Aluminum
Heather Glen Community Service District
Aluminum is a metal released from metal refineries and mining operations. Too much aluminum exposure can impair children's brain development.
18
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 | N/A | 0 | 0 | N/A |
| 2019 | 169.0 ppb | 3 | 3 | 65.1 ppb - 270.0 ppb |
| 2020 | 109.7 ppb | 5 | 5 | 33.7 ppb - 170.0 ppb |
| 2021 | 91.7 ppb | 5 | 3 | ND - 192.3 ppb |
| 2022 | 840.0 ppb | 2 | 2 | 280.0 ppb - 1,400.0 ppb |
| 2023 | 251.0 ppb | 3 | 3 | 71.0 ppb - 529.0 ppb |
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 | Lab ID | Result |
|---|---|---|
| 2019-09-17 | CA3100038_001_001-201909170730 | 270.0 ppb |
| 2019-11-12 | CA3100038_002_002-201911120820 | 172.0 ppb |
| 2019-11-12 | CA3100038_001_001-201911120815 | 65.1 ppb |
| 2020-01-02 | CA3100038_001_001-202001020900 | 75.0 ppb |
| 2020-01-15 | CA3100038_001_001-202001150810 | 164.1 ppb |
| 2020-04-14 | CA3100038_001_001-202004141030 | 33.7 ppb |
| 2020-07-21 | CA3100038_001_001-202007210745 | 170.0 ppb |
| 2020-09-09 | CA3100038_001_001-202009090850 | 105.7 ppb |
| 2021-01-12 | CA3100038_001_001-202101120720 | ND |
| 2021-04-27 | CA3100038_001_001-202104270750 | 167.1 ppb |
| 2021-07-13 | CA3100038_001_001-202107130745 | 192.3 ppb |
| 2021-09-14 | CA3100038_001_001-202109140740 | 99.0 ppb |
| 2021-10-13 | CA3100038_001_001-202110130800 | ND |
| 2022-05-16 | CA3100038_001_001-202205160824 | 280.0 ppb |
| 2022-12-28 | CA3100038_002_002-202212280740 | 1,400.0 ppb |
| 2023-02-21 | CA3100038_002_002-202302210835 | 71.0 ppb |
| 2023-05-16 | CA3100038_001_001-202305160810 | 529.0 ppb |
| 2023-10-19 | CA3100038_001_001-202310190844 | 153.0 ppb |