Manganese

North Baldwin 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.

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	N/A	0	0	N/A
2015	ND	1	0	ND
2016	ND	7	0	ND
2017	N/A	0	0	N/A
2018	N/A	0	0	N/A
2019	4.14 ppb	12	7	ND - 20.3 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
2015-11-04	15K0099-6	ND
2016-07-12	16G0014-5	ND
2016-07-12	16G0014-7	ND
2016-07-12	16G0014-8	ND
2016-07-12	16G0014-2	ND
2016-07-12	16G0014-4	ND
2016-07-12	16G0014-1	ND
2016-07-12	16G0014-3	ND
2019-05-29	20105927003_IIOC	ND
2019-05-29	20105927005_IIOC	ND
2019-05-29	20105927006_IIOC	ND
2019-05-29	20105927004_IIOC	ND
2019-05-29	20105927001_IIOC	ND
2019-05-29	20105927002_IIOC	8.20 ppb
2019-10-14	35505014001SEA1	1.80 ppb
2019-10-14	35505014003SEA1	3.50 ppb
2019-10-14	35505014004SEA1	1.90 ppb
2019-10-14	35505014005SEA1	0.510 ppb
2019-10-14	35505014006SEA1	20.3 ppb
2019-10-28	35508005001SEA1	13.5 ppb
2020-04-20	35544902001SEA2	9.40 ppb
2020-04-20	35544902002SEA2	3.60 ppb
2020-04-20	35544902003SEA2	2.30 ppb
2020-04-20	35544902004SEA2	0.510 ppb
2020-04-20	35544902005SEA2	341.0 ppb
2020-06-04	35554591001SEA2	1.50 ppb