Menu

EWG's Tap Water Database

Donate

Ethylene dibromide

Clarksville Waterworks

Ethylene dibromide, a likely human carcinogen, was used until 1984 as a gasoline additive and a pesticide. It affects the hormone, reproductive and nervous systems; causes testicular atrophy; and damages the heart, liver and kidneys.

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2010ND10ND
2011ND10ND
2012ND30ND
2013ND50ND
2014ND20ND
2015ND20ND

ppb = parts per billion.

State and national drinking water standards and health guidelines

Health Guideline 0.01 ppb

The health guideline of 0.01 ppb for ethylene dibromide was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against cancer.

ppb = parts per billion.

EPA Maximum Contaminant
Level (MCL) 0.05 ppb

The enforceable federal standard that defines the highest level of a contaminant allowed in drinking water.

ppb = parts per billion.

EPA Maximum Contaminant
Level Goal (MCLG)0 ppb

A non-enforceable federal health guideline. For cancer-causing chemicals, these health goals are typically set to zero.

ppb = parts per billion.

All test results

Date Lab ID Result
2010-01-0410007003501ND
2011-01-0411006001101ND
2012-01-0412006010901ND
2012-07-0312187012003ND
2012-10-0312278016903ND
2013-02-0513038002001ND
2013-04-0113094014201ND
2013-07-0113184010101ND
2013-10-0113277001301ND
2013-11-1813325006301ND
2014-02-2614058002301ND
2014-03-1014072007401ND
2015-08-0515218007103ND
2015-10-2015295005003ND