Caffeine
Los Angeles County WW District 4 & 34-Lancaster
Caffeine, from coffee and other beverages, is a key indicator of water contamination from wastewater effluent.
11
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 | 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 | ND | 11 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-08-27 | 9590-016-1045 | ND |
| 2018-08-27 | 9590-023-1030 | ND |
| 2018-09-18 | 9590-067-1005 | ND |
| 2018-09-19 | 9590-026-1045 | ND |
| 2018-09-19 | 9590-036-1131 | ND |
| 2018-09-25 | 9590-035-0930 | ND |
| 2018-09-25 | 9590-095-1005 | ND |
| 2018-10-03 | 9590-036-0950 | ND |
| 2018-10-09 | 9590-026-1020 | ND |
| 2018-10-15 | 9590-067-1030 | ND |
| 2018-10-30 | 9590-095-1050 | ND |