Know Your Environment. Protect Your Health.

Silver

South Grayson Special Utility 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.

 

10

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND30ND
2020ND10ND
2021ND10ND
2022ND30ND
2023ND10ND

ppb = parts per billion

All test results

Date Lab ID Result
2018-10-15Q1840862015ND
2019-08-13Q1954236001ND
2019-08-13Q1954236002ND
2019-08-13Q1954236020ND
2020-08-06Q2031194019ND
2021-11-10Q2131631005ND
2022-02-08Q2204251001ND
2022-04-26Q2212466001ND
2022-04-26Q2212466002ND
2023-05-16Q2318439017ND