Know Your Environment. Protect Your Health.

Manganese

Clark Public Utilities

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.

 

48

Samples

0

Samples exceeding legal limit (MCL)

1

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
201913.5 ppb82ND - 66.0 ppb
202011.8 ppb1912ND - 130.0 ppb
202111.7 ppb32ND - 19.0 ppb
2022ND140ND
202316.5 ppb42ND - 44.0 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 Lab ID Result
2019-04-02ND
2019-06-12ND
2019-07-22ND
2019-07-2242.0 ppb
2019-07-23ND
2019-08-29ND
2019-09-05ND
2019-09-1766.0 ppb
2020-03-25VDB0368-01ND
2020-03-25VDB0368-02ND
2020-03-25VDB0368-0311.0 ppb
2020-03-25VDB0368-04ND
2020-03-25VDB0368-053.30 ppb
2020-03-25VDB0368-0616.0 ppb
2020-03-25VDB0368-07ND
2020-03-25VDB0368-08130.0 ppb
2020-03-25VDB0368-0923.0 ppb
2020-03-25VDB0368-101.30 ppb
2020-09-16VDH0158-0614.0 ppb
2020-09-16VDH0158-051.60 ppb
2020-09-16VDH0158-080.600 ppb
2020-09-16VDH0158-04ND
2020-09-16VDH0158-03ND
2020-09-16VDH0158-0918.0 ppb
2020-09-16VDH0158-02ND
2020-09-16VDH0158-013.10 ppb
2020-09-16VDH0158-102.60 ppb
2021-06-29413630819.0 ppb
2021-06-29413630916.0 ppb
2021-08-024171193ND
2022-03-314266325ND
2022-07-074329452ND
2022-07-074329454ND
2022-07-074329453ND
2022-07-284328491ND
2022-07-284329448ND
2022-08-034329441ND
2022-08-034329440ND
2022-08-034328492ND
2022-08-044329468ND
2022-08-044329461ND
2022-08-044329471ND
2022-08-044328488ND
2022-08-164364181ND
2023-04-064439682ND
2023-06-01447446122.0 ppb
2023-06-094473584ND
2023-09-19453198344.0 ppb