Know Your Environment. Protect Your Health.

Silver

Port Sulphur Water District

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.

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND40ND
2020ND20ND
20216.75 ppb42ND - 14.0 ppb
2022ND30ND
2023ND10ND

ppb = parts per billion

All test results

Date Lab ID Result
2018-01-3035371297001ND
2018-01-3035371297001ND
2019-02-0535446733001ND
2019-02-0535446733001ND
2019-05-3035472024001ND
2019-05-3035472024001ND
2020-03-10B2001266-001ND
2020-03-18B2001333-001ND
2021-03-01B2100978-00114.0 ppb
2021-03-01B2100979-00113.0 ppb
2021-09-13B2104483-001ND
2021-10-26B2105733-001ND
2022-01-13B2200183-001ND
2022-09-28B2204782-001ND
2022-12-1935767946001ND
2023-02-01B2300469-001ND