Manganese
Newhall Cwd-castaic
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.
349
Samples
0
Samples exceeding legal limit (MCL)
21
Samples exceeding
health guidelines
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | 17.7 ppb | 72 | 15 | ND - 130.0 ppb |
2015 | 19.8 ppb | 73 | 15 | ND - 150.0 ppb |
2016 | 26.0 ppb | 64 | 19 | ND - 140.0 ppb |
2017 | 16.3 ppb | 69 | 13 | ND - 130.0 ppb |
2018 | 18.7 ppb | 48 | 10 | ND - 100.0 ppb |
2019 | 17.3 ppb | 23 | 6 | ND - 100.0 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 |
---|---|---|
2014-01-06 | 9590-009-1100 | ND |
2014-01-13 | 9590-009-1020 | ND |
2014-01-16 | 9590-001-0910 | ND |
2014-01-16 | 9590-002-0900 | 87.0 ppb |
2014-01-16 | 9590-008-0850 | ND |
2014-01-21 | 9590-009-1026 | ND |
2014-01-27 | 9590-009-1148 | ND |
2014-02-03 | 9590-009-0948 | ND |
2014-02-10 | 9590-009-0927 | ND |
2014-02-13 | 9590-002-0918 | 81.0 ppb |
2014-02-18 | 9590-009-1033 | ND |
2014-02-24 | 9590-009-1050 | ND |
2014-03-03 | 9590-009-1056 | ND |
2014-03-10 | 9590-009-1000 | ND |
2014-03-13 | 9590-002-1000 | 88.0 ppb |
2014-03-17 | 9590-009-0840 | ND |
2014-03-24 | 9590-009-0845 | ND |
2014-03-31 | 9590-009-0920 | ND |
2014-04-07 | 9590-009-1000 | ND |
2014-04-10 | 9590-001-1435 | ND |
2014-04-10 | 9590-002-1405 | 96.0 ppb |
2014-04-10 | 9590-008-1350 | ND |
2014-04-14 | 9590-009-0930 | ND |
2014-04-21 | 9590-009-1140 | ND |
2014-04-28 | 9590-009-0830 | ND |
2014-05-05 | 9590-009-1000 | ND |
2014-05-12 | 9590-002-1100 | 110.0 ppb |
2014-05-12 | 9590-009-0910 | ND |
2014-05-19 | 9590-009-1100 | ND |
2014-05-27 | 9590-009-0840 | ND |
2014-06-02 | 9590-009-1030 | 22.0 ppb |
2014-06-09 | 9590-002-0920 | 100.0 ppb |
2014-06-09 | 9590-009-1000 | ND |
2014-06-16 | 9590-009-1120 | ND |
2014-06-23 | 9590-009-1015 | 21.0 ppb |
2014-06-30 | 9590-009-0645 | ND |
2014-07-07 | 9590-001-1000 | ND |
2014-07-07 | 9590-008-1020 | ND |
2014-07-07 | 9590-009-0940 | 22.0 ppb |
2014-07-14 | 9590-002-1025 | 100.0 ppb |
2014-07-14 | 9590-009-1045 | ND |
2014-07-21 | 9590-009-1010 | ND |
2014-07-28 | 9590-009-1000 | ND |
2014-08-04 | 9590-009-0850 | ND |
2014-08-11 | 9590-009-1030 | ND |
2014-08-18 | 9590-009-0910 | ND |
2014-08-25 | 9590-009-1430 | ND |
2014-08-26 | 9590-002-1430 | 100.0 ppb |
2014-09-02 | 9590-009-0857 | ND |
2014-09-08 | 9590-002-1106 | 100.0 ppb |
2014-09-08 | 9590-009-1025 | ND |
2014-09-15 | 9590-009-0906 | ND |
2014-09-22 | 9590-009-0910 | ND |
2014-09-29 | 9590-009-1058 | ND |
2014-10-06 | 9590-009-1030 | ND |
2014-10-13 | 9590-001-1020 | ND |
2014-10-13 | 9590-002-1106 | 97.0 ppb |
2014-10-13 | 9590-008-1114 | ND |
2014-10-13 | 9590-009-1049 | ND |
2014-10-20 | 9590-009-0908 | ND |
2014-10-27 | 9590-009-0925 | ND |
2014-11-03 | 9590-009-1315 | ND |
2014-11-10 | 9590-009-0845 | ND |
2014-11-17 | 9590-002-0935 | 120.0 ppb |
2014-11-17 | 9590-009-0855 | ND |
2014-11-24 | 9590-009-0900 | ND |
2014-12-01 | 9590-009-0905 | ND |
2014-12-08 | 9590-009-0900 | ND |
2014-12-15 | 9590-009-0900 | ND |
2014-12-18 | 9590-002-0925 | 130.0 ppb |
2014-12-22 | 9590-009-0830 | ND |
2014-12-29 | 9590-009-0839 | ND |
2015-01-05 | 9590-009-1000 | 24.0 ppb |
2015-01-12 | 9590-009-1015 | ND |
2015-01-15 | 9590-001-1140 | ND |
2015-01-15 | 9590-002-1220 | 130.0 ppb |
2015-01-15 | 9590-008-1155 | ND |
2015-01-20 | 9590-009-0935 | ND |
2015-01-26 | 9590-009-0945 | ND |
2015-02-02 | 9590-009-1130 | ND |
2015-02-09 | 9590-002-1135 | 130.0 ppb |
2015-02-09 | 9590-009-1040 | ND |
2015-02-17 | 9590-009-1010 | ND |
2015-02-23 | 9590-009-1000 | ND |
2015-03-02 | 9590-009-0840 | ND |
2015-03-09 | 9590-002-1034 | 150.0 ppb |
2015-03-09 | 9590-009-0937 | ND |
2015-03-16 | 9590-009-1230 | ND |
2015-03-26 | 9590-009-0915 | ND |
2015-04-02 | 9590-009-0925 | ND |
2015-04-09 | 9590-009-1015 | ND |
2015-04-16 | 9590-009-0916 | ND |
2015-04-23 | 9590-001-1020 | ND |
2015-04-23 | 9590-002-1030 | 110.0 ppb |
2015-04-23 | 9590-008-1035 | ND |
2015-04-23 | 9590-009-1014 | ND |
2015-04-29 | 9590-001-1100 | ND |
2015-04-29 | 9590-002-1040 | 92.0 ppb |
2015-04-29 | 9590-008-1030 | ND |
2015-04-29 | 9590-009-1120 | ND |
2015-05-07 | 9590-009-1420 | ND |
2015-05-14 | 9590-002-1105 | 94.0 ppb |
2015-05-14 | 9590-009-1055 | ND |
2015-05-21 | 9590-009-1110 | ND |
2015-05-28 | 9590-009-1040 | ND |
2015-06-04 | 9590-009-0845 | ND |
2015-06-11 | 9590-009-1105 | ND |
2015-06-18 | 9590-002-1245 | 99.0 ppb |
2015-06-18 | 9590-009-1200 | ND |
2015-06-25 | 9590-009-1540 | ND |
2015-07-09 | 9590-002-0935 | 100.0 ppb |
2015-07-09 | 9590-008-0940 | ND |
2015-07-09 | 9590-009-0955 | ND |
2015-07-16 | 9590-009-0845 | ND |
2015-07-23 | 9590-009-0842 | ND |
2015-07-30 | 9590-009-0925 | ND |
2015-08-06 | 9590-002-1005 | 100.0 ppb |
2015-08-06 | 9590-009-0836 | ND |
2015-08-13 | 9590-009-0850 | ND |
2015-08-20 | 9590-009-0925 | ND |
2015-08-27 | 9590-009-0947 | ND |
2015-09-03 | 9590-009-1000 | ND |
2015-09-10 | 9590-002-0919 | 96.0 ppb |
2015-09-10 | 9590-009-0907 | ND |
2015-09-17 | 9590-009-0945 | ND |
2015-09-24 | 9590-009-1115 | ND |
2015-10-01 | 9590-009-0828 | ND |
2015-10-08 | 9590-002-0820 | 91.0 ppb |
2015-10-08 | 9590-009-0840 | 26.0 ppb |
2015-10-15 | 9590-001-1000 | ND |
2015-10-15 | 9590-008-0920 | ND |
2015-10-15 | 9590-009-1605 | ND |
2015-10-22 | 9590-009-0820 | ND |
2015-10-29 | 9590-009-0830 | ND |
2015-11-05 | 9590-002-1100 | 100.0 ppb |
2015-11-05 | 9590-009-1050 | ND |
2015-11-12 | 9590-009-1138 | ND |
2015-11-19 | 9590-009-0840 | ND |
2015-11-23 | 9590-009-0845 | ND |
2015-12-03 | 9590-009-1015 | ND |
2015-12-10 | 9590-002-1000 | 100.0 ppb |
2015-12-10 | 9590-009-0925 | ND |
2015-12-17 | 9590-009-1030 | ND |
2015-12-23 | 9590-009-0955 | ND |
2015-12-29 | 9590-009-1100 | ND |
2016-01-07 | 9590-001-0925 | ND |
2016-01-07 | 9590-002-0945 | 97.0 ppb |
2016-01-07 | 9590-008-0951 | ND |
2016-01-07 | 9590-009-0935 | ND |
2016-01-14 | 9590-009-0920 | ND |
2016-01-21 | 9590-009-1010 | ND |
2016-01-28 | 9590-009-1055 | ND |
2016-02-04 | 9590-009-0700 | ND |
2016-02-11 | 9590-009-0920 | ND |
2016-02-18 | 9590-002-1030 | 110.0 ppb |
2016-02-18 | 9590-009-1015 | ND |
2016-02-25 | 9590-009-1020 | ND |
2016-03-10 | 9590-009-0950 | ND |
2016-03-17 | 9590-002-1045 | 110.0 ppb |
2016-03-17 | 9590-009-1130 | ND |
2016-03-24 | 9590-009-0915 | ND |
2016-03-31 | 9590-009-0840 | ND |
2016-04-07 | 9590-001-1030 | 39.0 ppb |
2016-04-07 | 9590-002-1040 | 120.0 ppb |
2016-04-07 | 9590-008-1050 | ND |
2016-04-07 | 9590-009-1015 | ND |
2016-04-14 | 9590-001-0930 | 28.0 ppb |
2016-04-14 | 9590-002-0850 | 100.0 ppb |
2016-04-14 | 9590-008-0900 | ND |
2016-04-14 | 9590-009-0948 | ND |
2016-04-21 | 9590-009-0921 | ND |
2016-04-28 | 9590-009-1035 | ND |
2016-05-05 | 9590-002-1037 | 120.0 ppb |
2016-05-05 | 9590-009-0950 | ND |
2016-05-12 | 9590-009-0908 | ND |
2016-05-19 | 9590-009-1000 | ND |
2016-05-26 | 9590-009-1120 | ND |
2016-06-02 | 9590-009-0940 | ND |
2016-06-09 | 9590-002-0935 | 110.0 ppb |
2016-06-09 | 9590-009-0926 | ND |
2016-07-07 | 9590-009-1110 | 21.0 ppb |
2016-07-14 | 9590-009-1030 | 22.0 ppb |
2016-07-21 | 9590-002-1325 | 120.0 ppb |
2016-07-21 | 9590-008-1315 | ND |
2016-07-21 | 9590-009-1340 | ND |
2016-07-28 | 9590-009-0950 | 20.0 ppb |
2016-08-04 | 9590-009-0900 | ND |
2016-08-11 | 9590-002-1050 | 120.0 ppb |
2016-08-11 | 9590-009-1105 | ND |
2016-08-18 | 9590-009-0920 | ND |
2016-08-25 | 9590-002-0918 | 120.0 ppb |
2016-08-25 | 9590-009-0900 | ND |
2016-09-01 | 9590-009-1000 | ND |
2016-09-15 | 9590-009-1100 | ND |
2016-10-06 | 9590-002-0955 | 110.0 ppb |
2016-10-06 | 9590-008-1005 | ND |
2016-10-06 | 9590-009-1020 | ND |
2016-10-13 | 9590-009-0915 | ND |
2016-10-20 | 9590-009-1040 | ND |
2016-10-27 | 9590-009-0855 | ND |
2016-11-03 | 9590-009-1355 | ND |
2016-11-10 | 9590-002-1012 | 130.0 ppb |
2016-11-10 | 9590-009-0850 | ND |
2016-11-17 | 9590-009-1215 | 24.0 ppb |
2016-11-22 | 9590-009-1030 | ND |
2016-12-01 | 9590-009-0925 | ND |
2016-12-08 | 9590-002-1005 | 140.0 ppb |
2016-12-15 | 9590-009-0910 | ND |
2016-12-20 | 9590-009-0950 | ND |
2017-01-05 | 9590-009-0914 | ND |
2017-01-12 | 9590-002-0848 | 130.0 ppb |
2017-01-12 | 9590-008-0855 | ND |
2017-01-12 | 9590-009-0836 | ND |
2017-01-19 | 9590-009-1140 | ND |
2017-01-26 | 9590-009-0912 | ND |
2017-02-02 | 9590-009-0850 | ND |
2017-02-09 | 9590-009-1135 | ND |
2017-02-16 | 9590-002-0925 | 120.0 ppb |
2017-02-16 | 9590-009-0830 | ND |
2017-02-23 | 9590-009-1415 | ND |
2017-03-02 | 9590-009-1304 | ND |
2017-03-09 | 9590-002-0900 | 120.0 ppb |
2017-03-09 | 9590-009-0940 | ND |
2017-03-16 | 9590-009-1000 | ND |
2017-03-23 | 9590-009-0915 | ND |
2017-03-30 | 9590-009-1200 | ND |
2017-04-06 | 9590-009-1048 | ND |
2017-04-13 | 9590-002-1525 | 100.0 ppb |
2017-04-13 | 9590-002-1535 | 100.0 ppb |
2017-04-13 | 9590-008-1523 | 20.0 ppb |
2017-04-13 | 9590-008-1535 | ND |
2017-04-13 | 9590-009-1550 | ND |
2017-04-20 | 9590-009-0805 | ND |
2017-04-27 | 9590-009-0920 | ND |
2017-05-04 | 9590-009-1100 | ND |
2017-05-11 | 9590-009-1115 | ND |
2017-05-18 | 9590-002-0925 | 88.0 ppb |
2017-05-18 | 9590-009-0915 | ND |
2017-05-25 | 9590-009-1120 | ND |
2017-06-01 | 9590-009-1045 | ND |
2017-06-08 | 9590-009-0900 | ND |
2017-06-15 | 9590-009-1150 | ND |
2017-06-29 | 9590-009-1030 | ND |
2017-07-06 | 9590-009-1050 | ND |
2017-07-13 | 9590-002-1040 | 78.0 ppb |
2017-07-13 | 9590-008-1045 | ND |
2017-07-13 | 9590-009-1055 | ND |
2017-07-20 | 9590-009-0935 | ND |
2017-07-27 | 9590-009-0940 | ND |
2017-08-03 | 9590-009-0955 | ND |
2017-08-10 | 9590-002-1025 | 65.0 ppb |
2017-08-10 | 9590-009-0905 | ND |
2017-08-17 | 9590-009-1135 | ND |
2017-08-24 | 9590-009-0950 | ND |
2017-08-31 | 9590-009-0836 | ND |
2017-09-07 | 9590-009-0935 | ND |
2017-09-14 | 9590-002-1040 | 72.0 ppb |
2017-09-14 | 9590-009-1100 | ND |
2017-09-21 | 9590-009-1400 | ND |
2017-09-28 | 9590-009-0940 | ND |
2017-10-05 | 9590-009-1054 | ND |
2017-10-12 | 9590-002-0938 | 70.0 ppb |
2017-10-12 | 9590-008-0930 | ND |
2017-10-12 | 9590-009-0840 | ND |
2017-10-19 | 9590-009-1225 | ND |
2017-10-26 | 9590-009-0828 | ND |
2017-11-02 | 9590-001-1040 | ND |
2017-11-02 | 9590-009-1005 | ND |
2017-11-09 | 9590-002-0930 | 78.0 ppb |
2017-11-09 | 9590-009-0915 | ND |
2017-11-16 | 9590-009-1000 | ND |
2017-11-21 | 9590-009-0920 | ND |
2017-11-30 | 9590-009-1420 | ND |
2017-12-07 | 9590-002-0910 | 83.0 ppb |
2017-12-07 | 9590-009-0918 | ND |
2017-12-14 | 9590-009-1215 | ND |
2017-12-21 | 9590-009-0848 | ND |
2017-12-28 | 9590-009-1344 | ND |
2018-01-04 | 9590-009-1150 | ND |
2018-01-11 | 9590-001-1200 | ND |
2018-01-11 | 9590-002-1125 | 87.0 ppb |
2018-01-11 | 9590-008-1115 | ND |
2018-01-11 | 9590-009-1150 | ND |
2018-01-18 | 9590-009-1340 | ND |
2018-01-25 | 9590-009-0950 | ND |
2018-02-01 | 9590-009-1125 | ND |
2018-02-08 | 9590-002-1015 | 84.0 ppb |
2018-02-08 | 9590-009-1000 | ND |
2018-02-15 | 9590-009-1405 | ND |
2018-02-22 | 9590-009-1035 | ND |
2018-03-01 | 9590-009-0951 | ND |
2018-03-08 | 9590-002-1420 | 87.0 ppb |
2018-03-08 | 9590-009-1425 | ND |
2018-03-15 | 9590-009-1315 | ND |
2018-03-22 | 9590-009-1045 | ND |
2018-03-29 | 9590-009-0850 | ND |
2018-04-05 | 9590-002-0938 | 86.0 ppb |
2018-04-05 | 9590-009-0920 | ND |
2018-04-12 | 9590-001-1145 | ND |
2018-04-12 | 9590-002-1056 | 82.0 ppb |
2018-04-12 | 9590-008-1120 | ND |
2018-04-12 | 9590-009-1152 | ND |
2018-04-19 | 9590-009-1220 | ND |
2018-04-26 | 9590-009-1105 | ND |
2018-05-03 | 9590-002-0915 | 85.0 ppb |
2018-05-03 | 9590-009-0925 | ND |
2018-05-10 | 9590-009-0900 | ND |
2018-05-17 | 9590-009-1125 | ND |
2018-05-24 | 9590-009-1225 | ND |
2018-05-31 | 9590-009-0955 | ND |
2018-06-07 | 9590-002-1235 | 92.0 ppb |
2018-06-07 | 9590-009-1200 | ND |
2018-06-14 | 9590-009-1010 | ND |
2018-06-21 | 9590-009-1230 | ND |
2018-06-28 | 9590-009-0915 | ND |
2018-07-05 | 9590-002-0932 | 93.0 ppb |
2018-07-05 | 9590-009-0940 | ND |
2018-07-12 | 9590-009-0950 | ND |
2018-08-15 | 9590-001-1340 | ND |
2018-08-15 | 9590-002-1330 | 100.0 ppb |
2018-08-15 | 9590-009-1335 | ND |
2018-09-19 | 9590-002-0835 | ND |
2018-10-18 | 9590-009-1005 | ND |
2018-11-15 | 9590-001-1000 | ND |
2018-11-15 | 9590-002-1015 | 100.0 ppb |
2018-12-13 | 9590-009-1040 | ND |
2019-01-09 | 2104-009-0847 | 28.0 ppb |
2019-03-21 | 2104-009-0905 | 26.0 ppb |
2019-04-18 | 9590-001-0850 | ND |
2019-04-18 | 9590-002-0920 | 100.0 ppb |
2019-04-18 | 9590-008-0910 | ND |
2019-04-18 | 2104-009-0905 | ND |
2019-05-16 | 2104-009-0912 | ND |
2019-06-20 | 2104-001-0925 | ND |
2019-06-20 | 2104-002-0905 | 70.0 ppb |
2019-06-20 | 2104-008-0910 | ND |
2019-06-20 | 2104-009-0930 | ND |
2019-07-18 | 2104-009-1025 | ND |
2019-08-08 | 2104-001-1035 | ND |
2019-08-08 | 2104-002-1015 | 83.0 ppb |
2019-08-08 | 2104-008-1025 | ND |
2019-08-08 | 2104-009-1035 | ND |
2019-09-19 | 2104-009-1010 | ND |
2019-10-17 | 2104-009-0918 | ND |
2019-11-21 | 2104-001-0940 | ND |
2019-11-21 | 2104-002-1008 | 90.0 ppb |
2019-11-21 | 2104-008-1000 | ND |
2019-11-21 | 2104-009-0950 | ND |
2019-12-19 | 2104-009-0945 | ND |