Know Your Environment. Protect Your Health.

Silver

City of Hallettsville

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.

 

6

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019N/A00N/A
2020ND20ND
2021ND10ND
2022N/A00N/A
2023ND20ND

ppb = parts per billion

All test results

Date Lab ID Result
2018-09-19AE40634ND
2020-05-19AF11736ND
2020-05-19AF11737ND
2021-06-10AF57362ND
2023-03-06AG31595ND
2023-03-06AG31596ND