Know Your Environment. Protect Your Health.

Silver

Franklin County Rural Water District 4

NOTE: Franklin County Rural Water District 4 purchases water from City of Ottawa which is required to test for silver. Sample information shown below was taken by City of Ottawa.

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.

 

7

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

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

ppb = parts per billion

All test results

NOTE: Franklin County Rural Water District 4 purchases water from City of Ottawa which is required to test for silver. Sample information shown below was taken by City of Ottawa.

Date Lab ID Result
2018-05-16971158ND
2019-05-081157458ND
2020-05-051370054ND
2021-05-111837917ND
2021-08-111913287ND
2022-05-042249081ND
2023-05-162501589ND