Know Your Environment. Protect Your Health.

1,4-Dioxane

Bedford Consolidated Water District

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.

 

21

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
2020ND30ND
2021ND120ND
2022ND30ND
2023ND30ND

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
2020-10-06CG91668PFASND
2020-10-06CG91669PFASND
2020-10-06CG91670PFASND
2021-01-19CH48840-PFASND
2021-01-19CH48841-PFASND
2021-01-19CH48839-PFASND
2021-04-1921D0841-1-PFASND
2021-04-2121D0951-PFASND
2021-04-2721D1226-02-PFASND
2021-08-2521H1285-04-PFASND
2021-08-2521H1285-06-PFASND
2021-08-2521H1285-05-PFASND
2021-10-2221J1104-03-PFASND
2021-10-2221J1104-04-PFASND
2021-10-2821J1290-01-PFASND
2022-01-1922A0816-01-PFASND
2022-08-2422H1509-04-PFASND
2022-08-2422H1509-03-PFASND
2023-08-2323H1893-PFASND
2023-08-2323H1893-02-PFASND
2023-08-2323H1893-03-PFASND