Silver
Coachella Water Authority
Silver occurs naturally in surface and groundwater and can be added to water as a biocide that inhibits growth of bacteria and algae. Increasingly, the use of antimicrobial nano-sized silver particles in consumer products contributes to silver in water sources used for drinking water.
12
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 | N/A | 0 | 0 | N/A |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | ND | 6 | 0 | ND |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | ND | 6 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2016-04-26 | 4790-009-0754 | ND |
| 2016-04-26 | 4790-010-0700 | ND |
| 2016-04-26 | 4790-012-0909 | ND |
| 2016-04-27 | 4790-018-0800 | ND |
| 2016-04-27 | 4790-019-0720 | ND |
| 2016-04-27 | 4790-020-0830 | ND |
| 2019-04-22 | 4790-009-1125 | ND |
| 2019-04-22 | 4790-010-1040 | ND |
| 2019-04-22 | 4790-012-1010 | ND |
| 2019-04-22 | 4790-018-1145 | ND |
| 2019-04-22 | 4790-019-1320 | ND |
| 2019-04-22 | 4790-020-1130 | ND |