Know Your Environment. Protect Your Health.

Chlordane

City of Denham Springs Water System

The cancer-causing pesticide chlordane was banned in 1988. Chlordane is persistent and accumulates in the body. It is still found in the environment and in the bodies of adults and newborn babies.

 

12

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
2020ND70ND
2021N/A00N/A
2022N/A00N/A
2023ND50ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.03 ppb

The EWG Health Guideline of 0.03 ppb for chlordane was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against cancer.

EPA Maximum Contaminant
Level (MCL): 2 ppb

The legal limit for chlordane, established in 1991, was based on analytical detection limits at the time that the standard was set. This limit may not fully protect against the risk of cancer due to chlordane exposure.

ppb = parts per billion

All test results

Date Lab ID Result
2020-07-0635562060001ND
2020-07-0635562060002ND
2020-07-0635562060003ND
2020-07-0735562059001ND
2020-07-0735562059002ND
2020-07-0735562059003ND
2020-11-3035595785001ND
2023-07-3135817938001ND
2023-07-3135817938002ND
2023-07-3135817938003ND
2023-07-3135817938004ND
2023-07-3135817938005ND