Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Manganese

Aqua Ohio - Ashtabula

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

 

64

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
201811.7 ppb2310ND - 70.0 ppb
20190.0161 ppb411ND - 0.661 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
2018-10-01AF97306ND
2018-10-01AF9730510.00 ppb
2018-10-08AF98287ND
2018-10-08AF9828820.0 ppb
2018-10-15AF9947310.00 ppb
2018-10-15AF99472ND
2018-10-23AF9947530.0 ppb
2018-10-23AF99474ND
2018-10-29AG00389ND
2018-10-29AG0038850.0 ppb
2018-11-05AG01028ND
2018-11-05AG0102910.00 ppb
2018-11-12AG01920ND
2018-11-12AG0192110.00 ppb
2018-11-19AG01922ND
2018-11-19AG0192310.00 ppb
2018-11-27AG0295550.0 ppb
2018-11-27AG02956ND
2018-12-03AG02952ND
2018-12-03AG0295370.0 ppb
2018-12-10AG04066ND
2018-12-17AG04830ND
2018-12-26AG05471ND
2019-01-02AG05470ND
2019-01-07AG06098ND
2019-01-14AG07096ND
2019-01-21AG07097ND
2019-01-28AG08004ND
2019-02-04AG08001ND
2019-02-11AG08689ND
2019-02-18AG09901ND
2019-02-25AG09902ND
2019-03-04AG10597ND
2019-03-11AG11993ND
2019-03-19AG11994ND
2019-03-25AG12741ND
2019-04-01AG13121ND
2019-04-08AG13812ND
2019-04-15AG14951ND
2019-04-22AG16340ND
2019-05-01AG16337ND
2019-05-06AG17102ND
2019-05-084287280ND
2019-05-13AG18420ND
2019-05-20AG18421ND
2019-05-28AG19171ND
2019-06-03AG19736ND
2019-06-10AG21230ND
2019-06-17AG21231ND
2019-06-24AG22572ND
2019-07-01AG23159ND
2019-07-08AG23532ND
2019-07-15AG25289ND
2019-07-22AG25290ND
2019-08-05AG27160ND
2019-08-084380018ND
2019-08-12AG28968ND
2019-08-19AG28969ND
2019-08-26AG29838ND
2019-09-03AG30656ND
2019-09-09AG32530ND
2019-09-16AG32531ND
2019-09-23AG33588ND
2019-11-1244837750.661 ppb