Know Your Environment. Protect Your Health.

Manganese

Kent 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.

 

44

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20184.93 ppb154ND - 44.0 ppb
20193.08 ppb124ND - 12.0 ppb
2020ND10ND
20216.49 ppb97ND - 18.0 ppb
20226.13 ppb32ND - 18.0 ppb
2023ND40ND

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
2018-05-0839699001ND
2018-05-0839699401ND
2018-05-0839698701ND
2018-05-083969950144.0 ppb
2018-05-0839698401ND
2018-07-16ND
2018-07-16ND
2018-07-17ND
2018-08-07ND
2018-08-07ND
2018-11-06418468019.60 ppb
2018-11-0641846501ND
2018-11-0641846701ND
2018-11-064184630120.0 ppb
2018-11-06418464010.400 ppb
2019-02-194334200112.0 ppb
2019-07-02ND
2019-07-02ND
2019-07-02ND
2019-07-12ND
2019-07-12ND
2019-07-1611.0 ppb
2019-07-1611.0 ppb
2019-07-22ND
2019-07-22ND
2019-07-23ND
2019-11-13470604013.00 ppb
2020-05-1449727701ND
2021-06-234180800ND
2021-06-234180800ND
2021-07-13421289018.0 ppb
2021-07-1342128881.60 ppb
2021-07-13421289018.0 ppb
2021-07-1342128890.480 ppb
2021-07-20420015310.00 ppb
2021-07-20420015310.00 ppb
2021-07-2742035660.320 ppb
2022-07-2643294120.400 ppb
2022-07-264329405ND
2022-07-26432940918.0 ppb
2023-07-314511171ND
2023-07-314511172ND
2023-07-314511170ND
2023-07-314511173ND