Aluminum
Ayer DPW Water Division
Aluminum is a metal released from metal refineries and mining operations. Too much aluminum exposure can impair children's brain development.
100
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 | 2.50 ppb | 18 | 7 | ND - 13.0 ppb |
| 2019 | 1.21 ppb | 14 | 3 | ND - 7.00 ppb |
| 2020 | 0.737 ppb | 19 | 2 | ND - 10.00 ppb |
| 2021 | 1.61 ppb | 18 | 3 | ND - 16.0 ppb |
| 2022 | ND | 8 | 0 | ND |
| 2023 | ND | 23 | 0 | ND |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
EWG Health Guideline: 600 ppb
The EWG Health Guideline of 600 ppb for aluminum was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against harm to the brain and nervous system.
ppb = parts per billion
All test results
| Date | Result |
|---|---|
| 2018-03-16 | ND |
| 2018-03-16 | ND |
| 2018-06-13 | ND |
| 2018-06-13 | 13.0 ppb |
| 2018-06-13 | 4.00 ppb |
| 2018-06-13 | 5.00 ppb |
| 2018-06-13 | 5.00 ppb |
| 2018-06-13 | ND |
| 2018-06-13 | ND |
| 2018-08-14 | ND |
| 2018-08-14 | ND |
| 2018-08-14 | ND |
| 2018-08-14 | 4.00 ppb |
| 2018-08-14 | 8.00 ppb |
| 2018-08-14 | 6.00 ppb |
| 2018-08-14 | ND |
| 2018-12-12 | ND |
| 2018-12-12 | ND |
| 2019-03-05 | 5.00 ppb |
| 2019-03-05 | 5.00 ppb |
| 2019-04-23 | ND |
| 2019-04-23 | ND |
| 2019-09-19 | ND |
| 2019-09-19 | ND |
| 2019-09-19 | ND |
| 2019-09-19 | 7.00 ppb |
| 2019-09-19 | ND |
| 2019-09-19 | ND |
| 2019-09-19 | ND |
| 2019-09-19 | ND |
| 2019-12-10 | ND |
| 2019-12-10 | ND |
| 2020-03-16 | ND |
| 2020-03-16 | ND |
| 2020-03-16 | 4.00 ppb |
| 2020-03-16 | ND |
| 2020-03-16 | 10.00 ppb |
| 2020-03-16 | ND |
| 2020-03-16 | ND |
| 2020-05-27 | ND |
| 2020-05-27 | ND |
| 2020-07-07 | ND |
| 2020-07-07 | ND |
| 2020-07-07 | ND |
| 2020-07-07 | ND |
| 2020-07-07 | ND |
| 2020-07-07 | ND |
| 2020-07-07 | ND |
| 2020-07-07 | ND |
| 2020-12-07 | ND |
| 2020-12-07 | ND |
| 2021-01-08 | ND |
| 2021-01-08 | ND |
| 2021-01-11 | ND |
| 2021-06-09 | ND |
| 2021-06-09 | ND |
| 2021-06-09 | ND |
| 2021-08-06 | 16.0 ppb |
| 2021-08-06 | ND |
| 2021-08-06 | ND |
| 2021-08-06 | ND |
| 2021-08-06 | ND |
| 2021-08-06 | ND |
| 2021-08-06 | 8.00 ppb |
| 2021-08-06 | ND |
| 2021-10-19 | ND |
| 2021-10-19 | ND |
| 2021-10-19 | ND |
| 2021-12-02 | 5.00 ppb |
| 2022-01-19 | ND |
| 2022-01-19 | ND |
| 2022-01-19 | ND |
| 2022-04-25 | ND |
| 2022-04-25 | ND |
| 2022-04-25 | ND |
| 2022-04-25 | ND |
| 2022-04-25 | ND |
| 2023-01-17 | ND |
| 2023-01-17 | ND |
| 2023-01-17 | ND |
| 2023-01-17 | ND |
| 2023-05-02 | ND |
| 2023-05-02 | ND |
| 2023-05-02 | ND |
| 2023-05-02 | ND |
| 2023-05-02 | ND |
| 2023-05-02 | ND |
| 2023-07-20 | ND |
| 2023-07-20 | ND |
| 2023-07-20 | ND |
| 2023-07-20 | ND |
| 2023-08-07 | ND |
| 2023-08-07 | ND |
| 2023-08-07 | ND |
| 2023-08-07 | ND |
| 2023-08-07 | ND |
| 2023-10-04 | ND |
| 2023-10-04 | ND |
| 2023-10-04 | ND |
| 2023-10-04 | ND |