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National Drinking Water Database


1,4-Dioxane in Massachusetts


1,4-Dioxane is a stabilizing chemical in industrial solvents and an emerging groundwater pollutant from solvent recycling and plastic manufacturing; it is a probable human carcinogen. [read more]

The Most Polluted Communities in Massachusetts

1 water utilities reported detecting 1,4-Dioxane in tap water since 2004, according to EWG's analysis of water quality data supplied by state water agencies

Ranked by highest average 1,4-Dioxane level

RankSystem Population Served Positive test results of total reported tests Average Level
(Range)
1Burlington Water Dept
Burlington, MA
23,30112 of 120.98 ppb
(0.14 to 1.47 ppb)

Health Based Limits for 1,4-Dioxane

StandardDescriptionLevel
One in one million (10-6) Cancer RiskThe concentration of a chemical in drinking water corresponding to an excess estimated lifetime cancer risk of 1 in 1,000,000. Source: U.S. Environmental Protection Agency.3 ppb
One in ten thousand (10-4) Cancer RiskThe concentration of a chemical in drinking water corresponding to an excess estimated lifetime cancer risk of 1 in 10,000. Source: U.S. Environmental Protection Agency.300 ppb
Children's health-based limit for 10-day exposureConcentration of a chemical in drinking water that is not expected to cause any adverse, noncarcinogenic effects for up to ten days of exposure. The Ten-Day health-based limit (or Health Advisory, HA) is typically set to protect a 10-kg child consuming 1 liter of water per day. Source: U.S. Environmental Protection Agency.400 ppb
Children's health-based limit for 1-day exposureConcentration of a chemical in drinking water that is not expected to cause any adverse, noncarcinogenic health effects for up to one day of exposure. The One-Day health-based limit (or Health Advisory, HA) is typically set to protect a 10-kg child consuming 1 liter of water per day. Source: U.S. Environmental Protection Agency.4000 ppb

Violation Summary for 1,4-Dioxane in Massachusetts

There are no violations reported for this contaminant in Massachusetts