Know Your Environment. Protect Your Health.

Silver

Lafayette Utilities 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.

 

56

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND200ND
2019ND140ND
2020ND30ND
2021ND100ND
2022ND60ND
2023ND30ND

ppb = parts per billion

All test results

Date Lab ID Result
2018-03-05AE20867ND
2018-03-05AE20855ND
2018-03-05AE20867ND
2018-03-05AE20864ND
2018-03-05AE20861ND
2018-03-05AE20858ND
2018-03-05AE20855ND
2018-03-05AE20858ND
2018-03-05AE20861ND
2018-03-05AE20864ND
2018-04-30AE21621ND
2018-04-30AE21621ND
2018-05-14AE21747ND
2018-05-14AE21747ND
2018-06-18AE21918ND
2018-06-18AE21918ND
2018-06-19AE21921ND
2018-06-19AE21921ND
2018-06-19AE21924ND
2018-06-19AE21924ND
2019-01-14B1900254-001ND
2019-01-14B1900254-002ND
2019-01-14B1900254-001ND
2019-01-14B1900254-002ND
2019-08-12B1903460-002ND
2019-08-12B1903460-004ND
2019-08-12B1903460-003ND
2019-08-12B1903460-002ND
2019-08-12B1903460-001ND
2019-08-12B1903460-005ND
2019-08-12B1903460-004ND
2019-08-12B1903460-003ND
2019-08-12B1903460-001ND
2019-08-12B1903460-005ND
2020-07-20B2003551-001ND
2020-07-20B2003551-003ND
2020-07-20B2003551-002ND
2021-02-08B2100522-005ND
2021-02-08B2100522-004ND
2021-02-08B2100522-003ND
2021-02-08B2100522-002ND
2021-02-08B2100522-001ND
2021-06-21B2102780-004ND
2021-06-21B2102780-005ND
2021-06-21B2102780-003ND
2021-06-21B2102780-002ND
2021-06-21B2102780-001ND
2022-05-23B2202455-001ND
2022-05-23B2202455-002ND
2022-05-23B2202455-003ND
2022-05-23B2202455-004ND
2022-05-23B2202455-005ND
2022-05-23B2202455-006ND
2023-05-22B2302104-001ND
2023-05-22B2302104-002ND
2023-05-22B2302104-003ND