Know Your Environment. Protect Your Health.

1,4-Dioxane

Hoosick Falls

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.

 

22

Samples

0

Samples exceeding legal limit (MCL)

2

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019N/A00N/A
2020ND10ND
20210.0784 ppb52ND - 0.206 ppb
20220.0752 ppb132ND - 0.527 ppb
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
2020-12-21JH2009852ND
2021-03-16JH2102007ND
2021-09-19JH2108577ND
2021-09-19JH21085760.206 ppb
2021-09-19JH2108575ND
2021-11-10JH21102620.186 ppb
2022-03-07JH2201745-115490.451 ppb
2022-03-07JH2201746-11549ND
2022-03-07JH2201744-11549ND
2022-06-14JH22045689ND
2022-06-14JH2204568ND
2022-06-14JH22045670ND
2022-09-21JH2208300ND
2022-09-21JH2208301ND
2022-09-21JH2208302ND
2022-09-26L2253017-02ND
2022-12-13JH2210618ND
2022-12-13JH2210616ND
2022-12-13JH22106170.527 ppb
2023-10-04JH2308740ND
2023-10-04JH2308741ND
2023-10-04JH2308739ND