Caffeine
Castaic Lake Water Agency
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 |
---|---|---|---|---|
2014 | N/A | 0 | 0 | N/A |
2015 | ND | 4 | 0 | ND |
2016 | ND | 3 | 0 | ND |
2017 | 0.0150 ppb | 4 | 1 | ND - 0.0600 ppb |
2018 | ND | 4 | 0 | ND |
2019 | ND | 3 | 0 | ND |
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2015-07-23 | 9590-005-0840 | ND |
2015-07-23 | 9590-004-0750 | ND |
2015-07-23 | 9590-006-0940 | ND |
2015-08-31 | 9590-006-1100 | ND |
2016-07-20 | 9590-004-1035 | ND |
2016-07-20 | 9590-006-1215 | ND |
2016-07-20 | 9590-005-1115 | ND |
2017-07-26 | 9590-004-1140 | 0.0600 ppb |
2017-07-26 | 9590-006-1405 | ND |
2017-07-26 | 9590-005-1300 | ND |
2017-11-15 | 9590-005-1115 | ND |
2018-07-25 | 9590-005-1310 | ND |
2018-07-25 | 9590-004-1230 | ND |
2018-07-25 | 9590-006-1350 | ND |
2018-10-11 | 9590-004-1010 | ND |
2019-07-31 | 9590-005-1040 | ND |
2019-07-31 | 9590-004-1000 | ND |
2019-08-22 | 9590-006-1045 | ND |