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EWG's Tap Water Database — 2019 UPDATE

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o-Dichlorobenzene

City of Sugar Land

o-Dichlorobenzene is used as a chemical intermediate for making agricultural herbicides. It is toxic to the liver, kidneys and the nervous system, and causes cancer in animal studies.

 

26

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND10ND
2013ND10ND
2014ND30ND
2015ND70ND
2016ND80ND
2017ND60ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 600 ppb

The EWG Health Guideline of 600 ppb for o-dichlorobenzene 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 harm to internal organs.

EPA Maximum Contaminant
Level (MCL) 600 ppb

The legal limit for o-dichlorobenzene, established in 1991, was based on a toxicity study in laboratory animals conducted in the 1970s.

ppb = parts per billion

All test results

Date Lab ID Result
2012-08-23AB99562ND
2013-12-03AC36506ND
2014-02-11AC42218ND
2014-04-29AC52055ND
2014-07-23AC60702ND
2015-01-22AC77367ND
2015-04-01AC86976ND
2015-04-01AC86982ND
2015-04-01AC86978ND
2015-04-01AC86980ND
2015-04-01AC86974ND
2015-04-01AC86970ND
2016-02-02AD21460ND
2016-02-02AD21456ND
2016-02-02AD21458ND
2016-02-02AD21464ND
2016-02-02AD21462ND
2016-02-02AD21466ND
2016-09-01AD47688ND
2016-10-05AD52573ND
2017-01-04AD62987ND
2017-03-22AD76321ND
2017-03-22AD76341ND
2017-03-22AD76323ND
2017-03-22AD76345ND
2017-04-03AD78053ND