Know Your Environment. Protect Your Health.

Silver

Zachary 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.

 

15

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND80ND
2020N/A00N/A
2021ND10ND
2022ND40ND
2023N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2018-11-26B1805544-001ND
2018-11-26B1805544-001ND
2019-06-18B1902537-001ND
2019-06-18B1902537-002ND
2019-06-18B1902537-003ND
2019-06-18B1902537-004ND
2019-06-18B1902537-001ND
2019-06-18B1902537-002ND
2019-06-18B1902537-003ND
2019-06-18B1902537-004ND
2021-10-20B2105580-001ND
2022-06-06B2202679-001ND
2022-06-06B2202679-002ND
2022-06-06B2202679-003ND
2022-06-06B2202679-004ND