161662-1ND
2019-12-1270115341005SEA11.30 ppb
2019-12-1270115341008SEA113.6 ppb
2019-12-1270115341006SEA11.30 ppb
2019-12-1270115341007SEA128.3 ppb
2020-01-29L7187090-235.1 ppb
2020-02-12L7188250-34.70 ppb
2020-02-19L7190025-33.60 ppb
2020-03-0470124138005SEA20.890 ppb
2020-06-0370133507005SEA30.640 ppb
2020-06-0370133507007SEA212.2 ppb
2020-06-0370133507006SEA22.90 ppb
2020-09-1670146348005SEA4ND
2020-09-23630-7573-14.00 ppb
2021-10-06630-22835-111.0 ppb
2022-10-18630-47723-36.10 ppb
2023-11-16V134148MNND
2023-11-16V134147MNND
2023-11-16V134146MNND