Know Your Environment. Protect Your Health.

Silver

Harris County Municipal Utility District 189

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.

 

4

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
2019N/A00N/A
2020ND20ND
2021N/A00N/A
2022N/A00N/A
2023ND20ND

ppb = parts per billion

All test results

Date Lab ID Result
2020-06-23AF16499ND
2020-06-23AF16500ND
2023-07-20AG49520ND
2023-10-12AG59710ND