Silver
Lafayette Utilities Water System
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.
84
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 | N/A | 0 | 0 | N/A |
| 2014 | ND | 2 | 0 | ND |
| 2015 | ND | 30 | 0 | ND |
| 2016 | ND | 14 | 0 | ND |
| 2017 | ND | 4 | 0 | ND |
| 2018 | ND | 20 | 0 | ND |
| 2019 | ND | 14 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-11-03 | AD99266 | ND |
| 2014-11-03 | AD99266 | ND |
| 2015-02-23 | 35176705001 | ND |
| 2015-02-23 | 35176705001 | ND |
| 2015-06-08 | 35192506001 | ND |
| 2015-06-08 | 35192506001 | ND |
| 2015-07-27 | 35199527004 | ND |
| 2015-07-27 | 35199527001 | ND |
| 2015-07-27 | 35199527002 | ND |
| 2015-07-27 | 35199527003 | ND |
| 2015-07-27 | 35199527004 | ND |
| 2015-07-27 | 35199527005 | ND |
| 2015-07-27 | 35199527003 | ND |
| 2015-07-27 | 35199527002 | ND |
| 2015-07-27 | 35199527001 | ND |
| 2015-07-27 | 35199527005 | ND |
| 2015-08-17 | 35203222004 | ND |
| 2015-08-17 | 35203222003 | ND |
| 2015-08-17 | 35203222002 | ND |
| 2015-08-17 | 35203222001 | ND |
| 2015-08-17 | 35203222005 | ND |
| 2015-08-17 | 35203222005 | ND |
| 2015-08-17 | 35203222004 | ND |
| 2015-08-17 | 35203222003 | ND |
| 2015-08-17 | 35203222002 | ND |
| 2015-08-17 | 35203222001 | ND |
| 2015-11-30 | 35218949004 | ND |
| 2015-11-30 | 35218949003 | ND |
| 2015-11-30 | 35218949004 | ND |
| 2015-11-30 | 35218949005 | ND |
| 2015-11-30 | 35218949003 | ND |
| 2015-11-30 | 35218949005 | ND |
| 2016-03-14 | 35234164005 | ND |
| 2016-03-14 | 35234164005 | ND |
| 2016-03-21 | 35235879005 | ND |
| 2016-03-21 | 35235879005 | ND |
| 2016-08-08 | 35259258005 | ND |
| 2016-08-08 | 35259258005 | ND |
| 2016-08-15 | 35260131004 | ND |
| 2016-08-15 | 35260131001 | ND |
| 2016-08-15 | 35260131002 | ND |
| 2016-08-15 | 35260131003 | ND |
| 2016-08-15 | 35260131001 | ND |
| 2016-08-15 | 35260131002 | ND |
| 2016-08-15 | 35260131004 | ND |
| 2016-08-15 | 35260131003 | ND |
| 2017-09-25 | AE18498 | ND |
| 2017-09-25 | AE18498 | ND |
| 2017-11-27 | AE20051 | ND |
| 2017-11-27 | AE20051 | ND |
| 2018-03-05 | AE20864 | ND |
| 2018-03-05 | AE20867 | ND |
| 2018-03-05 | AE20867 | ND |
| 2018-03-05 | AE20864 | ND |
| 2018-03-05 | AE20861 | ND |
| 2018-03-05 | AE20855 | ND |
| 2018-03-05 | AE20861 | ND |
| 2018-03-05 | AE20858 | ND |
| 2018-03-05 | AE20855 | ND |
| 2018-03-05 | AE20858 | ND |
| 2018-04-30 | AE21621 | ND |
| 2018-04-30 | AE21621 | ND |
| 2018-05-14 | AE21747 | ND |
| 2018-05-14 | AE21747 | ND |
| 2018-06-18 | AE21918 | ND |
| 2018-06-18 | AE21918 | ND |
| 2018-06-19 | AE21924 | ND |
| 2018-06-19 | AE21921 | ND |
| 2018-06-19 | AE21921 | ND |
| 2018-06-19 | AE21924 | ND |
| 2019-01-14 | B1900254-002 | ND |
| 2019-01-14 | B1900254-001 | ND |
| 2019-01-14 | B1900254-001 | ND |
| 2019-01-14 | B1900254-002 | ND |
| 2019-08-12 | B1903460-001 | ND |
| 2019-08-12 | B1903460-005 | ND |
| 2019-08-12 | B1903460-004 | ND |
| 2019-08-12 | B1903460-003 | ND |
| 2019-08-12 | B1903460-002 | ND |
| 2019-08-12 | B1903460-001 | ND |
| 2019-08-12 | B1903460-005 | ND |
| 2019-08-12 | B1903460-004 | ND |
| 2019-08-12 | B1903460-003 | ND |
| 2019-08-12 | B1903460-002 | ND |