Know Your Environment. Protect Your Health.

Silver

City of Hammond 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
2018ND80ND
2019ND20ND
2020N/A00N/A
2021ND40ND
202213.0 ppb1113.0 ppb
2023N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2018-02-19AE20678ND
2018-02-19AE20681ND
2018-02-19AE20684ND
2018-02-19AE20687ND
2018-02-19AE20678ND
2018-02-19AE20681ND
2018-02-19AE20684ND
2018-02-19AE20687ND
2019-07-23B1903189-001ND
2019-07-23B1903189-001ND
2021-01-19B2100164-001ND
2021-01-19B2100164-002ND
2021-01-19B2100164-003ND
2021-01-19B2100164-004ND
2022-02-14B2200631-00113.0 ppb