Know Your Environment. Protect Your Health.

Manganese

Deerfield Estates

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.

 

38

Samples

0

Samples exceeding legal limit (MCL)

10

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018216.4 ppb72ND - 891.0 ppb
2019217.6 ppb117ND - 898.0 ppb
2020188.4 ppb51ND - 942.0 ppb
2021192.0 ppb52ND - 889.0 ppb
2022163.2 ppb53ND - 802.0 ppb
2023130.3 ppb53ND - 640.0 ppb

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 Result
2018-01-23ND
2018-04-10ND
2018-06-12ND
2018-06-12624.0 ppb
2018-09-24ND
2018-10-30891.0 ppb
2018-11-07ND
2019-01-21ND
2019-02-11ND
2019-04-09ND
2019-05-065.00 ppb
2019-06-1122.0 ppb
2019-06-11663.0 ppb
2019-07-174.00 ppb
2019-07-22ND
2019-10-21149.0 ppb
2019-11-11653.0 ppb
2019-11-11898.0 ppb
2020-03-17ND
2020-05-19942.0 ppb
2020-05-19ND
2020-07-27ND
2020-10-15ND
2021-01-21ND
2021-04-28889.0 ppb
2021-04-28ND
2021-07-27ND
2021-10-2571.0 ppb
2022-01-25ND
2022-04-257.00 ppb
2022-04-25802.0 ppb
2022-07-27ND
2022-10-197.00 ppb
2023-01-059.00 ppb
2023-06-28640.0 ppb
2023-06-282.40 ppb
2023-08-03ND
2023-12-19ND