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EWG's Tap Water Database — 2021 UPDATE

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Manganese

Irvine Ranch Water District

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.

 

504

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
20141.32 ppb652ND - 65.4 ppb
20150.911 ppb571ND - 51.9 ppb
20161.86 ppb612ND - 60.2 ppb
20170.443 ppb831ND - 36.8 ppb
20180.934 ppb1129ND - 52.1 ppb
20190.575 ppb1197ND - 35.0 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
2014-01-114317-060-0825ND
2014-01-134317-060-1230ND
2014-01-144417-066-0930ND
2014-01-144417-067-1010ND
2014-01-204317-060-1411ND
2014-01-274317-060-1335ND
2014-01-274317-060-1340ND
2014-02-034317-060-1323ND
2014-02-104317-060-1230ND
2014-02-114417-007-1215ND
2014-02-184317-060-1237ND
2014-02-244317-060-1304ND
2014-03-044317-060-1335ND
2014-03-114417-020-0930ND
2014-03-114317-060-0823ND
2014-03-184417-014-0845ND
2014-03-194317-060-1339ND
2014-03-244317-060-0818ND
2014-03-254417-004-0845ND
2014-03-314317-060-1252ND
2014-04-094317-060-1205ND
2014-04-144317-060-1014ND
2014-04-214317-060-1445ND
2014-04-304317-060-1329ND
2014-05-054317-060-1218ND
2014-05-124317-060-1359ND
2014-05-154417-020-0910ND
2014-05-154417-020-0925ND
2014-05-194317-060-1357ND
2014-05-274317-060-1410ND
2014-06-024317-060-1155ND
2014-06-094317-060-1252ND
2014-06-164317-060-1459ND
2014-06-234317-060-1303ND
2014-06-304317-060-1403ND
2014-07-084317-060-1340ND
2014-07-144317-060-1348ND
2014-07-174317-075-1332ND
2014-07-214317-060-1323ND
2014-07-294317-060-1130ND
2014-08-064317-060-0955ND
2014-08-114317-060-1500ND
2014-08-124317-060-1430ND
2014-08-184317-060-1251ND
2014-08-254317-060-1410ND
2014-08-274317-063-081765.4 ppb
2014-09-024317-060-1423ND
2014-09-084317-060-1430ND
2014-09-154317-060-1411ND
2014-09-234317-060-0805ND
2014-09-304317-060-0950ND
2014-10-064317-060-1314ND
2014-10-154317-060-1400ND
2014-10-204317-060-1250ND
2014-10-234317-069-130520.3 ppb
2014-10-274317-060-1352ND
2014-11-044317-060-1405ND
2014-11-104317-060-1150ND
2014-11-174317-060-1212ND
2014-11-244317-060-1340ND
2014-12-034317-060-1006ND
2014-12-094317-060-1025ND
2014-12-154317-060-1052ND
2014-12-234317-060-1251ND
2014-12-304317-060-1406ND
2015-01-054317-060-1400ND
2015-01-124317-060-1409ND
2015-01-194317-060-1403ND
2015-01-264317-060-1326ND
2015-01-274417-003-1015ND
2015-01-274417-016-0930ND
2015-02-034317-060-1208ND
2015-02-094417-004-0940ND
2015-02-104317-060-1003ND
2015-02-174317-060-1219ND
2015-02-234417-019-0905ND
2015-02-234317-060-1240ND
2015-03-024317-060-1232ND
2015-03-094317-060-1134ND
2015-03-164317-060-1320ND
2015-03-184417-005-0950ND
2015-03-234317-060-1304ND
2015-03-254417-009-1010ND
2015-03-304317-060-1358ND
2015-04-064317-060-1433ND
2015-04-074417-017-1000ND
2015-04-134317-060-1430ND
2015-04-204317-060-1500ND
2015-04-234317-063-083551.9 ppb
2015-04-274317-060-1444ND
2015-04-294417-011-0800ND
2015-05-204417-077-0750ND
2015-07-064317-060-1424ND
2015-07-134417-077-1100ND
2015-07-154317-060-1422ND
2015-07-204317-060-1419ND
2015-07-304317-060-1022ND
2015-08-064317-060-0855ND
2015-08-104317-060-1240ND
2015-08-174317-060-1248ND
2015-08-194317-075-0948ND
2015-08-204417-010-0840ND
2015-08-244317-060-1237ND
2015-08-314317-060-1235ND
2015-09-094317-060-1335ND
2015-09-144317-060-1338ND
2015-09-214317-060-1408ND
2015-09-284317-060-1330ND
2015-10-054317-060-1137ND
2015-10-054417-077-0930ND
2015-10-124317-060-1146ND
2015-10-204317-060-0850ND
2015-10-274317-060-0740ND
2015-11-044317-060-1151ND
2015-11-094317-060-1340ND
2015-11-164317-060-1210ND
2015-11-234317-060-1225ND
2015-11-304317-060-1240ND
2015-12-074317-060-1255ND
2015-12-144317-060-1035ND
2015-12-214317-060-0824ND
2015-12-284317-060-1220ND
2016-01-044317-060-1359ND
2016-01-114317-060-1300ND
2016-01-124417-077-1030ND
2016-01-194317-060-1057ND
2016-01-254317-060-1407ND
2016-02-014317-060-1320ND
2016-02-084317-060-1210ND
2016-02-164317-060-1238ND
2016-02-224317-060-1315ND
2016-02-294317-060-1238ND
2016-03-074317-060-1257ND
2016-03-144317-060-1223ND
2016-03-214317-060-1346ND
2016-03-284317-060-1400ND
2016-04-044317-060-1051ND
2016-04-064417-006-0920ND
2016-04-114317-060-1223ND
2016-04-184317-060-0909ND
2016-04-254317-060-1052ND
2016-05-024317-060-1012ND
2016-05-094317-060-0850ND
2016-05-164317-060-0955ND
2016-05-234317-060-0938ND
2016-05-314417-023-0905ND
2016-05-314417-024-0835ND
2016-05-314317-060-1430ND
2016-06-074317-060-1036ND
2016-06-144317-060-1350ND
2016-06-154317-063-094560.2 ppb
2016-06-204317-060-1232ND
2016-06-234417-008-0835ND
2016-06-274317-060-1330ND
2016-07-054317-060-1108ND
2016-07-114317-060-0849ND
2016-07-184317-060-1200ND
2016-07-254317-060-0841ND
2016-07-264417-010-0900ND
2016-08-024317-060-0958ND
2016-08-084317-060-1213ND
2016-08-164317-060-0836ND
2016-08-224317-060-1222ND
2016-08-314317-060-1140ND
2016-09-064317-060-1222ND
2016-09-124317-060-1248ND
2016-09-194317-060-1242ND
2016-09-224317-075-1129ND
2016-09-264317-060-1240ND
2016-10-044317-060-0923ND
2016-10-104317-060-1355ND
2016-10-124317-063-101253.2 ppb
2016-10-174317-060-1327ND
2016-10-244317-060-1320ND
2016-11-014317-060-1345ND
2016-11-074317-060-1005ND
2016-11-164317-060-1342ND
2016-11-214317-060-1350ND
2016-11-294317-060-0808ND
2016-12-064317-060-1019ND
2016-12-124317-060-0856ND
2016-12-204317-060-1348ND
2016-12-274317-060-0830ND
2017-01-034317-060-1032ND
2017-01-124317-060-1241ND
2017-01-164317-060-0958ND
2017-01-174417-011-0835ND
2017-01-174417-016-0805ND
2017-01-194417-067-0830ND
2017-01-234417-005-1055ND
2017-01-234417-014-1015ND
2017-01-254317-060-1348ND
2017-01-304317-060-0948ND
2017-02-064317-060-1237ND
2017-02-134317-060-1210ND
2017-02-144417-004-0820ND
2017-02-144417-020-1340ND
2017-02-144417-066-0925ND
2017-02-214317-060-1220ND
2017-02-284317-085-1334ND
2017-03-014417-020-0755ND
2017-03-064317-060-1400ND
2017-03-134317-060-1400ND
2017-03-144417-007-1010ND
2017-03-204317-060-0855ND
2017-03-214317-063-1418ND
2017-03-214317-064-1437ND
2017-03-274317-060-1408ND
2017-03-294317-069-103236.8 ppb
2017-04-054317-060-0945ND
2017-04-054317-064-1115ND
2017-04-104317-060-1328ND
2017-04-184317-060-1158ND
2017-04-244317-060-1235ND
2017-04-264317-085-1040ND
2017-05-064317-060-1335ND
2017-05-094317-060-1015ND
2017-05-154317-060-0922ND
2017-05-234317-060-1310ND
2017-05-304317-060-1320ND
2017-06-074317-060-0837ND
2017-06-124317-060-0823ND
2017-06-204317-060-0804ND
2017-06-274317-060-1000ND
2017-07-034317-060-1330ND
2017-07-104317-060-1313ND
2017-07-174317-060-1245ND
2017-07-244317-060-1310ND
2017-08-014317-060-1046ND
2017-08-074317-060-0935ND
2017-08-154317-060-0926ND
2017-08-214317-060-1340ND
2017-08-234317-075-0911ND
2017-08-294317-060-1012ND
2017-09-054317-060-1300ND
2017-09-134317-060-1243ND
2017-09-184317-060-1320ND
2017-09-254317-060-1300ND
2017-10-024317-060-1429ND
2017-10-044317-052-0745ND
2017-10-094317-060-1415ND
2017-10-104317-052-0830ND
2017-10-174317-052-0922ND
2017-10-174317-060-1142ND
2017-10-244317-052-0955ND
2017-10-244317-060-1250ND
2017-10-304317-060-1400ND
2017-11-014317-052-1028ND
2017-11-074317-052-1132ND
2017-11-084317-060-1257ND
2017-11-134317-060-0910ND
2017-11-144417-015-0925ND
2017-11-144317-052-0837ND
2017-11-204317-060-0945ND
2017-11-214317-052-1101ND
2017-11-274317-060-1152ND
2017-11-294317-052-1305ND
2017-12-044417-009-0820ND
2017-12-044317-060-1343ND
2017-12-064317-052-1300ND
2017-12-114317-060-0823ND
2017-12-124317-052-1225ND
2017-12-184317-060-0816ND
2017-12-194317-052-0927ND
2017-12-264317-060-0942ND
2017-12-284317-052-1125ND
2018-01-024317-060-1300ND
2018-01-034317-052-1020ND
2018-01-094317-052-1050ND
2018-01-094317-060-1255ND
2018-01-154317-060-1235ND
2018-01-164317-052-1010ND
2018-01-224317-060-1220ND
2018-01-244317-052-1205ND
2018-01-304317-060-1225ND
2018-02-014317-052-1415ND
2018-02-064417-006-0800ND
2018-02-064417-017-0720ND
2018-02-064317-052-1408ND
2018-02-084417-019-0840ND
2018-02-144317-052-0835ND
2018-02-144317-085-1413ND
2018-02-204417-003-1220ND
2018-02-214317-052-0822ND
2018-02-274317-052-0825ND
2018-02-274317-069-111020.8 ppb
2018-03-054317-060-1433ND
2018-03-064317-052-1045ND
2018-03-084317-075-1136ND
2018-03-124317-060-1331ND
2018-03-134317-052-0951ND
2018-03-194317-060-1312ND
2018-03-204317-052-0913ND
2018-03-204317-063-082052.1 ppb
2018-03-264317-060-1306ND
2018-03-274317-052-1022ND
2018-04-034317-052-1100ND
2018-04-034317-060-1000ND
2018-04-094317-060-0930ND
2018-04-114317-052-1055ND
2018-04-174317-052-1233ND
2018-04-174317-085-1141ND
2018-04-194317-060-0950ND
2018-04-254317-052-1349ND
2018-04-254317-060-1300ND
2018-04-304317-060-0911ND
2018-05-014317-052-1036ND
2018-05-084317-052-1220ND
2018-05-094317-060-1147ND
2018-05-164317-052-1110ND
2018-05-164317-060-0910ND
2018-05-234317-052-1052ND
2018-05-244317-060-0943ND
2018-05-314317-052-1118ND
2018-05-314317-060-1051ND
2018-06-054317-060-0945ND
2018-06-074317-052-0858ND
2018-06-114317-060-1254ND
2018-06-134317-052-1023ND
2018-06-184317-060-1035ND
2018-06-194317-052-1020ND
2018-06-254317-060-0847ND
2018-06-264317-052-1002ND
2018-07-024317-060-1302ND
2018-07-034317-052-0852ND
2018-07-104317-052-0902ND
2018-07-174317-052-0835ND
2018-07-244317-052-0929ND
2018-08-014317-052-0915ND
2018-08-014317-060-0935ND
2018-08-084317-060-1015ND
2018-08-094317-052-1233ND
2018-08-134317-060-0936ND
2018-08-164317-052-0905ND
2018-08-204317-060-0940ND
2018-08-224317-052-0848ND
2018-08-274317-060-0807ND
2018-08-294317-052-1058ND
2018-09-054317-060-1328ND
2018-09-064317-052-1140ND
2018-09-104317-060-1320ND
2018-09-124317-052-0922ND
2018-09-174317-060-1342ND
2018-09-184317-052-0937ND
2018-09-254317-060-1126ND
2018-09-2618090507-021.50 ppb
2018-09-2618090504-02-00920.829 ppb
2018-09-2618090503-02-00921.33 ppb
2018-09-274317-052-1117ND
2018-10-024317-052-1138ND
2018-10-024317-060-1030ND
2018-10-084317-060-1133ND
2018-10-094317-052-1200ND
2018-10-164317-052-112722.5 ppb
2018-10-194317-060-0902ND
2018-10-234317-052-0940ND
2018-10-234317-060-1000ND
2018-10-304317-052-1204ND
2018-10-314317-060-0945ND
2018-11-054317-060-0847ND
2018-11-064317-052-1120ND
2018-11-124317-060-0900ND
2018-11-134317-052-1203ND
2018-11-194317-060-1010ND
2018-11-204317-052-1009ND
2018-11-264317-060-1015ND
2018-11-274317-052-1131ND
2018-12-034317-060-0957ND
2018-12-044317-052-1119ND
2018-12-104317-060-0810ND
2018-12-114317-052-1000ND
2018-12-1218120275-021.43 ppb
2018-12-1218120272-02-00921.97 ppb
2018-12-1218120271-02-00922.10 ppb
2018-12-184317-052-1115ND
2018-12-184317-060-0832ND
2018-12-264317-060-0711ND
2018-12-274317-052-0930ND
2019-01-024317-060-1200ND
2019-01-034317-052-1349ND
2019-01-074317-060-1225ND
2019-01-084317-052-1236ND
2019-01-144317-060-1258ND
2019-01-164317-052-1306ND
2019-01-214317-060-1205ND
2019-01-224317-052-1211ND
2019-01-299588-060-1105ND
2019-02-049588-060-1037ND
2019-02-054317-052-1207ND
2019-02-124317-052-1215ND
2019-02-204317-052-1227ND
2019-02-214417-077-0940ND
2019-02-264317-052-1138ND
2019-02-274317-085-0941ND
2019-03-044317-060-1236ND
2019-03-064317-052-1129ND
2019-03-124317-052-1004ND
2019-03-124317-060-1353ND
2019-03-1319030308-020.843 ppb
2019-03-1319030307-02ND
2019-03-1319030309-020.843 ppb
2019-03-144317-063-0935ND
2019-03-144317-064-0943ND
2019-03-184317-060-1232ND
2019-03-194317-052-1146ND
2019-03-204317-075-1300ND
2019-03-254317-060-1247ND
2019-03-274317-052-1254ND
2019-04-024317-052-1200ND
2019-04-024317-060-1232ND
2019-04-024317-064-1109ND
2019-04-084317-060-1109ND
2019-04-094317-052-1049ND
2019-04-154417-017-1120ND
2019-04-154417-023-1310ND
2019-04-154417-024-1230ND
2019-04-164417-008-0805ND
2019-04-164317-052-1030ND
2019-04-164317-060-1035ND
2019-04-234317-052-1003ND
2019-04-234317-060-1030ND
2019-04-294317-060-1325ND
2019-05-014317-052-1313ND
2019-05-074317-060-1010ND
2019-05-084317-052-1048ND
2019-05-134317-060-0909ND
2019-05-154317-052-1303ND
2019-05-204317-060-1100ND
2019-05-224317-052-1240ND
2019-05-234417-077-0945ND
2019-05-234417-077-0950ND
2019-05-284317-060-0908ND
2019-05-294317-052-1009ND
2019-06-044317-052-1217ND
2019-06-044317-060-0845ND
2019-06-104317-060-1257ND
2019-06-114317-052-1349ND
2019-06-174317-060-1235ND
2019-06-184317-052-1409ND
2019-06-254317-052-1357ND
2019-06-254317-060-1401ND
2019-06-274417-010-0745ND
2019-07-024317-060-1025ND
2019-07-024317-064-1122ND
2019-07-034317-052-0939ND
2019-07-084317-060-0811ND
2019-07-094317-052-1323ND
2019-07-164317-052-1253ND
2019-07-164317-060-0911ND
2019-07-174317-085-141326.2 ppb
2019-07-224317-060-0905ND
2019-07-234317-052-1237ND
2019-07-304317-052-1232ND
2019-07-314317-060-1400ND
2019-08-064317-052-1212ND
2019-08-064317-060-1418ND
2019-08-124317-060-1342ND
2019-08-134317-052-1313ND
2019-08-204317-052-1245ND
2019-08-204317-060-0828ND
2019-08-264317-060-1414ND
2019-08-284317-052-1355ND
2019-09-034317-060-0938ND
2019-09-044317-052-1335ND
2019-09-094317-060-0925ND
2019-09-1019090274-022.17 ppb
2019-09-1019090276-021.61 ppb
2019-09-1019090275-02ND
2019-09-114317-052-1054ND
2019-09-164317-060-0959ND
2019-09-184317-052-1220ND
2019-09-234317-060-0929ND
2019-09-254317-052-1111ND
2019-10-014317-060-0950ND
2019-10-024317-052-1332ND
2019-10-084317-060-0958ND
2019-10-144317-060-1023ND
2019-10-214317-060-1012ND
2019-10-224317-063-103735.0 ppb
2019-10-284317-060-0855ND
2019-11-044317-060-1004ND
2019-11-074317-052-1028ND
2019-11-114317-060-1056ND
2019-11-124317-052-0931ND
2019-11-189K22031-011.70 ppb
2019-11-194317-052-1315ND
2019-11-204317-060-1149ND
2019-11-264317-060-1329ND
2019-12-024317-060-1221ND
2019-12-044317-052-1035ND
2019-12-094317-060-1332ND
2019-12-134317-052-1049ND
2019-12-164317-060-1011ND
2019-12-174317-052-1321ND
2019-12-234317-052-1114ND
2019-12-234317-060-0935ND
2019-12-304317-060-0809ND
2020-02-100B12055-011.40 ppb
2020-02-110B12056-012.30 ppb
2020-02-110B12056-02ND
2020-02-120B13057-011.000 ppb
2020-05-110E15049-011.30 ppb
2020-05-130E15049-020.690 ppb
2020-05-130E15049-03ND