Know Your Environment. Protect Your Health.

Silver

Ward II 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.

 

52

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND260ND
2019ND40ND
2020ND20ND
20211.29 ppb141ND - 18.0 ppb
2022ND10ND
2023ND50ND

ppb = parts per billion

All test results

Date Lab ID Result
2018-05-02AE21727ND
2018-05-02AE21703ND
2018-05-02AE21727ND
2018-05-02AE21703ND
2018-06-06AE21818ND
2018-06-06AE21815ND
2018-06-06AE21812ND
2018-06-06AE21809ND
2018-06-06AE21812ND
2018-06-06AE21815ND
2018-06-06AE21818ND
2018-06-06AE21821ND
2018-06-06AE21809ND
2018-06-06AE21821ND
2018-06-25AE21992ND
2018-06-25AE22000ND
2018-06-25AE21996ND
2018-06-25AE21992ND
2018-06-25AE21988ND
2018-06-25AE21984ND
2018-06-25AE21984ND
2018-06-25AE22000ND
2018-06-25AE21996ND
2018-06-25AE21988ND
2018-09-10B1804157-001ND
2018-09-10B1804157-001ND
2019-07-24B1903193-001ND
2019-07-2435485209001ND
2019-07-2435485209001ND
2019-07-24B1903193-001ND
2020-06-23B2003030-001ND
2020-06-23B2003030-002ND
2021-03-29B2101469-003ND
2021-03-29B2101469-002ND
2021-03-29B2101469-001ND
2021-06-14B2102705-002ND
2021-06-14B2102705-005ND
2021-06-14B2102705-00418.0 ppb
2021-06-14B2102705-003ND
2021-06-14B2102705-001ND
2021-06-28B2103005-006ND
2021-06-28B2103005-005ND
2021-06-28B2103005-004ND
2021-06-28B2103003-003ND
2021-06-28B2103003-002ND
2021-06-28B2103003-001ND
2022-08-22B2203975-001ND
2023-05-08B2301971-001ND
2023-05-08B2301971-002ND
2023-05-08B2301971-003ND
2023-05-08B2301971-004ND
2023-05-08B2301971-005ND