Caffeine
San Jose Water Company
Caffeine, from coffee and other beverages, is a key indicator of water contamination from wastewater effluent.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
2014 | N/A | 0 | 0 | N/A |
2015 | N/A | 0 | 0 | N/A |
2016 | ND | 3 | 0 | ND |
2017 | N/A | 0 | 0 | N/A |
2018 | N/A | 0 | 0 | N/A |
2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2016-05-04 | 9590-198-1200 | ND |
2016-06-15 | 9590-199-1300 | ND |
2016-07-26 | 9590-197-1230 | ND |