Manganese
Cullman Utilities Board
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)
1
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | 3.76 ppb | 1 | 1 | 3.76 ppb |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | 270.0 ppb | 2 | 1 | ND - 540.0 ppb |
| 2021 | ND | 1 | 0 | ND |
| 2022 | 1.95 ppb | 2 | 1 | ND - 3.89 ppb |
| 2023 | 23.8 ppb | 3 | 3 | 5.30 ppb - 57.0 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 |
|---|---|---|
| 2018-05-23 | L996745-1 | 3.76 ppb |
| 2020-09-14 | 20171277001_IIOC | 540.0 ppb |
| 2020-11-05 | L1281892-01 | ND |
| 2021-05-18 | L1354301-01 | ND |
| 2022-03-16 | 35703897001_IIOC | ND |
| 2022-07-26 | DC06125-01 | 3.89 ppb |
| 2023-01-19 | 35773807001_IIOC | 57.0 ppb |
| 2023-01-19 | 35773807002_IIOC | 5.30 ppb |
| 2023-02-20 | DD01535-01 | 9.24 ppb |