Profenofos
California Water Service - San Mateo
NOTE: California Water Service - San Mateo purchases water from San Francisco Regional Water System which is required to test for profenofos. Sample information shown below was taken by San Francisco Regional Water System.
Profenofos is an organophosphate pesticide used on cotton. Exposure to profenofos can harm the nervous system.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | N/A | 0 | 0 | N/A |
2015 | N/A | 0 | 0 | N/A |
2016 | N/A | 0 | 0 | N/A |
2017 | N/A | 0 | 0 | N/A |
2018 | N/A | 0 | 0 | N/A |
2019 | ND | 2 | 0 | ND |
ppb = parts per billion
All test results
NOTE: California Water Service - San Mateo purchases water from San Francisco Regional Water System which is required to test for profenofos. Sample information shown below was taken by San Francisco Regional Water System.
Date | Lab ID | Result |
---|