Asbestos
Jefferson County Rural Water District 15
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.
0
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 |
|---|---|---|---|---|
| 2014 | 2.97 MFL | 16 | 13 | ND - 12.17 MFL |
| 2015 | 0.05 MFL | 15 | 1 | ND - 0.73 MFL |
| 2016 | 0.42 MFL | 8 | 3 | ND - 2.74 MFL |
| 2017 | 0.49 MFL | 4 | 2 | ND - 1.58 MFL |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | 2.24 MFL | 4 | 4 | 0.88 MFL - 3.16 MFL |
MFL = million fibers per liter
State and national drinking water standards and health guidelines
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 |
|---|