Know Your Environment. Protect Your Health.

Silver

Southwood 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.

 

36

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND60ND
2019ND60ND
2020N/A00N/A
2021ND140ND
2022ND100ND
2023N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2018-01-23ND
2018-02-02ND
2018-04-05ND
2018-05-04ND
2018-05-09ND
2018-07-19ND
2019-01-28ND
2019-01-28ND
2019-01-28ND
2019-01-28ND
2019-01-28ND
2019-02-08ND
2021-03-174093774ND
2021-03-174096998ND
2021-03-184465076ND
2021-03-184465041ND
2021-03-184464988ND
2021-03-234098028ND
2021-03-234096992ND
2021-03-254093771ND
2021-03-254093769ND
2021-03-254093773ND
2021-03-254093770ND
2021-03-254093768ND
2021-03-254093772ND
2021-04-144465088ND
2022-01-264263659ND
2022-01-264263658ND
2022-01-264263657ND
2022-01-274253226ND
2022-02-044268894ND
2022-02-104268896ND
2022-11-034375238ND
2022-11-034375239ND
2022-11-284395604ND
2022-12-154411922ND