Manganese
Coachella Valley Water District: I.d. No. 8
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.
6
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 |
|---|---|---|---|---|
| 2018 | 3.60 ppb | 1 | 1 | 3.60 ppb |
| 2019 | ND | 2 | 0 | ND |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | ND | 1 | 0 | ND |
| 2022 | ND | 2 | 0 | ND |
| 2023 | N/A | 0 | 0 | N/A |
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 |
|---|---|---|
| 2018-07-02 | CA3310048_014_014-201807020931 | 3.60 ppb |
| 2019-05-14 | CA3310048_007_007-201905141030 | ND |
| 2019-05-15 | CA3310048_004_004-201905150800 | ND |
| 2021-12-02 | CA3310048_014_014-202112020740 | ND |
| 2022-01-06 | CA3310048_004_004-202201060940 | ND |
| 2022-02-16 | CA3310048_007_007-202202160735 | ND |