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EWG's Tap Water Database — 2021 UPDATE

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Manganese

Auburn Ridge Woods

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

 

128

Samples

0

Samples exceeding legal limit (MCL)

67

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014553.4 ppb159ND - 1,030.0 ppb
2015401.0 ppb2214ND - 1,040.0 ppb
2016480.4 ppb2312ND - 1,130.0 ppb
2017447.4 ppb2218ND - 979.0 ppb
2018548.1 ppb2421ND - 1,860.0 ppb
2019471.9 ppb2220ND - 1,104.0 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
2014-01-067473-001-0945968.0 ppb
2014-03-037473-001-1140874.0 ppb
2014-05-057473-001-1155894.0 ppb
2014-07-157473-001-1150857.0 ppb
2014-07-157473-003-1155ND
2014-08-067473-001-1150939.0 ppb
2014-08-067473-003-1206ND
2014-09-037473-001-1101887.0 ppb
2014-09-157473-003-1205ND
2014-10-077473-001-1130952.0 ppb
2014-10-077473-003-1135ND
2014-11-057473-001-1100900.0 ppb
2014-11-057473-003-1103ND
2014-12-037473-001-10501,030.0 ppb
2014-12-037473-003-1055ND
2015-01-077473-001-1050960.0 ppb
2015-01-077473-003-1050ND
2015-02-047473-001-1007880.0 ppb
2015-02-047473-003-1015ND
2015-03-047473-001-1125978.0 ppb
2015-03-047473-003-112018.0 ppb
2015-04-297473-003-123089.0 ppb
2015-05-197473-001-1230908.0 ppb
2015-05-197473-003-1235113.0 ppb
2015-05-277473-003-1015ND
2015-06-177473-001-1125875.0 ppb
2015-06-177473-003-1120ND
2015-07-147473-001-1210924.0 ppb
2015-07-147473-003-1200ND
2015-08-057473-001-1035922.0 ppb
2015-08-057473-003-1030ND
2015-09-167473-001-1238881.0 ppb
2015-10-227473-001-10301,040.0 ppb
2015-10-227473-003-1025223.0 ppb
2015-10-287473-003-1400ND
2015-11-307473-003-1600ND
2015-12-077473-003-123012.0 ppb
2016-01-047473-001-11301,130.0 ppb
2016-01-047473-003-1135ND
2016-02-057473-001-1430946.0 ppb
2016-02-057473-003-1435ND
2016-03-077473-001-1400929.0 ppb
2016-03-077473-003-1430ND
2016-04-047473-001-1255905.0 ppb
2016-04-047473-003-1300ND
2016-05-067473-001-1310907.0 ppb
2016-05-067473-003-1330ND
2016-06-107473-001-1510935.0 ppb
2016-06-107473-003-1515ND
2016-07-057473-001-1530490.0 ppb
2016-07-057473-003-1535ND
2016-08-017473-001-1235955.0 ppb
2016-08-017473-003-1240ND
2016-09-067473-001-1335948.0 ppb
2016-09-067473-003-1610ND
2016-10-037473-001-1030916.0 ppb
2016-10-037473-003-1050ND
2016-11-077473-001-1220999.0 ppb
2016-11-077473-003-1225ND
2016-12-057473-001-1455989.0 ppb
2017-01-067473-001-1225903.2 ppb
2017-01-067473-001-1235ND
2017-02-087473-001-1515869.6 ppb
2017-02-087473-003-15200.920 ppb
2017-03-067473-001-1155870.9 ppb
2017-03-067473-003-11501.61 ppb
2017-04-037473-001-1200794.6 ppb
2017-04-037473-003-12100.770 ppb
2017-05-017473-001-1150821.7 ppb
2017-05-017473-003-12152.68 ppb
2017-06-067473-001-1515884.6 ppb
2017-06-067473-003-1510ND
2017-07-037473-001-1155933.8 ppb
2017-07-037473-003-12000.960 ppb
2017-08-097473-001-1140879.5 ppb
2017-08-097473-003-1145ND
2017-09-087473-001-1510967.1 ppb
2017-09-087473-003-15154.07 ppb
2017-10-027473-001-1335924.0 ppb
2017-10-027473-003-13352.70 ppb
2017-12-047473-001-1225979.0 ppb
2017-12-047473-003-1230ND
2018-01-057473-001-1250976.7 ppb
2018-01-057473-003-1245ND
2018-02-057473-001-1450897.1 ppb
2018-02-057473-003-15000.870 ppb
2018-03-057473-001-1645986.9 ppb
2018-03-057473-003-1650ND
2018-04-027473-001-1645937.6 ppb
2018-04-027473-003-16550.560 ppb
2018-05-107473-001-0900920.5 ppb
2018-05-107473-003-0900ND
2018-06-087473-001-1510935.2 ppb
2018-06-087473-003-15150.840 ppb
2018-07-107473-001-1500927.4 ppb
2018-07-107473-003-15001.07 ppb
2018-08-097473-001-1230967.2 ppb
2018-08-097473-003-12300.960 ppb
2018-09-077473-001-1200583.8 ppb
2018-09-077473-003-120011.1 ppb
2018-10-057473-001-12001,047.0 ppb
2018-10-057473-003-12003.49 ppb
2018-11-087473-001-1200997.0 ppb
2018-11-087473-003-12001,860.0 ppb
2018-12-077473-001-12451,083.0 ppb
2018-12-077473-003-124515.4 ppb
2019-01-047473-001-13151,026.0 ppb
2019-01-047473-003-13153.64 ppb
2019-02-047473-001-1145983.7 ppb
2019-02-047473-003-120090.0 ppb
2019-03-087473-001-12001,060.0 ppb
2019-03-087473-003-111041.8 ppb
2019-04-057473-001-1220860.0 ppb
2019-04-057473-003-1225ND
2019-06-127473-003-1340266.6 ppb
2019-07-057473-001-1245976.9 ppb
2019-07-057473-003-12450.959 ppb
2019-08-097473-001-12401,104.0 ppb
2019-08-097473-003-12400.711 ppb
2019-09-067473-001-1435916.5 ppb
2019-09-067473-003-14500.934 ppb
2019-10-047473-001-09401,066.0 ppb
2019-10-047473-003-09401.59 ppb
2019-10-047473-003-09460.447 ppb
2019-11-087473-001-10301,000.0 ppb
2019-11-087473-003-1025ND
2019-12-067473-001-0951980.7 ppb
2019-12-067473-003-09510.804 ppb