Know Your Environment. Protect Your Health.

Silver

Harris County Water Control and Improvement District 114

NOTE: Harris County Water Control and Improvement District 114 purchases water from North Harris County Regional Water Authority which is required to test for silver. Sample information shown below was taken by North Harris County Regional Water Authority.

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.

 

0

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
2020ND20ND
2021N/A00N/A
2022ND10ND
2023ND20ND

ppb = parts per billion

All test results

NOTE: Harris County Water Control and Improvement District 114 purchases water from North Harris County Regional Water Authority which is required to test for silver. Sample information shown below was taken by North Harris County Regional Water Authority.

Date Lab ID Result