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EWG's Tap Water Database — 2021 UPDATE

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Manganese

Hawthorne Water Department

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

 

539

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
201430.3 ppb111101ND - 76.0 ppb
201530.5 ppb10483ND - 60.0 ppb
201628.1 ppb8442ND - 65.0 ppb
2017ND360ND
201825.4 ppb10251ND - 64.0 ppb
201927.2 ppb10251ND - 58.0 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
2014-01-085701-004-101051.5 ppb
2014-01-085701-007-09451.60 ppb
2014-01-085701-010-095076.0 ppb
2014-01-155701-004-095054.7 ppb
2014-01-155701-007-10201.53 ppb
2014-01-155701-010-102570.5 ppb
2014-01-239590-004-113554.0 ppb
2014-01-249590-004-112054.0 ppb
2014-01-249590-007-1130ND
2014-01-295701-004-093551.2 ppb
2014-01-295701-007-09452.62 ppb
2014-01-295701-010-100061.9 ppb
2014-02-055701-004-094551.3 ppb
2014-02-055701-007-09550.496 ppb
2014-02-125701-004-100051.5 ppb
2014-02-125701-007-10100.258 ppb
2014-02-199590-004-090056.0 ppb
2014-02-199590-007-0930ND
2014-02-265701-004-093044.9 ppb
2014-02-265701-007-10302.65 ppb
2014-03-055701-004-093051.5 ppb
2014-03-055701-007-10300.553 ppb
2014-03-125701-004-095543.0 ppb
2014-03-125701-007-10101.38 ppb
2014-03-195810-004-110556.0 ppb
2014-03-195810-007-1115ND
2014-03-265810-004-093555.0 ppb
2014-03-265810-007-0950ND
2014-04-025810-004-115557.0 ppb
2014-04-025810-007-1205ND
2014-04-095810-004-102057.0 ppb
2014-04-095810-007-1030ND
2014-04-165810-004-093558.0 ppb
2014-04-165810-007-1000ND
2014-04-239590-004-080055.0 ppb
2014-04-305701-004-102457.4 ppb
2014-04-305701-007-10352.11 ppb
2014-05-075701-004-094057.0 ppb
2014-05-075701-007-10001.39 ppb
2014-05-155701-004-094550.6 ppb
2014-05-155701-007-10001.12 ppb
2014-05-215701-004-111050.3 ppb
2014-05-215701-007-10451.73 ppb
2014-05-285701-004-104054.4 ppb
2014-05-285701-007-09150.889 ppb
2014-06-045701-004-094547.9 ppb
2014-06-045701-007-09551.33 ppb
2014-06-115701-004-101551.4 ppb
2014-06-115701-007-09551.50 ppb
2014-06-185810-004-160554.0 ppb
2014-06-185810-007-1600ND
2014-06-255701-004-090054.7 ppb
2014-06-255701-007-09151.50 ppb
2014-07-025701-004-095052.3 ppb
2014-07-025810-004-095058.0 ppb
2014-07-025701-007-10051.57 ppb
2014-07-095701-004-102058.3 ppb
2014-07-095701-007-10301.28 ppb
2014-07-159590-004-141558.0 ppb
2014-07-159590-007-1410ND
2014-07-189590-004-142558.0 ppb
2014-07-235701-004-093555.1 ppb
2014-07-235701-007-101025.9 ppb
2014-07-305701-004-095054.0 ppb
2014-07-305701-007-10051.91 ppb
2014-08-065701-004-095053.6 ppb
2014-08-065701-007-10051.57 ppb
2014-08-135701-004-095052.9 ppb
2014-08-135701-007-10102.47 ppb
2014-08-205701-004-091552.3 ppb
2014-08-205701-007-09301.97 ppb
2014-08-275701-004-090048.6 ppb
2014-08-275701-007-09151.81 ppb
2014-09-035701-004-094555.6 ppb
2014-09-035701-007-10102.96 ppb
2014-09-105701-004-100055.5 ppb
2014-09-105701-007-10101.71 ppb
2014-09-175701-004-100555.9 ppb
2014-09-175701-007-10152.92 ppb
2014-09-245701-004-102554.4 ppb
2014-09-245701-007-10352.60 ppb
2014-10-015701-004-100055.1 ppb
2014-10-015701-007-10101.73 ppb
2014-10-085701-004-110058.0 ppb
2014-10-085701-007-11103.37 ppb
2014-10-155701-004-103055.4 ppb
2014-10-155701-007-10452.58 ppb
2014-10-225701-004-101056.6 ppb
2014-10-225701-007-10251.97 ppb
2014-10-295701-004-103055.3 ppb
2014-10-295701-007-104210.3 ppb
2014-11-055701-004-093053.1 ppb
2014-11-055701-007-09452.07 ppb
2014-11-125701-004-103252.5 ppb
2014-11-125701-007-10371.86 ppb
2014-11-195701-004-093055.1 ppb
2014-11-195701-007-09152.02 ppb
2014-11-245701-004-101052.9 ppb
2014-11-245701-007-10252.23 ppb
2014-12-035701-004-101554.5 ppb
2014-12-035701-007-10301.79 ppb
2014-12-119590-004-135061.0 ppb
2014-12-119590-007-1315ND
2014-12-125701-004-081153.7 ppb
2014-12-125701-007-00004.86 ppb
2014-12-185701-004-101154.3 ppb
2014-12-185701-007-10399.86 ppb
2014-12-225701-004-091553.9 ppb
2014-12-225701-007-09405.97 ppb
2014-12-295701-004-091554.9 ppb
2014-12-295701-007-09304.50 ppb
2015-01-075701-004-104954.3 ppb
2015-01-075701-007-11084.17 ppb
2015-01-165701-004-103254.3 ppb
2015-01-165701-007-10443.30 ppb
2015-01-215701-004-095953.0 ppb
2015-01-215701-007-09293.99 ppb
2015-01-285701-004-090052.1 ppb
2015-01-285701-007-09206.23 ppb
2015-02-045701-004-094552.7 ppb
2015-02-045701-007-100411.3 ppb
2015-02-115701-004-093053.9 ppb
2015-02-115701-007-09404.19 ppb
2015-02-185701-004-084854.6 ppb
2015-02-185701-007-09165.61 ppb
2015-02-255701-004-091054.4 ppb
2015-02-255701-007-093012.2 ppb
2015-03-045701-004-084054.0 ppb
2015-03-045701-007-09004.09 ppb
2015-03-115701-004-091554.5 ppb
2015-03-115701-007-09405.80 ppb
2015-03-185701-004-084053.9 ppb
2015-03-185701-007-090015.7 ppb
2015-03-259590-004-112058.0 ppb
2015-03-259590-007-1140ND
2015-03-279590-004-084759.0 ppb
2015-03-279590-007-0914ND
2015-04-015701-004-090054.4 ppb
2015-04-015701-007-09305.10 ppb
2015-04-085701-004-092952.7 ppb
2015-04-085701-007-10105.07 ppb
2015-04-155701-004-083054.5 ppb
2015-04-155701-007-08453.39 ppb
2015-04-225701-004-084554.1 ppb
2015-04-225701-007-09096.33 ppb
2015-04-295701-004-083553.4 ppb
2015-04-295701-007-09164.85 ppb
2015-05-065701-004-095055.4 ppb
2015-05-065701-007-10286.71 ppb
2015-05-135701-004-100552.4 ppb
2015-05-135701-007-102016.4 ppb
2015-05-205701-004-095553.1 ppb
2015-05-205701-007-10256.51 ppb
2015-05-275701-004-110652.9 ppb
2015-05-275701-007-11226.68 ppb
2015-06-035701-004-090052.9 ppb
2015-06-035701-007-093014.6 ppb
2015-06-105701-004-083052.9 ppb
2015-06-105701-007-09006.83 ppb
2015-06-175701-004-101453.2 ppb
2015-06-175701-007-10304.72 ppb
2015-06-245701-004-084054.3 ppb
2015-06-245701-007-091013.5 ppb
2015-07-015701-004-084052.9 ppb
2015-07-015701-007-09004.44 ppb
2015-08-049590-004-145860.0 ppb
2015-08-049590-007-1520ND
2015-08-065701-004-154055.0 ppb
2015-08-065701-007-153014.6 ppb
2015-08-125701-004-095054.5 ppb
2015-08-125701-007-100431.5 ppb
2015-08-195701-004-084553.8 ppb
2015-08-195701-007-092043.4 ppb
2015-08-265701-004-094055.2 ppb
2015-08-265701-007-100021.0 ppb
2015-09-025701-004-090554.8 ppb
2015-09-025701-007-0935ND
2015-09-095701-004-144053.1 ppb
2015-09-095701-007-1450ND
2015-09-165701-004-093054.2 ppb
2015-09-165701-007-0955ND
2015-09-235701-004-090052.8 ppb
2015-09-235701-007-0925ND
2015-09-305701-004-091052.5 ppb
2015-09-305701-007-0930ND
2015-10-075701-004-093053.0 ppb
2015-10-075701-007-0950ND
2015-10-145701-004-085055.0 ppb
2015-10-145701-007-0910ND
2015-10-215701-004-090053.2 ppb
2015-10-215701-007-0820ND
2015-10-285701-004-095554.5 ppb
2015-10-285701-007-0855ND
2015-11-049590-004-130057.0 ppb
2015-11-049590-007-1320ND
2015-11-069590-004-120054.0 ppb
2015-11-069590-007-1146ND
2015-11-099590-004-134055.0 ppb
2015-11-099590-007-1410ND
2015-11-129590-004-145057.0 ppb
2015-11-129590-007-142521.0 ppb
2015-11-185701-004-095055.4 ppb
2015-11-185701-007-1005ND
2015-11-255810-004-090057.0 ppb
2015-11-255701-007-0915ND
2015-12-025701-004-093054.3 ppb
2015-12-025701-007-0945ND
2015-12-095701-004-093054.1 ppb
2015-12-095701-007-1015ND
2015-12-165701-004-091552.8 ppb
2015-12-165701-007-0950ND
2015-12-235701-004-084054.8 ppb
2015-12-235701-007-090534.8 ppb
2015-12-305701-004-093055.4 ppb
2015-12-305701-007-0955ND
2016-01-065701-004-090054.3 ppb
2016-01-065701-007-0925ND
2016-01-135701-004-084056.3 ppb
2016-01-135701-007-0910ND
2016-01-205701-004-090057.4 ppb
2016-01-205701-007-0925ND
2016-01-275701-004-090557.1 ppb
2016-01-275701-007-0930ND
2016-02-035701-004-095057.3 ppb
2016-02-035701-007-1015ND
2016-03-045701-004-123058.2 ppb
2016-03-045701-007-1255ND
2016-03-259590-004-100055.0 ppb
2016-03-259590-007-1025ND
2016-03-305701-004-085056.5 ppb
2016-03-305701-007-0915ND
2016-04-065701-004-084057.0 ppb
2016-04-065701-007-0905ND
2016-04-135701-004-084555.6 ppb
2016-04-135701-007-0910ND
2016-04-205701-004-093557.0 ppb
2016-04-205701-007-1000ND
2016-04-275701-004-090055.3 ppb
2016-04-275701-007-0940ND
2016-05-045701-004-104055.1 ppb
2016-05-045701-007-1105ND
2016-05-115701-004-085054.8 ppb
2016-05-115701-007-0915ND
2016-05-185701-004-094558.5 ppb
2016-05-185701-007-1010ND
2016-05-255701-004-084058.4 ppb
2016-05-255701-007-0900ND
2016-06-015701-004-090057.1 ppb
2016-06-015701-007-0925ND
2016-06-085701-004-091053.7 ppb
2016-06-085701-007-0935ND
2016-06-155701-004-103555.9 ppb
2016-06-155701-007-1045ND
2016-07-075701-004-090057.6 ppb
2016-07-075701-007-0925ND
2016-07-135701-004-090055.9 ppb
2016-07-135701-007-0925ND
2016-07-205701-004-104057.9 ppb
2016-07-205701-007-1225ND
2016-07-275701-004-091057.1 ppb
2016-07-275701-007-0935ND
2016-08-035701-004-090056.3 ppb
2016-08-035701-007-0925ND
2016-08-105701-004-103057.1 ppb
2016-08-105701-007-1055ND
2016-08-175701-004-090056.1 ppb
2016-08-175701-007-0925ND
2016-08-245701-004-103056.6 ppb
2016-08-245701-007-1100ND
2016-08-315701-004-091055.0 ppb
2016-08-315701-007-0935ND
2016-09-075701-004-090054.9 ppb
2016-09-075701-007-0925ND
2016-09-145701-004-091055.4 ppb
2016-09-145701-007-0935ND
2016-09-215701-004-095055.1 ppb
2016-09-215701-007-1015ND
2016-09-285701-004-090054.9 ppb
2016-09-285701-007-0925ND
2016-10-055701-004-092056.0 ppb
2016-10-055701-007-0945ND
2016-10-125701-004-100057.2 ppb
2016-10-125701-007-1025ND
2016-10-195701-004-090055.4 ppb
2016-10-195701-007-0925ND
2016-11-169590-004-132065.0 ppb
2016-11-169590-007-1420ND
2016-11-215701-004-101055.1 ppb
2016-11-215701-007-1035ND
2016-11-305701-004-085555.1 ppb
2016-11-305701-007-0920ND
2016-12-105701-004-120054.8 ppb
2016-12-105701-007-1225ND
2016-12-145701-004-094554.5 ppb
2016-12-145701-007-1010ND
2016-12-215701-004-094554.6 ppb
2016-12-215701-007-1010ND
2016-12-285701-004-090053.7 ppb
2016-12-285701-007-0925ND
2017-01-045701-007-1010ND
2017-01-115701-007-0925ND
2017-01-185701-007-1055ND
2017-05-199590-007-1025ND
2017-05-265701-007-1155ND
2017-05-315701-007-0925ND
2017-06-075701-007-0910ND
2017-06-145701-007-1010ND
2017-06-215701-007-0910ND
2017-06-285701-007-1155ND
2017-07-055701-007-0915ND
2017-07-125701-007-0910ND
2017-07-195701-007-1010ND
2017-07-265701-007-1050ND
2017-08-025701-007-1013ND
2017-08-095701-007-0940ND
2017-08-165701-007-0925ND
2017-08-259590-007-1300ND
2017-08-305701-007-0925ND
2017-09-065701-007-0940ND
2017-09-135810-007-1135ND
2017-09-205810-007-1120ND
2017-09-275701-007-0910ND
2017-10-045701-007-1045ND
2017-10-115701-007-0955ND
2017-10-185701-007-1055ND
2017-10-255701-007-1055ND
2017-11-015701-007-1025ND
2017-11-085701-007-0925ND
2017-11-155701-007-0945ND
2017-11-205701-007-0915ND
2017-11-295701-007-0905ND
2017-12-065701-007-1005ND
2017-12-135701-007-0935ND
2017-12-205701-007-0925ND
2017-12-275701-007-1045ND
2018-01-035701-004-090052.8 ppb
2018-01-035701-007-0925ND
2018-01-129590-004-093056.0 ppb
2018-01-129590-007-0905ND
2018-01-169590-004-094360.0 ppb
2018-01-169590-007-1020ND
2018-01-175701-004-114053.0 ppb
2018-01-175701-007-1205ND
2018-01-245701-004-084052.6 ppb
2018-01-245701-007-0905ND
2018-01-315701-004-093052.4 ppb
2018-01-315701-007-0955ND
2018-02-075701-004-125050.9 ppb
2018-02-075701-007-1315ND
2018-02-145810-004-085055.0 ppb
2018-02-145810-007-0915ND
2018-02-215810-004-124564.0 ppb
2018-02-215810-007-1310ND
2018-02-275810-004-085056.0 ppb
2018-02-275810-007-0915ND
2018-03-075810-004-092055.0 ppb
2018-03-075810-007-0945ND
2018-03-145810-004-091557.0 ppb
2018-03-145810-007-0940ND
2018-03-215810-004-091553.0 ppb
2018-03-215810-007-0940ND
2018-03-285810-004-093058.0 ppb
2018-03-285810-007-0955ND
2018-04-055810-007-1025ND
2018-04-069590-004-101553.0 ppb
2018-04-069590-007-1030ND
2018-04-115810-004-081553.0 ppb
2018-04-115810-007-0830ND
2018-04-185810-004-093052.0 ppb
2018-04-185810-007-0950ND
2018-04-269590-004-101056.0 ppb
2018-04-269590-007-1045ND
2018-05-105701-004-130053.4 ppb
2018-05-105701-007-1315ND
2018-05-165701-004-104050.5 ppb
2018-05-165701-007-1100ND
2018-05-235701-004-085049.2 ppb
2018-05-235701-007-0920ND
2018-05-305701-004-101048.8 ppb
2018-05-305701-007-1030ND
2018-06-065701-004-085050.7 ppb
2018-06-065701-007-0920ND
2018-06-135701-004-090051.0 ppb
2018-06-135701-007-0915ND
2018-06-205701-004-083052.0 ppb
2018-06-205701-007-0900ND
2018-06-275701-004-085551.7 ppb
2018-06-275701-007-0930ND
2018-07-025701-004-090548.9 ppb
2018-07-025701-007-0930ND
2018-07-115701-004-113049.5 ppb
2018-07-115701-007-1150ND
2018-07-199590-004-101055.0 ppb
2018-07-199590-007-1040ND
2018-07-265701-004-090050.2 ppb
2018-07-265701-007-0925ND
2018-08-085701-004-094047.5 ppb
2018-08-085701-007-1000ND
2018-08-155701-004-100050.1 ppb
2018-08-155701-007-1025ND
2018-08-225701-004-104547.9 ppb
2018-08-225701-007-1100ND
2018-08-295701-004-105049.0 ppb
2018-08-295701-007-1100ND
2018-09-055701-004-085047.6 ppb
2018-09-055701-007-0910ND
2018-09-125701-004-104047.4 ppb
2018-09-125701-007-1105ND
2018-09-195701-004-090049.8 ppb
2018-09-195701-007-0930ND
2018-09-265701-004-090048.7 ppb
2018-09-265701-007-0920ND
2018-10-035701-004-100047.8 ppb
2018-10-035701-007-1035ND
2018-10-105701-004-104549.7 ppb
2018-10-105701-007-1115ND
2018-10-175701-004-105546.8 ppb
2018-10-175701-007-1145ND
2018-10-245701-004-093048.3 ppb
2018-10-245701-007-1000ND
2018-11-072018110709960.910 ppb
2018-11-089590-004-110057.0 ppb
2018-11-089590-007-1200ND
2018-11-145701-004-150047.1 ppb
2018-11-145701-007-1535ND
2018-11-195701-004-110051.1 ppb
2018-11-195701-007-1130ND
2018-11-285701-004-103550.1 ppb
2018-11-285701-007-1120ND
2018-12-055810-004-095050.0 ppb
2018-12-055810-007-1010ND
2018-12-125810-004-103550.0 ppb
2018-12-125810-007-1105ND
2018-12-195810-004-103049.0 ppb
2018-12-195810-007-1055ND
2018-12-265810-004-094553.0 ppb
2018-12-265810-007-1025ND
2019-01-025810-004-094551.0 ppb
2019-01-025810-007-1025ND
2019-01-095810-004-110051.0 ppb
2019-01-095810-007-1145ND
2019-01-165810-004-100553.0 ppb
2019-01-165810-007-1025ND
2019-01-235810-004-105550.0 ppb
2019-01-235810-007-1130ND
2019-01-305810-004-091551.0 ppb
2019-01-305810-007-1025ND
2019-02-065810-004-091551.0 ppb
2019-02-065810-007-0940ND
2019-02-209590-004-104056.0 ppb
2019-02-209590-007-1100ND
2019-02-275810-004-092050.0 ppb
2019-02-275810-007-0945ND
2019-03-065810-004-091553.0 ppb
2019-03-065810-007-0940ND
2019-03-135810-004-103551.0 ppb
2019-03-135810-007-1105ND
2019-03-205810-004-111052.0 ppb
2019-03-205810-007-1145ND
2019-03-275810-004-133048.0 ppb
2019-03-275810-007-1350ND
2019-04-035810-004-102047.0 ppb
2019-04-035810-007-1000ND
2019-04-105810-004-110053.0 ppb
2019-04-105810-007-1130ND
2019-04-175810-004-112053.0 ppb
2019-04-175810-007-1150ND
2019-04-245810-004-101553.0 ppb
2019-04-245810-007-1040ND
2019-05-015810-004-102054.0 ppb
2019-05-015810-007-1055ND
2019-05-085810-004-105557.0 ppb
2019-05-085810-007-1030ND
2019-05-155810-004-093056.0 ppb
2019-05-155810-007-0910ND
2019-05-225810-004-111654.0 ppb
2019-05-225810-007-1125ND
2019-05-295810-004-095057.0 ppb
2019-05-295810-007-1025ND
2019-06-055810-004-105057.0 ppb
2019-06-055810-007-1115ND
2019-06-209590-004-111058.0 ppb
2019-06-209590-007-1143ND
2019-06-285810-004-103056.0 ppb
2019-06-285810-007-1050ND
2019-07-015701-004-111554.6 ppb
2019-07-015701-007-1145ND
2019-07-025810-004-095058.0 ppb
2019-07-025810-007-1000ND
2019-07-105810-004-110556.0 ppb
2019-07-105810-007-1135ND
2019-07-175810-004-131554.0 ppb
2019-07-175810-007-1400ND
2019-07-245810-004-091556.0 ppb
2019-07-245810-007-1000ND
2019-07-315810-004-093055.0 ppb
2019-07-315810-007-1005ND
2019-08-075810-004-114056.0 ppb
2019-08-075810-007-1210ND
2019-08-145810-004-092555.0 ppb
2019-08-145810-007-1000ND
2019-08-215810-004-105054.0 ppb
2019-08-215810-007-1115ND
2019-08-285810-004-103056.0 ppb
2019-08-285810-007-1055ND
2019-09-045810-004-085554.0 ppb
2019-09-045810-007-0920ND
2019-09-119590-004-110057.0 ppb
2019-09-119590-007-1140ND
2019-09-249590-004-095557.0 ppb
2019-09-249590-007-1040ND
2019-09-255810-004-105555.0 ppb
2019-09-255810-007-1120ND
2019-10-025810-004-101055.0 ppb
2019-10-025810-007-1040ND
2019-10-095810-004-111057.0 ppb
2019-10-095810-007-1145ND
2019-10-165810-004-111055.0 ppb
2019-10-165810-007-1140ND
2019-10-235810-004-111558.0 ppb
2019-10-235810-007-1155ND
2019-10-305810-004-094055.0 ppb
2019-10-305810-007-1025ND
2019-11-065810-004-111054.0 ppb
2019-11-065810-007-1140ND
2019-11-135810-004-114055.0 ppb
2019-11-135810-007-1205ND
2019-11-205810-004-091054.0 ppb
2019-11-205810-007-0930ND
2019-11-255810-004-104057.0 ppb
2019-11-255810-007-1110ND
2019-12-045810-004-084557.0 ppb
2019-12-045810-007-0925ND
2019-12-129590-004-100557.0 ppb
2019-12-129590-007-1030ND
2019-12-195810-004-111054.0 ppb
2019-12-195810-007-1140ND
2019-12-265810-004-090056.0 ppb
2019-12-265810-007-0925ND