Manganese
Best Road Mutual Water Company
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.
269
Samples
0
Samples exceeding legal limit (MCL)
19
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | 65.6 ppb | 23 | 15 | ND - 194.0 ppb |
| 2019 | 18.6 ppb | 19 | 7 | ND - 73.0 ppb |
| 2020 | 3.30 ppb | 20 | 4 | ND - 19.0 ppb |
| 2021 | 8.98 ppb | 56 | 13 | ND - 64.0 ppb |
| 2022 | 73.2 ppb | 67 | 44 | ND - 801.0 ppb |
| 2023 | 24.1 ppb | 84 | 29 | ND - 338.0 ppb |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
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 |
|---|---|---|
| 2018-01-02 | CA3500823_004_004-201801021045 | 189.0 ppb |
| 2018-01-02 | CA3500823_003_003-201801021045 | ND |
| 2018-01-02 | CA3500823_002_002-201801021055 | ND |
| 2018-02-08 | CA3500823_004_004-201802081010 | 136.0 ppb |
| 2018-03-07 | CA3500823_004_004-201803071010 | 194.0 ppb |
| 2018-04-12 | CA3500823_004_004-201804121020 | 140.0 ppb |
| 2018-04-12 | CA3500823_003_003-201804121020 | 130.0 ppb |
| 2018-04-12 | CA3500823_002_002-201804121030 | ND |
| 2018-05-01 | CA3500823_004_004-201805011035 | 37.0 ppb |
| 2018-06-01 | CA3500823_004_004-201806011005 | 25.0 ppb |
| 2018-07-02 | CA3500823_003_003-201807021150 | 53.0 ppb |
| 2018-07-02 | CA3500823_002_002-201807021210 | ND |
| 2018-07-02 | CA3500823_004_004-201807021145 | 76.0 ppb |
| 2018-08-01 | CA3500823_004_004-201808011305 | 99.0 ppb |
| 2018-09-04 | CA3500823_004_004-201809041305 | 77.0 ppb |
| 2018-10-04 | CA3500823_003_003-201810041150 | ND |
| 2018-10-04 | CA3500823_004_004-201810041150 | 80.0 ppb |
| 2018-10-04 | CA3500823_002_002-201810041155 | ND |
| 2018-10-30 | CA3500823_004_004-201810301246 | 87.0 ppb |
| 2018-10-30 | CA3500823_002_002-201810301240 | ND |
| 2018-10-30 | CA3500823_003_003-201810301250 | ND |
| 2018-11-19 | CA3500823_004_004-201811191145 | 45.0 ppb |
| 2018-12-18 | CA3500823_004_004-201812181240 | 140.0 ppb |
| 2019-01-17 | CA3500823_004_004-201901171110 | 72.0 ppb |
| 2019-01-17 | CA3500823_002_002-201901171140 | 24.0 ppb |
| 2019-01-17 | CA3500823_003_003-201901171105 | ND |
| 2019-02-20 | CA3500823_004_004-201902201235 | 73.0 ppb |
| 2019-03-18 | CA3500823_004_004-201903180950 | 49.0 ppb |
| 2019-04-11 | CA3500823_003_003-201904110950 | ND |
| 2019-04-11 | CA3500823_002_002-201904111005 | ND |
| 2019-04-11 | CA3500823_004_004-201904110955 | ND |
| 2019-05-07 | CA3500823_004_004-201905071030 | ND |
| 2019-06-02 | CA3500823_004_004-201906021615 | ND |
| 2019-07-09 | CA3500823_002_002-201907091140 | ND |
| 2019-07-09 | CA3500823_003_003-201907091120 | 43.0 ppb |
| 2019-07-09 | CA3500823_004_004-201907091110 | ND |
| 2019-08-06 | CA3500823_004_004-201908061120 | ND |
| 2019-09-09 | CA3500823_004_004-201909091500 | ND |
| 2019-10-08 | CA3500823_003_003-201910080900 | 72.0 ppb |
| 2019-10-08 | CA3500823_004_004-201910080850 | ND |
| 2019-10-08 | CA3500823_002_002-201910080920 | 20.0 ppb |
| 2019-12-02 | CA3500823_004_004-201912021300 | ND |
| 2020-01-01 | CA3500823_003_003-202001011530 | ND |
| 2020-01-01 | CA3500823_004_004-202001011520 | ND |
| 2020-01-01 | CA3500823_002_002-202001011600 | ND |
| 2020-02-04 | CA3500823_004_004-202002041215 | ND |
| 2020-03-11 | CA3500823_004_004-202003111235 | ND |
| 2020-04-06 | CA3500823_003_003-202004060815 | 17.0 ppb |
| 2020-04-06 | CA3500823_004_004-202004060815 | ND |
| 2020-04-06 | CA3500823_002_002-202004060850 | 15.0 ppb |
| 2020-05-05 | CA3500823_004_004-202005050700 | ND |
| 2020-06-02 | CA3500823_004_004-202006021000 | ND |
| 2020-07-27 | CA3500823_004_004-202007270615 | ND |
| 2020-07-27 | CA3500823_002_002-202007270840 | 15.0 ppb |
| 2020-07-27 | CA3500823_003_003-202007270625 | ND |
| 2020-08-19 | CA3500823_004_004-202008191435 | ND |
| 2020-09-18 | CA3500823_004_004-202009181030 | ND |
| 2020-10-19 | CA3500823_002_002-202010191415 | 19.0 ppb |
| 2020-10-19 | CA3500823_004_004-202010191405 | ND |
| 2020-10-19 | CA3500823_003_003-202010191400 | ND |
| 2020-11-10 | CA3500823_004_004-202011101105 | ND |
| 2020-12-04 | CA3500823_004_004-202012041236 | ND |
| 2021-01-08 | CA3500823_003_003-202101081719 | ND |
| 2021-01-08 | CA3500823_004_004-202101081719 | ND |
| 2021-01-11 | CA3500823_004_004-202101111053 | ND |
| 2021-01-20 | CA3500823_004_004-202101201427 | ND |
| 2021-02-10 | CA3500823_003_003-202102100756 | 20.0 ppb |
| 2021-02-10 | CA3500823_004_004-202102100747 | ND |
| 2021-02-18 | CA3500823_004_004-202102180825 | 47.0 ppb |
| 2021-02-26 | CA3500823_004_004-202102261038 | 41.0 ppb |
| 2021-03-02 | CA3500823_003_003-202103020742 | 40.0 ppb |
| 2021-03-02 | CA3500823_004_004-202103020741 | 54.0 ppb |
| 2021-03-10 | CA3500823_004_004-202103100807 | 54.0 ppb |
| 2021-03-15 | CA3500823_004_004-202103151637 | 64.0 ppb |
| 2021-03-26 | CA3500823_004_004-202103260630 | ND |
| 2021-03-29 | CA3500823_004_004-202103290843 | 45.0 ppb |
| 2021-04-06 | CA3500823_004_004-202104060705 | 20.0 ppb |
| 2021-04-06 | CA3500823_003_003-202104060703 | 17.0 ppb |
| 2021-04-13 | CA3500823_004_004-202104130647 | ND |
| 2021-04-20 | CA3500823_004_004-202104200757 | ND |
| 2021-04-26 | CA3500823_004_004-202104260843 | ND |
| 2021-05-03 | CA3500823_004_004-202105031215 | ND |
| 2021-05-03 | CA3500823_003_003-202105031156 | 25.0 ppb |
| 2021-05-10 | CA3500823_004_004-202105101020 | ND |
| 2021-05-17 | CA3500823_004_004-202105171140 | ND |
| 2021-05-28 | CA3500823_004_004-202105280851 | ND |
| 2021-06-02 | CA3500823_004_004-202106021156 | ND |
| 2021-06-07 | CA3500823_004_004-202106071015 | ND |
| 2021-06-07 | CA3500823_003_003-202106071015 | ND |
| 2021-06-16 | CA3500823_004_004-202106161012 | ND |
| 2021-06-22 | CA3500823_004_004-202106221710 | ND |
| 2021-06-22 | CA3500823_003_003-202106221724 | ND |
| 2021-06-28 | CA3500823_004_004-202106280917 | ND |
| 2021-07-05 | CA3500823_003_003-202107051000 | ND |
| 2021-07-05 | CA3500823_004_004-202107051000 | ND |
| 2021-08-02 | CA3500823_004_004-202108021019 | ND |
| 2021-08-03 | CA3500823_004_004-202108031455 | ND |
| 2021-08-03 | CA3500823_003_003-202108031455 | ND |
| 2021-08-11 | CA3500823_004_004-202108110914 | ND |
| 2021-08-18 | CA3500823_004_004-202108180846 | ND |
| 2021-09-01 | CA3500823_003_003-202109011851 | ND |
| 2021-09-01 | CA3500823_004_004-202109011850 | ND |
| 2021-09-07 | CA3500823_004_004-202109070754 | ND |
| 2021-09-15 | CA3500823_004_004-202109151425 | ND |
| 2021-09-22 | CA3500823_004_004-202109221425 | ND |
| 2021-09-29 | CA3500823_004_004-202109291305 | ND |
| 2021-10-04 | CA3500823_003_003-202110040815 | ND |
| 2021-10-04 | CA3500823_004_004-202110040820 | 55.0 ppb |
| 2021-10-14 | CA3500823_004_004-202110141125 | 21.0 ppb |
| 2021-10-17 | CA3500823_004_004-202110171434 | ND |
| 2021-10-17 | CA3500823_003_003-202110171440 | ND |
| 2021-10-27 | CA3500823_004_004-202110271332 | ND |
| 2021-11-06 | CA3500823_003_003-202111060720 | ND |
| 2021-11-06 | CA3500823_004_004-202111060720 | ND |
| 2021-11-08 | CA3500823_004_004-202111080915 | ND |
| 2021-12-20 | CA3500823_004_004-202112200827 | ND |
| 2021-12-28 | CA3500823_003_003-202112281114 | ND |
| 2021-12-28 | CA3500823_004_004-202112281114 | ND |
| 2022-01-06 | CA3500823_004_004-202201060724 | ND |
| 2022-01-14 | CA3500823_004_004-202201142028 | ND |
| 2022-01-27 | CA3500823_003_003-202201271416 | ND |
| 2022-01-27 | CA3500823_004_004-202201271416 | ND |
| 2022-02-01 | CA3500823_004_004-202202011313 | ND |
| 2022-02-01 | CA3500823_003_003-202202011313 | ND |
| 2022-03-13 | CA3500823_003_003-202203130853 | ND |
| 2022-03-31 | CA3500823_004_004-202203311513 | ND |
| 2022-04-07 | CA3500823_003_003-202204071418 | ND |
| 2022-04-07 | CA3500823_004_004-202204071418 | ND |
| 2022-04-12 | CA3500823_004_004-202204120803 | ND |
| 2022-04-19 | CA3500823_004_004-202204190858 | ND |
| 2022-04-26 | CA3500823_004_004-202204260946 | ND |
| 2022-05-01 | CA3500823_003_003-202205010743 | 16.0 ppb |
| 2022-05-01 | CA3500823_004_004-202205010743 | ND |
| 2022-05-06 | CA3500823_004_004-202205060916 | ND |
| 2022-05-14 | CA3500823_004_004-202205141230 | ND |
| 2022-05-21 | CA3500823_004_004-202205211026 | ND |
| 2022-05-26 | CA3500823_004_004-202205261156 | ND |
| 2022-06-08 | CA3500823_004_004-202206081130 | 216.0 ppb |
| 2022-06-08 | CA3500823_002_002-202206080948 | ND |
| 2022-06-15 | CA3500823_004_004-202206151700 | 227.0 ppb |
| 2022-06-15 | CA3500823_003_003-202206151218 | 140.0 ppb |
| 2022-06-21 | CA3500823_004_004-202206210707 | 486.0 ppb |
| 2022-07-08 | CA3500823_002_002-202207081108 | ND |
| 2022-07-08 | CA3500823_004_004-202207080931 | 801.0 ppb |
| 2022-07-22 | CA3500823_004_004-202207220730 | 608.0 ppb |
| 2022-07-29 | CA3500823_004_004-202207290827 | 581.0 ppb |
| 2022-08-04 | CA3500823_003_003-202208042001 | 48.0 ppb |
| 2022-08-04 | CA3500823_002_002-202208041937 | 17.0 ppb |
| 2022-08-09 | CA3500823_004_004-202208090838 | 193.0 ppb |
| 2022-08-17 | CA3500823_003_003-202208170857 | 130.0 ppb |
| 2022-08-17 | CA3500823_004_004-202208170857 | 29.0 ppb |
| 2022-08-22 | CA3500823_003_003-202208220729 | 120.0 ppb |
| 2022-08-22 | CA3500823_002_002-202208220745 | ND |
| 2022-08-22 | CA3500823_004_004-202208220729 | 93.0 ppb |
| 2022-08-31 | CA3500823_004_004-202208310826 | 27.0 ppb |
| 2022-09-13 | CA3500823_004_004-202209131206 | 16.0 ppb |
| 2022-09-13 | CA3500823_003_003-202209131206 | 67.0 ppb |
| 2022-09-19 | CA3500823_004_004-202209190952 | 19.0 ppb |
| 2022-09-19 | CA3500823_003_003-202209190952 | 66.0 ppb |
| 2022-09-26 | CA3500823_004_004-202209260732 | 16.0 ppb |
| 2022-09-30 | CA3500823_004_004-202209301128 | 21.0 ppb |
| 2022-10-12 | CA3500823_003_003-202210121019 | 59.0 ppb |
| 2022-10-12 | CA3500823_004_004-202210121019 | 21.0 ppb |
| 2022-10-17 | CA3500823_003_003-202210171236 | 59.0 ppb |
| 2022-10-17 | CA3500823_004_004-202210171236 | 36.0 ppb |
| 2022-10-28 | CA3500823_003_003-202210281801 | 55.0 ppb |
| 2022-10-28 | CA3500823_004_004-202210281801 | ND |
| 2022-11-01 | CA3500823_003_003-202211011000 | 56.0 ppb |
| 2022-11-01 | CA3500823_004_004-202211011000 | 21.0 ppb |
| 2022-11-09 | CA3500823_003_003-202211090653 | 67.0 ppb |
| 2022-11-09 | CA3500823_004_004-202211090653 | 32.0 ppb |
| 2022-11-17 | CA3500823_004_004-202211170728 | 31.0 ppb |
| 2022-11-17 | CA3500823_003_003-202211170728 | 66.0 ppb |
| 2022-11-25 | CA3500823_004_004-202211250911 | 21.0 ppb |
| 2022-11-25 | CA3500823_003_003-202211250911 | 61.0 ppb |
| 2022-11-27 | CA3500823_003_003-202211270845 | 60.0 ppb |
| 2022-11-27 | CA3500823_004_004-202211270845 | 20.0 ppb |
| 2022-12-08 | CA3500823_003_003-202212081155 | 57.0 ppb |
| 2022-12-08 | CA3500823_004_004-202212081155 | 22.0 ppb |
| 2022-12-15 | CA3500823_003_003-202212150926 | 88.0 ppb |
| 2022-12-15 | CA3500823_004_004-202212150926 | 22.0 ppb |
| 2022-12-20 | CA3500823_004_004-202212201030 | 20.0 ppb |
| 2022-12-20 | CA3500823_003_003-202212201030 | 60.0 ppb |
| 2022-12-30 | CA3500823_004_004-202212301015 | ND |
| 2022-12-30 | CA3500823_003_003-202212301015 | 36.0 ppb |
| 2023-01-04 | CA3500823_003_003-202301041128 | 69.0 ppb |
| 2023-01-04 | CA3500823_004_004-202301041128 | 22.0 ppb |
| 2023-01-11 | CA3500823_004_004-202301110846 | ND |
| 2023-01-11 | CA3500823_003_003-202301110846 | ND |
| 2023-01-27 | CA3500823_004_004-202301270730 | ND |
| 2023-01-27 | CA3500823_003_003-202301270730 | ND |
| 2023-01-31 | CA3500823_003_003-202301311209 | ND |
| 2023-01-31 | CA3500823_004_004-202301311209 | ND |
| 2023-02-06 | CA3500823_003_003-202302061152 | ND |
| 2023-02-06 | CA3500823_004_004-202302061152 | ND |
| 2023-02-15 | CA3500823_003_003-202302150807 | ND |
| 2023-02-15 | CA3500823_004_004-202302150807 | ND |
| 2023-02-25 | CA3500823_003_003-202302250930 | 24.0 ppb |
| 2023-02-25 | CA3500823_004_004-202302250933 | ND |
| 2023-03-08 | CA3500823_003_003-202303080700 | ND |
| 2023-03-08 | CA3500823_004_004-202303080705 | ND |
| 2023-03-16 | CA3500823_003_003-202303160827 | ND |
| 2023-03-16 | CA3500823_004_004-202303160825 | ND |
| 2023-03-23 | CA3500823_003_003-202303230840 | ND |
| 2023-03-23 | CA3500823_004_004-202303230835 | ND |
| 2023-03-28 | CA3500823_003_003-202303280820 | 19.0 ppb |
| 2023-03-28 | CA3500823_004_004-202303280820 | ND |
| 2023-04-06 | CA3500823_004_004-202304060810 | ND |
| 2023-04-06 | CA3500823_003_003-202304060812 | ND |
| 2023-04-12 | CA3500823_003_003-202304120825 | ND |
| 2023-04-12 | CA3500823_004_004-202304120830 | ND |
| 2023-04-19 | CA3500823_003_003-202304190920 | 16.0 ppb |
| 2023-04-19 | CA3500823_004_004-202304190925 | ND |
| 2023-04-25 | CA3500823_004_004-202304250650 | ND |
| 2023-04-25 | CA3500823_003_003-202304250658 | ND |
| 2023-05-02 | CA3500823_003_003-202305020841 | ND |
| 2023-05-02 | CA3500823_004_004-202305020841 | ND |
| 2023-05-08 | CA3500823_004_004-202305080732 | ND |
| 2023-05-08 | CA3500823_003_003-202305080732 | ND |
| 2023-05-18 | CA3500823_004_004-202305180720 | ND |
| 2023-05-18 | CA3500823_003_003-202305180725 | ND |
| 2023-05-23 | CA3500823_003_003-202305231035 | ND |
| 2023-05-23 | CA3500823_004_004-202305231035 | ND |
| 2023-06-01 | CA3500823_003_003-202306010735 | ND |
| 2023-06-01 | CA3500823_004_004-202306010740 | ND |
| 2023-06-08 | CA3500823_003_003-202306081005 | ND |
| 2023-06-08 | CA3500823_004_004-202306081010 | ND |
| 2023-06-20 | CA3500823_003_003-202306201025 | ND |
| 2023-06-26 | CA3500823_003_003-202306261220 | 20.0 ppb |
| 2023-06-26 | CA3500823_004_004-202306261220 | ND |
| 2023-07-09 | CA3500823_003_003-202307091950 | ND |
| 2023-07-09 | CA3500823_004_004-202307091950 | ND |
| 2023-07-19 | CA3500823_003_003-202307191357 | 59.0 ppb |
| 2023-07-19 | CA3500823_004_004-202307191357 | ND |
| 2023-07-27 | CA3500823_003_003-202307270739 | 72.0 ppb |
| 2023-07-27 | CA3500823_004_004-202307270739 | 38.0 ppb |
| 2023-08-01 | CA3500823_004_004-202308010915 | 32.0 ppb |
| 2023-08-01 | CA3500823_003_003-202308010915 | 40.0 ppb |
| 2023-08-14 | CA3500823_003_003-202308141305 | 78.0 ppb |
| 2023-08-14 | CA3500823_004_004-202308141305 | 90.0 ppb |
| 2023-08-23 | CA3500823_003_003-202308231002 | 71.0 ppb |
| 2023-08-23 | CA3500823_004_004-202308231002 | 28.0 ppb |
| 2023-09-01 | CA3500823_004_004-202309011824 | 18.0 ppb |
| 2023-09-01 | CA3500823_003_003-202309011824 | 73.0 ppb |
| 2023-09-08 | CA3500823_004_004-202309080927 | ND |
| 2023-09-08 | CA3500823_003_003-202309080927 | 72.0 ppb |
| 2023-09-23 | CA3500823_004_004-202309231837 | ND |
| 2023-09-23 | CA3500823_003_003-202309231837 | 74.0 ppb |
| 2023-09-25 | CA3500823_003_003-202309250824 | 78.0 ppb |
| 2023-09-25 | CA3500823_004_004-202309250824 | ND |
| 2023-10-05 | CA3500823_004_004-202310051815 | 31.0 ppb |
| 2023-10-05 | CA3500823_003_003-202310051815 | 79.0 ppb |
| 2023-10-10 | CA3500823_003_003-202310100907 | 72.0 ppb |
| 2023-10-10 | CA3500823_004_004-202310100907 | ND |
| 2023-10-23 | CA3500823_004_004-202310231138 | ND |
| 2023-10-23 | CA3500823_003_003-202310231138 | 68.0 ppb |
| 2023-11-05 | CA3500823_004_004-202311051422 | 223.0 ppb |
| 2023-11-21 | CA3500823_003_003-202311210718 | 35.0 ppb |
| 2023-11-21 | CA3500823_004_004-202311210718 | 338.0 ppb |
| 2023-11-30 | CA3500823_004_004-202311300852 | 167.0 ppb |
| 2023-11-30 | CA3500823_003_003-202311300852 | ND |
| 2023-12-06 | CA3500823_003_003-202312060805 | ND |
| 2023-12-06 | CA3500823_004_004-202312060805 | ND |
| 2023-12-14 | CA3500823_004_004-202312141407 | ND |
| 2023-12-14 | CA3500823_003_003-202312141407 | ND |
| 2023-12-18 | CA3500823_004_004-202312181354 | ND |
| 2023-12-18 | CA3500823_003_003-202312181354 | ND |
| 2023-12-27 | CA3500823_004_004-202312271642 | ND |
| 2023-12-27 | CA3500823_003_003-202312271642 | 17.0 ppb |