Estrone
Contra Costa Water District
8
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 | ND | 8 | 0 | ND |
| 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 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2013-03-12 | 201303130365SS | ND |
| 2013-03-20 | 201303210135SS | ND |
| 2013-06-11 | 201306120211SS | ND |
| 2013-06-12 | 201306130200SS | ND |
| 2013-09-10 | 201309110439SS | ND |
| 2013-09-11 | 201309120475SS | ND |
| 2013-12-10 | 201312120835SS | ND |
| 2013-12-11 | 201312120837SS | ND |