Know Your Environment. Protect Your Health.

Manganese

Town of Hampstead

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.

 

31

Samples

0

Samples exceeding legal limit (MCL)

2

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND30ND
2019106.8 ppb52ND - 365.0 ppb
2020ND60ND
2021ND20ND
20223.29 ppb72ND - 13.0 ppb
20234.63 ppb84ND - 10.00 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 Lab ID Result
2018-03-05E052960_09ND
2018-09-05E055512_13ND
2018-12-03E056641_10ND
2019-06-03E058911_12ND
2019-09-04E060257_09ND
2019-12-05E061473_05169.0 ppb
2019-12-16E061589-01365.0 ppb
2019-12-16E061589-02ND
2020-03-03E062383-13ND
2020-03-03E20002994004ND
2020-06-03E20003718002ND
2020-07-29E21000292002ND
2020-09-01E064325-12ND
2020-12-14E065517-03ND
2021-01-21E21001852002ND
2021-09-01E068099_10ND
2022-03-01E2200123702ND
2022-03-03E069898_0413.0 ppb
2022-03-03E069898_10ND
2022-06-01E070826_0410.00 ppb
2022-06-01E070826_10ND
2022-08-03E230002502ND
2022-12-02E072568_04ND
2023-03-01030123-316AA1ND
2023-03-01030123-316BB1-310.00 ppb
2023-06-010060003-060123-TP148.00 ppb
2023-06-01060123-316AA1-2ND
2023-09-05090523-316AA1-2ND
2023-09-05090523-316BB1-B310.00 ppb
2023-12-04120423-316AA1-BB3ND
2023-12-04120423-316BB1-BB49.00 ppb