Manganese
East Lyme Water & Sewer Commission
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.
330
Samples
0
Samples exceeding legal limit (MCL)
56
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | 85.7 ppb | 74 | 74 | 0.870 ppb - 889.0 ppb |
| 2019 | 61.3 ppb | 147 | 143 | ND - 462.0 ppb |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | 180.0 ppb | 1 | 1 | 180.0 ppb |
| 2022 | 70.0 ppb | 10 | 7 | ND - 589.0 ppb |
| 2023 | 0.0102 ppb | 98 | 1 | ND - 1.000 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 |
|---|---|---|
| 2018-09-13 | CB30532 | 9.00 ppb |
| 2018-09-13 | CB30533 | 318.0 ppb |
| 2018-09-13 | CB30534 | 2.00 ppb |
| 2018-09-13 | CB30535 | 10.00 ppb |
| 2018-09-13 | CB30536 | 9.00 ppb |
| 2018-09-13 | CB30537 | 8.00 ppb |
| 2018-09-13 | CB30538 | 7.00 ppb |
| 2018-09-13 | CB30539 | 35.0 ppb |
| 2018-09-21 | 2340575001 | 828.0 ppb |
| 2018-09-21 | 2340575002 | 470.0 ppb |
| 2018-09-21 | 2340575003 | 10.00 ppb |
| 2018-09-21 | 2340575004 | 0.870 ppb |
| 2018-09-21 | 2340575005 | 80.3 ppb |
| 2018-09-21 | 2340575006 | 2.20 ppb |
| 2018-09-24 | CB37210 | 6.00 ppb |
| 2018-09-24 | CB37211 | 336.0 ppb |
| 2018-09-24 | CB37212 | 6.00 ppb |
| 2018-09-24 | CB37213 | 1.000 ppb |
| 2018-09-24 | CB37214 | 5.00 ppb |
| 2018-09-24 | CB37215 | 5.00 ppb |
| 2018-09-24 | CB37216 | 4.00 ppb |
| 2018-09-24 | CB37217 | 70.0 ppb |
| 2018-09-24 | CB37218 | 10.00 ppb |
| 2018-10-10 | CB68932 | 16.0 ppb |
| 2018-10-10 | CB68933 | 333.0 ppb |
| 2018-10-10 | CB68934 | 12.0 ppb |
| 2018-10-10 | CB68935 | 2.00 ppb |
| 2018-10-10 | CB68936 | 4.00 ppb |
| 2018-10-10 | CB68937 | 5.00 ppb |
| 2018-10-10 | CB68938 | 7.00 ppb |
| 2018-10-10 | CB68939 | 61.0 ppb |
| 2018-10-30 | CB84625 | 5.00 ppb |
| 2018-10-30 | CB84626 | 262.0 ppb |
| 2018-10-30 | CB84627 | 75.0 ppb |
| 2018-10-30 | CB84628 | 160.0 ppb |
| 2018-10-30 | CB84629 | 16.0 ppb |
| 2018-10-30 | CB84630 | 5.00 ppb |
| 2018-10-30 | CB84631 | 6.00 ppb |
| 2018-10-30 | CB84632 | 5.00 ppb |
| 2018-10-31 | 2348214001 | 1.90 ppb |
| 2018-11-08 | CB90712 | 5.00 ppb |
| 2018-11-08 | CB90713 | 292.0 ppb |
| 2018-11-08 | CB90714 | 171.0 ppb |
| 2018-11-08 | CB90715 | 213.0 ppb |
| 2018-11-08 | CB90716 | 7.00 ppb |
| 2018-11-08 | CB90717 | 3.00 ppb |
| 2018-11-08 | CB90718 | 11.0 ppb |
| 2018-11-08 | CB90719 | 4.00 ppb |
| 2018-11-28 | CC03994 | 12.0 ppb |
| 2018-11-28 | CC03995 | 290.0 ppb |
| 2018-11-28 | CC03996 | 1.000 ppb |
| 2018-11-28 | CC03997 | 242.0 ppb |
| 2018-11-28 | CC03998 | 9.00 ppb |
| 2018-11-28 | CC03999 | 3.00 ppb |
| 2018-11-28 | CC04000 | 1.000 ppb |
| 2018-11-28 | CC04001 | 15.0 ppb |
| 2018-11-28 | CC04002 | 7.00 ppb |
| 2018-12-05 | CC07654 | 31.0 ppb |
| 2018-12-05 | CC07655 | 255.0 ppb |
| 2018-12-05 | CC07656 | 12.0 ppb |
| 2018-12-05 | CC07657 | 889.0 ppb |
| 2018-12-05 | CC07658 | 11.0 ppb |
| 2018-12-05 | CC07659 | 8.00 ppb |
| 2018-12-05 | CC07660 | 5.00 ppb |
| 2018-12-05 | CC07661 | 109.0 ppb |
| 2018-12-05 | CC07662 | 39.0 ppb |
| 2018-12-19 | CC17059 | 7.00 ppb |
| 2018-12-19 | CC17060 | 221.0 ppb |
| 2018-12-19 | CC17061 | 58.0 ppb |
| 2018-12-19 | CC17062 | 78.0 ppb |
| 2018-12-19 | CC17063 | 30.0 ppb |
| 2018-12-19 | CC17064 | 15.0 ppb |
| 2018-12-19 | CC17065 | 21.0 ppb |
| 2018-12-19 | CC17066 | 60.0 ppb |
| 2019-01-14 | CC28221 | 16.0 ppb |
| 2019-01-14 | CC28222 | 288.0 ppb |
| 2019-01-14 | CC28223 | 210.0 ppb |
| 2019-01-14 | CC28224 | 212.0 ppb |
| 2019-01-14 | CC28225 | 13.0 ppb |
| 2019-01-14 | CC28226 | 7.00 ppb |
| 2019-01-14 | CC28227 | 8.00 ppb |
| 2019-01-14 | CC28228 | 24.0 ppb |
| 2019-01-14 | CC28229 | 140.0 ppb |
| 2019-01-24 | CC33680 | 7.00 ppb |
| 2019-01-24 | CC33681 | 296.0 ppb |
| 2019-01-24 | CC33682 | 193.0 ppb |
| 2019-01-24 | CC33683 | 43.0 ppb |
| 2019-01-24 | CC33684 | 9.00 ppb |
| 2019-01-24 | CC33685 | 8.00 ppb |
| 2019-01-24 | CC33686 | 10.00 ppb |
| 2019-01-24 | CC33687 | 40.0 ppb |
| 2019-02-14 | CC51802 | 9.00 ppb |
| 2019-02-14 | CC51803 | 178.0 ppb |
| 2019-02-14 | CC51804 | 201.0 ppb |
| 2019-02-14 | CC51805 | 47.0 ppb |
| 2019-02-14 | CC51806 | 19.0 ppb |
| 2019-02-14 | CC51807 | 6.00 ppb |
| 2019-02-14 | CC51808 | 6.00 ppb |
| 2019-02-14 | CC51809 | 15.0 ppb |
| 2019-02-14 | CC51810 | 37.0 ppb |
| 2019-02-27 | CC58577 | 5.00 ppb |
| 2019-02-27 | CC58578 | 185.0 ppb |
| 2019-02-27 | CC58579 | 175.0 ppb |
| 2019-02-27 | CC58580 | 24.0 ppb |
| 2019-02-27 | CC58581 | 21.0 ppb |
| 2019-02-27 | CC58582 | 16.0 ppb |
| 2019-02-27 | CC58583 | 13.0 ppb |
| 2019-02-27 | CC58584 | 10.00 ppb |
| 2019-03-13 | CC66808 | 4.00 ppb |
| 2019-03-13 | CC66809 | 189.0 ppb |
| 2019-03-13 | CC66810 | 142.0 ppb |
| 2019-03-13 | CC66811 | 106.0 ppb |
| 2019-03-13 | CC66812 | 17.0 ppb |
| 2019-03-13 | CC66813 | 6.00 ppb |
| 2019-03-13 | CC66814 | 6.00 ppb |
| 2019-03-13 | CC66815 | 6.00 ppb |
| 2019-03-25 | 3024682001 | 208.0 ppb |
| 2019-03-25 | 3024682002 | 462.0 ppb |
| 2019-03-25 | 3024682003 | 19.6 ppb |
| 2019-03-25 | 3024682004 | ND |
| 2019-03-25 | 3024682005 | 6.20 ppb |
| 2019-03-25 | 3024682006 | 2.60 ppb |
| 2019-03-27 | CC75825 | 7.00 ppb |
| 2019-03-27 | CC75826 | 170.0 ppb |
| 2019-03-27 | CC75827 | 70.0 ppb |
| 2019-03-27 | CC75828 | 164.0 ppb |
| 2019-03-27 | CC75829 | 12.0 ppb |
| 2019-03-27 | CC75830 | 4.00 ppb |
| 2019-03-27 | CC75831 | 5.00 ppb |
| 2019-03-27 | CC75832 | 6.00 ppb |
| 2019-03-27 | CC75833 | 8.00 ppb |
| 2019-04-08 | CC90295 | 6.00 ppb |
| 2019-04-08 | CC90296 | 178.0 ppb |
| 2019-04-08 | CC90297 | 132.0 ppb |
| 2019-04-08 | CC90298 | 10.00 ppb |
| 2019-04-08 | CC90299 | 24.0 ppb |
| 2019-04-08 | CC90300 | 8.00 ppb |
| 2019-04-08 | CC90301 | 9.00 ppb |
| 2019-04-08 | CC90302 | 6.00 ppb |
| 2019-04-08 | CC90303 | 14.0 ppb |
| 2019-04-25 | CD01330 | 17.0 ppb |
| 2019-04-25 | CD01331 | 167.0 ppb |
| 2019-04-25 | CD01332 | 46.0 ppb |
| 2019-04-25 | CD01333 | 78.0 ppb |
| 2019-04-25 | CD01334 | 6.00 ppb |
| 2019-04-25 | CD01335 | 2.00 ppb |
| 2019-04-25 | CD01336 | 2.00 ppb |
| 2019-04-25 | CD01337 | 16.0 ppb |
| 2019-05-13 | CD11460 | 4.00 ppb |
| 2019-05-13 | CD11461 | 162.0 ppb |
| 2019-05-13 | CD11462 | 105.0 ppb |
| 2019-05-13 | CD11463 | 195.0 ppb |
| 2019-05-13 | CD11464 | 2.00 ppb |
| 2019-05-13 | CD11465 | 5.00 ppb |
| 2019-05-13 | CD11466 | 40.0 ppb |
| 2019-05-13 | CD11467 | 53.0 ppb |
| 2019-05-13 | CD11468 | 28.0 ppb |
| 2019-05-30 | CD23250 | 12.0 ppb |
| 2019-05-30 | CD23251 | 141.0 ppb |
| 2019-05-30 | CD23252 | 103.0 ppb |
| 2019-05-30 | CD23253 | 1.000 ppb |
| 2019-05-30 | CD23254 | ND |
| 2019-05-30 | CD23255 | 4.00 ppb |
| 2019-05-30 | CD23256 | 53.0 ppb |
| 2019-05-30 | CD23257 | 6.00 ppb |
| 2019-05-30 | CD23258 | 3.00 ppb |
| 2019-06-13 | CD33710 | 5.00 ppb |
| 2019-06-13 | CD33711 | 175.0 ppb |
| 2019-06-13 | CD33712 | 40.0 ppb |
| 2019-06-13 | CD33713 | ND |
| 2019-06-13 | CD33714 | ND |
| 2019-06-13 | CD33715 | 22.0 ppb |
| 2019-06-13 | CD33716 | 14.0 ppb |
| 2019-06-13 | CD33717 | 21.0 ppb |
| 2019-06-26 | CD42346 | 5.00 ppb |
| 2019-06-26 | CD42347 | 157.0 ppb |
| 2019-06-26 | CD42348 | 73.0 ppb |
| 2019-06-26 | CD42349 | 2.00 ppb |
| 2019-06-26 | CD42350 | 3.00 ppb |
| 2019-06-26 | CD42351 | 3.00 ppb |
| 2019-06-26 | CD42352 | 34.0 ppb |
| 2019-07-11 | CD54682 | 10.00 ppb |
| 2019-07-11 | CD54683 | 171.0 ppb |
| 2019-07-11 | CD54684 | 33.0 ppb |
| 2019-07-11 | CD54685 | 220.0 ppb |
| 2019-07-11 | CD54686 | 2.00 ppb |
| 2019-07-11 | CD54687 | 7.00 ppb |
| 2019-07-11 | CD54688 | 37.0 ppb |
| 2019-07-24 | CD63751 | 47.0 ppb |
| 2019-07-24 | CD63743 | 43.0 ppb |
| 2019-07-24 | CD63744 | 148.0 ppb |
| 2019-07-24 | CD63745 | 8.00 ppb |
| 2019-07-24 | CD63746 | 2.00 ppb |
| 2019-07-24 | CD63747 | 1.000 ppb |
| 2019-07-24 | CD63748 | 7.00 ppb |
| 2019-07-24 | CD63749 | 2.00 ppb |
| 2019-08-07 | CD79747 | 38.0 ppb |
| 2019-08-07 | CD79748 | 227.0 ppb |
| 2019-08-07 | CD79749 | 6.00 ppb |
| 2019-08-07 | CD79750 | 4.00 ppb |
| 2019-08-07 | CD79751 | 1.000 ppb |
| 2019-08-07 | CD79752 | 7.00 ppb |
| 2019-08-07 | CD79753 | 1.000 ppb |
| 2019-08-07 | CD79754 | 71.0 ppb |
| 2019-08-27 | CD92884 | 144.0 ppb |
| 2019-08-27 | CD92885 | 282.0 ppb |
| 2019-08-27 | CD92886 | 2.00 ppb |
| 2019-08-27 | CD92887 | 208.0 ppb |
| 2019-08-27 | CD92888 | 15.0 ppb |
| 2019-08-27 | CD92889 | 4.00 ppb |
| 2019-08-27 | CD92890 | 50.0 ppb |
| 2019-08-28 | CD93750 | 17.0 ppb |
| 2019-08-28 | CD93751 | 188.0 ppb |
| 2019-09-11 | CE06376 | 106.0 ppb |
| 2019-09-11 | CE06377 | 320.0 ppb |
| 2019-09-11 | CE06378 | 2.00 ppb |
| 2019-09-11 | CE06379 | 184.0 ppb |
| 2019-09-11 | CE06380 | 2.00 ppb |
| 2019-09-11 | CE06381 | 7.00 ppb |
| 2019-09-11 | CE06382 | 25.0 ppb |
| 2019-09-11 | CE06384 | 64.0 ppb |
| 2021-07-28 | 141338-1 | 180.0 ppb |
| 2022-05-17 | CL31858 | ND |
| 2022-05-17 | CL31861 | ND |
| 2022-05-17 | CL31862 | 1.000 ppb |
| 2022-05-17 | CL31863 | 5.00 ppb |
| 2022-05-17 | CL31864 | 21.0 ppb |
| 2022-05-17 | CL31865 | 26.0 ppb |
| 2022-05-17 | CL31866 | 589.0 ppb |
| 2022-05-17 | CL31867 | 51.0 ppb |
| 2022-05-17 | CL31868 | 7.00 ppb |
| 2022-05-17 | CL31869 | ND |
| 2023-01-11 | CN21667 | ND |
| 2023-01-25 | CN29875 | ND |
| 2023-02-15 | CN43193 | ND |
| 2023-02-22 | CN47437 | ND |
| 2023-03-15 | CN59985 | ND |
| 2023-03-30 | CN71599 | 1.000 ppb |
| 2023-04-12 | CN81688 | ND |
| 2023-04-26 | CN91540 | ND |
| 2023-05-10 | CO02099 | ND |
| 2023-05-24 | CO12948 | ND |
| 2023-06-13 | CO26173 | ND |
| 2023-06-20 | CO32206 | ND |
| 2023-07-20 | CO55098 | ND |
| 2023-07-31 | CO62240 | ND |
| 2023-08-09 | CO70022 | ND |
| 2023-08-29 | CO85425 | ND |
| 2023-09-12 | 162967P | ND |
| 2023-09-12 | 162968P | ND |
| 2023-09-12 | 162974P | ND |
| 2023-09-12 | 162975P | ND |
| 2023-09-12 | 162976P | ND |
| 2023-09-12 | 162977P | ND |
| 2023-09-12 | 162978R | ND |
| 2023-09-12 | 162979P | ND |
| 2023-09-12 | 162980P | ND |
| 2023-09-27 | 163520 | ND |
| 2023-09-27 | 163522 | ND |
| 2023-09-27 | 163524 | ND |
| 2023-09-27 | 163526 | ND |
| 2023-09-27 | 163528 | ND |
| 2023-09-27 | 163530 | ND |
| 2023-09-27 | 163532 | ND |
| 2023-09-27 | 163534 | ND |
| 2023-09-27 | 163536 | ND |
| 2023-09-27 | 163538 | ND |
| 2023-09-27 | 163539 | ND |
| 2023-10-11 | 164076 | ND |
| 2023-10-11 | 164078 | ND |
| 2023-10-11 | 164080 | ND |
| 2023-10-11 | 164082 | ND |
| 2023-10-11 | 164084 | ND |
| 2023-10-11 | 164086 | ND |
| 2023-10-11 | 164088 | ND |
| 2023-10-11 | 164090 | ND |
| 2023-10-11 | 164092 | ND |
| 2023-10-11 | 164094 | ND |
| 2023-10-11 | 164095 | ND |
| 2023-10-25 | 164507 | ND |
| 2023-10-25 | 164509 | ND |
| 2023-10-25 | 164511 | ND |
| 2023-10-25 | 164513 | ND |
| 2023-10-25 | 164515 | ND |
| 2023-10-25 | 164517 | ND |
| 2023-10-25 | 164519 | ND |
| 2023-10-25 | 164521 | ND |
| 2023-10-25 | 164523 | ND |
| 2023-10-25 | 164524 | ND |
| 2023-11-15 | 165296 | ND |
| 2023-11-15 | 165298 | ND |
| 2023-11-15 | 165300 | ND |
| 2023-11-15 | 165302 | ND |
| 2023-11-15 | 165304 | ND |
| 2023-11-15 | 165306 | ND |
| 2023-11-15 | 165308 | ND |
| 2023-11-15 | 165310 | ND |
| 2023-11-15 | 165312 | ND |
| 2023-11-15 | 165314 | ND |
| 2023-11-15 | 165315 | ND |
| 2023-11-29 | 165735 | ND |
| 2023-11-29 | 165737 | ND |
| 2023-11-29 | 165739 | ND |
| 2023-11-29 | 165741 | ND |
| 2023-11-29 | 165743 | ND |
| 2023-11-29 | 165745 | ND |
| 2023-11-29 | 165747 | ND |
| 2023-11-29 | 165749 | ND |
| 2023-11-29 | 165751 | ND |
| 2023-11-29 | 165759 | ND |
| 2023-12-07 | 166133 | ND |
| 2023-12-07 | 166135 | ND |
| 2023-12-07 | 166137 | ND |
| 2023-12-07 | 166139 | ND |
| 2023-12-07 | 166141 | ND |
| 2023-12-07 | 166143 | ND |
| 2023-12-07 | 166145 | ND |
| 2023-12-07 | 166147 | ND |
| 2023-12-07 | 166149 | ND |
| 2023-12-11 | 166196 | ND |
| 2023-12-27 | 166776 | ND |
| 2023-12-27 | 166778 | ND |
| 2023-12-27 | 166780 | ND |
| 2023-12-27 | 166782 | ND |
| 2023-12-27 | 166784 | ND |
| 2023-12-27 | 166786 | ND |
| 2023-12-27 | 166788 | ND |
| 2023-12-27 | 166790 | ND |
| 2023-12-27 | 166792 | ND |
| 2023-12-27 | 166793 | ND |