Manganese
Manitowoc Waterworks
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.
76
Samples
0
Samples exceeding legal limit (MCL)
0
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2014 | N/A | 0 | 0 | N/A |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | 8.46 ppb | 28 | 14 | ND - 52.0 ppb |
| 2018 | 0.356 ppb | 15 | 7 | ND - 1.30 ppb |
| 2019 | 0.560 ppb | 33 | 30 | ND - 1.60 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 |
|---|---|---|
| 2017-03-08 | 1703635-001A | 17.6 ppb |
| 2017-03-21 | 1703E69-001A | 40.9 ppb |
| 2017-08-16 | 1012093 | 1.000 ppb |
| 2017-08-16 | 1012083 | ND |
| 2017-08-16 | 1012095 | ND |
| 2017-08-16 | 1012091 | ND |
| 2017-08-16 | 1012082 | ND |
| 2017-08-16 | 1012079 | ND |
| 2017-08-16 | 1012094 | ND |
| 2017-08-16 | 1012080 | ND |
| 2017-08-16 | 1012092 | 1.30 ppb |
| 2017-08-16 | 1012081 | 3.00 ppb |
| 2017-08-16 | 1012096 | ND |
| 2017-08-24 | 1013872 | 1.40 ppb |
| 2017-08-24 | 1013871 | 1.40 ppb |
| 2017-08-24 | 1013868 | 13.0 ppb |
| 2017-08-24 | 1013866 | 1.30 ppb |
| 2017-08-24 | 1013865 | ND |
| 2017-08-24 | 1013875 | ND |
| 2017-08-24 | 1013869 | ND |
| 2017-08-24 | 1013874 | ND |
| 2017-08-24 | 1013870 | ND |
| 2017-08-24 | 1013873 | ND |
| 2017-08-24 | 1013867 | 1.000 ppb |
| 2017-08-29 | 1014600 | 52.0 ppb |
| 2017-08-29 | 1014602 | 25.0 ppb |
| 2017-09-06 | 1016222 | 27.0 ppb |
| 2017-09-06 | 1016221 | 51.0 ppb |
| 2018-02-06 | 1039888 | ND |
| 2018-05-08 | 1054631 | 0.715 ppb |
| 2018-07-18 | 1068649 | 1.000 ppb |
| 2018-07-19 | 1068652 | ND |
| 2018-07-19 | 1068651 | ND |
| 2018-07-19 | 1068650 | ND |
| 2018-07-19 | 1068653 | 0.450 ppb |
| 2018-07-26 | 1069945 | 0.940 ppb |
| 2018-08-02 | 1071317 | ND |
| 2018-09-24 | 1084179 | 1.30 ppb |
| 2018-09-25 | 1084181 | ND |
| 2018-09-25 | 1084182 | 0.340 ppb |
| 2018-09-26 | 1084183 | 0.590 ppb |
| 2018-09-27 | 1084180 | ND |
| 2018-11-07 | 1092024 | ND |
| 2019-02-27 | 1107063 | 0.300 ppb |
| 2019-02-27 | 1107064 | 0.970 ppb |
| 2019-02-27 | 1107065 | 0.950 ppb |
| 2019-02-27 | 1107062 | 0.840 ppb |
| 2019-02-27 | 1107058 | 0.720 ppb |
| 2019-02-27 | 1107059 | 0.310 ppb |
| 2019-02-27 | 1107061 | 0.370 ppb |
| 2019-02-27 | 1107068 | 0.380 ppb |
| 2019-02-27 | 1107067 | 0.410 ppb |
| 2019-02-27 | 1107060 | 0.740 ppb |
| 2019-02-27 | 1107066 | 0.640 ppb |
| 2019-10-15 | 1155405 | 0.630 ppb |
| 2019-10-15 | 1155414 | ND |
| 2019-10-15 | 1155410 | 1.60 ppb |
| 2019-10-15 | 1155411 | 1.20 ppb |
| 2019-10-15 | 1155409 | ND |
| 2019-10-15 | 1155407 | 0.460 ppb |
| 2019-10-15 | 1155413 | 0.330 ppb |
| 2019-10-15 | 1155412 | 0.250 ppb |
| 2019-10-15 | 1155406 | 0.240 ppb |
| 2019-10-15 | 1155408 | 0.200 ppb |
| 2019-10-16 | 1155546 | 0.820 ppb |
| 2019-10-22 | 1156719 | 0.360 ppb |
| 2019-10-22 | 1156720 | 0.420 ppb |
| 2019-10-22 | 1156726 | 0.310 ppb |
| 2019-10-22 | 1156727 | 0.300 ppb |
| 2019-10-22 | 1156722 | 0.800 ppb |
| 2019-10-22 | 1156718 | 0.890 ppb |
| 2019-10-22 | 1156725 | 1.20 ppb |
| 2019-10-22 | 1156724 | 1.50 ppb |
| 2019-10-22 | 1156728 | ND |
| 2019-10-22 | 1156721 | 0.180 ppb |
| 2019-10-22 | 1156723 | 0.160 ppb |