Manganese

Citizens Water - Indianapolis

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	N/A	0	0	N/A
2016	N/A	0	0	N/A
2017	N/A	0	0	N/A
2018	N/A	0	0	N/A
2019	0.395 ppb	12	7	ND - 0.873 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
2019-09-10	4417009	ND
2019-09-11	4417090	ND
2019-09-11	4417108	0.644 ppb
2019-09-11	4417001	0.860 ppb
2019-09-11	4416997	ND
2019-09-11	4417005	0.608 ppb
2019-09-11	4417096	ND
2019-09-11	4417102	0.738 ppb
2019-09-18	4427071	0.873 ppb
2019-12-09	4510369	ND
2019-12-09	4510726	0.517 ppb
2019-12-09	4510380	0.496 ppb
2020-03-10	4585105	0.405 ppb
2020-03-10	4585171	0.521 ppb
2020-03-10	4585249	ND
2020-03-10	4585151	0.867 ppb
2020-03-11	4585116	0.931 ppb
2020-03-11	4585255	0.670 ppb
2020-03-11	4585205	0.810 ppb
2020-03-11	4585127	0.875 ppb
2020-03-31	4599863	ND
2020-06-10	4647539	0.841 ppb
2020-06-10	4647535	ND
2020-06-10	4647527	0.477 ppb
2020-06-10	4647531	1.23 ppb