Manganese

City of Corinth

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
2013	N/A	0	0	N/A
2014	N/A	0	0	N/A
2015	N/A	0	0	N/A
2016	N/A	0	0	N/A
2017	N/A	0	0	N/A
2018	0.650 ppb	18	13	ND - 2.10 ppb
2019	0.177 ppb	6	2	ND - 0.590 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
2018-04-23	35388245001SEA1	1.40 ppb
2018-04-23	35388245006SEA1	ND
2018-04-23	35388245002SEA1	1.30 ppb
2018-04-23	35388245005SEA1	2.10 ppb
2018-04-23	35388245003SEA1	1.30 ppb
2018-04-23	35388245004SEA1	1.30 ppb
2018-06-18	35399325001SEA2	ND
2018-06-18	35399325006SEA2	0.410 ppb
2018-06-18	35399325005SEA2	ND
2018-06-18	35399325004SEA2	ND
2018-06-18	35399325003SEA2	0.400 ppb
2018-06-18	35399325002SEA2	ND
2018-09-18	35419256002SEA3	0.640 ppb
2018-09-18	35419256003SEA3	0.640 ppb
2018-09-18	35419256001SEA3	0.600 ppb
2018-09-18	35419256004SEA3	0.600 ppb
2018-09-19	35419256010SEA3	0.530 ppb
2018-10-07	35422941001SEA3	0.480 ppb
2019-01-14	35442118003SEA4	ND
2019-01-14	35442118002SEA4	0.470 ppb
2019-01-14	35442118004SEA4	ND
2019-01-14	35442118005SEA4	ND
2019-01-14	35442118001SEA4	ND
2019-01-14	35442118006SEA4	0.590 ppb