Know Your Environment. Protect Your Health.

Silver

City of Zavalla

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.

 

8

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND20ND
2020ND10ND
2021ND10ND
2022ND20ND
2023ND10ND

ppb = parts per billion

All test results

Date Lab ID Result
2018-02-12Q1805619006ND
2019-02-11Q1906018007ND
2019-02-11Q1906018008ND
2020-01-22Q2002509008ND
2021-01-12Q2100808008ND
2022-01-05Q2200291002ND
2022-01-05Q2200291004ND
2023-01-09Q2300803009ND