Asbestos
City of San Jose - EVG/EDV/COY
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.
14
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 |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | ND | 6 | 0 | ND |
| 2015 | ND | 3 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | ND | 5 | 0 | ND |
| 2018 | N/A | 0 | 0 | N/A |
| 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 |
|---|---|---|
| 2014-02-18 | 0004-012-0902 | ND |
| 2014-03-27 | 1866-001-1130 | ND |
| 2014-03-27 | 1866-002-1000 | ND |
| 2014-03-27 | 1866-003-0810 | ND |
| 2014-03-27 | 1866-004-0900 | ND |
| 2014-08-05 | 1866-007-0920 | ND |
| 2015-03-03 | 1866-005-1045 | ND |
| 2015-03-03 | 1866-006-1015 | ND |
| 2015-03-03 | 1866-007-0945 | ND |
| 2017-01-17 | 1866-001-1036 | ND |
| 2017-01-17 | 1866-002-0835 | ND |
| 2017-01-17 | 1866-004-0925 | ND |
| 2017-01-31 | 1866-003-0819 | ND |
| 2017-09-26 | 1866-013-1030 | ND |