Manganese

City of Scottsdale

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.

MORE ABOUT THIS CONTAMINANT

Samples

Samples exceeding legal limit (MCL)

Samples exceeding
health guidelines

Testing results - average by year

Year	Average result	Range of results
2014	N/A	N/A
2015	N/A	N/A
2016	N/A	N/A
2017	N/A	N/A
2018	N/A	N/A
2019	N/A	N/A

ppb = parts per billion

State and national drinking water standards and health guidelines

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
2020-02-12	202002120273	ND
2020-02-12	202002130481	3.30 ppb
2020-02-12	202002120274	ND
2020-02-20	202002200134	0.630 ppb
2020-02-26	202002260278	1.10 ppb
2020-02-26	202002260279	ND
2020-04-22	202004220568	1.70 ppb
2020-05-06	202005060398	ND
2020-05-12	202005120320	ND
2020-08-04	202008040219	ND
2020-08-04	202008040220	ND
2020-08-06	202008060218	1.80 ppb
2020-08-11	202008110184	0.480 ppb
2020-08-13	202008130176	0.610 ppb
2020-08-20	202008200294	1.30 ppb
2020-10-13	202010130341	ND
2020-11-02	202011020140	ND
2020-11-17	202011170276	ND