Know Your Environment. Protect Your Health.

Silver

Pontchatoula Water System

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.

 

11

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND60ND
2019N/A00N/A
2020N/A00N/A
202116.0 ppb52ND - 55.0 ppb
2022N/A00N/A
2023N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2018-02-27AE20755ND
2018-02-27AE20764ND
2018-02-27AE20767ND
2018-02-27AE20755ND
2018-02-27AE20764ND
2018-02-27AE20767ND
2021-02-08B2100562-001ND
2021-02-08B2100562-00225.0 ppb
2021-02-08B2100562-003ND
2021-03-10B2101085-001ND
2021-03-10B2101087-00155.0 ppb