Know Your Environment. Protect Your Health.

Silver

Purcellville, Town of

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.

 

19

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND30ND
2020ND40ND
2021ND30ND
2022ND10ND
2023ND60ND

ppb = parts per billion

All test results

Date Lab ID Result
2018-02-27E180100341ND
2018-05-23E180303856ND
2019-03-21E190302939ND
2019-03-21E190302950ND
2019-05-29E190304845ND
2020-02-25E191203660ND
2020-05-20E200302299ND
2020-05-20E200302297ND
2020-06-16E200302293ND
2021-03-15E210100126ND
2021-05-17E210400644ND
2021-10-28E211003146ND
2022-04-11E220303685ND
2023-04-27E230305391ND
2023-04-27E230305400ND
2023-04-27E230305405ND
2023-04-27E230305417ND
2023-05-01E230305410ND
2023-11-01E230904711ND