Silver
Monterey Rural Water System Inc.
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.
20
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 | 12 | 0 | ND |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 2 | 0 | ND |
| 2019 | 3.33 ppb | 6 | 2 | ND - 10.00 ppb |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2016-03-16 | 35235028005 | ND |
| 2016-03-16 | 35235028004 | ND |
| 2016-03-16 | 35235028003 | ND |
| 2016-03-16 | 35235028004 | ND |
| 2016-03-16 | 35235028005 | ND |
| 2016-03-16 | 35235028003 | ND |
| 2016-12-08 | 35282709001 | ND |
| 2016-12-08 | 35282709002 | ND |
| 2016-12-08 | 35282709003 | ND |
| 2016-12-08 | 35282709003 | ND |
| 2016-12-08 | 35282709002 | ND |
| 2016-12-08 | 35282709001 | ND |
| 2018-08-01 | 35408216001 | ND |
| 2018-08-01 | 35408216001 | ND |
| 2019-12-11 | B1905540-001 | ND |
| 2019-12-11 | B1905540-002 | 10.00 ppb |
| 2019-12-11 | B1905540-001 | ND |
| 2019-12-11 | B1905540-002 | 10.00 ppb |
| 2019-12-19 | B1905734-001 | ND |
| 2019-12-19 | B1905734-001 | ND |