Asbestos
Fort Johnson South 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.
15
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 | 4 | 0 | ND |
| 2020 | ND | 2 | 0 | ND |
| 2021 | ND | 3 | 0 | ND |
| 2022 | ND | 3 | 0 | ND |
| 2023 | ND | 3 | 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 |
|---|---|---|
| 2019-11-14 | 35512574001 | ND |
| 2019-11-14 | 35512574002 | ND |
| 2019-11-14 | 35512574001 | ND |
| 2019-11-14 | 35512574002 | ND |
| 2020-06-02 | 35555072001 | ND |
| 2020-06-02 | 35555072002 | ND |
| 2021-08-24 | 35658427001 | ND |
| 2021-08-24 | 35658427002 | ND |
| 2021-08-24 | 35658427003 | ND |
| 2022-05-04 | 35716177001 | ND |
| 2022-05-04 | 35716177002 | ND |
| 2022-05-04 | 35716177003 | ND |
| 2023-05-08 | 146879 | ND |
| 2023-05-08 | 146880 | ND |
| 2023-05-08 | 146881 | ND |