Know Your Environment. Protect Your Health.

1,4-Dioxane

Springhill Mobile Home Park

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.

 

15

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
2020N/A00N/A
20210.0475 ppb43ND - 0.0870 ppb
20220.0482 ppb96ND - 0.1000 ppb
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
2021-02-0770161830013ND
2021-02-07701618300110.0720 ppb
2021-05-0470172136007X0.0870 ppb
2021-05-0470172136009X0.0310 ppb
2022-03-18L2215052-01ND
2022-03-18L2215052-03ND
2022-03-18L2215046-01ND
2022-06-23702200750010.1000 ppb
2022-06-23702200750020.0530 ppb
2022-09-21702307720010.0830 ppb
2022-09-21702307960010.0540 ppb
2022-12-14702406810020.0490 ppb
2022-12-14702406810010.0950 ppb
2023-03-23CN67199ND
2023-03-23CN67197ND