Silver
Connecticut Water Company - Northern Region-Western 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.
39
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 | 12 | 0 | ND |
| 2015 | ND | 5 | 0 | ND |
| 2016 | ND | 7 | 0 | ND |
| 2017 | ND | 8 | 0 | ND |
| 2018 | ND | 5 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-01-24 | BG03077IOC1 | ND |
| 2014-01-28 | BG04228IOC1 | ND |
| 2014-01-29 | BG04659IOC1 | ND |
| 2014-04-09 | 4561IOC1 | ND |
| 2014-05-07 | 6132IOC1 | ND |
| 2014-05-21 | BG47680IOC1 | ND |
| 2014-06-05 | BG53878IOC1 | ND |
| 2014-06-06 | BG54002IOC1 | ND |
| 2014-06-17 | BG60666IOC1 | ND |
| 2014-06-19 | BG62968IOC1 | ND |
| 2014-11-21 | BH44966IOC1 | ND |
| 2014-11-21 | 141121-0002IOC1 | ND |
| 2015-01-20 | BH64902IOC1 | ND |
| 2015-01-20 | BH64901IOCR | ND |
| 2015-03-06 | BH80296IOC1 | ND |
| 2015-03-19 | BH86047IOC1 | ND |
| 2015-05-26 | BJ21926IOC1 | ND |
| 2016-01-12 | BK51387IOC1 | ND |
| 2016-01-15 | BK53768IOC1 | ND |
| 2016-01-27 | BK58055IOCR | ND |
| 2016-05-24 | BN39642IOC1 | ND |
| 2016-05-25 | BN40000IOC1 | ND |
| 2016-07-01 | BN66356IOC1 | ND |
| 2016-07-22 | BN79282IOC1 | ND |
| 2017-02-08 | BX57436IOC1 | ND |
| 2017-03-08 | BX81787IOCR | ND |
| 2017-04-06 | BY00572IOC1 | ND |
| 2017-05-30 | BY30818IOC1 | ND |
| 2017-06-14 | BY39226IOC1 | ND |
| 2017-06-23 | BY45937IOC1 | ND |
| 2017-07-07 | BY54441IOC1 | ND |
| 2017-09-22 | BZ07174IOC1 | ND |
| 2018-01-23 | BZ78887IOC1 | ND |
| 2018-01-31 | BZ82691IOCR | ND |
| 2018-03-02 | BZ97488IOC1 | ND |
| 2018-07-12 | CA89150 | ND |
| 2018-07-13 | CA89903 | ND |
| 2019-01-10 | IOCR 200518412 | ND |
| 2019-01-15 | IOC1 200518779 | ND |