Caffeine
Glendale Water Department
Caffeine, from coffee and other beverages, is a key indicator of water contamination from wastewater effluent.
26
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 |
|---|---|---|---|---|
| 2014 | ND | 4 | 0 | ND |
| 2015 | ND | 4 | 0 | ND |
| 2016 | ND | 4 | 0 | ND |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 6 | 0 | ND |
| 2019 | ND | 8 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-01-15 | 9590-069-1010 | ND |
| 2014-04-09 | 9590-069-1040 | ND |
| 2014-07-09 | 9590-069-0923 | ND |
| 2014-10-14 | 9590-069-1223 | ND |
| 2015-01-14 | 9590-069-0941 | ND |
| 2015-04-15 | 9590-069-0811 | ND |
| 2015-07-15 | 9590-069-0957 | ND |
| 2015-10-14 | 9590-069-0903 | ND |
| 2016-01-13 | 9590-069-0931 | ND |
| 2016-04-13 | 9590-069-1057 | ND |
| 2016-07-13 | 9590-069-1017 | ND |
| 2016-10-13 | 9590-069-1027 | ND |
| 2018-06-14 | 9590-069-1041 | ND |
| 2018-07-09 | 9590-069-1033 | ND |
| 2018-08-16 | 9590-069-0801 | ND |
| 2018-10-10 | 9590-069-0931 | ND |
| 2018-11-09 | 9590-069-1057 | ND |
| 2018-12-12 | 9590-069-1153 | ND |
| 2019-01-07 | 9590-069-0921 | ND |
| 2019-02-13 | 9590-069-0911 | ND |
| 2019-03-11 | 9590-069-1033 | ND |
| 2019-05-15 | 9590-069-1331 | ND |
| 2019-06-12 | 9590-069-0927 | ND |
| 2019-08-22 | 9590-069-0931 | ND |
| 2019-09-09 | 9590-069-0923 | ND |
| 2019-11-14 | 9590-069-0941 | ND |