Manganese
City of Norco
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.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | 0.622 ppb | 37 | 1 | ND - 23.0 ppb |
2015 | ND | 39 | 0 | ND |
2016 | 5.41 ppb | 49 | 4 | ND - 140.0 ppb |
2017 | 7.27 ppb | 52 | 6 | ND - 130.0 ppb |
2018 | 2.02 ppb | 35 | 3 | ND - 49.0 ppb |
2019 | 15.7 ppb | 31 | 5 | ND - 380.0 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 |
---|---|---|
2014-01-07 | 3761-012-0843 | ND |
2014-01-07 | 3761-016-0859 | ND |
2014-01-07 | 3761-018-0951 | ND |
2014-02-04 | 3761-012-1150 | ND |
2014-02-04 | 3761-016-1130 | ND |
2014-02-04 | 3761-018-0905 | ND |
2014-03-04 | 3761-012-1145 | ND |
2014-03-04 | 3761-016-1054 | ND |
2014-03-04 | 3761-018-1138 | ND |
2014-04-01 | 3761-012-0815 | ND |
2014-04-01 | 3761-016-0735 | ND |
2014-04-01 | 3761-018-0832 | ND |
2014-05-06 | 3761-012-1338 | ND |
2014-05-06 | 3761-015-1228 | ND |
2014-05-06 | 3761-016-1148 | ND |
2014-05-06 | 3761-018-1130 | ND |
2014-06-03 | 3761-012-1315 | ND |
2014-06-03 | 3761-016-1226 | ND |
2014-06-03 | 3761-018-1259 | ND |
2014-07-01 | 3761-012-0857 | 23.0 ppb |
2014-07-01 | 3761-016-0914 | ND |
2014-07-01 | 3761-018-0852 | ND |
2014-08-05 | 3761-012-1113 | ND |
2014-08-05 | 3761-016-1142 | ND |
2014-08-05 | 3761-018-1059 | ND |
2014-09-02 | 3761-012-1000 | ND |
2014-09-02 | 3761-016-0903 | ND |
2014-09-02 | 3761-018-1015 | ND |
2014-10-07 | 3761-012-0940 | ND |
2014-10-07 | 3761-016-1015 | ND |
2014-10-07 | 3761-018-0920 | ND |
2014-11-05 | 3761-012-1026 | ND |
2014-11-05 | 3761-016-0930 | ND |
2014-11-05 | 3761-018-1030 | ND |
2014-12-02 | 3761-012-0920 | ND |
2014-12-02 | 3761-016-0930 | ND |
2014-12-02 | 3761-018-0910 | ND |
2015-01-06 | 3761-012-0842 | ND |
2015-01-06 | 3761-016-0755 | ND |
2015-01-06 | 3761-018-0850 | ND |
2015-01-13 | 3761-018-0932 | ND |
2015-01-27 | 3761-012-1028 | ND |
2015-02-03 | 3761-012-0933 | ND |
2015-02-03 | 3761-016-0950 | ND |
2015-02-03 | 3761-018-1010 | ND |
2015-03-03 | 3761-012-0911 | ND |
2015-03-03 | 3761-016-0835 | ND |
2015-03-03 | 3761-018-0907 | ND |
2015-03-10 | 3761-018-0758 | ND |
2015-04-07 | 3761-012-1002 | ND |
2015-04-07 | 3761-016-0912 | ND |
2015-04-07 | 3761-018-1012 | ND |
2015-05-05 | 3761-012-0921 | ND |
2015-05-05 | 3761-016-0935 | ND |
2015-05-05 | 3761-018-0916 | ND |
2015-06-02 | 3761-012-0851 | ND |
2015-06-02 | 3761-016-0926 | ND |
2015-06-02 | 3761-018-0812 | ND |
2015-07-07 | 3761-012-0730 | ND |
2015-07-07 | 3761-016-0810 | ND |
2015-07-07 | 3761-018-1016 | ND |
2015-08-04 | 3761-012-1118 | ND |
2015-08-04 | 3761-016-1151 | ND |
2015-08-04 | 3761-018-1113 | ND |
2015-08-12 | 3761-018-0920 | ND |
2015-09-01 | 3761-012-1131 | ND |
2015-09-01 | 3761-016-1142 | ND |
2015-09-01 | 3761-018-0903 | ND |
2015-10-06 | 3761-012-1022 | ND |
2015-10-06 | 3761-016-0948 | ND |
2015-10-06 | 3761-018-1033 | ND |
2015-11-03 | 3761-012-1025 | ND |
2015-11-03 | 3761-016-0935 | ND |
2015-11-03 | 3761-018-0955 | ND |
2015-12-01 | 3761-016-0910 | ND |
2015-12-01 | 3761-018-0940 | ND |
2016-01-04 | 3761-016-0955 | ND |
2016-01-04 | 3761-018-1020 | ND |
2016-02-02 | 3761-016-1248 | ND |
2016-02-02 | 3761-018-0908 | ND |
2016-03-01 | 3761-016-1128 | ND |
2016-03-01 | 3761-018-0818 | ND |
2016-03-15 | 3761-018-1140 | 140.0 ppb |
2016-03-22 | 3761-018-1145 | ND |
2016-03-29 | 3761-015-0921 | ND |
2016-03-29 | 3761-018-1316 | ND |
2016-03-29 | 3761-023-1255 | ND |
2016-04-05 | 3761-015-0952 | ND |
2016-04-05 | 3761-016-1242 | ND |
2016-04-05 | 3761-018-0924 | ND |
2016-05-03 | 3761-015-1214 | 33.0 ppb |
2016-05-03 | 3761-016-1151 | ND |
2016-05-03 | 3761-018-0920 | ND |
2016-05-31 | 3761-015-1112 | 60.0 ppb |
2016-05-31 | 3761-018-0849 | ND |
2016-06-08 | 3761-015-1320 | 32.0 ppb |
2016-06-08 | 3761-016-1326 | ND |
2016-06-25 | 3761-018-0931 | ND |
2016-06-25 | 3761-023-0938 | ND |
2016-06-28 | 3761-018-0933 | ND |
2016-07-06 | 3761-015-1046 | ND |
2016-07-06 | 3761-016-1030 | ND |
2016-07-06 | 3761-018-1250 | ND |
2016-07-06 | 3761-023-1236 | ND |
2016-08-02 | 3761-015-1323 | ND |
2016-08-02 | 3761-016-1309 | ND |
2016-08-02 | 3761-018-1255 | ND |
2016-08-02 | 3761-023-1303 | ND |
2016-09-06 | 3761-015-0819 | ND |
2016-09-06 | 3761-016-1140 | ND |
2016-09-06 | 3761-018-0805 | ND |
2016-09-07 | 3761-018-1115 | ND |
2016-09-07 | 3761-023-1105 | ND |
2016-10-04 | 3761-015-1200 | ND |
2016-10-04 | 3761-016-1140 | ND |
2016-10-04 | 3761-018-1230 | ND |
2016-10-04 | 3761-023-1218 | ND |
2016-11-08 | 3761-015-1159 | ND |
2016-11-08 | 3761-016-1144 | ND |
2016-11-08 | 3761-018-0754 | ND |
2016-11-15 | 3761-018-1145 | ND |
2016-11-15 | 3761-023-1135 | ND |
2016-12-06 | 3761-016-1123 | ND |
2016-12-06 | 3761-018-1154 | ND |
2016-12-06 | 3761-023-1139 | ND |
2017-01-03 | 3761-015-0935 | 27.0 ppb |
2017-01-03 | 3761-016-0945 | ND |
2017-01-03 | 3761-018-0912 | ND |
2017-02-07 | 3761-015-0816 | ND |
2017-02-07 | 3761-016-1125 | ND |
2017-02-07 | 3761-018-0752 | ND |
2017-03-06 | 3761-015-0837 | 41.0 ppb |
2017-03-06 | 3761-016-0854 | ND |
2017-03-06 | 3761-018-0830 | ND |
2017-03-21 | 3761-015-1854 | ND |
2017-03-21 | 3761-018-1838 | ND |
2017-03-21 | 3761-023-1847 | ND |
2017-04-04 | 3761-015-1148 | ND |
2017-04-04 | 3761-016-1135 | ND |
2017-04-04 | 3761-018-1225 | ND |
2017-04-04 | 3761-023-1158 | ND |
2017-05-02 | 3761-012-1402 | 130.0 ppb |
2017-05-02 | 3761-012-1420 | 110.0 ppb |
2017-05-02 | 3761-015-1252 | ND |
2017-05-02 | 3761-015-1310 | ND |
2017-05-02 | 3761-016-1226 | 26.0 ppb |
2017-05-02 | 3761-016-1240 | ND |
2017-05-02 | 3761-018-1215 | ND |
2017-05-31 | 3761-018-1315 | ND |
2017-05-31 | 3761-023-1255 | ND |
2017-06-06 | 3761-015-1320 | ND |
2017-06-06 | 3761-016-1345 | ND |
2017-06-06 | 3761-018-1250 | ND |
2017-06-20 | 3761-018-0500 | ND |
2017-06-20 | 3761-023-0430 | ND |
2017-07-05 | 3761-015-1200 | ND |
2017-07-05 | 3761-016-1145 | ND |
2017-07-05 | 3761-018-1310 | ND |
2017-07-05 | 3761-023-1220 | ND |
2017-08-01 | 3761-015-1135 | ND |
2017-08-01 | 3761-016-1155 | ND |
2017-08-01 | 3761-018-1235 | ND |
2017-08-01 | 3761-023-1210 | ND |
2017-09-05 | 3761-015-1232 | ND |
2017-09-05 | 3761-016-1209 | ND |
2017-09-05 | 3761-018-1332 | ND |
2017-09-05 | 3761-023-1248 | ND |
2017-10-03 | 3761-015-1102 | ND |
2017-10-03 | 3761-016-1027 | ND |
2017-10-03 | 3761-018-1128 | ND |
2017-10-03 | 3761-023-1044 | ND |
2017-11-06 | 3761-015-0850 | ND |
2017-11-06 | 3761-016-1005 | ND |
2017-11-06 | 3761-018-1018 | ND |
2017-12-06 | 3761-015-1150 | ND |
2017-12-06 | 3761-016-1135 | ND |
2017-12-06 | 3761-018-1215 | 44.0 ppb |
2018-01-02 | 3761-015-1037 | ND |
2018-01-02 | 3761-016-1020 | ND |
2018-01-02 | 3761-018-1127 | ND |
2018-01-30 | 3761-018-1014 | ND |
2018-01-30 | 3761-023-0940 | ND |
2018-02-06 | 3761-015-1000 | ND |
2018-02-06 | 3761-016-0929 | ND |
2018-02-06 | 3761-018-1037 | ND |
2018-02-06 | 3761-023-0941 | ND |
2018-03-06 | 3761-018-1049 | ND |
2018-04-01 | 3761-018-0655 | ND |
2018-04-01 | 3761-023-0727 | ND |
2018-05-01 | 3761-016-1005 | 17.0 ppb |
2018-05-01 | 3761-018-1043 | 4.60 ppb |
2018-05-07 | 3761-018-1343 | ND |
2018-05-07 | 3761-023-1330 | ND |
2018-06-01 | 3761-018-1419 | ND |
2018-06-01 | 3761-023-1401 | ND |
2018-06-18 | 3761-015-1425 | 49.0 ppb |
2018-07-03 | 3761-015-1152 | ND |
2018-07-03 | 3761-018-1230 | ND |
2018-07-06 | 3761-018-1026 | ND |
2018-07-06 | 3761-023-1101 | ND |
2018-07-14 | 3761-018-1503 | ND |
2018-07-14 | 3761-023-1455 | ND |
2018-08-06 | 3761-015-0808 | ND |
2018-08-06 | 3761-018-0826 | ND |
2018-08-06 | 3761-023-0847 | ND |
2018-09-04 | 3761-015-0713 | ND |
2018-09-04 | 3761-018-0837 | ND |
2018-10-01 | 3761-018-0908 | ND |
2018-11-05 | 3761-015-0743 | ND |
2018-11-05 | 3761-018-0852 | ND |
2018-12-03 | 3761-015-0903 | ND |
2018-12-03 | 3761-018-0941 | ND |
2019-01-02 | 3761-015-0746 | ND |
2019-01-02 | 3761-018-1225 | ND |
2019-02-06 | 3761-015-0841 | ND |
2019-02-06 | 3761-018-0650 | ND |
2019-03-04 | 3761-015-0944 | ND |
2019-03-04 | 3761-018-1007 | ND |
2019-04-01 | 3761-015-1108 | ND |
2019-04-01 | 3761-018-1054 | ND |
2019-05-06 | 3761-015-1110 | ND |
2019-05-06 | 3761-018-0730 | ND |
2019-06-03 | 3761-015-0926 | ND |
2019-06-03 | 3761-018-0806 | ND |
2019-06-04 | 201905300160 | ND |
2019-07-01 | 3761-015-0946 | ND |
2019-07-01 | 3761-018-0720 | ND |
2019-08-05 | 3761-015-1033 | ND |
2019-08-05 | 3761-018-0729 | ND |
2019-09-03 | 3761-015-0810 | ND |
2019-09-03 | 3761-018-0835 | 49.0 ppb |
2019-09-04 | 201907220003 | 1.30 ppb |
2019-09-04 | 201907220004 | 47.0 ppb |
2019-09-04 | 201907220005 | 380.0 ppb |
2019-09-04 | 201907220006 | 10.00 ppb |
2019-09-04 | 201907220007 | ND |
2019-09-04 | 201907220008 | ND |
2019-10-07 | 3761-015-1146 | ND |
2019-10-07 | 3761-018-0830 | ND |
2019-11-05 | 3761-015-1024 | ND |
2019-11-05 | 3761-018-0718 | ND |
2019-12-09 | 3761-015-0907 | ND |
2019-12-09 | 3761-018-0858 | ND |