Know Your Environment. Protect Your Health.

Manganese

Leicester Water Supply District

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.

 

58

Samples

0

Samples exceeding legal limit (MCL)

2

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
201823.0 ppb106ND - 96.2 ppb
201916.0 ppb83ND - 89.3 ppb
202016.6 ppb83ND - 93.4 ppb
202121.4 ppb126ND - 106.0 ppb
20222.84 ppb103ND - 19.0 ppb
20236.76 ppb103ND - 41.3 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
2018-03-27ND
2018-06-13ND
2018-06-1389.0 ppb
2018-06-13ND
2018-06-1316.7 ppb
2018-06-1396.2 ppb
2018-06-1312.7 ppb
2018-06-1310.6 ppb
2018-09-18ND
2018-12-185.10 ppb
2019-02-28ND
2019-05-28ND
2019-05-289.00 ppb
2019-05-28ND
2019-05-2889.3 ppb
2019-05-2829.8 ppb
2019-09-05ND
2019-12-12ND
2020-02-25ND
2020-06-2493.4 ppb
2020-06-2413.2 ppb
2020-06-2426.3 ppb
2020-06-24ND
2020-06-24ND
2020-09-15ND
2020-10-22ND
2021-01-282.80 ppb
2021-06-1615.3 ppb
2021-06-166.86 ppb
2021-06-16ND
2021-06-1620.2 ppb
2021-06-16106.0 ppb
2021-06-16ND
2021-06-16106.0 ppb
2021-06-16ND
2021-08-25ND
2021-12-08ND
2021-12-08ND
2022-03-29ND
2022-05-12ND
2022-05-12ND
2022-05-12ND
2022-05-125.64 ppb
2022-05-1219.0 ppb
2022-05-123.74 ppb
2022-09-23ND
2022-12-08ND
2022-12-08ND
2023-02-14ND
2023-05-109.34 ppb
2023-05-1041.3 ppb
2023-05-10ND
2023-05-10ND
2023-05-10ND
2023-05-1017.0 ppb
2023-07-27ND
2023-12-18ND
2023-12-18ND