Asbestos
City of Alexandria Water System
Asbestos is a mineral fiber introduced into water by the dissolution of asbestos-containing minerals and from decay of asbestos cement in water mains. Asbestos causes cancer when ingested or inhaled.
37
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 | N/A | 0 | 0 | N/A |
| 2019 | ND | 6 | 0 | ND |
| 2020 | ND | 5 | 0 | ND |
| 2021 | ND | 4 | 0 | ND |
| 2022 | ND | 13 | 0 | ND |
| 2023 | ND | 9 | 0 | ND |
MFL = million fibers per liter
State, National, and Health Guidelines for Drinking Water
EPA Maximum Contaminant
Level (MCL): 7 MFL
The legal limit for asbestos, established in 1991, was based on toxicity studies in laboratory animals conducted in the 1980s.
MFL = million fibers per liter
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2019-07-25 | 35485302001 | ND |
| 2019-07-25 | 35485302001 | ND |
| 2019-09-11 | 35497103002 | ND |
| 2019-09-11 | 35497103001 | ND |
| 2019-09-11 | 35497103002 | ND |
| 2019-09-11 | 35497103001 | ND |
| 2020-03-26 | 35540203001 | ND |
| 2020-03-26 | 35540203002 | ND |
| 2020-06-17 | 35557509001 | ND |
| 2020-06-17 | 35557509002 | ND |
| 2020-11-09 | 35590916001 | ND |
| 2021-01-26 | 35608229001 | ND |
| 2021-05-05 | 35631179001 | ND |
| 2021-08-10 | 35656477002 | ND |
| 2021-08-10 | 35656477001 | ND |
| 2022-01-04 | 35688322001 | ND |
| 2022-01-19 | 35691692001 | ND |
| 2022-02-02 | 35695498003 | ND |
| 2022-02-02 | 35695498001 | ND |
| 2022-02-02 | 35695498002 | ND |
| 2022-02-23 | 35703189001 | ND |
| 2022-03-09 | 35703625001 | ND |
| 2022-03-16 | 35704857001 | ND |
| 2022-03-23 | 35705831001 | ND |
| 2022-07-18 | 35734856002 | ND |
| 2022-07-18 | 35734856001 | ND |
| 2022-09-13 | 35747968001 | ND |
| 2022-11-30 | 35764493001 | ND |
| 2023-02-06 | 35779168001 | ND |
| 2023-05-30 | 147106 | ND |
| 2023-05-30 | 147107 | ND |
| 2023-07-31 | 148695 | ND |
| 2023-07-31 | 148696 | ND |
| 2023-07-31 | 148697 | ND |
| 2023-11-27 | 150119 | ND |
| 2023-11-27 | 150120 | ND |
| 2023-12-19 | 150342 | ND |