Know Your Environment. Protect Your Health.

1,4-Dioxane

Briarcliff Manor Village

1,4-Dioxane is a solvent classified by the EPA as a likely human carcinogen. It contaminates groundwater in many states due to industrial wastewater discharges, plastic manufacturing runoff and landfill runoff. Read More.

Animal studies show that 1,4-dioxane can target the liver, kidneys and respiratory system, and that prenatal exposure can harm the developing fetus. The State of California has set a Public Heatlh Goal of no more than 1 part per billion of 1,4-dioxane in drinking water. The state of Massachusetts sets a legal limit of 0.3 ppb, and New Hampshire's limit is 3 parts per billion. There is no national drinking water standard for this contaminant.

Click here to read more about 1,4-dioxane.

 

13

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A
2020ND10ND
2021ND80ND
2022ND20ND
2023ND20ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.35 ppb

The EWG Health Guideline of 0.35 ppb for 1,4-dioxane was defined by the Environmental Protection Agency as a one-in-a-million lifetime risk of cancer. Values greater than one-in-a-million cancer risk level can result in increased cancer cases above one in a million people.

ppb = parts per billion

All test results

Date Lab ID Result
2020-10-19AW20214-PFAS-BRIND
2021-01-11AX00601-PFAS-BRIND
2021-01-11AX00602-PFAS-BRIND
2021-04-19AX07307-PFAS-BRIND
2021-04-19AX07304-PFAS-BRIND
2021-07-21AX14524-PFAS-BRIND
2021-07-21AX14527-PFAS-BRIND
2021-10-19AX21170-PFAS-BRIND
2021-10-19AX21169-PFAS-BRIND
2022-10-24AY19128-PFAS-BRIND
2022-10-24AY19131-PFAS-BRIND
2023-10-24AZ19598-PFAS-BRIND
2023-10-24AZ19597-PFAS-BRIND