Manganese
City Of Modesto - Del Rio
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.
9
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 | ND | 3 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | ND | 2 | 0 | ND |
| 2021 | ND | 3 | 0 | ND |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | ND | 1 | 0 | ND |
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 |
|---|---|---|
| 2018-05-02 | CA5010029_004_004-201805020835 | ND |
| 2018-05-14 | CA5010029_010_010-201805140830 | ND |
| 2018-08-01 | CA5010029_002_002-201808011242 | ND |
| 2020-05-06 | CA5010029_001_001-202005061150 | ND |
| 2020-05-13 | CA5010029_010_010-202005131047 | ND |
| 2021-05-04 | CA5010029_010_010-202105040910 | ND |
| 2021-05-05 | CA5010029_002_002-202105050950 | ND |
| 2021-05-05 | CA5010029_004_004-202105051055 | ND |
| 2023-05-03 | CA5010029_001_001-202305030820 | ND |