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EWG's Tap Water Database — 2021 UPDATE

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Manganese

White Fence Farms Mutual Water Company No. 3

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

 

260

Samples

0

Samples exceeding legal limit (MCL)

5

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20148.74 ppb3911ND - 41.0 ppb
201524.4 ppb3816ND - 230.0 ppb
201612.2 ppb4715ND - 110.0 ppb
20174.55 ppb497ND - 42.0 ppb
20188.51 ppb5114ND - 49.0 ppb
201931.1 ppb3620ND - 270.0 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
2014-02-113761-002-124338.0 ppb
2014-02-113761-003-123029.0 ppb
2014-03-103761-002-071441.0 ppb
2014-03-103761-003-070525.0 ppb
2014-03-103761-004-0720ND
2014-03-183761-003-0000ND
2014-03-253761-003-1151ND
2014-04-013761-003-1240ND
2014-04-083761-002-1242ND
2014-04-083761-003-1303ND
2014-04-153761-003-121534.0 ppb
2014-04-223761-003-1209ND
2014-04-293761-003-1156ND
2014-05-063761-003-123340.0 ppb
2014-05-133761-003-121921.0 ppb
2014-05-203761-003-115838.0 ppb
2014-05-273761-003-1208ND
2014-06-033761-003-131229.0 ppb
2014-06-103761-003-1300ND
2014-06-173761-003-1230ND
2014-06-243761-003-1201ND
2014-07-013761-003-1137ND
2014-08-123761-003-1221ND
2014-08-193761-003-1203ND
2014-08-263761-003-1130ND
2014-09-023761-003-121525.0 ppb
2014-09-093761-003-134121.0 ppb
2014-09-163761-003-1203ND
2014-09-233761-003-1202ND
2014-09-303761-003-1143ND
2014-10-073761-003-1240ND
2014-10-143761-003-1239ND
2014-11-183761-003-1214ND
2014-11-253761-003-1400ND
2014-12-023761-003-1100ND
2014-12-093761-003-1257ND
2014-12-163761-003-1245ND
2014-12-233761-003-1150ND
2014-12-303761-003-1146ND
2015-01-063761-003-1235ND
2015-01-133761-003-1126ND
2015-01-273761-002-1125ND
2015-01-273761-003-1210ND
2015-02-033761-003-1242ND
2015-02-103761-003-1257ND
2015-02-173761-003-1158ND
2015-02-243761-003-1208ND
2015-03-033761-003-1240ND
2015-03-103761-003-1240ND
2015-03-173761-003-1149ND
2015-03-243761-003-1144ND
2015-03-313761-003-1138ND
2015-04-073761-003-1239ND
2015-04-143761-003-1244ND
2015-04-213761-003-1202ND
2015-04-283761-003-122925.0 ppb
2015-05-123761-003-123934.0 ppb
2015-07-213761-003-1157230.0 ppb
2015-07-283761-003-1159120.0 ppb
2015-09-013761-003-124075.0 ppb
2015-09-083761-003-124134.0 ppb
2015-09-153761-003-115890.0 ppb
2015-09-293761-003-123536.0 ppb
2015-10-063761-003-124941.0 ppb
2015-10-133761-003-123538.0 ppb
2015-10-203761-003-121134.0 ppb
2015-10-273761-003-122735.0 ppb
2015-11-033761-003-1254ND
2015-11-103761-003-1237ND
2015-11-173761-003-115726.0 ppb
2015-11-243761-003-123058.0 ppb
2015-12-013761-002-1300ND
2015-12-013761-003-124026.0 ppb
2015-12-083761-003-1227ND
2015-12-153761-003-114026.0 ppb
2015-12-223761-003-1241ND
2015-12-293761-003-1232ND
2016-01-053761-003-1229ND
2016-01-123761-003-123224.0 ppb
2016-01-193761-003-1227ND
2016-01-263761-003-1240ND
2016-02-023761-003-1255ND
2016-02-093761-003-1240ND
2016-02-163761-003-124526.0 ppb
2016-02-233761-003-1230ND
2016-03-013761-003-1140ND
2016-03-083761-003-133240.0 ppb
2016-03-153761-002-1250ND
2016-03-153761-003-1229ND
2016-03-223761-003-1132ND
2016-03-293761-003-120629.0 ppb
2016-04-053761-003-1243ND
2016-04-263761-003-123028.0 ppb
2016-05-033761-003-1250ND
2016-05-103761-003-124724.0 ppb
2016-05-173761-003-1233ND
2016-05-243761-003-123529.0 ppb
2016-05-313761-003-1130ND
2016-06-073761-002-1314ND
2016-06-073761-003-1254ND
2016-06-143761-002-1350ND
2016-06-143761-003-1319ND
2016-06-213761-003-1200ND
2016-06-283761-003-1337ND
2016-07-053761-003-1257ND
2016-07-123761-003-1230ND
2016-09-063761-003-125871.0 ppb
2016-09-133761-002-1327ND
2016-09-133761-003-125335.0 ppb
2016-09-203761-003-1252ND
2016-09-273761-003-1156ND
2016-10-043761-003-1252ND
2016-10-113761-003-1300ND
2016-10-183761-003-121220.0 ppb
2016-10-253761-003-1210110.0 ppb
2016-11-013761-003-124128.0 ppb
2016-11-083761-003-1242ND
2016-11-223761-003-1157ND
2016-11-293761-003-1219ND
2016-12-063761-003-125656.0 ppb
2016-12-133761-002-132121.0 ppb
2016-12-133761-003-124033.0 ppb
2016-12-203761-003-1226ND
2016-12-273761-003-1225ND
2017-01-033761-003-1246ND
2017-01-173761-003-122529.0 ppb
2017-01-243761-003-1200ND
2017-01-313761-003-1205ND
2017-02-073761-003-1258ND
2017-02-143761-003-1235ND
2017-02-213761-003-1207ND
2017-02-283761-003-1210ND
2017-03-073761-003-1250ND
2017-03-143761-003-1245ND
2017-03-213761-003-1215ND
2017-03-283761-003-124042.0 ppb
2017-04-043761-003-124725.0 ppb
2017-04-113761-003-1307ND
2017-04-183761-003-1215ND
2017-04-253761-003-1227ND
2017-05-023761-003-1250ND
2017-05-093761-003-1253ND
2017-05-163761-003-125842.0 ppb
2017-05-233761-003-1130ND
2017-05-303761-003-1246ND
2017-06-063761-003-1253ND
2017-06-133761-003-1330ND
2017-06-203761-003-1118ND
2017-06-273761-003-1200ND
2017-07-053761-003-1255ND
2017-07-183761-003-1427ND
2017-07-253761-003-1121ND
2017-08-013761-003-1122ND
2017-08-083761-003-111530.0 ppb
2017-08-153761-003-1126ND
2017-08-223761-003-114028.0 ppb
2017-08-293761-003-1144ND
2017-09-053761-003-1121ND
2017-09-123761-003-1230ND
2017-09-193761-003-1229ND
2017-09-263761-003-1250ND
2017-10-033761-003-110427.0 ppb
2017-10-103761-003-1246ND
2017-10-173761-003-1206ND
2017-10-243761-003-1149ND
2017-10-313761-003-1158ND
2017-11-073761-003-1228ND
2017-11-143761-003-1214ND
2017-11-283761-003-1150ND
2017-12-053761-003-1124ND
2017-12-123761-003-1050ND
2017-12-193761-003-1150ND
2017-12-263761-003-1154ND
2018-01-023761-003-122023.0 ppb
2018-01-093761-003-1206ND
2018-01-163761-003-1147ND
2018-01-233761-003-1128ND
2018-01-303761-003-1110ND
2018-02-063761-003-1122ND
2018-02-133761-003-1127ND
2018-02-203761-003-1124ND
2018-02-273761-003-1139ND
2018-03-063761-003-1221ND
2018-03-133761-003-1154ND
2018-03-203761-003-1230ND
2018-03-273761-003-1207ND
2018-04-033761-003-111136.0 ppb
2018-04-103761-003-112249.0 ppb
2018-04-173761-003-1138ND
2018-04-243761-003-1130ND
2018-05-013761-003-1119ND
2018-05-083761-003-1110ND
2018-05-153761-003-1158ND
2018-05-223761-003-1109ND
2018-05-293761-003-115235.0 ppb
2018-06-053761-003-112036.0 ppb
2018-06-123761-003-1145ND
2018-06-193761-003-112331.0 ppb
2018-06-263761-003-1200ND
2018-07-033761-003-110029.0 ppb
2018-07-103761-003-1136ND
2018-07-173761-003-1154ND
2018-07-243761-003-1105ND
2018-07-313761-003-1059ND
2018-08-073761-003-1123ND
2018-08-143761-003-112420.0 ppb
2018-08-213761-003-113021.0 ppb
2018-08-283761-003-1210ND
2018-09-043761-003-120235.0 ppb
2018-09-113761-003-1223ND
2018-09-183761-003-1208ND
2018-09-253761-003-115429.0 ppb
2018-10-023761-003-112527.0 ppb
2018-10-093761-003-1132ND
2018-10-163761-003-1152ND
2018-10-233761-003-112240.0 ppb
2018-10-303761-003-1115ND
2018-11-133761-003-1142ND
2018-11-203761-003-1159ND
2018-11-273761-003-1158ND
2018-12-043761-003-1125ND
2018-12-113761-003-1118ND
2018-12-183761-003-1211ND
2018-12-263761-003-110423.0 ppb
2019-01-023761-003-1142ND
2019-01-083761-003-1134ND
2019-01-153761-003-1140ND
2019-01-223761-003-1140ND
2019-01-293761-003-113656.0 ppb
2019-02-053761-003-1213ND
2019-02-123761-003-1145ND
2019-02-193761-003-1143ND
2019-02-263761-003-1126ND
2019-03-053761-003-1120ND
2019-03-123761-003-1159ND
2019-03-193761-003-110822.0 ppb
2019-03-263761-003-1132ND
2019-06-253761-003-1153270.0 ppb
2019-07-163761-003-1151200.0 ppb
2019-07-233761-003-113378.0 ppb
2019-07-303761-003-113197.0 ppb
2019-08-063761-003-120634.0 ppb
2019-08-133761-003-114125.0 ppb
2019-08-273761-003-114231.0 ppb
2019-09-033761-003-105428.0 ppb
2019-09-103761-003-1224ND
2019-09-173761-003-1148ND
2019-10-013761-003-115723.0 ppb
2019-10-083761-003-114922.0 ppb
2019-10-153761-003-120337.0 ppb
2019-10-223761-003-111830.0 ppb
2019-10-293761-003-114120.0 ppb
2019-11-053761-003-1152ND
2019-11-123761-003-1138ND
2019-11-193761-003-110638.0 ppb
2019-11-263761-003-1153ND
2019-12-033761-003-121422.0 ppb
2019-12-103761-003-120921.0 ppb
2019-12-173761-003-114822.0 ppb
2019-12-243761-003-113842.0 ppb