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EWG's Tap Water Database — 2021 UPDATE

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Manganese

Mountain Water Company

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.

 

116

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
20140.385 ppb131ND - 5.00 ppb
2015ND120ND
2016ND100ND
20170.0833 ppb121ND - 1.000 ppb
20180.0537 ppb303ND - 0.620 ppb
20190.434 ppb274ND - 6.50 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
2014-04-02B14040321-002AND
2014-09-10B14091071-001CND
2014-09-10B14091071-002CND
2014-09-10B14091071-003CND
2014-11-06B14110557-001CND
2014-11-06B14110557-002CND
2014-11-06B14110557-003CND
2014-11-20B14111576-001CND
2014-11-20B14111576-002CND
2014-11-20B14111576-003CND
2014-11-24B14111861-001C5.00 ppb
2014-11-24B14111861-002CND
2014-12-22B14121939-001CND
2015-01-29B15011910-001CND
2015-09-29B15092516-001CND
2015-09-29B15092516-002CND
2015-09-29B15092516-003CND
2015-09-29B15092516-004CND
2015-10-20B15101683-001CND
2015-10-20B15101683-002CND
2015-10-20B15101683-003CND
2015-10-20B15101683-004CND
2015-10-27B15102213-001CND
2015-10-27B15102213-002CND
2015-10-27B15102213-003CND
2016-10-10B16100735-001CND
2016-10-10B16100735-002CND
2016-10-10B16100735-003CND
2016-11-09B16110855-001CND
2016-11-09B16110855-002CND
2016-11-09B16110855-003CND
2016-11-09B16110855-004CND
2016-11-16B16111413-001CND
2016-11-16B16111413-002CND
2016-11-16B16111413-003CND
2017-09-26B17092349-001C1.000 ppb
2017-09-26B17092349-002CND
2017-09-26B17092349-003CND
2017-10-03B17100298-001CND
2017-10-03B17100298-002CND
2017-10-03B17100298-003CND
2017-10-03B17100298-004CND
2017-10-11B17101115-001CND
2017-10-11B17101115-002CND
2017-10-11B17101115-003CND
2017-10-11B17101115-004CND
2017-10-11B17101120-001CND
2018-04-03B8D0562-01ND
2018-04-03B8D0562-02ND
2018-04-10B8D1460-01ND
2018-04-10B8D1460-02ND
2018-04-10B8D1460-03ND
2018-04-16B8D2060-020.620 ppb
2018-04-16B8D2060-01ND
2018-04-24B8D2711-04ND
2018-04-24B8D2711-020.420 ppb
2018-05-15B18051508-001BND
2018-05-15B18051514-001BND
2018-05-23B18052237-001BND
2018-06-05B18060423-001BND
2018-06-19B18061823-001BND
2018-07-17B18071571-001BND
2018-07-17B18071604-001BND
2018-07-18B18071741-001BND
2018-07-18B18071799-001BND
2018-08-14B18081504-001BND
2018-08-14B18081537-001BND
2018-09-05B18090357-001BND
2018-10-02B8J0749-01ND
2018-10-02B8J0749-03ND
2018-10-09B8J1807-01ND
2018-10-09B8J1807-03ND
2018-10-09B8J1807-05ND
2018-10-16B8J2772-03ND
2018-10-16B8J2772-010.570 ppb
2018-10-23B8J3639-01ND
2018-10-23B8J3639-05ND
2019-04-02B9D0750-01ND
2019-04-02B9D0750-05ND
2019-04-09B9D1806-01ND
2019-04-09B9D1806-03ND
2019-04-17B9D2880-01ND
2019-04-17B9D2880-030.710 ppb
2019-04-23B9D3533-01ND
2019-04-23B9D3533-03ND
2019-05-14B19051387-001BND
2019-05-22B19052006-001BND
2019-06-04B19060314-001BND
2019-06-11B19061058-001BND
2019-06-18B19061773-001BND
2019-07-09B19070912-001BND
2019-07-17B19071738-001BND
2019-07-23B19072150-001BND
2019-08-07B19080745-001BND
2019-08-13B19081351-001BND
2019-08-20B19082022-001BND
2019-10-01B9J0487-01ND
2019-10-01B9J0487-02ND
2019-10-08B9J1668-016.50 ppb
2019-10-08B9J1668-023.70 ppb
2019-10-22B9J3544-01ND
2019-10-22B9J3544-02ND
2019-10-29B9J4335-01ND
2019-10-29B9J4335-020.820 ppb
2020-04-06C0D1061-01ND
2020-04-14C0D2212-01ND
2020-04-14C0D2212-02ND
2020-04-21C0D3024-03ND
2020-04-22C0D3024-02ND
2020-04-28C0D3765-013.10 ppb
2020-10-06C0J1115-01ND
2020-10-06C0J1115-02ND
2020-10-13C0J2175-01ND
2020-10-21C0J3114-02ND
2020-10-27C0J3820-02ND
2020-11-09C0K1539-010.520 ppb