Know Your Environment. Protect Your Health.

Silver

Four Way 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.

 

8

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019ND10ND
2020ND30ND
2021N/A00N/A
2022ND10ND
2023ND30ND

ppb = parts per billion

All test results

Date Lab ID Result
2019-06-04Q1931189015ND
2020-06-17Q2024644006ND
2020-08-11Q2031797014ND
2020-08-11Q2031797015ND
2022-03-07Q2207619003ND
2023-04-24Q2315229007ND
2023-06-05Q2320826027ND
2023-06-05Q2320826028ND