Caffeine
Cal-water Service Company - Chico
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 | N/A | 0 | 0 | N/A |
2017 | ND | 12 | 0 | ND |
2018 | ND | 1 | 0 | ND |
2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2017-01-05 | 9590-017-1000 | ND |
2017-02-07 | 9590-017-1105 | ND |
2017-02-23 | 9590-054-1215 | ND |
2017-03-07 | 9590-049-1111 | ND |
2017-04-04 | 9590-074-0811 | ND |
2017-04-20 | 9590-038-1115 | ND |
2017-05-04 | 9590-059-0910 | ND |
2017-05-10 | 9590-032-0853 | ND |
2017-05-10 | 9590-041-1113 | ND |
2017-05-15 | 9590-063-0813 | ND |
2017-06-19 | 9590-064-0930 | ND |
2017-12-05 | 9590-007-0805 | ND |
2018-11-07 | 9590-075-1122 | ND |