Silver
Terra Bella Irrigation District - Tbt
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.
22
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 | 2 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | ND | 9 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 8 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-05-07 | 5810-027-0930 | ND |
| 2014-05-19 | 5810-028-1150 | ND |
| 2016-08-25 | 5810-004-1220 | ND |
| 2016-08-25 | 5810-009-1155 | ND |
| 2016-08-25 | 5810-013-1210 | ND |
| 2016-08-25 | 5810-014-1230 | ND |
| 2016-08-25 | 5810-016-1130 | ND |
| 2016-08-25 | 5810-002-1145 | ND |
| 2016-08-25 | 5810-020-1138 | ND |
| 2016-08-25 | 5810-025-1300 | ND |
| 2016-11-14 | 5810-024-1326 | ND |
| 2017-09-07 | 5810-024-1120 | ND |
| 2018-09-24 | 5810-033-1510 | ND |
| 2018-09-24 | 5810-027-1445 | ND |
| 2019-08-29 | 5810-016-1216 | ND |
| 2019-08-29 | 5810-025-1300 | ND |
| 2019-08-29 | 5810-020-1222 | ND |
| 2019-08-29 | 5810-014-1125 | ND |
| 2019-08-29 | 5810-013-1108 | ND |
| 2019-08-29 | 5810-009-1228 | ND |
| 2019-08-29 | 5810-004-1114 | ND |
| 2019-08-29 | 5810-002-1226 | ND |