Aluminum
Heritage Ranch Community Services District
Aluminum is a metal released from metal refineries and mining operations. Too much aluminum exposure can impair children's brain development.
22
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 | 4 | 0 | ND |
| 2019 | 57.5 ppb | 4 | 2 | ND - 170.0 ppb |
| 2020 | 93.3 ppb | 3 | 2 | ND - 230.0 ppb |
| 2021 | 106.7 ppb | 3 | 3 | 50.0 ppb - 170.0 ppb |
| 2022 | 35.0 ppb | 4 | 2 | ND - 80.0 ppb |
| 2023 | 30.0 ppb | 4 | 2 | ND - 60.0 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 |
|---|---|---|
| 2018-05-10 | CA4010012_001_001-201805101300 | ND |
| 2018-05-10 | CA4010012_002_002-201805101306 | ND |
| 2018-11-01 | CA4010012_001_001-201811011307 | ND |
| 2018-11-01 | CA4010012_002_002-201811011318 | ND |
| 2019-05-09 | CA4010012_001_001-201905091217 | 60.0 ppb |
| 2019-05-09 | CA4010012_002_002-201905091240 | ND |
| 2019-11-04 | CA4010012_001_001-201911041310 | 170.0 ppb |
| 2019-11-04 | CA4010012_002_002-201911041315 | ND |
| 2020-05-07 | CA4010012_001_001-202005071035 | ND |
| 2020-05-07 | CA4010012_002_002-202005071053 | 50.0 ppb |
| 2020-11-19 | CA4010012_001_001-202011191330 | 230.0 ppb |
| 2021-06-10 | CA4010012_001_001-202106101322 | 100.0 ppb |
| 2021-11-18 | CA4010012_001_001-202111181020 | 170.0 ppb |
| 2021-11-18 | CA4010012_002_002-202111181030 | 50.0 ppb |
| 2022-05-12 | CA4010012_002_002-202205120953 | 60.0 ppb |
| 2022-05-12 | CA4010012_001_001-202205120944 | 80.0 ppb |
| 2022-11-03 | CA4010012_001_001-202211031053 | ND |
| 2022-11-03 | CA4010012_002_002-202211031059 | ND |
| 2023-05-18 | CA4010012_001_001-202305180931 | 60.0 ppb |
| 2023-05-18 | CA4010012_002_002-202305180948 | ND |
| 2023-11-09 | CA4010012_002_002-202311091028 | ND |
| 2023-11-09 | CA4010012_001_001-202311091019 | 60.0 ppb |