Asbestos
Gretna Waterworks
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.
11
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 | 1 | 0 | ND |
| 2021 | ND | 2 | 0 | ND |
| 2022 | ND | 2 | 0 | ND |
| 2023 | ND | 2 | 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 |
|---|---|---|
| 2019-02-05 | 35446402001 | ND |
| 2019-02-05 | 35446402002 | ND |
| 2019-02-05 | 35446402001 | ND |
| 2019-02-05 | 35446402002 | ND |
| 2020-03-18 | 35538636001 | ND |
| 2021-03-01 | 35615745001 | ND |
| 2021-03-01 | 35615745002 | ND |
| 2022-01-13 | 35690932001 | ND |
| 2022-01-13 | 35690932002 | ND |
| 2023-02-01 | 35782259001 | ND |
| 2023-02-01 | 35782259002 | ND |