Asbestos
Johnson Utilities
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.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | N/A | 0 | 0 | N/A |
2015 | ND | 7 | 0 | ND |
2016 | N/A | 0 | 0 | N/A |
2017 | N/A | 0 | 0 | N/A |
2018 | ND | 1 | 0 | ND |
2019 | N/A | 0 | 0 | N/A |
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 |
---|---|---|
2015-03-04 | 201503040397AA | ND |
2015-03-04 | 201503040397AB | ND |
2015-03-04 | 201503040397AC | ND |
2015-06-17 | 201506170544A | ND |
2015-06-18 | 201506180503AA | ND |
2015-06-18 | 201506180503AB | ND |
2015-10-15 | 201510150154A | ND |
2018-05-21 | 201805220092A | ND |