Know Your Environment. Protect Your Health.

1,4-Dioxane

Firgrove Mutual Inc

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.

 

20

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND80ND
2015ND120ND
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A
2020N/A00N/A
2021N/A00N/A
2022N/A00N/A
2023N/A00N/A

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
2014-11-17201411190378AMND
2014-11-17201411190526AMND
2014-11-17201411190437AMND
2014-11-17201411190452AMND
2014-11-17201411190528AMND
2014-11-17201411190454AMND
2014-11-17201411190490AMND
2014-12-12201412160672AMND
2015-02-13201502160119AMND
2015-02-13201502160121AMND
2015-05-18201505210076AMND
2015-05-18201505200262AMND
2015-05-18201505200243AMND
2015-05-18201505200251AMND
2015-05-18201505200274AMND
2015-05-18201505200655AMND
2015-05-18201505200651AMND
2015-05-18201505200365AMND
2015-05-18201505210078AMND
2015-08-21201508250571AMND