Know Your Environment. Protect Your Health.

Silver

Rapides Parish Waterworks District 3

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.

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND20ND
2020ND50ND
2021ND20ND
2022ND10ND
20232.50 ppb41ND - 10.00 ppb

ppb = parts per billion

All test results

Date Lab ID Result
2018-03-2235381823001ND
2018-03-2235381823001ND
2019-04-1735463257001ND
2019-04-1735463257001ND
2020-01-21B2000218-001ND
2020-01-21B2000218-002ND
2020-01-21B2000218-003ND
2020-03-11B2001272-001ND
2020-04-22B2001837-001ND
2021-05-05B2102137-001ND
2021-05-05B2102137-002ND
2022-04-18B2201845-001ND
2023-01-18B2300206-001ND
2023-01-18B2300206-002ND
2023-01-18B2300206-00310.00 ppb
2023-04-03B2301556-001ND