Manganese

Wellborn SUD

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	Samples taken	Detections	Range of results
2014	21.1 ppb	2	2	19.6 ppb - 22.6 ppb
2015	2.60 ppb	2	2	2.60 ppb
2016	7.17 ppb	3	3	6.40 ppb - 8.00 ppb
2017	3.05 ppb	2	2	2.70 ppb - 3.40 ppb
2018	3.97 ppb	65	35	ND - 33.0 ppb
2019	13.6 ppb	10	10	2.10 ppb - 78.4 ppb

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
2014-02-13	AC42866	22.6 ppb
2014-02-13	AC42867	19.6 ppb
2015-03-24	AC85810	2.60 ppb
2015-03-24	AC85814	2.60 ppb
2016-03-09	AD27813	6.40 ppb
2016-03-09	AD27814	7.10 ppb
2016-03-09	AD27811	8.00 ppb
2017-03-07	AD73643	2.70 ppb
2017-03-07	AD73639	3.40 ppb
2018-01-22	B002084-10	2.00 ppb
2018-01-22	B002084-16	4.00 ppb
2018-01-22	B002084-15	2.00 ppb
2018-01-22	B002084-14	ND
2018-01-22	B002084-13	2.00 ppb
2018-01-22	B002084-12	2.00 ppb
2018-01-22	B002084-11	2.00 ppb
2018-01-22	B002084-09	2.00 ppb
2018-01-22	B002084-07	33.0 ppb
2018-01-22	B002084-06	8.00 ppb
2018-01-22	B002084-05	13.0 ppb
2018-01-22	B002084-03	6.00 ppb
2018-01-22	B002084-02	3.00 ppb
2018-01-22	B002084-01	3.00 ppb
2018-01-22	B002084-08	5.00 ppb
2018-03-15	AE18557	5.10 ppb
2018-04-16	B009102-04	3.00 ppb
2018-04-16	B009102-05	7.00 ppb
2018-04-16	B009102-06	10.00 ppb
2018-04-16	B009102-07	7.00 ppb
2018-04-16	B009102-08	5.00 ppb
2018-04-16	B009102-09	6.00 ppb
2018-04-16	B009102-12	6.00 ppb
2018-04-16	B009102-03	11.0 ppb
2018-04-16	B009102-02	7.00 ppb
2018-04-16	B009102-01	2.00 ppb
2018-04-16	B009102-13	5.00 ppb
2018-04-16	B009102-14	3.00 ppb
2018-04-16	B009102-15	6.00 ppb
2018-04-16	B009102-16	4.00 ppb
2018-04-16	B009102-11	ND
2018-04-16	B009102-10	3.00 ppb
2018-05-16	AE26511	2.80 ppb
2018-07-26	Q1829894015	ND
2018-07-26	Q1829894016	ND
2018-07-26	Q1829894001	ND
2018-07-26	Q1829894002	ND
2018-07-26	Q1829894003	ND
2018-07-26	Q1829894004	ND
2018-07-26	Q1829894006	ND
2018-07-26	Q1829894007	ND
2018-07-26	Q1829894008	ND
2018-07-26	Q1829894009	ND
2018-07-26	Q1829894010	ND
2018-07-26	Q1829894011	ND
2018-07-26	Q1829894012	ND
2018-07-26	Q1829894013	ND
2018-07-26	Q1829894014	ND
2018-07-26	Q1829894005	ND
2018-10-29	Q1843161001	ND
2018-10-29	Q1843161004	ND
2018-10-29	Q1843161015	17.9 ppb
2018-10-29	Q1843161010	ND
2018-10-29	Q1843161011	ND
2018-10-29	Q1843161012	ND
2018-10-29	Q1843161013	19.8 ppb
2018-10-29	Q1843161014	30.1 ppb
2018-10-29	Q1843161005	10.5 ppb
2018-10-29	Q1843161006	ND
2018-10-29	Q1843161007	ND
2018-10-29	Q1843161008	ND
2018-10-29	Q1843161009	ND
2018-10-29	Q1843161003	ND
2018-10-29	Q1843161002	ND
2018-10-29	Q1843161016	ND
2019-01-08	AE49075	8.10 ppb
2019-01-08	AE49076	2.10 ppb
2019-01-15	AE49751	6.60 ppb
2019-01-29	Q1903989001	6.10 ppb
2019-01-29	Q1903989002	2.80 ppb
2019-01-29	Q1903989003	10.2 ppb
2019-01-29	Q1903989004	2.10 ppb
2019-01-29	Q1903989005	8.60 ppb
2019-01-29	Q1903989006	10.8 ppb
2019-04-25	Q1916591001	78.4 ppb