Know Your Environment. Protect Your Health.

Silver

City of Chico

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.

 

6

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019N/A00N/A
2020ND20ND
2021ND10ND
2022N/A00N/A
2023ND20ND

ppb = parts per billion

All test results

Date Lab ID Result
2018-12-13AE49011ND
2020-08-19Q2033209007ND
2020-08-19Q2033209008ND
2021-08-11Q2121372013ND
2023-05-30Q2319948018ND
2023-05-30Q2319948019ND