Know Your Environment. Protect Your Health.

1,4-Dioxane

Wild Oaks Water Company

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.

 

25

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
2020ND60ND
2021ND120ND
2022ND30ND
2023ND40ND

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
2020-09-15L2038382-03-PFASND
2020-09-15L2038382-04-PFASND
2020-09-15L2038382-02-PFASND
2020-10-20L2045422-02-PFASND
2020-10-20L2045422-03-PFASND
2020-10-20L2045422-04-PFASND
2021-01-07L2100955-04-PFASND
2021-01-07L2100955-02-PFASND
2021-01-07L2100955-03-PFASND
2021-05-04L2123101-03-PFASND
2021-05-04L213101-02-PFASND
2021-05-04L2123101-02-PFASND
2021-07-20L2138912-04-PFASND
2021-07-20L2138912-02-PFASND
2021-07-20L2138912-03-PFASND
2021-12-07L2167924-01-PFASND
2021-12-07L2167924-03-PFASND
2021-12-07L2167924-02-PFASND
2022-02-15L2209131-01-PFASND
2022-02-15L2209131-02-PFASND
2022-02-15L2209131-03-PFASND
2023-01-1223A13505-04-1,4-DIOXND
2023-01-1223A13505-15-1,4-DIOXND
2023-01-1223A13505-05-1,4-DIOXND
2023-01-1223A13505-12-1,4-DIOXND