Know Your Environment. Protect Your Health.

Silver

Calcasieu Parish WW District No 1

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.

 

19

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
2019ND20ND
2020ND60ND
20215.60 ppb51ND - 28.0 ppb
2022ND20ND
2023ND40ND

ppb = parts per billion

All test results

Date Lab ID Result
2019-07-16B1903028-001ND
2019-07-16B1903028-001ND
2020-02-10B2000676-001ND
2020-02-10B2000676-002ND
2020-02-10B2000676-003ND
2020-02-10B2000676-004ND
2020-11-23B2006215-001ND
2020-11-23B2006215-002ND
2021-05-13B2102368-00228.0 ppb
2021-05-13B2102368-001ND
2021-06-22B2102863-001ND
2021-09-27B2105098-001ND
2021-12-13B2106648-001ND
2022-02-21B2200780-001ND
2022-05-02B2202093-001ND
2023-02-06B2300531-001ND
2023-02-06B2300531-002ND
2023-02-06B2300531-003ND
2023-02-06B2300531-004ND